FATE: x86_64-archlinux-gcc-tsan N-87204-gd8bc198d09

Architecture	x86
Variant	x86_64
CPU	generic
OS	linux
Owner	ubitux2
Compiler	gcc 7.1.1 (GCC) 20170630
Configuration	`--prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm`
Comment	GCC ThreadSanitizer (tsan)
Revision	N-87204-gd8bc198d09
Date	Wed Sep 6 02:05:51 2017
Status	3397 / 3457
Warnings	126
Logs	compile configure test

60 failed tests			Status	Last good rev
diff	stderr	filter-delogo	66	N-121824-g775b102182

No diff output recorded

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, rm, from '/home/fate/fate-suite/real/rv30.rm': Metadata: Target Audiences: 512K DSL/Cable Modem (450 Kbps); Audio Format : Voice Only Video Quality : Normal Motion Video Creation Date : 4/7/2002 14:28:05 Modification Date: 4/7/2002 14:28:05 Generated By : RealProducer Plus 8.5.0.200 Windows Keywords : blowfish-toons.com @ cosmos Abstract : blowfish-toons.com @ cosmos Content Rating : (PICS-1.1 "http://www.classify.org/safesurf" labels comment "RealProducer Plus 8.5.0.200 Windows" ratings (SS~~000 1)) File ID : 36ea296e-573d-3fed-2f91-5db8a25bafc9 title : blowfish-toons.com @ cosmos author : blowfish-toons.com @ cosmos copyright : blowfish-toons.com @ cosmos comment : Duration: 00:22:30.47, start: 0.000000, bitrate: 1 kb/s Stream #0:0: Audio: cook (cook / 0x6B6F6F63), 44100 Hz, mono, fltp, 64 kb/s Stream #0:1: Video: rv30 (RV30 / 0x30335652), yuv420p, 352x240, 385 kb/s, 29.97 fps, 29.97 tbr, 1k tbn, 1k tbc Stream mapping: Stream #0:1 -> #0:0 (rv30 (native) -> rawvideo (native)) [Parsed_perms_0 @ 0x7b28000006e0] random seed: 0xdee65193 [Parsed_delogo_1 @ 0x7b2800000780] Note: default band value was changed from 4 to 1. Output #0, framecrc, to 'pipe:': Metadata: Target Audiences: 512K DSL/Cable Modem (450 Kbps); Audio Format : Voice Only Video Quality : Normal Motion Video Creation Date : 4/7/2002 14:28:05 Modification Date: 4/7/2002 14:28:05 Generated By : RealProducer Plus 8.5.0.200 Windows Keywords : blowfish-toons.com @ cosmos Abstract : blowfish-toons.com @ cosmos Content Rating : (PICS-1.1 "http://www.classify.org/safesurf" labels comment "RealProducer Plus 8.5.0.200 Windows" ratings (SS~~000 1)) File ID : 36ea296e-573d-3fed-2f91-5db8a25bafc9 title : blowfish-toons.com @ cosmos author : blowfish-toons.com @ cosmos copyright : blowfish-toons.com @ cosmos comment : Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x240, q=2-31, 30382 kb/s, 29.97 fps, 29.97 tbn, 29.97 tbc Metadata: encoder : Lavc rawvideo ================== WARNING: ThreadSanitizer: data race (pid=12369) Read of size 8 at 0x7b4c000215e8 by thread T1 (mutexes: write M1475): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:45 (ffmpeg+0x000000a3895a) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3895a) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 1 at 0x7b4c000215ef by thread T2 (mutexes: write M1478): #0 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1232 (ffmpeg+0x000000b64630) #1 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b64630) #2 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 392 at 0x7b4c000215c0 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:45 (ffmpeg+0x000000a3895a) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3895a) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Read of size 8 at 0x7b6c00015eb8 by thread T2 (mutexes: write M1478): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:46 (ffmpeg+0x000000a3897d) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3897d) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b6c00015ebc by thread T1 (mutexes: write M1475): #0 rv34_decode_inter_mb_header src/libavcodec/rv34.c:398 (ffmpeg+0x000000b62eaa) #1 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b62eaa) #2 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b62eaa) #3 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 1568 at 0x7b6c00015e00 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:46 (ffmpeg+0x000000a3897d) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3897d) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Read of size 8 at 0x7b8800027028 by thread T2 (mutexes: write M1478): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b8800027028 by thread T1 (mutexes: write M1475): #0 fill_rectangle src/libavcodec/rectangle.h:61 (ffmpeg+0x000000b67029) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b67029) #2 rv34_decode_mv src/libavcodec/rv34.c:879 (ffmpeg+0x000000b67029) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b67029) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b67029) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b67029) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b8800027000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Read of size 8 at 0x7b8800027100 by thread T2 (mutexes: write M1478): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b8800027104 by thread T1 (mutexes: write M1475): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b67037) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b67037) #2 rv34_decode_mv src/libavcodec/rv34.c:879 (ffmpeg+0x000000b67037) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b67037) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b67037) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b67037) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b8800027000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Read of size 8 at 0x7b8800027170 by thread T2 (mutexes: write M1478): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b8800027170 by thread T1 (mutexes: write M1475): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b6705c) #1 ZERO8x2 src/libavcodec/rv34.c:49 (ffmpeg+0x000000b6705c) #2 rv34_decode_mv src/libavcodec/rv34.c:879 (ffmpeg+0x000000b6705c) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6705c) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6705c) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6705c) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b8800027000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Read of size 8 at 0x7b8800027198 by thread T2 (mutexes: write M1478): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b880002719c by thread T1 (mutexes: write M1475): #0 fill_rectangle src/libavcodec/rectangle.h:61 (ffmpeg+0x000000b67048) #1 ZERO8x2 src/libavcodec/rv34.c:49 (ffmpeg+0x000000b67048) #2 rv34_decode_mv src/libavcodec/rv34.c:879 (ffmpeg+0x000000b67048) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b67048) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b67048) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b67048) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b8800027000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Read of size 8 at 0x7b8800025810 by thread T2 (mutexes: write M1478): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b8800025810 by thread T1 (mutexes: write M1475): #0 fill_rectangle src/libavcodec/rectangle.h:61 (ffmpeg+0x000000b6713c) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b6713c) #2 rv34_decode_mv src/libavcodec/rv34.c:896 (ffmpeg+0x000000b6713c) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6713c) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6713c) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6713c) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b8800025800 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Read of size 8 at 0x7b88000258c0 by thread T2 (mutexes: write M1478): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b88000258c4 by thread T1 (mutexes: write M1475): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b6714b) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b6714b) #2 rv34_decode_mv src/libavcodec/rv34.c:896 (ffmpeg+0x000000b6714b) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6714b) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6714b) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6714b) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b8800025800 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Read of size 8 at 0x7b88000258c8 by thread T2 (mutexes: write M1478): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b88000258c8 by thread T1 (mutexes: write M1475): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b6716b) #1 ZERO8x2 src/libavcodec/rv34.c:49 (ffmpeg+0x000000b6716b) #2 rv34_decode_mv src/libavcodec/rv34.c:896 (ffmpeg+0x000000b6716b) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6716b) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6716b) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6716b) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b8800025800 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Write of size 4 at 0x7b6c00015fb0 by thread T1 (mutexes: write M1475): #0 rv34_decode_inter_mb_header src/libavcodec/rv34.c:398 (ffmpeg+0x000000b62eaa) #1 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b62eaa) #2 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b62eaa) #3 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b6c00015fb0 by thread T2: [failed to restore the stack] Location is heap block of size 1568 at 0x7b6c00015e00 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:46 (ffmpeg+0x000000a3897d) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3897d) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rv34.c:398 in rv34_decode_inter_mb_header ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Write of size 4 at 0x7b8800027358 by thread T1 (mutexes: write M1475): #0 fill_rectangle src/libavcodec/rectangle.h:61 (ffmpeg+0x000000b67029) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b67029) #2 rv34_decode_mv src/libavcodec/rv34.c:879 (ffmpeg+0x000000b67029) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b67029) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b67029) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b67029) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b8800027358 by thread T2: [failed to restore the stack] Location is heap block of size 5416 at 0x7b8800027000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rectangle.h:61 in fill_rectangle ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Write of size 4 at 0x7b8800027410 by thread T1 (mutexes: write M1475): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b6705c) #1 ZERO8x2 src/libavcodec/rv34.c:49 (ffmpeg+0x000000b6705c) #2 rv34_decode_mv src/libavcodec/rv34.c:879 (ffmpeg+0x000000b6705c) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6705c) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6705c) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6705c) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b8800027410 by thread T2: [failed to restore the stack] Location is heap block of size 5416 at 0x7b8800027000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rectangle.h:63 in fill_rectangle ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Write of size 4 at 0x7b88000278a8 by thread T1 (mutexes: write M1475): #0 fill_rectangle src/libavcodec/rectangle.h:61 (ffmpeg+0x000000b670a7) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b670a7) #2 rv34_decode_mv src/libavcodec/rv34.c:895 (ffmpeg+0x000000b670a7) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b670a7) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b670a7) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b670a7) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b88000278a8 by thread T2: [failed to restore the stack] Location is heap block of size 5416 at 0x7b8800027000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rectangle.h:61 in fill_rectangle ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Write of size 4 at 0x7b8800027960 by thread T1 (mutexes: write M1475): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b670da) #1 ZERO8x2 src/libavcodec/rv34.c:49 (ffmpeg+0x000000b670da) #2 rv34_decode_mv src/libavcodec/rv34.c:895 (ffmpeg+0x000000b670da) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b670da) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b670da) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b670da) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b8800027960 by thread T2: [failed to restore the stack] Location is heap block of size 5416 at 0x7b8800027000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rectangle.h:63 in fill_rectangle ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Write of size 4 at 0x7b88000260a8 by thread T1 (mutexes: write M1475): #0 fill_rectangle src/libavcodec/rectangle.h:61 (ffmpeg+0x000000b6713c) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b6713c) #2 rv34_decode_mv src/libavcodec/rv34.c:896 (ffmpeg+0x000000b6713c) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6713c) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6713c) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6713c) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b88000260a8 by thread T2: [failed to restore the stack] Location is heap block of size 5416 at 0x7b8800025800 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rectangle.h:61 in fill_rectangle ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Write of size 4 at 0x7b880002615c by thread T1 (mutexes: write M1475): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b6714b) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b6714b) #2 rv34_decode_mv src/libavcodec/rv34.c:896 (ffmpeg+0x000000b6714b) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6714b) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6714b) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6714b) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b8800026158 by thread T2: [failed to restore the stack] Location is heap block of size 5416 at 0x7b8800025800 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rectangle.h:63 in fill_rectangle ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Write of size 4 at 0x7b8800026160 by thread T1 (mutexes: write M1475): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b6716b) #1 ZERO8x2 src/libavcodec/rv34.c:49 (ffmpeg+0x000000b6716b) #2 rv34_decode_mv src/libavcodec/rv34.c:896 (ffmpeg+0x000000b6716b) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6716b) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6716b) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6716b) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b8800026160 by thread T2: [failed to restore the stack] Location is heap block of size 5416 at 0x7b8800025800 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rectangle.h:63 in fill_rectangle ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Read of size 8 at 0x7b8800017628 by thread T1 (mutexes: write M1475): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b8800017628 by thread T2 (mutexes: write M1478): #0 fill_rectangle src/libavcodec/rectangle.h:61 (ffmpeg+0x000000b670a7) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b670a7) #2 rv34_decode_mv src/libavcodec/rv34.c:895 (ffmpeg+0x000000b670a7) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b670a7) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b670a7) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b670a7) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b8800016800 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Read of size 8 at 0x7b88000176e0 by thread T1 (mutexes: write M1475): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b88000176e4 by thread T2 (mutexes: write M1478): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b670b5) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b670b5) #2 rv34_decode_mv src/libavcodec/rv34.c:895 (ffmpeg+0x000000b670b5) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b670b5) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b670b5) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b670b5) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b8800016800 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Read of size 8 at 0x7b8800017708 by thread T1 (mutexes: write M1475): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b8800017708 by thread T2 (mutexes: write M1478): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b670da) #1 ZERO8x2 src/libavcodec/rv34.c:49 (ffmpeg+0x000000b670da) #2 rv34_decode_mv src/libavcodec/rv34.c:895 (ffmpeg+0x000000b670da) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b670da) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b670da) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b670da) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b8800016800 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Read of size 8 at 0x7b8800015e30 by thread T1 (mutexes: write M1475): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b8800015e34 by thread T2 (mutexes: write M1478): #0 fill_rectangle src/libavcodec/rectangle.h:61 (ffmpeg+0x000000b6715c) #1 ZERO8x2 src/libavcodec/rv34.c:49 (ffmpeg+0x000000b6715c) #2 rv34_decode_mv src/libavcodec/rv34.c:896 (ffmpeg+0x000000b6715c) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6715c) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6715c) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6715c) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b8800015000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Read of size 8 at 0x7b4c00021ce8 by thread T1 (mutexes: write M1475): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:45 (ffmpeg+0x000000a3895a) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3895a) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 1 at 0x7b4c00021cef by thread T2: [failed to restore the stack] Location is heap block of size 392 at 0x7b4c00021cc0 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:45 (ffmpeg+0x000000a3895a) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3895a) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Read of size 8 at 0x7b6c000276b8 by thread T1 (mutexes: write M1475): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:46 (ffmpeg+0x000000a3897d) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3897d) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b6c000276bc by thread T2: [failed to restore the stack] Location is heap block of size 1568 at 0x7b6c00027600 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:46 (ffmpeg+0x000000a3897d) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3897d) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Read of size 8 at 0x7b880002b850 by thread T1 (mutexes: write M1475): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b880002b850 by thread T2: [failed to restore the stack] Location is heap block of size 5416 at 0x7b880002b800 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Read of size 8 at 0x7b880002d010 by thread T1 (mutexes: write M1475): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b880002d010 by thread T2: [failed to restore the stack] Location is heap block of size 5416 at 0x7b880002d000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Read of size 8 at 0x7b880001b0c0 by thread T2 (mutexes: write M1478): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b880001b0c4 by thread T1 (mutexes: write M1475): #0 rv34_pred_mv_rv3 src/libavcodec/rv34.c:641 (ffmpeg+0x000000b6672e) #1 rv34_decode_mv src/libavcodec/rv34.c:919 (ffmpeg+0x000000b6672e) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6672e) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6672e) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6672e) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b880001b000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Read of size 8 at 0x7b880001b0c8 by thread T2 (mutexes: write M1478): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b880001b0c8 by thread T1 (mutexes: write M1475): #0 rv34_pred_mv_rv3 src/libavcodec/rv34.c:641 (ffmpeg+0x000000b66787) #1 rv34_decode_mv src/libavcodec/rv34.c:919 (ffmpeg+0x000000b66787) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b66787) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b66787) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b66787) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b880001b000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Read of size 8 at 0x7b880001b360 by thread T2 (mutexes: write M1478): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b880001b366 by thread T1 (mutexes: write M1475): #0 rv34_pred_mv_rv3 src/libavcodec/rv34.c:642 (ffmpeg+0x000000b666cf) #1 rv34_decode_mv src/libavcodec/rv34.c:919 (ffmpeg+0x000000b666cf) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b666cf) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b666cf) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b666cf) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b880001b000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Read of size 8 at 0x7b880001b418 by thread T2 (mutexes: write M1478): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b880001b41a by thread T1 (mutexes: write M1475): #0 rv34_pred_mv_rv3 src/libavcodec/rv34.c:642 (ffmpeg+0x000000b66795) #1 rv34_decode_mv src/libavcodec/rv34.c:919 (ffmpeg+0x000000b66795) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b66795) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b66795) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b66795) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b880001b000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Read of size 8 at 0x7b880001b680 by thread T2 (mutexes: write M1478): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b880001b686 by thread T1 (mutexes: write M1475): #0 rv34_pred_mv_rv3 src/libavcodec/rv34.c:642 (ffmpeg+0x000000b6673b) #1 rv34_decode_mv src/libavcodec/rv34.c:919 (ffmpeg+0x000000b6673b) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6673b) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6673b) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6673b) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b880001b000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Read of size 8 at 0x7b880001c810 by thread T2 (mutexes: write M1478): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b880001c810 by thread T1 (mutexes: write M1475): #0 rv34_pred_mv_rv3 src/libavcodec/rv34.c:641 (ffmpeg+0x000000b6667e) #1 rv34_decode_mv src/libavcodec/rv34.c:919 (ffmpeg+0x000000b6667e) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6667e) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6667e) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6667e) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b880001c800 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Write of size 2 at 0x7b880001b640 by thread T1 (mutexes: write M1475): #0 rv34_pred_mv_rv3 src/libavcodec/rv34.c:641 (ffmpeg+0x000000b6662a) #1 rv34_decode_mv src/libavcodec/rv34.c:919 (ffmpeg+0x000000b6662a) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6662a) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6662a) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6662a) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b880001b640 by thread T2 (mutexes: write M1478): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b880001b000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rv34.c:641 in rv34_pred_mv_rv3 ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Read of size 8 at 0x7b880001c8c0 by thread T2 (mutexes: write M1478): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b880001c8c4 by thread T1 (mutexes: write M1475): #0 rv34_pred_mv_rv3 src/libavcodec/rv34.c:641 (ffmpeg+0x000000b66755) #1 rv34_decode_mv src/libavcodec/rv34.c:919 (ffmpeg+0x000000b66755) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b66755) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b66755) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b66755) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b880001c800 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Read of size 8 at 0x7b880001c8c8 by thread T2 (mutexes: write M1478): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b880001c8c8 by thread T1 (mutexes: write M1475): #0 rv34_pred_mv_rv3 src/libavcodec/rv34.c:641 (ffmpeg+0x000000b667a6) #1 rv34_decode_mv src/libavcodec/rv34.c:919 (ffmpeg+0x000000b667a6) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b667a6) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b667a6) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b667a6) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b880001c800 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Read of size 8 at 0x7b880001ce40 by thread T2 (mutexes: write M1478): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b880001ce46 by thread T1 (mutexes: write M1475): #0 rv34_pred_mv_rv3 src/libavcodec/rv34.c:642 (ffmpeg+0x000000b66700) #1 rv34_decode_mv src/libavcodec/rv34.c:919 (ffmpeg+0x000000b66700) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b66700) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b66700) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b66700) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b880001c800 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Write of size 2 at 0x7b880001b860 by thread T1 (mutexes: write M1475): #0 rv34_pred_mv_rv3 src/libavcodec/rv34.c:641 (ffmpeg+0x000000b66787) #1 rv34_decode_mv src/libavcodec/rv34.c:919 (ffmpeg+0x000000b66787) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b66787) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b66787) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b66787) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b880001b860 by thread T2: [failed to restore the stack] Location is heap block of size 5416 at 0x7b880001b000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rv34.c:641 in rv34_pred_mv_rv3 ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Write of size 2 at 0x7b880001d060 by thread T1 (mutexes: write M1475): #0 rv34_pred_mv_rv3 src/libavcodec/rv34.c:641 (ffmpeg+0x000000b667a6) #1 rv34_decode_mv src/libavcodec/rv34.c:919 (ffmpeg+0x000000b667a6) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b667a6) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b667a6) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b667a6) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b880001d060 by thread T2: [failed to restore the stack] Location is heap block of size 5416 at 0x7b880001c800 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rv34.c:641 in rv34_pred_mv_rv3 ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Write of size 2 at 0x7b880001bb88 by thread T1 (mutexes: write M1475): #0 rv34_pred_mv_rv3 src/libavcodec/rv34.c:641 (ffmpeg+0x000000b6662a) #1 rv34_decode_mv src/libavcodec/rv34.c:919 (ffmpeg+0x000000b6662a) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6662a) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6662a) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6662a) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b880001bb88 by thread T2: [failed to restore the stack] Location is heap block of size 5416 at 0x7b880001b000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rv34.c:641 in rv34_pred_mv_rv3 ================== ================== WARNING: ThreadSanitizer: data race (pid=12369) Write of size 2 at 0x7b880001d388 by thread T1 (mutexes: write M1475): #0 rv34_pred_mv_rv3 src/libavcodec/rv34.c:641 (ffmpeg+0x000000b6667e) #1 rv34_decode_mv src/libavcodec/rv34.c:919 (ffmpeg+0x000000b6667e) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6667e) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6667e) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6667e) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b880001d388 by thread T2: [failed to restore the stack] Location is heap block of size 5416 at 0x7b880001c800 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=12400, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=12401, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rv34.c:641 in rv34_pred_mv_rv3 ================== frame= 109 fps= 15 q=-0.0 Lsize= 6kB time=00:00:03.63 bitrate= 14.1kbits/s speed=0.488x video:13489kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown ThreadSanitizer: reported 39 warnings
diff	stderr	force_key_frames	66	N-121761-g643e2e10f9

--- /home/fate/ffmpeg/tests/ref/fate/force_key_frames 2017-03-24 21:02:53.619713101 +0000 +++ tests/data/fate/force_key_frames 2017-09-06 03:54:05.437399288 +0000 @@ -1,4 +1,2 @@ 07567b9528b8de523faaf49e4e1e0fc6 tests/data/fate/force_key_frames.avi 113312 tests/data/fate/force_key_frames.avi -b2e92b97bac0243242281d71108ffdbd tests/data/fate/force_key_frames.out.framecrc -stddev:34612.83 PSNR: 5.54 MAXDIFF:61408 bytes: 7603200/ 264

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth_lena.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 30412 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288, 30412 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -q:a or -q:v, -qscale is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/force_key_frames.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 352x288, q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 frame= 50 fps= 39 q=10.0 Lsize= 111kB time=00:00:02.00 bitrate= 453.2kbits/s speed=1.57x video:104kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 6.463221% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, avi, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/force_key_frames.avi': Duration: 00:00:02.00, start: 0.000000, bitrate: 453 kb/s Stream #0:0: Video: mpeg4 (Simple Profile) (FMP4 / 0x34504D46), yuv420p, 352x288 [SAR 1:1 DAR 11:9], 434 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4videodec.c:1649 in mpeg4_decode_mb ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800003018 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003018 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_block src/libavcodec/mpeg4videodec.c:1243 (ffmpeg+0x0000009fc0b0) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1674 (ffmpeg+0x0000009fc0b0) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800003a60 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003a64 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2814 (ffmpeg+0x000000a4f16b) #1 decode_slice src/libavcodec/h263dec.c:198 (ffmpeg+0x00000081d7e2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:273 (ffmpeg+0x00000081e23c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:277 (ffmpeg+0x00000081e2b8) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1646 (ffmpeg+0x0000009fb1f8) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800004f60 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004f64 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:196 (ffmpeg+0x00000081d7b8) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800004f68 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004f68 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:193 (ffmpeg+0x00000081d702) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b98000050c8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005120 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005124 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:246 (ffmpeg+0x00000081de8f) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1371): #0 get_vlc2 src/libavcodec/get_bits.h:564 (ffmpeg+0x0000009fac40) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1637 (ffmpeg+0x0000009fac40) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005358 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005358 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1013 (ffmpeg+0x00000012c545) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005360 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005360 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1037 (ffmpeg+0x00000012c712) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005368 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005368 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1038 (ffmpeg+0x00000012c71f) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005390 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005390 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1039 (ffmpeg+0x00000012c72c) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005398 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005398 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1040 (ffmpeg+0x00000012c740) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b98000053a0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053a0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1041 (ffmpeg+0x00000012c754) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b98000053c0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053c0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1029 (ffmpeg+0x00000012c61a) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b98000053c8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053c8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1029 (ffmpeg+0x00000012c62e) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b98000053e0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053e0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1030 (ffmpeg+0x00000012c645) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b98000053e8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053e8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1031 (ffmpeg+0x00000012c65f) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b98000053f0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053f0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1032 (ffmpeg+0x00000012c679) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b98000053f8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053f8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1032 (ffmpeg+0x00000012c693) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005420 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005420 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1042 (ffmpeg+0x00000012c76b) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005428 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005428 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1042 (ffmpeg+0x00000012c785) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005450 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005450 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1044 (ffmpeg+0x00000012c7d3) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005458 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005458 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1044 (ffmpeg+0x00000012c7ed) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005480 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005480 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1043 (ffmpeg+0x00000012c79f) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005488 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005488 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1043 (ffmpeg+0x00000012c7b9) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b98000054b0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054b0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1045 (ffmpeg+0x00000012c807) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b98000054b8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054b8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1046 (ffmpeg+0x00000012c821) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b98000054d0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054d0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1047 (ffmpeg+0x00000012c83b) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b98000054d8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054d8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1048 (ffmpeg+0x00000012c855) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b98000054e0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054e0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1049 (ffmpeg+0x00000012c86f) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b98000054e8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054e8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1050 (ffmpeg+0x00000012c889) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005500 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005500 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1051 (ffmpeg+0x00000012c8a3) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005508 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005508 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1052 (ffmpeg+0x00000012c8bd) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005510 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005510 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1053 (ffmpeg+0x00000012c8d7) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005518 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005518 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1054 (ffmpeg+0x00000012c8f1) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005540 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005540 by thread T1 (mutexes: write M1371): #0 ff_dsputil_init_dwt src/libavcodec/snow_dwt.c:844 (ffmpeg+0x00000014cc6c) #1 ff_me_cmp_init src/libavcodec/me_cmp.c:1056 (ffmpeg+0x00000012c907) #2 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #3 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005548 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005548 by thread T1 (mutexes: write M1371): #0 ff_dsputil_init_dwt src/libavcodec/snow_dwt.c:845 (ffmpeg+0x00000014cc86) #1 ff_me_cmp_init src/libavcodec/me_cmp.c:1056 (ffmpeg+0x00000012c907) #2 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #3 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005570 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005570 by thread T1 (mutexes: write M1371): #0 ff_dsputil_init_dwt src/libavcodec/snow_dwt.c:846 (ffmpeg+0x00000014cca0) #1 ff_me_cmp_init src/libavcodec/me_cmp.c:1056 (ffmpeg+0x00000012c907) #2 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #3 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005578 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005578 by thread T1 (mutexes: write M1371): #0 ff_dsputil_init_dwt src/libavcodec/snow_dwt.c:847 (ffmpeg+0x00000014ccba) #1 ff_me_cmp_init src/libavcodec/me_cmp.c:1056 (ffmpeg+0x00000012c907) #2 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #3 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b98000055a0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000055a0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1033 (ffmpeg+0x00000012c6ad) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b98000055a8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000055a8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1033 (ffmpeg+0x00000012c6c7) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b98000055d0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000055d0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1035 (ffmpeg+0x00000012c6e1) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b98000055d8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000055d8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1035 (ffmpeg+0x00000012c6fb) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005720 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005720 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1016 (ffmpeg+0x00000012c55b) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005728 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005728 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1017 (ffmpeg+0x00000012c56e) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005730 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005730 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1018 (ffmpeg+0x00000012c588) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005738 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005738 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1019 (ffmpeg+0x00000012c5a2) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005740 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005740 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1020 (ffmpeg+0x00000012c5bc) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005748 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005748 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1021 (ffmpeg+0x00000012c5cf) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005750 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005750 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1022 (ffmpeg+0x00000012c5e9) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005758 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005758 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1023 (ffmpeg+0x00000012c603) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005760 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005760 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1070 (ffmpeg+0x00000012c91e) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005768 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005768 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1071 (ffmpeg+0x00000012c938) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005790 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005790 by thread T1 (mutexes: write M1371): #0 ff_er_frame_start src/libavcodec/error_resilience.c:805 (ffmpeg+0x0000010a8e5b) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b98000057c0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000057c4 by thread T1 (mutexes: write M1371): #0 ff_er_frame_start src/libavcodec/error_resilience.c:811 (ffmpeg+0x0000010a8e1f) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005840 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005840 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:34 (ffmpeg+0x000000a17cef) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17cef) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005848 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005848 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:35 (ffmpeg+0x000000a17d02) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d02) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005850 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005850 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:38 (ffmpeg+0x000000a17d26) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d26) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005858 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005858 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:38 (ffmpeg+0x000000a17d6c) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d6c) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005860 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005860 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:39 (ffmpeg+0x000000a17d4c) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d4c) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005868 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005868 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:39 (ffmpeg+0x000000a17d92) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d92) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005870 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005870 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:42 (ffmpeg+0x000000a17db2) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17db2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005878 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005878 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:43 (ffmpeg+0x000000a17dd7) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17dd7) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005880 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005880 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:29 (ffmpeg+0x000000a18147) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:52 (ffmpeg+0x000000a18147) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005888 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005888 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:30 (ffmpeg+0x000000a1815e) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:52 (ffmpeg+0x000000a1815e) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b98000058c0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058c0 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:34 (ffmpeg+0x000000a17e31) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17e31) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b98000058c8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058c8 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:35 (ffmpeg+0x000000a17e44) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17e44) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b98000058d0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058d0 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:38 (ffmpeg+0x000000a17e68) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17e68) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b98000058d8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058d8 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:38 (ffmpeg+0x000000a17eae) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17eae) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b98000058e0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058e0 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:39 (ffmpeg+0x000000a17e8e) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17e8e) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b98000058e8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058e8 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:39 (ffmpeg+0x000000a17ed4) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17ed4) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b98000058f0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058f0 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:42 (ffmpeg+0x000000a17ef4) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17ef4) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b98000058f8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000058f8 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:43 (ffmpeg+0x000000a17f19) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17f19) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005920 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005924 by thread T1 (mutexes: write M1371): #0 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:56 (ffmpeg+0x000000a180cb) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22695) Read of size 8 at 0x7b9800005928 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005928 by thread T1 (mutexes: write M1371): #0 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:57 (ffmpeg+0x000000a180ef) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22724, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, framecrc, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/force_key_frames.out.framecrc': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288 [SAR 1:1 DAR 11:9], q=2-31, 30412 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo frame= 3 fps=0.0 q=-0.0 Lsize= 0kB time=00:00:01.56 bitrate= 1.4kbits/s speed=6.56x video:446kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown ThreadSanitizer: reported 87 warnings
diff	stderr	lavf-avi	66	N-121824-g775b102182

--- /home/fate/ffmpeg/tests/ref/lavf/avi 2017-03-24 21:02:53.646379831 +0000 +++ tests/data/fate/lavf-avi 2017-09-06 03:58:20.307394604 +0000 @@ -1,3 +1,2 @@ ab696052289d8dfea193e4cf94a94a6f *./tests/data/lavf/lavf.avi 330814 ./tests/data/lavf/lavf.avi -./tests/data/lavf/lavf.avi CRC=0xec6c3c68

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, image2, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/vsynth1/%02d.pgm': Duration: 00:00:02.00, start: 0.000000, bitrate: N/A Stream #0:0: Video: pgmyuv, yuv420p, 352x288, 25 fps, 25 tbr, 25 tbn, 25 tbc [s16le @ 0x7b6800000600] Estimating duration from bitrate, this may be inaccurate Guessed Channel Layout for Input Stream #1.0 : mono Input #1, s16le, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/./tests/data/asynth1.sw': Duration: 00:00:12.00, bitrate: 705 kb/s Stream #1:0: Audio: pcm_s16le, 44100 Hz, mono, s16, 705 kb/s Codec AVOption idct (select IDCT implementation) specified for input file #1 (/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/./tests/data/asynth1.sw) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some decoder which was not actually used for any stream. Stream mapping: Stream #0:0 -> #0:0 (pgmyuv (native) -> mpeg4 (native)) Stream #1:0 -> #0:1 (pcm_s16le (native) -> mp2 (native)) [image2 @ 0x7b6800000000] Thread message queue blocking; consider raising the thread_queue_size option (current value: 8) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/./tests/data/lavf/lavf.avi': Metadata: INAM : lavftest Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p(progressive), 352x288, q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 Stream #0:1: Audio: mp2 (P[0][0][0] / 0x0050), 44100 Hz, mono, s16, 64 kb/s Metadata: encoder : Lavc mp2 frame= 25 fps= 22 q=10.0 Lsize= 323kB time=00:00:01.01 bitrate=2597.7kbits/s speed=0.881x video:304kB audio:8kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 3.607960% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, avi, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/./tests/data/lavf/lavf.avi': Metadata: title : lavftest Duration: 00:00:01.02, start: 0.000000, bitrate: 2597 kb/s Stream #0:0: Video: mpeg4 (Simple Profile) (FMP4 / 0x34504D46), yuv420p, 352x288 [SAR 1:1 DAR 11:9], 2592 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc Stream #0:1: Audio: mp2 (P[0][0][0] / 0x0050), 44100 Hz, mono, s16p, 64 kb/s Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) Stream #0:1 -> #0:1 (mp2 (native) -> pcm_s16le (native)) Output #0, crc, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/./tests/data/avi.lavf.crc': Metadata: title : lavftest encoder : Lavf57.81.100 Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288 [SAR 1:1 DAR 11:9], q=2-31, 30412 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc57.105.100 rawvideo Stream #0:1: Audio: pcm_s16le, 44100 Hz, mono, s16, 705 kb/s Metadata: encoder : Lavc57.105.100 pcm_s16le ================== WARNING: ThreadSanitizer: data race (pid=8985) Read of size 4 at 0x7b98000050cc by main thread (mutexes: write M1378): #0 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:568 (ffmpeg+0x000000a43ab3) #1 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #2 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #3 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #4 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #5 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #6 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #7 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #8 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #9 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #10 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #11 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #12 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #13 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #14 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #15 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1376): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1378 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1376 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=9020, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:568 in ff_mpeg_update_thread_context ================== frame= 25 fps=0.0 q=-0.0 Lsize= 0kB time=00:00:01.01 bitrate= 0.1kbits/s speed=1.02x video:3712kB audio:88kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown ThreadSanitizer: reported 1 warnings
diff	stderr	lavf-ismv	66	N-121824-g775b102182

--- /home/fate/ffmpeg/tests/ref/lavf/ismv 2017-03-24 21:02:53.646379831 +0000 +++ tests/data/fate/lavf-ismv 2017-09-06 03:58:28.714060925 +0000 @@ -1,9 +1,2 @@ a9ccbb4cd1436d222ef4425567b4e03d ./tests/data/lavf/lavf.ismv 312542 ./tests/data/lavf/lavf.ismv -./tests/data/lavf/lavf.ismv CRC=0x9d9a638a -440d85f9fd5b9f63c2676638782b5c15 ./tests/data/lavf/lavf.ismv -321448 ./tests/data/lavf/lavf.ismv -./tests/data/lavf/lavf.ismv CRC=0xe8130120 -a9ccbb4cd1436d222ef4425567b4e03d *./tests/data/lavf/lavf.ismv -312542 ./tests/data/lavf/lavf.ismv -./tests/data/lavf/lavf.ismv CRC=0x9d9a638a

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, image2, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/vsynth1/%02d.pgm': Duration: 00:00:02.00, start: 0.000000, bitrate: N/A Stream #0:0: Video: pgmyuv, yuv420p, 352x288, 25 fps, 25 tbr, 25 tbn, 25 tbc [s16le @ 0x7b6800000600] Estimating duration from bitrate, this may be inaccurate Guessed Channel Layout for Input Stream #1.0 : mono Input #1, s16le, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/./tests/data/asynth1.sw': Duration: 00:00:12.00, bitrate: 705 kb/s Stream #1:0: Audio: pcm_s16le, 44100 Hz, mono, s16, 705 kb/s Codec AVOption idct (select IDCT implementation) specified for input file #1 (/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/./tests/data/asynth1.sw) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some decoder which was not actually used for any stream. Codec AVOption b (set bitrate (in bits/s)) specified for output file #0 (/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/./tests/data/lavf/lavf.ismv) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some encoder which was not actually used for any stream. Stream mapping: Stream #0:0 -> #0:0 (pgmyuv (native) -> mpeg4 (native)) [image2 @ 0x7b6800000000] Thread message queue blocking; consider raising the thread_queue_size option (current value: 8) Output #0, ismv, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/./tests/data/lavf/lavf.ismv': Metadata: title : lavftest timecode : 02:56:14:13 Stream #0:0: Video: mpeg4 (mp4v / 0x7634706D), yuv420p, 352x288, q=2-31, 200 kb/s, 25 fps, 10000k tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 frame= 25 fps= 21 q=10.0 Lsize= 305kB time=00:00:00.96 bitrate=2604.5kbits/s speed=0.804x video:304kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.478374% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/./tests/data/lavf/lavf.ismv': Metadata: major_brand : isml minor_version : 512 compatible_brands: piff title : lavftest Duration: 00:00:01.00, start: 0.000000, bitrate: 2500 kb/s Stream #0:0(und): Video: mpeg4 (Simple Profile) (mp4v / 0x7634706D), yuv420p, 352x288 [SAR 1:1 DAR 11:9], 2488 kb/s, 25 fps, 25 tbr, 10000k tbn, 25 tbc (default) Metadata: handler_name : VideoHandler Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=9664) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1370): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=9666, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=9664) Write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1370): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=9666, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4videodec.c:1649 in mpeg4_decode_mb ================== ================== WARNING: ThreadSanitizer: data race (pid=9664) Read of size 8 at 0x7b9800003a60 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003a64 by thread T1: [failed to restore the stack] Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=9666, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=9664) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1370): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=9666, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=9664) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1370): #0 decode_slice src/libavcodec/h263dec.c:305 (ffmpeg+0x00000081df6d) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=9666, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=9664) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1370): #0 decode_slice src/libavcodec/h263dec.c:222 (ffmpeg+0x00000081df93) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=9666, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=9664) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1370): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1646 (ffmpeg+0x0000009fb1f8) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=9666, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=9664) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1370): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=9666, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=9664) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1370): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=9666, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=9664) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1370): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=9666, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=9664) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1370): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=9666, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=9664) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1370): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=9666, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=9664) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1370): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=9666, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=9664) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1370): #0 get_vlc2 src/libavcodec/get_bits.h:564 (ffmpeg+0x0000009fac40) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1637 (ffmpeg+0x0000009fac40) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=9666, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, crc, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/./tests/data/ismv.lavf.crc': Metadata: major_brand : isml minor_version : 512 compatible_brands: piff title : lavftest encoder : Lavf57.81.100 Stream #0:0(und): Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288 [SAR 1:1 DAR 11:9], q=2-31, 30412 kb/s, 25 fps, 25 tbn, 25 tbc (default) Metadata: handler_name : VideoHandler encoder : Lavc57.105.100 rawvideo ================== WARNING: ThreadSanitizer: data race (pid=9664) Write of size 4 at 0x7b98000080cc by thread T2 (mutexes: write M1372): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 4 at 0x7b98000080cc by main thread (mutexes: write M1370): #0 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:568 (ffmpeg+0x000000a43ab3) #1 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #2 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #3 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #4 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #5 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #6 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #7 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #8 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #9 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #10 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #11 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #12 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #13 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #14 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #15 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800006000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 ff_frame_thread_init src/libavcodec/pthread_frame.c:821 (ffmpeg+0x000000b05586) #3 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #6 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #7 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #8 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=9667, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/h263dec.c:271 in decode_slice ================== frame= 25 fps=0.0 q=-0.0 Lsize= 0kB time=00:00:01.00 bitrate= 0.1kbits/s speed=1.42x video:3712kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown ThreadSanitizer: reported 15 warnings
diff	stderr	lavf-mkv	66	N-121678-gdf1fd43db4

--- /home/fate/ffmpeg/tests/ref/lavf/mkv 2017-03-24 21:02:53.646379831 +0000 +++ tests/data/fate/lavf-mkv 2017-09-06 03:58:26.597394347 +0000 @@ -1,6 +1,2 @@ 7c8697c324e8ad79c5ea14364a6c39b8 ./tests/data/lavf/lavf.mkv 472759 ./tests/data/lavf/lavf.mkv -./tests/data/lavf/lavf.mkv CRC=0xec6c3c68 -9767a3b526d7e56d7400164cb888990c ./tests/data/lavf/lavf.mkv -320603 ./tests/data/lavf/lavf.mkv -./tests/data/lavf/lavf.mkv CRC=0xec6c3c68

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, image2, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/vsynth1/%02d.pgm': Duration: 00:00:02.00, start: 0.000000, bitrate: N/A Stream #0:0: Video: pgmyuv, yuv420p, 352x288, 25 fps, 25 tbr, 25 tbn, 25 tbc [s16le @ 0x7b6800000600] Estimating duration from bitrate, this may be inaccurate Guessed Channel Layout for Input Stream #1.0 : mono Input #1, s16le, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/./tests/data/asynth1.sw': Duration: 00:00:12.00, bitrate: 705 kb/s Stream #1:0: Audio: pcm_s16le, 44100 Hz, mono, s16, 705 kb/s Codec AVOption idct (select IDCT implementation) specified for input file #1 (/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/./tests/data/asynth1.sw) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some decoder which was not actually used for any stream. Stream mapping: Stream #0:0 -> #0:0 (pgmyuv (native) -> mpeg4 (native)) Stream #1:0 -> #0:1 (pcm_s16le (native) -> mp2 (native)) File /home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/vsynth1/00.pgm -> Stream #0:2 [image2 @ 0x7b6800000000] Thread message queue blocking; consider raising the thread_queue_size option (current value: 8) Output #0, matroska, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/./tests/data/lavf/lavf.mkv': Metadata: title : lavftest Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p(progressive), 352x288, q=2-31, 200 kb/s, 25 fps, 1k tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 Stream #0:1: Audio: mp2 (P[0][0][0] / 0x0050), 44100 Hz, mono, s16, 64 kb/s Metadata: encoder : Lavc mp2 Stream #0:2: Attachment: none Metadata: filename : 00.pgm mimetype : image/x-portable-greymap frame= 25 fps= 20 q=10.0 Lsize= 462kB time=00:00:01.00 bitrate=3752.1kbits/s speed=0.806x video:304kB audio:8kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 48.105598% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [matroska,webm @ 0x7b6800000000] Could not find codec parameters for stream 2 (Attachment: none): unknown codec Consider increasing the value for the 'analyzeduration' and 'probesize' options Input #0, matroska,webm, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/./tests/data/lavf/lavf.mkv': Metadata: title : lavftest encoder : Lavf Duration: 00:00:01.02, start: 0.000000, bitrate: 3711 kb/s Stream #0:0: Video: mpeg4 (Simple Profile), yuv420p(progressive), 352x288 [SAR 1:1 DAR 11:9], 25 fps, 25 tbr, 1k tbn, 25 tbc (default) Metadata: ENCODER : Lavc mpeg4 DURATION : 00:00:01.011000000 Stream #0:1: Audio: mp2, 44100 Hz, mono, s16p, 64 kb/s (default) Metadata: ENCODER : Lavc mp2 DURATION : 00:00:01.019000000 Stream #0:2: Attachment: none Metadata: filename : 00.pgm mimetype : image/x-portable-greymap Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) Stream #0:1 -> #0:1 (mp2 (native) -> pcm_s16le (native)) ================== WARNING: ThreadSanitizer: data race (pid=9520) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1441): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1438): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1441 (0x7b5c00001758) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1438 (0x7b5c000015a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=9523, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=9520) Write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1438): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1441): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1438 (0x7b5c000015a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1441 (0x7b5c00001758) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=9523, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4videodec.c:1649 in mpeg4_decode_mb ================== ================== WARNING: ThreadSanitizer: data race (pid=9520) Read of size 8 at 0x7b9800003018 by main thread (mutexes: write M1441): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003018 by thread T1 (mutexes: write M1438): #0 mpeg4_decode_block src/libavcodec/mpeg4videodec.c:1243 (ffmpeg+0x0000009fc0b0) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1674 (ffmpeg+0x0000009fc0b0) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1441 (0x7b5c00001758) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1438 (0x7b5c000015a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=9523, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=9520) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1441): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1438): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1441 (0x7b5c00001758) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1438 (0x7b5c000015a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=9523, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=9520) Write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1438): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1441): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1438 (0x7b5c000015a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1441 (0x7b5c00001758) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=9523, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/h263dec.c:250 in decode_slice ================== ================== WARNING: ThreadSanitizer: data race (pid=9520) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1441): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1438): #0 decode_slice src/libavcodec/h263dec.c:305 (ffmpeg+0x00000081df6d) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1441 (0x7b5c00001758) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1438 (0x7b5c000015a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=9523, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=9520) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1441): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1438): #0 decode_slice src/libavcodec/h263dec.c:222 (ffmpeg+0x00000081df93) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1441 (0x7b5c00001758) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1438 (0x7b5c000015a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=9523, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=9520) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1441): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1438): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1646 (ffmpeg+0x0000009fb1f8) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1441 (0x7b5c00001758) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1438 (0x7b5c000015a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=9523, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=9520) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1441): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1438): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1441 (0x7b5c00001758) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1438 (0x7b5c000015a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=9523, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=9520) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1441): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1438): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1441 (0x7b5c00001758) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1438 (0x7b5c000015a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=9523, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=9520) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1441): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1438): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1441 (0x7b5c00001758) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1438 (0x7b5c000015a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=9523, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=9520) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1441): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1438): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1441 (0x7b5c00001758) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1438 (0x7b5c000015a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=9523, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=9520) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1441): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1438): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1441 (0x7b5c00001758) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1438 (0x7b5c000015a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=9523, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=9520) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1441): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1438): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1441 (0x7b5c00001758) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1438 (0x7b5c000015a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=9523, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=9520) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1441): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1438): #0 get_vlc2 src/libavcodec/get_bits.h:564 (ffmpeg+0x0000009fac40) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1637 (ffmpeg+0x0000009fac40) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1441 (0x7b5c00001758) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1438 (0x7b5c000015a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=9523, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=9520) Write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1438): #0 decode_slice src/libavcodec/h263dec.c:222 (ffmpeg+0x00000081df93) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1441): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1438 (0x7b5c000015a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1441 (0x7b5c00001758) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=9523, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/h263dec.c:222 in decode_slice ================== Output #0, crc, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/./tests/data/mkv.lavf.crc': Metadata: title : lavftest encoder : Lavf57.81.100 Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288 [SAR 1:1 DAR 11:9], q=2-31, 30412 kb/s, 25 fps, 25 tbn, 25 tbc (default) Metadata: DURATION : 00:00:01.011000000 encoder : Lavc57.105.100 rawvideo Stream #0:1: Audio: pcm_s16le, 44100 Hz, mono, s16, 705 kb/s (default) Metadata: DURATION : 00:00:01.019000000 encoder : Lavc57.105.100 pcm_s16le ================== WARNING: ThreadSanitizer: data race (pid=9520) Read of size 4 at 0x7b98000050cc by main thread (mutexes: write M1441): #0 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:568 (ffmpeg+0x000000a43ab3) #1 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #2 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #3 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #4 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #5 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #6 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #7 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #8 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #9 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #10 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #11 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #12 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #13 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #14 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #15 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1438): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1441 (0x7b5c00001758) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1438 (0x7b5c000015a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=9523, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:568 in ff_mpeg_update_thread_context ================== frame= 25 fps=0.0 q=-0.0 Lsize= 0kB time=00:00:01.01 bitrate= 0.1kbits/s speed=1.06x video:3712kB audio:88kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown ThreadSanitizer: reported 17 warnings
diff	stderr	lavf-mov	66	N-121724-gdd05022def

--- /home/fate/ffmpeg/tests/ref/lavf/mov 2017-03-24 21:02:53.646379831 +0000 +++ tests/data/fate/lavf-mov 2017-09-06 03:58:28.034060954 +0000 @@ -1,21 +1,2 @@ a10d50f2679df92264e1fc21cb8be630 ./tests/data/lavf/lavf.mov 366449 ./tests/data/lavf/lavf.mov -./tests/data/lavf/lavf.mov CRC=0xbb2b949b -6258f70f974e3c802e01d02ac33c7bbd ./tests/data/lavf/lavf.mov -357539 ./tests/data/lavf/lavf.mov -./tests/data/lavf/lavf.mov CRC=0xbb2b949b -ba3b8b49e420510a0d417400dbedfc2d ./tests/data/lavf/lavf.mov -366621 ./tests/data/lavf/lavf.mov -./tests/data/lavf/lavf.mov CRC=0xa9793231 -fd0e4de8e7f6d0c8c0681d7020f00f50 ./tests/data/lavf/lavf.mov -356921 ./tests/data/lavf/lavf.mov -./tests/data/lavf/lavf.mov CRC=0xbb2b949b -ebca72c186a4f3ba9bb17d9cb5b74fef ./tests/data/lavf/lavf.mp4 -312457 ./tests/data/lavf/lavf.mp4 -./tests/data/lavf/lavf.mp4 CRC=0x9d9a638a -9944512475d82d2d601f3c96101bdf9c ./tests/data/lavf/lavf.mp4 -321343 ./tests/data/lavf/lavf.mp4 -./tests/data/lavf/lavf.mp4 CRC=0xe8130120 -7b3e71f294901067046c09f03a426bdc *./tests/data/lavf/lavf.mp4 -312001 ./tests/data/lavf/lavf.mp4 -./tests/data/lavf/lavf.mp4 CRC=0x9d9a638a

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, image2, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/vsynth1/%02d.pgm': Duration: 00:00:02.00, start: 0.000000, bitrate: N/A Stream #0:0: Video: pgmyuv, yuv420p, 352x288, 25 fps, 25 tbr, 25 tbn, 25 tbc [s16le @ 0x7b6800000600] Estimating duration from bitrate, this may be inaccurate Guessed Channel Layout for Input Stream #1.0 : mono Input #1, s16le, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/./tests/data/asynth1.sw': Duration: 00:00:12.00, bitrate: 705 kb/s Stream #1:0: Audio: pcm_s16le, 44100 Hz, mono, s16, 705 kb/s Codec AVOption idct (select IDCT implementation) specified for input file #1 (/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/./tests/data/asynth1.sw) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some decoder which was not actually used for any stream. Stream mapping: Stream #0:0 -> #0:0 (pgmyuv (native) -> mpeg4 (native)) Stream #1:0 -> #0:1 (pcm_s16le (native) -> pcm_alaw (native)) [image2 @ 0x7b6800000000] Thread message queue blocking; consider raising the thread_queue_size option (current value: 8) Output #0, mov, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/./tests/data/lavf/lavf.mov': Metadata: title : lavftest Stream #0:0: Video: mpeg4 (mp4v / 0x7634706D), yuv420p(progressive), 352x288, q=2-31, 200 kb/s, 25 fps, 12800 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 Stream #0:1: Audio: pcm_alaw (alaw / 0x77616C61), 44100 Hz, mono, s16, 352 kb/s Metadata: encoder : Lavc pcm_alaw frame= 25 fps= 21 q=10.0 Lsize= 358kB time=00:00:01.00 bitrate=2931.6kbits/s speed=0.857x video:304kB audio:43kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 3.180310% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/./tests/data/lavf/lavf.mov': Metadata: major_brand : qt minor_version : 512 compatible_brands: qt title : lavftest Duration: 00:00:01.00, start: 0.000000, bitrate: 2931 kb/s Stream #0:0(eng): Video: mpeg4 (Simple Profile) (mp4v / 0x7634706D), yuv420p, 352x288 [SAR 1:1 DAR 11:9], 2488 kb/s, 25 fps, 25 tbr, 12800 tbn, 25 tbc (default) Metadata: handler_name : DataHandler encoder : Lavc mpeg4 Stream #0:1(eng): Audio: pcm_alaw (alaw / 0x77616C61), 44100 Hz, mono, s16, 352 kb/s (default) Metadata: handler_name : DataHandler Stream #0:2(eng): Data: none (rtp / 0x20707472), 54 kb/s Metadata: handler_name : HintHandler Stream #0:3(eng): Data: none (rtp / 0x20707472), 11 kb/s Metadata: handler_name : HintHandler Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) Stream #0:1 -> #0:1 (pcm_alaw (native) -> pcm_s16le (native)) Output #0, crc, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/./tests/data/mov.lavf.crc': Metadata: major_brand : qt minor_version : 512 compatible_brands: qt title : lavftest encoder : Lavf57.81.100 Stream #0:0(eng): Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288 [SAR 1:1 DAR 11:9], q=2-31, 30412 kb/s, 25 fps, 25 tbn, 25 tbc (default) Metadata: handler_name : DataHandler encoder : Lavc57.105.100 rawvideo Stream #0:1(eng): Audio: pcm_s16le, 44100 Hz, mono, s16, 705 kb/s (default) Metadata: handler_name : DataHandler encoder : Lavc57.105.100 pcm_s16le ================== WARNING: ThreadSanitizer: data race (pid=9620) Write of size 4 at 0x7b98000080cc by thread T2 (mutexes: write M1372): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 4 at 0x7b98000080cc by main thread (mutexes: write M1370): #0 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:568 (ffmpeg+0x000000a43ab3) #1 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #2 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #3 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #4 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #5 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #6 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #7 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #8 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #9 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #10 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #11 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #12 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #13 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #14 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #15 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800006000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 ff_frame_thread_init src/libavcodec/pthread_frame.c:821 (ffmpeg+0x000000b05586) #3 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #6 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #7 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #8 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1372 (0x7b5c00001e58) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c00001ca8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=9635, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/h263dec.c:271 in decode_slice ================== frame= 25 fps= 24 q=-0.0 Lsize= 0kB time=00:00:01.00 bitrate= 0.1kbits/s speed=0.951x video:3712kB audio:86kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown ThreadSanitizer: reported 1 warnings
diff	stderr	lavf-nut	66	N-121761-g643e2e10f9

--- /home/fate/ffmpeg/tests/ref/lavf/nut 2017-03-24 21:02:53.646379831 +0000 +++ tests/data/fate/lavf-nut 2017-09-06 03:58:32.794060754 +0000 @@ -1,3 +1,2 @@ 424e8037d7b6f3d3c09cf76bf06a63cb *./tests/data/lavf/lavf.nut 319958 ./tests/data/lavf/lavf.nut -./tests/data/lavf/lavf.nut CRC=0xec6c3c68

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, image2, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/vsynth1/%02d.pgm': Duration: 00:00:02.00, start: 0.000000, bitrate: N/A Stream #0:0: Video: pgmyuv, yuv420p, 352x288, 25 fps, 25 tbr, 25 tbn, 25 tbc [s16le @ 0x7b6800000600] Estimating duration from bitrate, this may be inaccurate Guessed Channel Layout for Input Stream #1.0 : mono Input #1, s16le, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/./tests/data/asynth1.sw': Duration: 00:00:12.00, bitrate: 705 kb/s Stream #1:0: Audio: pcm_s16le, 44100 Hz, mono, s16, 705 kb/s Codec AVOption idct (select IDCT implementation) specified for input file #1 (/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/./tests/data/asynth1.sw) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some decoder which was not actually used for any stream. Stream mapping: Stream #0:0 -> #0:0 (pgmyuv (native) -> mpeg4 (native)) Stream #1:0 -> #0:1 (pcm_s16le (native) -> mp2 (native)) [image2 @ 0x7b6800000000] Thread message queue blocking; consider raising the thread_queue_size option (current value: 8) Output #0, nut, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/./tests/data/lavf/lavf.nut': Metadata: title : lavftest Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p(progressive), 352x288, q=2-31, 200 kb/s, 25 fps, 51200 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 Stream #0:1: Audio: mp2 (P[0][0][0] / 0x0050), 44100 Hz, mono, s16, 64 kb/s Metadata: encoder : Lavc mp2 frame= 25 fps= 18 q=10.0 Lsize= 312kB time=00:00:01.00 bitrate=2539.7kbits/s speed=0.714x video:304kB audio:8kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.236213% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, nut, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/./tests/data/lavf/lavf.nut': Metadata: title : lavftest Duration: 00:00:00.99, start: 0.000000, bitrate: 2578 kb/s Stream #0:0: Video: mpeg4 (Simple Profile) (FMP4 / 0x34504D46), yuv420p, 352x288 [SAR 1:1 DAR 11:9], 25 tbr, 51200 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Stream #0:1: Audio: mp2 (P[0][0][0] / 0x0050), 44100 Hz, mono, s16p, 64 kb/s Metadata: encoder : Lavc mp2 Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) Stream #0:1 -> #0:1 (mp2 (native) -> pcm_s16le (native)) ================== WARNING: ThreadSanitizer: data race (pid=10012) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1377): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1374): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1377 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1374 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=10021, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=10012) Write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1374): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1377): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1377 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=10021, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4videodec.c:1649 in mpeg4_decode_mb ================== ================== WARNING: ThreadSanitizer: data race (pid=10012) Read of size 8 at 0x7b9800003018 by main thread (mutexes: write M1377): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003018 by thread T1 (mutexes: write M1374): #0 mpeg4_decode_block src/libavcodec/mpeg4videodec.c:1243 (ffmpeg+0x0000009fc0b0) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1674 (ffmpeg+0x0000009fc0b0) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1377 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1374 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=10021, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=10012) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1377): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1374): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1377 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1374 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=10021, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=10012) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1377): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1374): #0 decode_slice src/libavcodec/h263dec.c:273 (ffmpeg+0x00000081e23c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1377 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1374 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=10021, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=10012) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1377): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1374): #0 decode_slice src/libavcodec/h263dec.c:277 (ffmpeg+0x00000081e2b8) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1377 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1374 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=10021, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=10012) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1377): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1374): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1646 (ffmpeg+0x0000009fb1f8) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1377 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1374 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=10021, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=10012) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1377): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1374): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1377 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1374 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=10021, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=10012) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1377): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1374): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1377 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1374 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=10021, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=10012) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1377): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1374): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1377 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1374 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=10021, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=10012) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1377): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1374): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1377 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1374 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=10021, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=10012) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1377): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1374): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1377 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1374 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=10021, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=10012) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1377): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1374): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1377 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1374 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=10021, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=10012) Read of size 8 at 0x7b98000050c8 by main thread (mutexes: write M1377): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1374): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1377 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1374 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=10021, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=10012) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1377): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1374): #0 get_vlc2 src/libavcodec/get_bits.h:564 (ffmpeg+0x0000009fac40) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1637 (ffmpeg+0x0000009fac40) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1377 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1374 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=10021, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, crc, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/./tests/data/nut.lavf.crc': Metadata: title : lavftest encoder : Lavf57.81.100 Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288 [SAR 1:1 DAR 11:9], q=2-31, 30412 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc57.105.100 rawvideo Stream #0:1: Audio: pcm_s16le, 44100 Hz, mono, s16, 705 kb/s Metadata: encoder : Lavc57.105.100 pcm_s16le frame= 25 fps= 23 q=-0.0 Lsize= 0kB time=00:00:01.01 bitrate= 0.1kbits/s speed=0.934x video:3712kB audio:88kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown ThreadSanitizer: reported 15 warnings
diff	stderr	m4v	66	N-121762-gad956ff076

No diff output recorded

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [mpeg4 @ 0x7b6400000500] time_increment_bits 3 is invalid in relation to the current bitstream, this is likely caused by a missing VOL header [mpeg4 @ 0x7b6400000500] time_increment_bits set to 15 bits, based on bitstream analysis [mpeg4 @ 0x7b6400000500] time_increment_bits 3 is invalid in relation to the current bitstream, this is likely caused by a missing VOL header [mpeg4 @ 0x7b6400000500] time_increment_bits set to 15 bits, based on bitstream analysis Input #0, m4v, from '/home/fate/fate-suite/mpeg4/demo.m4v': Duration: N/A, start: 1.000000, bitrate: N/A Stream #0:0: Video: mpeg4 (Simple Profile), yuv420p, 320x240 [SAR 1:1 DAR 4:3], 60 tbr, 1200k tbn, 32768 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) [mpeg4 @ 0x7b6400001e00] time_increment_bits 3 is invalid in relation to the current bitstream, this is likely caused by a missing VOL header [mpeg4 @ 0x7b6400001e00] time_increment_bits set to 15 bits, based on bitstream analysis ================== WARNING: ThreadSanitizer: data race (pid=30820) Read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1943): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1941): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 decode_slice src/libavcodec/h263dec.c:198 (ffmpeg+0x00000081d7e2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1943 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1941 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30825, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30820) Write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1941): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1666 (ffmpeg+0x0000009fd220) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1943): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1941 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1943 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30825, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:2816 in ff_set_qscale ================== ================== WARNING: ThreadSanitizer: data race (pid=30820) Write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1941): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1943): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1941 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1943 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30825, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4videodec.c:1649 in mpeg4_decode_mb ================== ================== WARNING: ThreadSanitizer: data race (pid=30820) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1943): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1941): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1943 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1941 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30825, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30820) Read of size 8 at 0x7b9800003a60 by main thread (mutexes: write M1943): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003a64 by thread T1 (mutexes: write M1941): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2814 (ffmpeg+0x000000a4f16b) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1666 (ffmpeg+0x0000009fd220) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1943 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1941 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30825, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30820) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1943): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1941): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1943 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1941 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30825, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30820) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1943): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1941): #0 decode_slice src/libavcodec/h263dec.c:305 (ffmpeg+0x00000081df6d) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1943 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1941 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30825, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30820) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1943): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1941): #0 decode_slice src/libavcodec/h263dec.c:222 (ffmpeg+0x00000081df93) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1943 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1941 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30825, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30820) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1943): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1941): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1646 (ffmpeg+0x0000009fb1f8) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1943 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1941 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30825, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30820) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1943): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1941): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1943 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1941 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30825, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30820) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1943): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1941): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1943 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1941 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30825, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30820) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1943): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1941): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1943 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1941 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30825, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30820) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1943): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1941): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1943 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1941 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30825, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30820) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1943): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1941): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1943 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1941 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30825, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30820) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1943): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1941): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1943 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1941 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30825, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30820) Read of size 8 at 0x7b9800004f60 by main thread (mutexes: write M1943): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004f64 by thread T1: [failed to restore the stack] Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1943 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30825, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30820) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1943): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1941): #0 get_vlc2 src/libavcodec/get_bits.h:564 (ffmpeg+0x0000009fac40) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1637 (ffmpeg+0x0000009fac40) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1943 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1941 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30825, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, framecrc, to 'pipe:': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 320x240 [SAR 1:1 DAR 4:3], q=2-31, 55296 kb/s, 60 fps, 60 tbn, 60 tbc Metadata: encoder : Lavc rawvideo ================== WARNING: ThreadSanitizer: data race (pid=30820) Write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1941): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 4 at 0x7b98000050cc by main thread (mutexes: write M1943): #0 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:568 (ffmpeg+0x000000a43ab3) #1 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #2 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #3 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #4 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #5 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #6 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #7 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #8 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #9 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #10 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #11 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #12 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #13 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #14 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #15 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1941 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1943 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30825, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/h263dec.c:271 in decode_slice ================== frame= 42 fps= 25 q=-0.0 Lsize= 2kB time=00:00:08.20 bitrate= 2.5kbits/s speed= 4.9x video:4725kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown ThreadSanitizer: reported 18 warnings
diff	stderr	m4v-cfr	66	N-121762-gad956ff076

No diff output recorded

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [mpeg4 @ 0x7b6400000500] time_increment_bits 3 is invalid in relation to the current bitstream, this is likely caused by a missing VOL header [mpeg4 @ 0x7b6400000500] time_increment_bits set to 15 bits, based on bitstream analysis [mpeg4 @ 0x7b6400000500] time_increment_bits 3 is invalid in relation to the current bitstream, this is likely caused by a missing VOL header [mpeg4 @ 0x7b6400000500] time_increment_bits set to 15 bits, based on bitstream analysis Input #0, m4v, from '/home/fate/fate-suite/mpeg4/demo.m4v': Duration: N/A, start: 1.000000, bitrate: N/A Stream #0:0: Video: mpeg4 (Simple Profile), yuv420p, 320x240 [SAR 1:1 DAR 4:3], 60 tbr, 1200k tbn, 32768 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) [mpeg4 @ 0x7b6400001e00] time_increment_bits 3 is invalid in relation to the current bitstream, this is likely caused by a missing VOL header [mpeg4 @ 0x7b6400001e00] time_increment_bits set to 15 bits, based on bitstream analysis ================== WARNING: ThreadSanitizer: data race (pid=30833) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1943): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1941): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1943 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1941 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30872, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30833) Write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1941): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1943): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1941 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1943 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30872, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4videodec.c:1649 in mpeg4_decode_mb ================== ================== WARNING: ThreadSanitizer: data race (pid=30833) Write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1941): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1666 (ffmpeg+0x0000009fd220) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1943): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1941 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1943 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30872, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:2816 in ff_set_qscale ================== ================== WARNING: ThreadSanitizer: data race (pid=30833) Read of size 8 at 0x7b9800003018 by main thread (mutexes: write M1943): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003018 by thread T1 (mutexes: write M1941): #0 mpeg4_decode_block src/libavcodec/mpeg4videodec.c:1243 (ffmpeg+0x0000009fc0b0) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1674 (ffmpeg+0x0000009fc0b0) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1943 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1941 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30872, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30833) Read of size 8 at 0x7b9800003a60 by main thread (mutexes: write M1943): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003a64 by thread T1 (mutexes: write M1941): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2814 (ffmpeg+0x000000a4f16b) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1666 (ffmpeg+0x0000009fd220) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1943 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1941 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30872, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30833) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1943): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1941): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1943 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1941 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30872, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30833) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1943): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1941): #0 decode_slice src/libavcodec/h263dec.c:305 (ffmpeg+0x00000081df6d) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1943 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1941 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30872, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30833) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1943): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1941): #0 decode_slice src/libavcodec/h263dec.c:222 (ffmpeg+0x00000081df93) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1943 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1941 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30872, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30833) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1943): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1941): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1646 (ffmpeg+0x0000009fb1f8) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1943 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1941 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30872, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30833) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1943): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1941): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1943 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1941 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30872, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30833) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1943): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1941): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1943 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1941 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30872, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30833) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1943): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1941): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1943 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1941 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30872, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30833) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1943): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1941): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1943 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1941 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30872, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30833) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1943): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1941): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1943 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1941 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30872, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30833) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1943): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1941): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1943 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1941 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30872, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30833) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1943): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1941): #0 get_vlc2 src/libavcodec/get_bits.h:564 (ffmpeg+0x0000009fac40) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1637 (ffmpeg+0x0000009fac40) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1943 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1941 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30872, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, framecrc, to 'pipe:': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 320x240 [SAR 1:1 DAR 4:3], q=2-31, 4608 kb/s, 5 fps, 5 tbn, 5 tbc Metadata: encoder : Lavc rawvideo frame= 42 fps= 29 q=-0.0 Lsize= 2kB time=00:00:08.40 bitrate= 2.4kbits/s speed=5.72x video:4725kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown ThreadSanitizer: reported 16 warnings
diff	stderr	mpeg4-resolution-change-down-down	66	N-121793-g1eb2cbd865

No diff output recorded

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, m4v, from '/home/fate/fate-suite/mpeg4/resize_down-down.h263': Duration: N/A, start: 0.000000, bitrate: N/A Stream #0:0: Video: mpeg4 (Simple Profile), yuv420p, 640x480 [SAR 1:1 DAR 4:3], 25 tbr, 1200k tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=30634) Read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1388): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1386): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 decode_slice src/libavcodec/h263dec.c:198 (ffmpeg+0x00000081d7e2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1388 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30668, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30634) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1388): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1386): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1388 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30668, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30634) Read of size 8 at 0x7b9800003018 by main thread (mutexes: write M1388): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003018 by thread T1 (mutexes: write M1386): #0 mpeg4_decode_block src/libavcodec/mpeg4videodec.c:1243 (ffmpeg+0x0000009fc0b0) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1674 (ffmpeg+0x0000009fc0b0) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1388 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30668, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30634) Read of size 8 at 0x7b9800003a60 by main thread (mutexes: write M1388): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003a60 by thread T1: [failed to restore the stack] Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1388 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30668, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30634) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1388): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1386): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1388 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30668, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30634) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1388): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1386): #0 decode_slice src/libavcodec/h263dec.c:273 (ffmpeg+0x00000081e23c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1388 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30668, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30634) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1388): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1386): #0 decode_slice src/libavcodec/h263dec.c:277 (ffmpeg+0x00000081e2b8) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1388 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30668, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30634) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1388): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1386): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1646 (ffmpeg+0x0000009fb1f8) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1388 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30668, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30634) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1388): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1386): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1388 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30668, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30634) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1388): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1386): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1388 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30668, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30634) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1388): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1386): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1388 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30668, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30634) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1388): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1386): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1388 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30668, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30634) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1388): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1386): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1388 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30668, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30634) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1388): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1386): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1388 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30668, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30634) Read of size 8 at 0x7b98000050c8 by main thread (mutexes: write M1388): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1386): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1388 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30668, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30634) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1388): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1386): #0 get_vlc2 src/libavcodec/get_bits.h:564 (ffmpeg+0x0000009fac40) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1637 (ffmpeg+0x0000009fac40) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1388 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30668, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, framemd5, to 'pipe:': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 640x480 [SAR 1:1 DAR 4:3], q=2-31, 92160 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo frame= 150 fps= 23 q=-0.0 Lsize= 12kB time=00:00:06.00 bitrate= 16.3kbits/s speed=0.905x video:67500kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown ThreadSanitizer: reported 16 warnings
diff	stderr	mpeg4-resolution-change-down-up	66	N-121793-g1eb2cbd865

No diff output recorded

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, m4v, from '/home/fate/fate-suite/mpeg4/resize_down-up.h263': Duration: N/A, start: 0.000000, bitrate: N/A Stream #0:0: Video: mpeg4 (Simple Profile), yuv420p, 640x480 [SAR 1:1 DAR 4:3], 25 tbr, 1200k tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=30658) Read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1388): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1386): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 decode_slice src/libavcodec/h263dec.c:198 (ffmpeg+0x00000081d7e2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1388 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30673, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30658) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1388): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1386): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1388 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30673, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30658) Read of size 8 at 0x7b9800003018 by main thread (mutexes: write M1388): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003018 by thread T1 (mutexes: write M1386): #0 mpeg4_decode_block src/libavcodec/mpeg4videodec.c:1243 (ffmpeg+0x0000009fc0b0) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1674 (ffmpeg+0x0000009fc0b0) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1388 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30673, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30658) Read of size 8 at 0x7b9800003a60 by main thread (mutexes: write M1388): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003a60 by thread T1: [failed to restore the stack] Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1388 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30673, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30658) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1388): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1386): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1388 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30673, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30658) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1388): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1386): #0 decode_slice src/libavcodec/h263dec.c:273 (ffmpeg+0x00000081e23c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1388 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30673, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30658) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1388): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1386): #0 decode_slice src/libavcodec/h263dec.c:277 (ffmpeg+0x00000081e2b8) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1388 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30673, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30658) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1388): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1386): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1646 (ffmpeg+0x0000009fb1f8) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1388 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30673, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30658) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1388): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1386): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1388 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30673, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30658) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1388): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1386): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1388 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30673, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30658) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1388): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1386): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1388 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30673, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30658) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1388): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1386): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1388 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30673, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30658) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1388): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1386): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1388 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30673, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30658) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1388): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1386): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1388 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30673, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30658) Read of size 8 at 0x7b98000050c8 by main thread (mutexes: write M1388): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1386): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1388 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30673, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30658) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1388): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1386): #0 get_vlc2 src/libavcodec/get_bits.h:564 (ffmpeg+0x0000009fac40) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1637 (ffmpeg+0x0000009fac40) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1388 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30673, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, framemd5, to 'pipe:': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 640x480 [SAR 1:1 DAR 4:3], q=2-31, 92160 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo frame= 150 fps= 23 q=-0.0 Lsize= 12kB time=00:00:06.00 bitrate= 16.3kbits/s speed=0.921x video:67500kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown ThreadSanitizer: reported 16 warnings
diff	stderr	mpeg4-resolution-change-up-down	66	N-121793-g1eb2cbd865

No diff output recorded

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, m4v, from '/home/fate/fate-suite/mpeg4/resize_up-down.h263': Duration: N/A, start: 0.000000, bitrate: N/A Stream #0:0: Video: mpeg4 (Simple Profile), yuv420p, 400x300 [SAR 1:1 DAR 4:3], 25 tbr, 1200k tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=30680) Read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1399): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1397): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 decode_slice src/libavcodec/h263dec.c:198 (ffmpeg+0x00000081d7e2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1399 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1397 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30705, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30680) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1399): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1397): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1399 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1397 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30705, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30680) Read of size 8 at 0x7b9800003018 by main thread (mutexes: write M1399): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003018 by thread T1 (mutexes: write M1397): #0 mpeg4_decode_block src/libavcodec/mpeg4videodec.c:1243 (ffmpeg+0x0000009fc0b0) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1674 (ffmpeg+0x0000009fc0b0) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1399 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1397 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30705, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30680) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1399): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1397): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1399 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1397 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30705, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30680) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1399): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1397): #0 decode_slice src/libavcodec/h263dec.c:273 (ffmpeg+0x00000081e23c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1399 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1397 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30705, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30680) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1399): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1397): #0 decode_slice src/libavcodec/h263dec.c:277 (ffmpeg+0x00000081e2b8) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1399 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1397 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30705, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30680) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1399): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1397): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1646 (ffmpeg+0x0000009fb1f8) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1399 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1397 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30705, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30680) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1399): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1397): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1399 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1397 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30705, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30680) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1399): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1397): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1399 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1397 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30705, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30680) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1399): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1397): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1399 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1397 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30705, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30680) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1399): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1397): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1399 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1397 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30705, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30680) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1399): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1397): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1399 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1397 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30705, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30680) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1399): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1397): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1399 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1397 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30705, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30680) Read of size 8 at 0x7b9800004f60 by main thread (mutexes: write M1399): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004f60 by thread T1: [failed to restore the stack] Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1399 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30705, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30680) Read of size 8 at 0x7b98000050c8 by main thread (mutexes: write M1399): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1397): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1399 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1397 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30705, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30680) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1399): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1397): #0 get_vlc2 src/libavcodec/get_bits.h:564 (ffmpeg+0x0000009fac40) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1637 (ffmpeg+0x0000009fac40) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1399 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1397 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30705, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, framemd5, to 'pipe:': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 400x300 [SAR 1:1 DAR 4:3], q=2-31, 36000 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo frame= 150 fps= 30 q=-0.0 Lsize= 12kB time=00:00:06.00 bitrate= 16.3kbits/s speed=1.22x video:26367kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown ThreadSanitizer: reported 16 warnings
diff	stderr	mpeg4-resolution-change-up-up	66	N-121793-g1eb2cbd865

No diff output recorded

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, m4v, from '/home/fate/fate-suite/mpeg4/resize_up-up.h263': Duration: N/A, start: 0.000000, bitrate: N/A Stream #0:0: Video: mpeg4 (Simple Profile), yuv420p, 352x288 [SAR 1:1 DAR 11:9], 25 tbr, 1200k tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=30717) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1381): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1379): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1381 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1379 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30727, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30717) Write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1379): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1381): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1379 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1381 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30727, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4videodec.c:1649 in mpeg4_decode_mb ================== ================== WARNING: ThreadSanitizer: data race (pid=30717) Read of size 8 at 0x7b9800003018 by main thread (mutexes: write M1381): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003018 by thread T1 (mutexes: write M1379): #0 mpeg4_decode_block src/libavcodec/mpeg4videodec.c:1243 (ffmpeg+0x0000009fc0b0) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1674 (ffmpeg+0x0000009fc0b0) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1381 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1379 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30727, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30717) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1381): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1379): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1381 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1379 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30727, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30717) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1381): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1379): #0 decode_slice src/libavcodec/h263dec.c:273 (ffmpeg+0x00000081e23c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1381 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1379 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30727, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30717) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1381): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1379): #0 decode_slice src/libavcodec/h263dec.c:277 (ffmpeg+0x00000081e2b8) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1381 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1379 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30727, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30717) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1381): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1379): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1646 (ffmpeg+0x0000009fb1f8) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1381 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1379 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30727, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30717) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1381): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1379): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1381 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1379 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30727, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30717) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1381): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1379): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1381 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1379 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30727, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30717) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1381): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1379): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1381 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1379 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30727, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30717) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1381): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1379): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1381 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1379 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30727, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30717) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1381): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1379): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1381 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1379 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30727, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30717) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1381): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1379): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1381 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1379 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30727, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30717) Read of size 8 at 0x7b98000050c8 by main thread (mutexes: write M1381): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1379): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1381 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1379 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30727, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=30717) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1381): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1379): #0 get_vlc2 src/libavcodec/get_bits.h:564 (ffmpeg+0x0000009fac40) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1637 (ffmpeg+0x0000009fac40) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1381 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1379 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=30727, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, framemd5, to 'pipe:': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288 [SAR 1:1 DAR 11:9], q=2-31, 30412 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo frame= 150 fps= 33 q=-0.0 Lsize= 12kB time=00:00:06.00 bitrate= 16.3kbits/s speed=1.31x video:22275kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown ThreadSanitizer: reported 15 warnings
diff	stderr	rv30	66	N-121824-g775b102182

No diff output recorded

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, rm, from '/home/fate/fate-suite/real/rv30.rm': Metadata: Target Audiences: 512K DSL/Cable Modem (450 Kbps); Audio Format : Voice Only Video Quality : Normal Motion Video Creation Date : 4/7/2002 14:28:05 Modification Date: 4/7/2002 14:28:05 Generated By : RealProducer Plus 8.5.0.200 Windows Keywords : blowfish-toons.com @ cosmos Abstract : blowfish-toons.com @ cosmos Content Rating : (PICS-1.1 "http://www.classify.org/safesurf" labels comment "RealProducer Plus 8.5.0.200 Windows" ratings (SS~~000 1)) File ID : 36ea296e-573d-3fed-2f91-5db8a25bafc9 title : blowfish-toons.com @ cosmos author : blowfish-toons.com @ cosmos copyright : blowfish-toons.com @ cosmos comment : Duration: 00:22:30.47, start: 0.000000, bitrate: 1 kb/s Stream #0:0: Audio: cook (cook / 0x6B6F6F63), 44100 Hz, mono, fltp, 64 kb/s Stream #0:1: Video: rv30 (RV30 / 0x30335652), yuv420p, 352x240, 385 kb/s, 29.97 fps, 29.97 tbr, 1k tbn, 1k tbc Stream mapping: Stream #0:1 -> #0:0 (rv30 (native) -> rawvideo (native)) Output #0, framecrc, to 'pipe:': Metadata: Target Audiences: 512K DSL/Cable Modem (450 Kbps); Audio Format : Voice Only Video Quality : Normal Motion Video Creation Date : 4/7/2002 14:28:05 Modification Date: 4/7/2002 14:28:05 Generated By : RealProducer Plus 8.5.0.200 Windows Keywords : blowfish-toons.com @ cosmos Abstract : blowfish-toons.com @ cosmos Content Rating : (PICS-1.1 "http://www.classify.org/safesurf" labels comment "RealProducer Plus 8.5.0.200 Windows" ratings (SS~~000 1)) File ID : 36ea296e-573d-3fed-2f91-5db8a25bafc9 title : blowfish-toons.com @ cosmos author : blowfish-toons.com @ cosmos copyright : blowfish-toons.com @ cosmos comment : Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x240, q=2-31, 30382 kb/s, 29.97 fps, 29.97 tbn, 29.97 tbc Metadata: encoder : Lavc rawvideo ================== WARNING: ThreadSanitizer: data race (pid=18919) Read of size 8 at 0x7b4c00021e30 by thread T1 (mutexes: write M1475): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:45 (ffmpeg+0x000000a3895a) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3895a) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 1 at 0x7b4c00021e35 by thread T2 (mutexes: write M1478): #0 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1232 (ffmpeg+0x000000b64630) #1 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b64630) #2 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 392 at 0x7b4c00021cc0 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:45 (ffmpeg+0x000000a3895a) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3895a) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Write of size 4 at 0x7b6c00017abc by thread T1 (mutexes: write M1475): #0 rv34_decode_inter_mb_header src/libavcodec/rv34.c:398 (ffmpeg+0x000000b62eaa) #1 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b62eaa) #2 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b62eaa) #3 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b6c00017ab8 by thread T2: [failed to restore the stack] Location is heap block of size 1568 at 0x7b6c00017a00 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:46 (ffmpeg+0x000000a3897d) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3897d) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rv34.c:398 in rv34_decode_inter_mb_header ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Write of size 4 at 0x7b8800036010 by thread T1 (mutexes: write M1475): #0 fill_rectangle src/libavcodec/rectangle.h:61 (ffmpeg+0x000000b670a7) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b670a7) #2 rv34_decode_mv src/libavcodec/rv34.c:895 (ffmpeg+0x000000b670a7) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b670a7) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b670a7) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b670a7) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b8800036010 by thread T2: [failed to restore the stack] Location is heap block of size 5416 at 0x7b8800036000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rectangle.h:61 in fill_rectangle ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Write of size 4 at 0x7b88000360c4 by thread T1 (mutexes: write M1475): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b670b5) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b670b5) #2 rv34_decode_mv src/libavcodec/rv34.c:895 (ffmpeg+0x000000b670b5) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b670b5) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b670b5) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b670b5) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b88000360c0 by thread T2: [failed to restore the stack] Location is heap block of size 5416 at 0x7b8800036000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rectangle.h:63 in fill_rectangle ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Write of size 4 at 0x7b88000360c8 by thread T1 (mutexes: write M1475): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b670da) #1 ZERO8x2 src/libavcodec/rv34.c:49 (ffmpeg+0x000000b670da) #2 rv34_decode_mv src/libavcodec/rv34.c:895 (ffmpeg+0x000000b670da) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b670da) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b670da) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b670da) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b88000360c8 by thread T2: [failed to restore the stack] Location is heap block of size 5416 at 0x7b8800036000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rectangle.h:63 in fill_rectangle ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Write of size 4 at 0x7b8800037810 by thread T1 (mutexes: write M1475): #0 fill_rectangle src/libavcodec/rectangle.h:61 (ffmpeg+0x000000b6713c) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b6713c) #2 rv34_decode_mv src/libavcodec/rv34.c:896 (ffmpeg+0x000000b6713c) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6713c) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6713c) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6713c) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b8800037810 by thread T2: [failed to restore the stack] Location is heap block of size 5416 at 0x7b8800037800 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rectangle.h:61 in fill_rectangle ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Write of size 4 at 0x7b88000378c4 by thread T1 (mutexes: write M1475): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b6714b) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b6714b) #2 rv34_decode_mv src/libavcodec/rv34.c:896 (ffmpeg+0x000000b6714b) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6714b) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6714b) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6714b) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b88000378c0 by thread T2: [failed to restore the stack] Location is heap block of size 5416 at 0x7b8800037800 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rectangle.h:63 in fill_rectangle ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Write of size 4 at 0x7b88000378c8 by thread T1 (mutexes: write M1475): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b6716b) #1 ZERO8x2 src/libavcodec/rv34.c:49 (ffmpeg+0x000000b6716b) #2 rv34_decode_mv src/libavcodec/rv34.c:896 (ffmpeg+0x000000b6716b) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6716b) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6716b) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6716b) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b88000378c8 by thread T2: [failed to restore the stack] Location is heap block of size 5416 at 0x7b8800037800 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rectangle.h:63 in fill_rectangle ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Write of size 1 at 0x7b4c00011f2f by thread T1 (mutexes: write M1475): #0 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1232 (ffmpeg+0x000000b64630) #1 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b64630) #2 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b4c00011f28 by thread T2: [failed to restore the stack] Location is heap block of size 392 at 0x7b4c00011f00 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:45 (ffmpeg+0x000000a3895a) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3895a) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rv34.c:1232 in rv34_decode_inter_macroblock ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Write of size 4 at 0x7b8800036028 by thread T1 (mutexes: write M1475): #0 fill_rectangle src/libavcodec/rectangle.h:61 (ffmpeg+0x000000b67029) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b67029) #2 rv34_decode_mv src/libavcodec/rv34.c:879 (ffmpeg+0x000000b67029) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b67029) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b67029) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b67029) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b8800036028 by thread T2: [failed to restore the stack] Location is heap block of size 5416 at 0x7b8800036000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rectangle.h:61 in fill_rectangle ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Write of size 4 at 0x7b88000360e0 by thread T1 (mutexes: write M1475): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b6705c) #1 ZERO8x2 src/libavcodec/rv34.c:49 (ffmpeg+0x000000b6705c) #2 rv34_decode_mv src/libavcodec/rv34.c:879 (ffmpeg+0x000000b6705c) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6705c) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6705c) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6705c) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b88000360e0 by thread T2: [failed to restore the stack] Location is heap block of size 5416 at 0x7b8800036000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rectangle.h:63 in fill_rectangle ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Read of size 8 at 0x7b4c00022068 by thread T1 (mutexes: write M1475): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:45 (ffmpeg+0x000000a3895a) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3895a) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 1 at 0x7b4c0002206f by thread T2: [failed to restore the stack] Location is heap block of size 392 at 0x7b4c00022040 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:45 (ffmpeg+0x000000a3895a) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3895a) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Read of size 8 at 0x7b6c000284b8 by thread T1 (mutexes: write M1475): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:46 (ffmpeg+0x000000a3897d) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3897d) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b6c000284bc by thread T2: [failed to restore the stack] Location is heap block of size 1568 at 0x7b6c00028400 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:46 (ffmpeg+0x000000a3897d) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3897d) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Read of size 8 at 0x7b6c000287f8 by thread T1 (mutexes: write M1475): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:46 (ffmpeg+0x000000a3897d) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3897d) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b6c000287f8 by thread T2 (mutexes: write M1478): #0 rv34_decode_inter_mb_header src/libavcodec/rv34.c:398 (ffmpeg+0x000000b62eaa) #1 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b62eaa) #2 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b62eaa) #3 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 1568 at 0x7b6c00028400 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:46 (ffmpeg+0x000000a3897d) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3897d) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Read of size 8 at 0x7b8800022820 by thread T1 (mutexes: write M1475): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b8800022820 by thread T2: [failed to restore the stack] Location is heap block of size 5416 at 0x7b8800022800 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Read of size 8 at 0x7b8800023520 by thread T1 (mutexes: write M1475): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b8800023524 by thread T2 (mutexes: write M1478): #0 fill_rectangle src/libavcodec/rectangle.h:61 (ffmpeg+0x000000b670c6) #1 ZERO8x2 src/libavcodec/rv34.c:49 (ffmpeg+0x000000b670c6) #2 rv34_decode_mv src/libavcodec/rv34.c:895 (ffmpeg+0x000000b670c6) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b670c6) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b670c6) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b670c6) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b8800022800 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Read of size 8 at 0x7b8800023568 by thread T1 (mutexes: write M1475): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b880002356c by thread T2 (mutexes: write M1478): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b67037) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b67037) #2 rv34_decode_mv src/libavcodec/rv34.c:879 (ffmpeg+0x000000b67037) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b67037) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b67037) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b67037) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b8800022800 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Read of size 8 at 0x7b8800023610 by thread T1 (mutexes: write M1475): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b8800023614 by thread T2 (mutexes: write M1478): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b670b5) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b670b5) #2 rv34_decode_mv src/libavcodec/rv34.c:895 (ffmpeg+0x000000b670b5) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b670b5) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b670b5) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b670b5) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b8800022800 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Read of size 8 at 0x7b88000236a8 by thread T1 (mutexes: write M1475): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b88000236a8 by thread T2 (mutexes: write M1478): #0 fill_rectangle src/libavcodec/rectangle.h:61 (ffmpeg+0x000000b67029) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b67029) #2 rv34_decode_mv src/libavcodec/rv34.c:879 (ffmpeg+0x000000b67029) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b67029) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b67029) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b67029) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b8800022800 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Read of size 8 at 0x7b8800023a50 by thread T1 (mutexes: write M1475): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b8800023a50 by thread T2 (mutexes: write M1478): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b6705c) #1 ZERO8x2 src/libavcodec/rv34.c:49 (ffmpeg+0x000000b6705c) #2 rv34_decode_mv src/libavcodec/rv34.c:879 (ffmpeg+0x000000b6705c) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6705c) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6705c) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6705c) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b8800022800 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Read of size 8 at 0x7b8800023bc0 by thread T1 (mutexes: write M1475): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b8800023bc4 by thread T2 (mutexes: write M1478): #0 fill_rectangle src/libavcodec/rectangle.h:61 (ffmpeg+0x000000b639da) #1 ZERO8x2 src/libavcodec/rv34.c:49 (ffmpeg+0x000000b639da) #2 rv34_decode_mv src/libavcodec/rv34.c:907 (ffmpeg+0x000000b639da) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b639da) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b639da) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b639da) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b8800022800 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Read of size 8 at 0x7b8800024010 by thread T1 (mutexes: write M1475): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b8800024010 by thread T2: [failed to restore the stack] Location is heap block of size 5416 at 0x7b8800024000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Read of size 8 at 0x7b8800024ce8 by thread T1 (mutexes: write M1475): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b8800024ce8 by thread T2 (mutexes: write M1478): #0 fill_rectangle src/libavcodec/rectangle.h:61 (ffmpeg+0x000000b6713c) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b6713c) #2 rv34_decode_mv src/libavcodec/rv34.c:896 (ffmpeg+0x000000b6713c) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6713c) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6713c) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6713c) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b8800024000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Read of size 8 at 0x7b8800024d08 by thread T1 (mutexes: write M1475): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b8800024d0c by thread T2 (mutexes: write M1478): #0 fill_rectangle src/libavcodec/rectangle.h:61 (ffmpeg+0x000000b6715c) #1 ZERO8x2 src/libavcodec/rv34.c:49 (ffmpeg+0x000000b6715c) #2 rv34_decode_mv src/libavcodec/rv34.c:896 (ffmpeg+0x000000b6715c) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6715c) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6715c) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6715c) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b8800024000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Read of size 8 at 0x7b8800024d98 by thread T1 (mutexes: write M1475): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b8800024d9c by thread T2 (mutexes: write M1478): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b6714b) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b6714b) #2 rv34_decode_mv src/libavcodec/rv34.c:896 (ffmpeg+0x000000b6714b) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6714b) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6714b) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6714b) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b8800024000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Read of size 8 at 0x7b8800024da0 by thread T1 (mutexes: write M1475): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b8800024da0 by thread T2 (mutexes: write M1478): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b6716b) #1 ZERO8x2 src/libavcodec/rv34.c:49 (ffmpeg+0x000000b6716b) #2 rv34_decode_mv src/libavcodec/rv34.c:896 (ffmpeg+0x000000b6716b) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6716b) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6716b) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6716b) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b8800024000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Read of size 8 at 0x7b880001b010 by thread T2 (mutexes: write M1478): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b880001b010 by thread T1 (mutexes: write M1475): #0 rv34_pred_mv_rv3 src/libavcodec/rv34.c:641 (ffmpeg+0x000000b6662a) #1 rv34_decode_mv src/libavcodec/rv34.c:919 (ffmpeg+0x000000b6662a) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6662a) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6662a) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6662a) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b880001b000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Read of size 8 at 0x7b880001b0c0 by thread T2 (mutexes: write M1478): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b880001b0c4 by thread T1 (mutexes: write M1475): #0 rv34_pred_mv_rv3 src/libavcodec/rv34.c:641 (ffmpeg+0x000000b6672e) #1 rv34_decode_mv src/libavcodec/rv34.c:919 (ffmpeg+0x000000b6672e) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6672e) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6672e) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6672e) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b880001b000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Read of size 8 at 0x7b880001b0c8 by thread T2 (mutexes: write M1478): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b880001b0c8 by thread T1 (mutexes: write M1475): #0 rv34_pred_mv_rv3 src/libavcodec/rv34.c:641 (ffmpeg+0x000000b66787) #1 rv34_decode_mv src/libavcodec/rv34.c:919 (ffmpeg+0x000000b66787) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b66787) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b66787) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b66787) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b880001b000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Read of size 8 at 0x7b880001b2e0 by thread T2 (mutexes: write M1478): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b880001b2e0 by thread T1 (mutexes: write M1475): #0 fill_rectangle src/libavcodec/rectangle.h:61 (ffmpeg+0x000000b670a7) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b670a7) #2 rv34_decode_mv src/libavcodec/rv34.c:895 (ffmpeg+0x000000b670a7) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b670a7) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b670a7) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b670a7) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b880001b000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Read of size 8 at 0x7b880001b360 by thread T2 (mutexes: write M1478): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b880001b366 by thread T1 (mutexes: write M1475): #0 rv34_pred_mv_rv3 src/libavcodec/rv34.c:642 (ffmpeg+0x000000b666cf) #1 rv34_decode_mv src/libavcodec/rv34.c:919 (ffmpeg+0x000000b666cf) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b666cf) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b666cf) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b666cf) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b880001b000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Read of size 8 at 0x7b880001b368 by thread T2 (mutexes: write M1478): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b880001b36c by thread T1 (mutexes: write M1475): #0 fill_rectangle src/libavcodec/rectangle.h:61 (ffmpeg+0x000000b67048) #1 ZERO8x2 src/libavcodec/rv34.c:49 (ffmpeg+0x000000b67048) #2 rv34_decode_mv src/libavcodec/rv34.c:879 (ffmpeg+0x000000b67048) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b67048) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b67048) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b67048) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b880001b000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Read of size 8 at 0x7b880001b410 by thread T2 (mutexes: write M1478): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b880001b410 by thread T1 (mutexes: write M1475): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b670da) #1 ZERO8x2 src/libavcodec/rv34.c:49 (ffmpeg+0x000000b670da) #2 rv34_decode_mv src/libavcodec/rv34.c:895 (ffmpeg+0x000000b670da) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b670da) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b670da) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b670da) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b880001b000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Read of size 8 at 0x7b880001b640 by thread T2 (mutexes: write M1478): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b880001b644 by thread T1 (mutexes: write M1475): #0 rv34_pred_mv_rv3 src/libavcodec/rv34.c:641 (ffmpeg+0x000000b666be) #1 rv34_decode_mv src/libavcodec/rv34.c:919 (ffmpeg+0x000000b666be) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b666be) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b666be) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b666be) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b880001b000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Read of size 8 at 0x7b880001b6f8 by thread T2 (mutexes: write M1478): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b880001b6fa by thread T1 (mutexes: write M1475): #0 rv34_pred_mv_rv3 src/libavcodec/rv34.c:642 (ffmpeg+0x000000b66795) #1 rv34_decode_mv src/libavcodec/rv34.c:919 (ffmpeg+0x000000b66795) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b66795) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b66795) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b66795) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b880001b000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Read of size 8 at 0x7b880001c810 by thread T2 (mutexes: write M1478): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b880001c816 by thread T1 (mutexes: write M1475): #0 rv34_pred_mv_rv3 src/libavcodec/rv34.c:642 (ffmpeg+0x000000b66700) #1 rv34_decode_mv src/libavcodec/rv34.c:919 (ffmpeg+0x000000b66700) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b66700) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b66700) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b66700) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b880001c800 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Read of size 8 at 0x7b880001c8c0 by thread T2 (mutexes: write M1478): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b880001c8c4 by thread T1 (mutexes: write M1475): #0 rv34_pred_mv_rv3 src/libavcodec/rv34.c:641 (ffmpeg+0x000000b66755) #1 rv34_decode_mv src/libavcodec/rv34.c:919 (ffmpeg+0x000000b66755) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b66755) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b66755) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b66755) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b880001c800 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Read of size 8 at 0x7b880001c8c8 by thread T2 (mutexes: write M1478): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b880001c8c8 by thread T1 (mutexes: write M1475): #0 rv34_pred_mv_rv3 src/libavcodec/rv34.c:641 (ffmpeg+0x000000b667a6) #1 rv34_decode_mv src/libavcodec/rv34.c:919 (ffmpeg+0x000000b667a6) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b667a6) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b667a6) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b667a6) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b880001c800 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Read of size 8 at 0x7b880001cb60 by thread T2 (mutexes: write M1478): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b880001cb60 by thread T1 (mutexes: write M1475): #0 rv34_pred_mv_rv3 src/libavcodec/rv34.c:641 (ffmpeg+0x000000b6667e) #1 rv34_decode_mv src/libavcodec/rv34.c:919 (ffmpeg+0x000000b6667e) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6667e) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6667e) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6667e) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b880001c800 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Write of size 2 at 0x7b880001bb88 by thread T1 (mutexes: write M1475): #0 rv34_pred_mv_rv3 src/libavcodec/rv34.c:641 (ffmpeg+0x000000b6662a) #1 rv34_decode_mv src/libavcodec/rv34.c:919 (ffmpeg+0x000000b6662a) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6662a) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6662a) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6662a) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b880001bb88 by thread T2: [failed to restore the stack] Location is heap block of size 5416 at 0x7b880001b000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rv34.c:641 in rv34_pred_mv_rv3 ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Write of size 2 at 0x7b880001d388 by thread T1 (mutexes: write M1475): #0 rv34_pred_mv_rv3 src/libavcodec/rv34.c:641 (ffmpeg+0x000000b6667e) #1 rv34_decode_mv src/libavcodec/rv34.c:919 (ffmpeg+0x000000b6667e) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6667e) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6667e) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6667e) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b880001d388 by thread T2: [failed to restore the stack] Location is heap block of size 5416 at 0x7b880001c800 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rv34.c:641 in rv34_pred_mv_rv3 ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Write of size 2 at 0x7b880001bc40 by thread T1 (mutexes: write M1475): #0 rv34_pred_mv_rv3 src/libavcodec/rv34.c:641 (ffmpeg+0x000000b66787) #1 rv34_decode_mv src/libavcodec/rv34.c:919 (ffmpeg+0x000000b66787) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b66787) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b66787) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b66787) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b880001bc40 by thread T2: [failed to restore the stack] Location is heap block of size 5416 at 0x7b880001b000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rv34.c:641 in rv34_pred_mv_rv3 ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Write of size 2 at 0x7b880001d440 by thread T1 (mutexes: write M1475): #0 rv34_pred_mv_rv3 src/libavcodec/rv34.c:641 (ffmpeg+0x000000b667a6) #1 rv34_decode_mv src/libavcodec/rv34.c:919 (ffmpeg+0x000000b667a6) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b667a6) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b667a6) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b667a6) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b880001d440 by thread T2: [failed to restore the stack] Location is heap block of size 5416 at 0x7b880001c800 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rv34.c:641 in rv34_pred_mv_rv3 ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Read of size 8 at 0x7b880002d010 by thread T2 (mutexes: write M1478): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b880002d012 by thread T1 (mutexes: write M1475): #0 rv34_decode_mv src/libavcodec/rv34.c:902 (ffmpeg+0x000000b635f7) #1 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b635f7) #2 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b635f7) #3 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b635f7) #4 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b880002d000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18919) Write of size 2 at 0x7b880002d038 by thread T1 (mutexes: write M1475): #0 rv34_decode_mv src/libavcodec/rv34.c:902 (ffmpeg+0x000000b63556) #1 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b63556) #2 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b63556) #3 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b63556) #4 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b880002d038 by thread T2 (mutexes: write M1478): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 5416 at 0x7b880002d000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1475 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1478 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18939, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18940, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rv34.c:902 in rv34_decode_mv ================== frame= 109 fps= 15 q=-0.0 Lsize= 6kB time=00:00:03.63 bitrate= 14.1kbits/s speed=0.499x video:13489kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown ThreadSanitizer: reported 45 warnings
diff	stderr	rv40	66	N-121824-g775b102182

No diff output recorded

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, rm, from '/home/fate/fate-suite/real/spygames-2MB.rmvb': Metadata: title : author : copyright : comment : ASMRuleBook : #($Bandwidth >= 0),Stream0Bandwidth = 96468, Stream1Bandwidth = 703532; Audiences : AutoRV9_Movie; audioMode : music Creation Date : 10/11/2002 4:59:17 Generated By : Helix Producer Basic from RealNetworks9.0.0.972 Windows Modification Date: 10/11/2002 4:59:17 videoMode : sharp Duration: 02:01:27.35, start: 0.000000, bitrate: 2 kb/s Stream #0:0: Audio: cook (cook / 0x6B6F6F63), 44100 Hz, stereo, fltp, 96 kb/s Stream #0:1: Video: rv40 (RV40 / 0x30345652), yuv420p, 576x320, 700 kb/s, 23.98 fps, 23.98 tbr, 1k tbn, 1k tbc Stream mapping: Stream #0:1 -> #0:0 (rv40 (native) -> rawvideo (native)) Output #0, framecrc, to 'pipe:': Metadata: title : author : copyright : comment : ASMRuleBook : #($Bandwidth >= 0),Stream0Bandwidth = 96468, Stream1Bandwidth = 703532; Audiences : AutoRV9_Movie; audioMode : music Creation Date : 10/11/2002 4:59:17 Generated By : Helix Producer Basic from RealNetworks9.0.0.972 Windows Modification Date: 10/11/2002 4:59:17 videoMode : sharp Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 576x320, q=2-31, 53031 kb/s, 23.98 fps, 23.98 tbn, 23.98 tbc Metadata: encoder : Lavc rawvideo ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b5c00017dc8 by thread T2 (mutexes: write M1487): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:45 (ffmpeg+0x000000a3895a) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3895a) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 1 at 0x7b5c00017dcd by thread T1: [failed to restore the stack] Location is heap block of size 815 at 0x7b5c00017d80 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:45 (ffmpeg+0x000000a3895a) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3895a) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b5c00017fb8 by thread T2 (mutexes: write M1487): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:45 (ffmpeg+0x000000a3895a) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3895a) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 1 at 0x7b5c00017fbf by thread T1 (mutexes: write M1484): #0 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1232 (ffmpeg+0x000000b64630) #1 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b64630) #2 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 815 at 0x7b5c00017d80 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:45 (ffmpeg+0x000000a3895a) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3895a) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b7c00027728 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:46 (ffmpeg+0x000000a3897d) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3897d) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b7c0002772c by thread T2: [failed to restore the stack] Location is heap block of size 3260 at 0x7b7c00027600 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:46 (ffmpeg+0x000000a3897d) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3897d) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b7c00027918 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:46 (ffmpeg+0x000000a3897d) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3897d) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b7c00027918 by thread T2 (mutexes: write M1487): #0 rv34_decode_inter_mb_header src/libavcodec/rv34.c:398 (ffmpeg+0x000000b62eaa) #1 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b62eaa) #2 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b62eaa) #3 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 3260 at 0x7b7c00027600 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:46 (ffmpeg+0x000000a3897d) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3897d) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b980004b028 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b980004b028 by thread T2: [failed to restore the stack] Location is heap block of size 11696 at 0x7b980004b000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b980004b748 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b980004b74c by thread T2 (mutexes: write M1487): #0 fill_rectangle src/libavcodec/rectangle.h:61 (ffmpeg+0x000000b670c6) #1 ZERO8x2 src/libavcodec/rv34.c:49 (ffmpeg+0x000000b670c6) #2 rv34_decode_mv src/libavcodec/rv34.c:895 (ffmpeg+0x000000b670c6) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b670c6) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b670c6) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b670c6) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b980004b000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b980004b758 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b980004b758 by thread T2 (mutexes: write M1487): #0 fill_rectangle src/libavcodec/rectangle.h:61 (ffmpeg+0x000000b639b9) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b639b9) #2 rv34_decode_mv src/libavcodec/rv34.c:907 (ffmpeg+0x000000b639b9) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b639b9) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b639b9) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b639b9) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b980004b000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b980004b760 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b980004b762 by thread T2 (mutexes: write M1487): #0 rv34_decode_mv src/libavcodec/rv34.c:902 (ffmpeg+0x000000b635f7) #1 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b635f7) #2 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b635f7) #3 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b635f7) #4 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b980004b000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b980004b878 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b980004b87e by thread T2 (mutexes: write M1487): #0 rv34_decode_mv src/libavcodec/rv34.c:902 (ffmpeg+0x000000b637f1) #1 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b637f1) #2 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b637f1) #3 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b637f1) #4 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b980004b000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b980004b880 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b980004b880 by thread T2 (mutexes: write M1487): #0 rv34_decode_mv src/libavcodec/rv34.c:902 (ffmpeg+0x000000b6387c) #1 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6387c) #2 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6387c) #3 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6387c) #4 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b980004b000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b980004bab8 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b980004bab8 by thread T2 (mutexes: write M1487): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b639eb) #1 ZERO8x2 src/libavcodec/rv34.c:49 (ffmpeg+0x000000b639eb) #2 rv34_decode_mv src/libavcodec/rv34.c:907 (ffmpeg+0x000000b639eb) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b639eb) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b639eb) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b639eb) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b980004b000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b980004bac0 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b980004bac4 by thread T2 (mutexes: write M1487): #0 rv34_decode_mv src/libavcodec/rv34.c:902 (ffmpeg+0x000000b6378b) #1 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6378b) #2 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6378b) #3 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6378b) #4 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b980004b000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b980004bae8 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b980004bae8 by thread T2 (mutexes: write M1487): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b6705c) #1 ZERO8x2 src/libavcodec/rv34.c:49 (ffmpeg+0x000000b6705c) #2 rv34_decode_mv src/libavcodec/rv34.c:879 (ffmpeg+0x000000b6705c) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6705c) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6705c) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6705c) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b980004b000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b980004bb70 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b980004bb70 by thread T2 (mutexes: write M1487): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b670da) #1 ZERO8x2 src/libavcodec/rv34.c:49 (ffmpeg+0x000000b670da) #2 rv34_decode_mv src/libavcodec/rv34.c:895 (ffmpeg+0x000000b670da) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b670da) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b670da) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b670da) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b980004b000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b980004bb90 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b980004bb90 by thread T2 (mutexes: write M1487): #0 rv34_decode_mv src/libavcodec/rv34.c:902 (ffmpeg+0x000000b63556) #1 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b63556) #2 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b63556) #3 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b63556) #4 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b980004b000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b980004bba0 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b980004bba0 by thread T2 (mutexes: write M1487): #0 rv34_pred_mv_b src/libavcodec/rv34.c:590 (ffmpeg+0x000000b5b8b2) #1 rv34_decode_mv src/libavcodec/rv34.c:921 (ffmpeg+0x000000b68d07) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b68d07) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b68d07) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b68d07) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b980004b000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b980004bbb0 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b980004bbb6 by thread T2 (mutexes: write M1487): #0 rv34_decode_mv src/libavcodec/rv34.c:902 (ffmpeg+0x000000b636f8) #1 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b636f8) #2 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b636f8) #3 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b636f8) #4 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b980004b000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b980004bc08 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b980004bc0e by thread T2 (mutexes: write M1487): #0 rv34_pred_mv_b src/libavcodec/rv34.c:591 (ffmpeg+0x000000b5b8e3) #1 rv34_decode_mv src/libavcodec/rv34.c:921 (ffmpeg+0x000000b68d07) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b68d07) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b68d07) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b68d07) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b980004b000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b980004bcb0 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b980004bcb4 by thread T2 (mutexes: write M1487): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b639c9) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b639c9) #2 rv34_decode_mv src/libavcodec/rv34.c:907 (ffmpeg+0x000000b639c9) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b639c9) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b639c9) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b639c9) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b980004b000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b980004bcb8 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b980004bcba by thread T2 (mutexes: write M1487): #0 rv34_decode_mv src/libavcodec/rv34.c:902 (ffmpeg+0x000000b638d8) #1 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b638d8) #2 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b638d8) #3 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b638d8) #4 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b980004b000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b980004bcc0 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b980004bcc6 by thread T2 (mutexes: write M1487): #0 rv34_pred_mv_b src/libavcodec/rv34.c:591 (ffmpeg+0x000000b5b8bf) #1 rv34_decode_mv src/libavcodec/rv34.c:921 (ffmpeg+0x000000b68d07) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b68d07) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b68d07) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b68d07) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b980004b000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b980004bcc8 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b980004bcc8 by thread T2 (mutexes: write M1487): #0 rv34_pred_mv_b src/libavcodec/rv34.c:590 (ffmpeg+0x000000b5b8d6) #1 rv34_decode_mv src/libavcodec/rv34.c:921 (ffmpeg+0x000000b68d07) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b68d07) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b68d07) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b68d07) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b980004b000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b980004bcd0 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b980004bcd0 by thread T2 (mutexes: write M1487): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b5b970) #1 ZERO8x2 src/libavcodec/rv34.c:49 (ffmpeg+0x000000b5b970) #2 rv34_pred_mv_b src/libavcodec/rv34.c:595 (ffmpeg+0x000000b5b970) #3 rv34_decode_mv src/libavcodec/rv34.c:921 (ffmpeg+0x000000b68d07) #4 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b68d07) #5 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b68d07) #6 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b68d07) #7 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #8 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b980004b000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b980004bdf0 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b980004bdf4 by thread T2 (mutexes: write M1487): #0 fill_rectangle src/libavcodec/rectangle.h:61 (ffmpeg+0x000000b5b961) #1 ZERO8x2 src/libavcodec/rv34.c:49 (ffmpeg+0x000000b5b961) #2 rv34_pred_mv_b src/libavcodec/rv34.c:595 (ffmpeg+0x000000b5b961) #3 rv34_decode_mv src/libavcodec/rv34.c:921 (ffmpeg+0x000000b68d07) #4 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b68d07) #5 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b68d07) #6 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b68d07) #7 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #8 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b980004b000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b980004be50 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b980004be50 by thread T2 (mutexes: write M1487): #0 fill_rectangle src/libavcodec/rectangle.h:61 (ffmpeg+0x000000b5b92d) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b5b92d) #2 rv34_pred_mv_b src/libavcodec/rv34.c:595 (ffmpeg+0x000000b5b92d) #3 rv34_decode_mv src/libavcodec/rv34.c:921 (ffmpeg+0x000000b68d07) #4 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b68d07) #5 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b68d07) #6 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b68d07) #7 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #8 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b980004b000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b980004bed8 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b980004bedc by thread T2 (mutexes: write M1487): #0 fill_rectangle src/libavcodec/rectangle.h:61 (ffmpeg+0x000000b639da) #1 ZERO8x2 src/libavcodec/rv34.c:49 (ffmpeg+0x000000b639da) #2 rv34_decode_mv src/libavcodec/rv34.c:907 (ffmpeg+0x000000b639da) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b639da) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b639da) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b639da) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b980004b000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b980004bee0 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b980004bee4 by thread T2 (mutexes: write M1487): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b670b5) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b670b5) #2 rv34_decode_mv src/libavcodec/rv34.c:895 (ffmpeg+0x000000b670b5) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b670b5) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b670b5) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b670b5) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b980004b000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b980004bf68 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b980004bf6c by thread T2 (mutexes: write M1487): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b67037) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b67037) #2 rv34_decode_mv src/libavcodec/rv34.c:879 (ffmpeg+0x000000b67037) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b67037) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b67037) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b67037) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b980004b000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b980004c030 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b980004c036 by thread T2 (mutexes: write M1487): #0 rv34_pred_mv_b src/libavcodec/rv34.c:591 (ffmpeg+0x000000b5b8e3) #1 rv34_decode_mv src/libavcodec/rv34.c:938 (ffmpeg+0x000000b66eb3) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b66eb3) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b66eb3) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b66eb3) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b980004b000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b980004c0d8 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b980004c0dc by thread T2 (mutexes: write M1487): #0 rv34_decode_mv src/libavcodec/rv34.c:902 (ffmpeg+0x000000b6368d) #1 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6368d) #2 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6368d) #3 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6368d) #4 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b980004b000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b980004c158 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b980004c158 by thread T2 (mutexes: write M1487): #0 rv34_pred_mv_b src/libavcodec/rv34.c:590 (ffmpeg+0x000000b5b8d6) #1 rv34_decode_mv src/libavcodec/rv34.c:938 (ffmpeg+0x000000b66eb3) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b66eb3) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b66eb3) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b66eb3) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b980004b000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b980004c1a0 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b980004c1a4 by thread T2 (mutexes: write M1487): #0 rv34_pred_mv_b src/libavcodec/rv34.c:590 (ffmpeg+0x000000b5b8b2) #1 rv34_decode_mv src/libavcodec/rv34.c:938 (ffmpeg+0x000000b66eb3) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b66eb3) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b66eb3) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b66eb3) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b980004b000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b980004c1b8 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b980004c1bc by thread T2 (mutexes: write M1487): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b5b950) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b5b950) #2 rv34_pred_mv_b src/libavcodec/rv34.c:595 (ffmpeg+0x000000b5b950) #3 rv34_decode_mv src/libavcodec/rv34.c:921 (ffmpeg+0x000000b68d07) #4 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b68d07) #5 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b68d07) #6 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b68d07) #7 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #8 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b980004b000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b980004c2d8 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b980004c2da by thread T2 (mutexes: write M1487): #0 rv34_pred_mv_b src/libavcodec/rv34.c:591 (ffmpeg+0x000000b5b8bf) #1 rv34_decode_mv src/libavcodec/rv34.c:938 (ffmpeg+0x000000b66eb3) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b66eb3) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b66eb3) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b66eb3) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b980004b000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b9800024010 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b9800024010 by thread T2: [failed to restore the stack] Location is heap block of size 11696 at 0x7b9800024000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b9800024740 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b9800024744 by thread T2 (mutexes: write M1487): #0 fill_rectangle src/libavcodec/rectangle.h:61 (ffmpeg+0x000000b6715c) #1 ZERO8x2 src/libavcodec/rv34.c:49 (ffmpeg+0x000000b6715c) #2 rv34_decode_mv src/libavcodec/rv34.c:896 (ffmpeg+0x000000b6715c) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6715c) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6715c) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6715c) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b9800024000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b9800024748 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b9800024748 by thread T2 (mutexes: write M1487): #0 fill_rectangle src/libavcodec/rectangle.h:61 (ffmpeg+0x000000b6713c) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b6713c) #2 rv34_decode_mv src/libavcodec/rv34.c:896 (ffmpeg+0x000000b6713c) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6713c) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6713c) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6713c) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b9800024000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b9800024758 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b980002475e by thread T2 (mutexes: write M1487): #0 rv34_decode_mv src/libavcodec/rv34.c:902 (ffmpeg+0x000000b63733) #1 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b63733) #2 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b63733) #3 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b63733) #4 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b9800024000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b9800024760 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b9800024760 by thread T2 (mutexes: write M1487): #0 rv34_decode_mv src/libavcodec/rv34.c:902 (ffmpeg+0x000000b635a9) #1 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b635a9) #2 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b635a9) #3 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b635a9) #4 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b9800024000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b9800024868 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b9800024868 by thread T2 (mutexes: write M1487): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b6716b) #1 ZERO8x2 src/libavcodec/rv34.c:49 (ffmpeg+0x000000b6716b) #2 rv34_decode_mv src/libavcodec/rv34.c:896 (ffmpeg+0x000000b6716b) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6716b) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6716b) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6716b) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b9800024000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b9800024880 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b9800024886 by thread T2 (mutexes: write M1487): #0 rv34_decode_mv src/libavcodec/rv34.c:902 (ffmpeg+0x000000b63827) #1 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b63827) #2 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b63827) #3 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b63827) #4 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b9800024000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b9800024888 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b9800024888 by thread T2 (mutexes: write M1487): #0 rv34_decode_mv src/libavcodec/rv34.c:902 (ffmpeg+0x000000b638a8) #1 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b638a8) #2 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b638a8) #3 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b638a8) #4 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b9800024000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b9800024948 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b980002494a by thread T2 (mutexes: write M1487): #0 rv34_decode_mv src/libavcodec/rv34.c:902 (ffmpeg+0x000000b6362a) #1 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6362a) #2 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6362a) #3 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6362a) #4 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b9800024000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b9800024a50 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b9800024a54 by thread T2 (mutexes: write M1487): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b6714b) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b6714b) #2 rv34_decode_mv src/libavcodec/rv34.c:896 (ffmpeg+0x000000b6714b) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6714b) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6714b) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6714b) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b9800024000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b9800024ae8 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b9800024aec by thread T2 (mutexes: write M1487): #0 rv34_decode_mv src/libavcodec/rv34.c:902 (ffmpeg+0x000000b637bd) #1 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b637bd) #2 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b637bd) #3 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b637bd) #4 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b9800024000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b9800024ba0 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b9800024ba0 by thread T2 (mutexes: write M1487): #0 fill_rectangle src/libavcodec/rectangle.h:61 (ffmpeg+0x000000b5b92d) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b5b92d) #2 rv34_pred_mv_b src/libavcodec/rv34.c:595 (ffmpeg+0x000000b5b92d) #3 rv34_decode_mv src/libavcodec/rv34.c:921 (ffmpeg+0x000000b68d07) #4 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b68d07) #5 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b68d07) #6 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b68d07) #7 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #8 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b9800024000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b9800024ba8 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b9800024bae by thread T2 (mutexes: write M1487): #0 rv34_pred_mv_b src/libavcodec/rv34.c:591 (ffmpeg+0x000000b5b8e3) #1 rv34_decode_mv src/libavcodec/rv34.c:921 (ffmpeg+0x000000b68d07) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b68d07) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b68d07) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b68d07) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b9800024000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b9800024cc0 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b9800024cc4 by thread T2 (mutexes: write M1487): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b5b950) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b5b950) #2 rv34_pred_mv_b src/libavcodec/rv34.c:595 (ffmpeg+0x000000b5b950) #3 rv34_decode_mv src/libavcodec/rv34.c:921 (ffmpeg+0x000000b68d07) #4 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b68d07) #5 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b68d07) #6 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b68d07) #7 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #8 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b9800024000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b9800024cc8 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b9800024cc8 by thread T2 (mutexes: write M1487): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b5b970) #1 ZERO8x2 src/libavcodec/rv34.c:49 (ffmpeg+0x000000b5b970) #2 rv34_pred_mv_b src/libavcodec/rv34.c:595 (ffmpeg+0x000000b5b970) #3 rv34_decode_mv src/libavcodec/rv34.c:921 (ffmpeg+0x000000b68d07) #4 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b68d07) #5 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b68d07) #6 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b68d07) #7 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #8 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b9800024000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b9800024cd0 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b9800024cd0 by thread T2 (mutexes: write M1487): #0 rv34_pred_mv_b src/libavcodec/rv34.c:590 (ffmpeg+0x000000b5b8d6) #1 rv34_decode_mv src/libavcodec/rv34.c:921 (ffmpeg+0x000000b68d07) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b68d07) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b68d07) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b68d07) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b9800024000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b9800024ce0 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b9800024ce4 by thread T2 (mutexes: write M1487): #0 rv34_pred_mv_b src/libavcodec/rv34.c:590 (ffmpeg+0x000000b5b8b2) #1 rv34_decode_mv src/libavcodec/rv34.c:921 (ffmpeg+0x000000b68d07) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b68d07) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b68d07) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b68d07) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b9800024000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b9800024e30 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b9800024e34 by thread T2 (mutexes: write M1487): #0 rv34_decode_mv src/libavcodec/rv34.c:902 (ffmpeg+0x000000b636bd) #1 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b636bd) #2 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b636bd) #3 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b636bd) #4 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b9800024000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b9800024f28 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b9800024f2e by thread T2 (mutexes: write M1487): #0 rv34_pred_mv_b src/libavcodec/rv34.c:591 (ffmpeg+0x000000b5b8bf) #1 rv34_decode_mv src/libavcodec/rv34.c:921 (ffmpeg+0x000000b68d07) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b68d07) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b68d07) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b68d07) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b9800024000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b9800025030 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b9800025036 by thread T2 (mutexes: write M1487): #0 rv34_pred_mv_b src/libavcodec/rv34.c:591 (ffmpeg+0x000000b5b8e3) #1 rv34_decode_mv src/libavcodec/rv34.c:939 (ffmpeg+0x000000b66ec5) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b66ec5) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b66ec5) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b66ec5) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b9800024000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b9800025088 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b9800025088 by thread T2 (mutexes: write M1487): #0 rv34_pred_mv_b src/libavcodec/rv34.c:590 (ffmpeg+0x000000b5b8b2) #1 rv34_decode_mv src/libavcodec/rv34.c:939 (ffmpeg+0x000000b66ec5) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b66ec5) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b66ec5) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b66ec5) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b9800024000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b9800025150 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b9800025156 by thread T2 (mutexes: write M1487): #0 rv34_pred_mv_b src/libavcodec/rv34.c:591 (ffmpeg+0x000000b5b8bf) #1 rv34_decode_mv src/libavcodec/rv34.c:939 (ffmpeg+0x000000b66ec5) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b66ec5) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b66ec5) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b66ec5) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b9800024000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b98000251b0 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b98000251b0 by thread T2 (mutexes: write M1487): #0 rv34_pred_mv_b src/libavcodec/rv34.c:590 (ffmpeg+0x000000b5b8d6) #1 rv34_decode_mv src/libavcodec/rv34.c:939 (ffmpeg+0x000000b66ec5) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b66ec5) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b66ec5) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b66ec5) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b9800024000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b9800025380 by thread T1 (mutexes: write M1484): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 2 at 0x7b9800025382 by thread T2 (mutexes: write M1487): #0 rv34_decode_mv src/libavcodec/rv34.c:902 (ffmpeg+0x000000b6390f) #1 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6390f) #2 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6390f) #3 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6390f) #4 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b9800024000 allocated by thread T2: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Read of size 8 at 0x7b980003f020 by thread T2 (mutexes: write M1487): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous write of size 4 at 0x7b980003f020 by thread T1 (mutexes: write M1484): #0 fill_rectangle src/libavcodec/rectangle.h:61 (ffmpeg+0x000000b670a7) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b670a7) #2 rv34_decode_mv src/libavcodec/rv34.c:895 (ffmpeg+0x000000b670a7) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b670a7) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b670a7) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b670a7) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b980003f000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavutil/buffer.c:162 in av_buffer_make_writable ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Write of size 4 at 0x7b980003f950 by thread T1 (mutexes: write M1484): #0 fill_rectangle src/libavcodec/rectangle.h:61 (ffmpeg+0x000000b67029) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b67029) #2 rv34_decode_mv src/libavcodec/rv34.c:879 (ffmpeg+0x000000b67029) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b67029) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b67029) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b67029) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b980003f950 by thread T2 (mutexes: write M1487): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 av_buffer_make_writable src/libavutil/buffer.c:162 (ffmpeg+0x0000013fa80d) #2 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #3 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #4 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #5 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 11696 at 0x7b980003f000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1487 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rectangle.h:61 in fill_rectangle ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Write of size 2 at 0x7b9800031600 by thread T1 (mutexes: write M1484): #0 rv34_pred_mv_b src/libavcodec/rv34.c:590 (ffmpeg+0x000000b5b8d6) #1 rv34_decode_mv src/libavcodec/rv34.c:921 (ffmpeg+0x000000b68d07) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b68d07) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b68d07) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b68d07) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800031600 by thread T2: [failed to restore the stack] Location is heap block of size 11696 at 0x7b9800030000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rv34.c:590 in rv34_pred_mv_b ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Write of size 4 at 0x7b98000404d8 by thread T1 (mutexes: write M1484): #0 fill_rectangle src/libavcodec/rectangle.h:61 (ffmpeg+0x000000b5b92d) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b5b92d) #2 rv34_pred_mv_b src/libavcodec/rv34.c:595 (ffmpeg+0x000000b5b92d) #3 rv34_decode_mv src/libavcodec/rv34.c:921 (ffmpeg+0x000000b68d07) #4 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b68d07) #5 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b68d07) #6 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b68d07) #7 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #8 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000404d8 by thread T2: [failed to restore the stack] Location is heap block of size 11696 at 0x7b980003f000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rectangle.h:61 in fill_rectangle ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Write of size 4 at 0x7b9800040600 by thread T1 (mutexes: write M1484): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b5b970) #1 ZERO8x2 src/libavcodec/rv34.c:49 (ffmpeg+0x000000b5b970) #2 rv34_pred_mv_b src/libavcodec/rv34.c:595 (ffmpeg+0x000000b5b970) #3 rv34_decode_mv src/libavcodec/rv34.c:921 (ffmpeg+0x000000b68d07) #4 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b68d07) #5 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b68d07) #6 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b68d07) #7 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #8 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800040600 by thread T2: [failed to restore the stack] Location is heap block of size 11696 at 0x7b980003f000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rectangle.h:63 in fill_rectangle ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Write of size 1 at 0x7b5c00018620 by thread T1 (mutexes: write M1484): #0 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1232 (ffmpeg+0x000000b64630) #1 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b64630) #2 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b5c00018620 by thread T2: [failed to restore the stack] Location is heap block of size 815 at 0x7b5c00018480 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:45 (ffmpeg+0x000000a3895a) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3895a) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rv34.c:1232 in rv34_decode_inter_macroblock ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Write of size 2 at 0x7b98000404e0 by thread T1 (mutexes: write M1484): #0 rv34_pred_mv_b src/libavcodec/rv34.c:590 (ffmpeg+0x000000b5b8b2) #1 rv34_decode_mv src/libavcodec/rv34.c:938 (ffmpeg+0x000000b66eb3) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b66eb3) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b66eb3) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b66eb3) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000404e0 by thread T2: [failed to restore the stack] Location is heap block of size 11696 at 0x7b980003f000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rv34.c:590 in rv34_pred_mv_b ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Write of size 2 at 0x7b98000314e0 by thread T1 (mutexes: write M1484): #0 rv34_pred_mv_b src/libavcodec/rv34.c:590 (ffmpeg+0x000000b5b8b2) #1 rv34_decode_mv src/libavcodec/rv34.c:939 (ffmpeg+0x000000b66ec5) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b66ec5) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b66ec5) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b66ec5) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000314e0 by thread T2: [failed to restore the stack] Location is heap block of size 11696 at 0x7b9800030000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rv34.c:590 in rv34_pred_mv_b ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Write of size 2 at 0x7b98000314f0 by thread T1 (mutexes: write M1484): #0 rv34_pred_mv_b src/libavcodec/rv34.c:590 (ffmpeg+0x000000b5b8b2) #1 rv34_decode_mv src/libavcodec/rv34.c:921 (ffmpeg+0x000000b68d07) #2 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b68d07) #3 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b68d07) #4 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b68d07) #5 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000314f0 by thread T2: [failed to restore the stack] Location is heap block of size 11696 at 0x7b9800030000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rv34.c:590 in rv34_pred_mv_b ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Write of size 2 at 0x7b9800040508 by thread T1 (mutexes: write M1484): #0 rv34_decode_mv src/libavcodec/rv34.c:902 (ffmpeg+0x000000b63556) #1 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b63556) #2 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b63556) #3 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b63556) #4 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800040508 by thread T2: [failed to restore the stack] Location is heap block of size 11696 at 0x7b980003f000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rv34.c:902 in rv34_decode_mv ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Write of size 2 at 0x7b9800031508 by thread T1 (mutexes: write M1484): #0 rv34_decode_mv src/libavcodec/rv34.c:902 (ffmpeg+0x000000b635a9) #1 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b635a9) #2 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b635a9) #3 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b635a9) #4 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800031508 by thread T2: [failed to restore the stack] Location is heap block of size 11696 at 0x7b9800030000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rv34.c:902 in rv34_decode_mv ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Write of size 2 at 0x7b9800040630 by thread T1 (mutexes: write M1484): #0 rv34_decode_mv src/libavcodec/rv34.c:902 (ffmpeg+0x000000b6387c) #1 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6387c) #2 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6387c) #3 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6387c) #4 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800040630 by thread T2: [failed to restore the stack] Location is heap block of size 11696 at 0x7b980003f000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rv34.c:902 in rv34_decode_mv ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Write of size 2 at 0x7b9800031630 by thread T1 (mutexes: write M1484): #0 rv34_decode_mv src/libavcodec/rv34.c:902 (ffmpeg+0x000000b638a8) #1 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b638a8) #2 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b638a8) #3 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b638a8) #4 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800031630 by thread T2: [failed to restore the stack] Location is heap block of size 11696 at 0x7b9800030000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rv34.c:902 in rv34_decode_mv ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Write of size 4 at 0x7b9800040588 by thread T1 (mutexes: write M1484): #0 fill_rectangle src/libavcodec/rectangle.h:61 (ffmpeg+0x000000b670a7) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b670a7) #2 rv34_decode_mv src/libavcodec/rv34.c:895 (ffmpeg+0x000000b670a7) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b670a7) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b670a7) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b670a7) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800040588 by thread T2: [failed to restore the stack] Location is heap block of size 11696 at 0x7b980003f000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rectangle.h:61 in fill_rectangle ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Write of size 4 at 0x7b98000406b0 by thread T1 (mutexes: write M1484): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b670da) #1 ZERO8x2 src/libavcodec/rv34.c:49 (ffmpeg+0x000000b670da) #2 rv34_decode_mv src/libavcodec/rv34.c:895 (ffmpeg+0x000000b670da) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b670da) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b670da) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b670da) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000406b0 by thread T2: [failed to restore the stack] Location is heap block of size 11696 at 0x7b980003f000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rectangle.h:63 in fill_rectangle ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Write of size 4 at 0x7b9800031588 by thread T1 (mutexes: write M1484): #0 fill_rectangle src/libavcodec/rectangle.h:61 (ffmpeg+0x000000b6713c) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b6713c) #2 rv34_decode_mv src/libavcodec/rv34.c:896 (ffmpeg+0x000000b6713c) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6713c) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6713c) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6713c) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800031588 by thread T2: [failed to restore the stack] Location is heap block of size 11696 at 0x7b9800030000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rectangle.h:61 in fill_rectangle ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Write of size 4 at 0x7b98000316b0 by thread T1 (mutexes: write M1484): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b6716b) #1 ZERO8x2 src/libavcodec/rv34.c:49 (ffmpeg+0x000000b6716b) #2 rv34_decode_mv src/libavcodec/rv34.c:896 (ffmpeg+0x000000b6716b) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6716b) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6716b) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6716b) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000316b0 by thread T2: [failed to restore the stack] Location is heap block of size 11696 at 0x7b9800030000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389ee) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389ee) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rectangle.h:63 in fill_rectangle ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Write of size 4 at 0x7b9800040760 by thread T1 (mutexes: write M1484): #0 fill_rectangle src/libavcodec/rectangle.h:61 (ffmpeg+0x000000b67029) #1 ZERO8x2 src/libavcodec/rv34.c:48 (ffmpeg+0x000000b67029) #2 rv34_decode_mv src/libavcodec/rv34.c:879 (ffmpeg+0x000000b67029) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b67029) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b67029) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b67029) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800040760 by thread T2: [failed to restore the stack] Location is heap block of size 11696 at 0x7b980003f000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rectangle.h:61 in fill_rectangle ================== ================== WARNING: ThreadSanitizer: data race (pid=18931) Write of size 4 at 0x7b9800040888 by thread T1 (mutexes: write M1484): #0 fill_rectangle src/libavcodec/rectangle.h:63 (ffmpeg+0x000000b6705c) #1 ZERO8x2 src/libavcodec/rv34.c:49 (ffmpeg+0x000000b6705c) #2 rv34_decode_mv src/libavcodec/rv34.c:879 (ffmpeg+0x000000b6705c) #3 rv34_decode_inter_mb_header src/libavcodec/rv34.c:407 (ffmpeg+0x000000b6705c) #4 rv34_decode_inter_macroblock src/libavcodec/rv34.c:1228 (ffmpeg+0x000000b6705c) #5 rv34_decode_slice src/libavcodec/rv34.c:1455 (ffmpeg+0x000000b6705c) #6 ff_rv34_decode_frame src/libavcodec/rv34.c:1819 (ffmpeg+0x000000b6a301) #7 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800040888 by thread T2: [failed to restore the stack] Location is heap block of size 11696 at 0x7b980003f000 allocated by thread T1: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:49 (ffmpeg+0x000000a389a8) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a389a8) #6 alloc_picture src/libavcodec/mpegvideo.c:350 (ffmpeg+0x000000a44501) #7 ff_mpv_frame_start src/libavcodec/mpegvideo.c:1248 (ffmpeg+0x000000a44501) #8 ff_rv34_decode_frame src/libavcodec/rv34.c:1737 (ffmpeg+0x000000b69e3e) #9 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Mutex M1484 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=18953, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=18958, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/rectangle.h:63 in fill_rectangle ================== frame= 240 fps=9.6 q=-0.0 Lsize= 14kB time=00:00:10.00 bitrate= 11.2kbits/s speed= 0.4x video:64800kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown ThreadSanitizer: reported 77 warnings
diff	stderr	utvideoenc_rgb_left	66	N-121824-g775b102182

No diff output recorded

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, image2, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/vsynth1/%02d.pgm': Duration: 00:00:02.00, start: 0.000000, bitrate: N/A Stream #0:0: Video: pgmyuv, yuv420p, 352x288, 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (pgmyuv (native) -> utvideo (native)) Output #0, framemd5, to 'pipe:': Stream #0:0: Video: utvideo (ULRG / 0x47524C55), rgb24, 352x288, q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc utvideo frame= 50 fps=7.5 q=-0.0 Lsize= 4kB time=00:00:02.00 bitrate= 17.1kbits/s speed=0.299x video:8854kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown ================== WARNING: ThreadSanitizer: data race (pid=19806) Read of size 4 at 0x7b84000012f0 by thread T9: #0 worker src/libavcodec/frame_thread_encoder.c:66 (ffmpeg+0x0000007f349e) Previous write of size 4 at 0x7b84000012f0 by main thread (mutexes: write M1395): #0 ff_frame_thread_encoder_free src/libavcodec/frame_thread_encoder.c:239 (ffmpeg+0x0000007f379e) #1 avcodec_close src/libavcodec/utils.c:1174 (ffmpeg+0x000000154d6e) #2 avcodec_free_context src/libavcodec/options.c:179 (ffmpeg+0x000000acc217) #3 ffmpeg_cleanup src/ffmpeg.c:557 (ffmpeg+0x0000001eb8d9) #4 exit_program src/cmdutils.c:138 (ffmpeg+0x0000001c2418) #5 main src/ffmpeg.c:4787 (ffmpeg+0x0000001b69c0) Location is heap block of size 4856 at 0x7b8400000000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 ff_frame_thread_encoder_init src/libavcodec/frame_thread_encoder.c:175 (ffmpeg+0x0000007f39b3) #4 avcodec_open2 src/libavcodec/utils.c:814 (ffmpeg+0x000000c6e636) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Mutex M1395 (0x7b8400000038) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_encoder_init src/libavcodec/frame_thread_encoder.c:185 (ffmpeg+0x0000007f3a0a) #2 avcodec_open2 src/libavcodec/utils.c:814 (ffmpeg+0x000000c6e636) #3 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #4 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #5 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #6 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T9 (tid=19831, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_encoder_init src/libavcodec/frame_thread_encoder.c:219 (ffmpeg+0x0000007f3b7c) #2 avcodec_open2 src/libavcodec/utils.c:814 (ffmpeg+0x000000c6e636) #3 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #4 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #5 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #6 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/frame_thread_encoder.c:66 in worker ================== ThreadSanitizer: reported 1 warnings
diff	stderr	utvideoenc_yuv420_left	66	N-121824-g775b102182

No diff output recorded

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, image2, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/vsynth1/%02d.pgm': Duration: 00:00:02.00, start: 0.000000, bitrate: N/A Stream #0:0: Video: pgmyuv, yuv420p, 352x288, 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (pgmyuv (native) -> utvideo (native)) Output #0, framemd5, to 'pipe:': Stream #0:0: Video: utvideo (ULY0 / 0x30594C55), yuv420p, 352x288, q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc utvideo frame= 50 fps= 37 q=-0.0 Lsize= 4kB time=00:00:02.00 bitrate= 17.1kbits/s speed=1.49x video:2883kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown ================== WARNING: ThreadSanitizer: data race (pid=19926) Read of size 4 at 0x7b84000012f0 by thread T15: #0 worker src/libavcodec/frame_thread_encoder.c:66 (ffmpeg+0x0000007f349e) Previous write of size 4 at 0x7b84000012f0 by main thread (mutexes: write M1388): #0 ff_frame_thread_encoder_free src/libavcodec/frame_thread_encoder.c:239 (ffmpeg+0x0000007f379e) #1 avcodec_close src/libavcodec/utils.c:1174 (ffmpeg+0x000000154d6e) #2 avcodec_free_context src/libavcodec/options.c:179 (ffmpeg+0x000000acc217) #3 ffmpeg_cleanup src/ffmpeg.c:557 (ffmpeg+0x0000001eb8d9) #4 exit_program src/cmdutils.c:138 (ffmpeg+0x0000001c2418) #5 main src/ffmpeg.c:4787 (ffmpeg+0x0000001b69c0) Location is heap block of size 4856 at 0x7b8400000000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 ff_frame_thread_encoder_init src/libavcodec/frame_thread_encoder.c:175 (ffmpeg+0x0000007f39b3) #4 avcodec_open2 src/libavcodec/utils.c:814 (ffmpeg+0x000000c6e636) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Mutex M1388 (0x7b8400000038) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_encoder_init src/libavcodec/frame_thread_encoder.c:185 (ffmpeg+0x0000007f3a0a) #2 avcodec_open2 src/libavcodec/utils.c:814 (ffmpeg+0x000000c6e636) #3 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #4 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #5 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #6 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T15 (tid=19989, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_encoder_init src/libavcodec/frame_thread_encoder.c:219 (ffmpeg+0x0000007f3b7c) #2 avcodec_open2 src/libavcodec/utils.c:814 (ffmpeg+0x000000c6e636) #3 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #4 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #5 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #6 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/frame_thread_encoder.c:66 in worker ================== ThreadSanitizer: reported 1 warnings
diff	stderr	vsynth1-mpeg4	66	N-121808-gf283750ba8

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth1-mpeg4 2017-03-24 21:02:53.649713172 +0000 +++ tests/data/fate/vsynth1-mpeg4 2017-09-06 03:56:39.847397886 +0000 @@ -1,4 +1,2 @@ b4e8871c504a22c8c874c7e845b73da7 tests/data/fate/vsynth1-mpeg4.mp4 540085 tests/data/fate/vsynth1-mpeg4.mp4 -f80ec173d37f2f91add031e95579a220 tests/data/fate/vsynth1-mpeg4.out.rawvideo -stddev: 7.97 PSNR: 30.10 MAXDIFF: 105 bytes: 7603200/ 7603200

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth1.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 30412 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288, 30412 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -q:a or -q:v, -qscale is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, mp4, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth1-mpeg4.mp4': Stream #0:0: Video: mpeg4 (mp4v / 0x7634706D), yuv420p, 352x288, q=2-31, 200 kb/s, 25 fps, 12800 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 frame= 50 fps= 12 q=10.0 Lsize= 527kB time=00:00:01.96 bitrate=2204.3kbits/s speed=0.47x video:526kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.189774% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth1-mpeg4.mp4': Metadata: major_brand : isom minor_version : 512 compatible_brands: isomiso2mp41 Duration: 00:00:02.00, start: 0.000000, bitrate: 2160 kb/s Stream #0:0(und): Video: mpeg4 (Simple Profile) (mp4v / 0x7634706D), yuv420p, 352x288 [SAR 1:1 DAR 11:9], 2156 kb/s, 25 fps, 25 tbr, 12800 tbn, 25 tbc (default) Metadata: handler_name : VideoHandler Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=5798) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1370): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5800, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5798) Write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1370): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5800, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4videodec.c:1649 in mpeg4_decode_mb ================== ================== WARNING: ThreadSanitizer: data race (pid=5798) Read of size 8 at 0x7b9800003018 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003018 by thread T1 (mutexes: write M1370): #0 mpeg4_decode_block src/libavcodec/mpeg4videodec.c:1243 (ffmpeg+0x0000009fc0b0) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1674 (ffmpeg+0x0000009fc0b0) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5800, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5798) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1370): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5800, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5798) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1370): #0 decode_slice src/libavcodec/h263dec.c:305 (ffmpeg+0x00000081df6d) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5800, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5798) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1370): #0 decode_slice src/libavcodec/h263dec.c:222 (ffmpeg+0x00000081df93) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5800, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5798) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1370): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1646 (ffmpeg+0x0000009fb1f8) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5800, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5798) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1370): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5800, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5798) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1370): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5800, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5798) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1370): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5800, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5798) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1370): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5800, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5798) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1370): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5800, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5798) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1370): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5800, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5798) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1370): #0 get_vlc2 src/libavcodec/get_bits.h:564 (ffmpeg+0x0000009fac40) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1637 (ffmpeg+0x0000009fac40) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5800, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth1-mpeg4.out.rawvideo': Metadata: major_brand : isom minor_version : 512 compatible_brands: isomiso2mp41 Stream #0:0(und): Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288 [SAR 1:1 DAR 11:9], q=2-31, 30412 kb/s, 25 fps, 25 tbn, 25 tbc (default) Metadata: handler_name : VideoHandler encoder : Lavc rawvideo ================== WARNING: ThreadSanitizer: data race (pid=5798) Read of size 4 at 0x7b98000080cc by main thread (mutexes: write M1370): #0 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:568 (ffmpeg+0x000000a43ab3) #1 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #2 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #3 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #4 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #5 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #6 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #7 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #8 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #9 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #10 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #11 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #12 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #13 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #14 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #15 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000080cc by thread T2 (mutexes: write M1372): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800006000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 ff_frame_thread_init src/libavcodec/pthread_frame.c:821 (ffmpeg+0x000000b05586) #3 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #6 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #7 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #8 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=5801, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:568 in ff_mpeg_update_thread_context ================== frame= 50 fps=0.0 q=-0.0 Lsize= 7425kB time=00:00:02.00 bitrate=30412.8kbits/s speed=2.27x video:7425kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 15 warnings
diff	stderr	vsynth1-mpeg4-adap	66	N-121737-gcbc6134a4a

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth1-mpeg4-adap 2017-03-24 21:02:53.649713172 +0000 +++ tests/data/fate/vsynth1-mpeg4-adap 2017-09-06 03:56:51.584064256 +0000 @@ -1,4 +1,2 @@ f120f0bf976bb510c5b5305fe7d8159a tests/data/fate/vsynth1-mpeg4-adap.avi 403436 tests/data/fate/vsynth1-mpeg4-adap.avi -fad0b9dc08fe4a95b297af1a7411c1e9 tests/data/fate/vsynth1-mpeg4-adap.out.rawvideo -stddev: 14.05 PSNR: 25.17 MAXDIFF: 184 bytes: 7603200/ 7603200

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth1.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 30412 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288, 30412 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -b:a or -b:v, -b is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth1-mpeg4-adap.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 352x288, q=2-31, 550 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/550000 buffer size: 0 vbv_delay: -1 frame= 50 fps=5.2 q=30.2 Lsize= 394kB time=00:00:01.96 bitrate=1646.7kbits/s speed=0.203x video:387kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 1.733655% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, avi, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth1-mpeg4-adap.avi': Duration: 00:00:02.00, start: 0.000000, bitrate: 1613 kb/s Stream #0:0: Video: mpeg4 (Advanced Simple Profile) (FMP4 / 0x34504D46), yuv420p, 352x288 [SAR 1:1 DAR 11:9], 1618 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=5926) Read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b980000300c by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2817 (ffmpeg+0x000000a4f1c9) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1666 (ffmpeg+0x0000009fd220) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5928, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5926) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5928, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5926) Read of size 8 at 0x7b9800003018 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003018 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_block src/libavcodec/mpeg4videodec.c:1243 (ffmpeg+0x0000009fc0b0) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1674 (ffmpeg+0x0000009fc0b0) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5928, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5926) Read of size 8 at 0x7b9800003a60 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003a64 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2814 (ffmpeg+0x000000a4f16b) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1666 (ffmpeg+0x0000009fd220) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5928, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5926) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5928, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5926) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:273 (ffmpeg+0x00000081e23c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5928, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5926) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:277 (ffmpeg+0x00000081e2b8) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5928, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5926) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1646 (ffmpeg+0x0000009fb1f8) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5928, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5926) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5928, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5926) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5928, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5926) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5928, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5926) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5928, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5926) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5928, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5926) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5928, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5926) Read of size 8 at 0x7b9800004f60 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004f64 by thread T1: [failed to restore the stack] Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5928, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5926) Read of size 8 at 0x7b98000050c8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5928, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5926) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1371): #0 get_vlc2 src/libavcodec/get_bits.h:564 (ffmpeg+0x0000009fac40) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1637 (ffmpeg+0x0000009fac40) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5928, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth1-mpeg4-adap.out.rawvideo': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288 [SAR 1:1 DAR 11:9], q=2-31, 30412 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo frame= 50 fps=0.0 q=-0.0 Lsize= 7425kB time=00:00:02.04 bitrate=29816.5kbits/s speed=2.63x video:7425kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 17 warnings
diff	stderr	vsynth1-mpeg4-adv	66	N-121640-g08eda05967

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth1-mpeg4-adv 2017-03-24 21:02:53.649713172 +0000 +++ tests/data/fate/vsynth1-mpeg4-adv 2017-09-06 03:56:46.250731060 +0000 @@ -1,4 +1,2 @@ 0700d773f269babdaea4c6c71a3d7876 tests/data/fate/vsynth1-mpeg4-adv.avi 589708 tests/data/fate/vsynth1-mpeg4-adv.avi -b651bd94456005a1990fb64c28306262 tests/data/fate/vsynth1-mpeg4-adv.out.rawvideo -stddev: 6.98 PSNR: 31.25 MAXDIFF: 84 bytes: 7603200/ 7603200

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth1.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 30412 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288, 30412 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -q:a or -q:v, -qscale is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth1-mpeg4-adv.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 352x288, q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 frame= 50 fps=7.4 q=9.0 Lsize= 576kB time=00:00:02.00 bitrate=2358.8kbits/s speed=0.297x video:569kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 1.179583% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, avi, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth1-mpeg4-adv.avi': Duration: 00:00:02.00, start: 0.000000, bitrate: 2358 kb/s Stream #0:0: Video: mpeg4 (Simple Profile) (FMP4 / 0x34504D46), yuv420p, 352x288 [SAR 1:1 DAR 11:9], 2378 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=5877) Read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 decode_slice src/libavcodec/h263dec.c:219 (ffmpeg+0x00000081df2e) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5879, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5877) Write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 decode_slice src/libavcodec/h263dec.c:198 (ffmpeg+0x00000081d7e2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5879, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:2816 in ff_set_qscale ================== ================== WARNING: ThreadSanitizer: data race (pid=5877) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_partitioned_mb src/libavcodec/mpeg4videodec.c:1302 (ffmpeg+0x0000009ff875) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5879, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5877) Read of size 8 at 0x7b9800003018 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003018 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_block src/libavcodec/mpeg4videodec.c:1243 (ffmpeg+0x0000009ffac3) #1 mpeg4_decode_partitioned_mb src/libavcodec/mpeg4videodec.c:1310 (ffmpeg+0x0000009ffac3) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5879, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5877) Read of size 8 at 0x7b9800003a60 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003a60 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2813 (ffmpeg+0x000000a4f136) #1 decode_slice src/libavcodec/h263dec.c:219 (ffmpeg+0x00000081df2e) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5879, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5877) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5879, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5877) Read of size 8 at 0x7b98000046d8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000046dc by thread T1 (mutexes: write M1371): #0 ff_mpeg4_clean_buffers src/libavcodec/mpeg4video.c:62 (ffmpeg+0x0000009f3f7e) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:652 (ffmpeg+0x00000081f85c) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5879, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5877) Read of size 8 at 0x7b98000046e8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000046ec by thread T1 (mutexes: write M1371): #0 ff_mpeg4_clean_buffers src/libavcodec/mpeg4video.c:64 (ffmpeg+0x0000009f3f52) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:652 (ffmpeg+0x00000081f85c) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5879, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5877) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1371): #0 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:829 (ffmpeg+0x000000a0307d) #1 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a0307d) #2 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5879, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5877) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:831 (ffmpeg+0x000000a030ba) #1 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030ba) #2 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5879, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5877) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_partitioned_mb src/libavcodec/mpeg4videodec.c:1301 (ffmpeg+0x0000009ff843) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5879, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5877) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5879, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5877) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5879, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5877) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5879, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5877) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5879, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5877) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5879, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5877) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5879, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5877) Read of size 8 at 0x7b9800004f60 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004f64 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:196 (ffmpeg+0x00000081d7b8) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5879, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5877) Read of size 8 at 0x7b9800004f68 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004f68 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:193 (ffmpeg+0x00000081d702) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5879, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5877) Read of size 8 at 0x7b9800004f88 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004f88 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_partitioned_mb src/libavcodec/mpeg4videodec.c:1321 (ffmpeg+0x000000a0002d) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5879, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5877) Read of size 8 at 0x7b98000050c8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5879, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5877) Read of size 8 at 0x7b9800005120 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005124 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:830 (ffmpeg+0x000000a03091) #1 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a03091) #2 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5879, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5877) Read of size 8 at 0x7b9800005150 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005150 by thread T1 (mutexes: write M1371): #0 mpeg4_is_resync src/libavcodec/mpeg4videodec.c:159 (ffmpeg+0x000000a018a6) #1 mpeg4_decode_partitioned_mb src/libavcodec/mpeg4videodec.c:1322 (ffmpeg+0x000000a018a6) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5879, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5877) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1371): #0 get_bits1 src/libavcodec/get_bits.h:328 (ffmpeg+0x000000a0359b) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:842 (ffmpeg+0x000000a0359b) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a0359b) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5879, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5877) Read of size 8 at 0x7b9800005358 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005358 by thread T1: [failed to restore the stack] Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5879, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth1-mpeg4-adv.out.rawvideo': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288 [SAR 1:1 DAR 11:9], q=2-31, 30412 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo ================== WARNING: ThreadSanitizer: data race (pid=5877) Read of size 4 at 0x7b98000080cc by main thread (mutexes: write M1371): #0 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:568 (ffmpeg+0x000000a43ab3) #1 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #2 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #3 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #4 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #5 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #6 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #7 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #8 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #9 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #10 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #11 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #12 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #13 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #14 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #15 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000080cc by thread T2 (mutexes: write M1373): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800006000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 ff_frame_thread_init src/libavcodec/pthread_frame.c:821 (ffmpeg+0x000000b05586) #3 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #6 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #7 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #8 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=5880, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:568 in ff_mpeg_update_thread_context ================== frame= 50 fps=0.0 q=-0.0 Lsize= 7425kB time=00:00:02.00 bitrate=30412.8kbits/s speed=2.06x video:7425kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 26 warnings
diff	stderr	vsynth1-mpeg4-error	66	N-121759-ge096a592cb

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth1-mpeg4-error 2017-03-24 21:02:53.649713172 +0000 +++ tests/data/fate/vsynth1-mpeg4-error 2017-09-06 03:56:53.727397531 +0000 @@ -1,4 +1,2 @@ d23ad508e15bf6af8de8799c59acd6dc tests/data/fate/vsynth1-mpeg4-error.avi 752350 tests/data/fate/vsynth1-mpeg4-error.avi -5853c8c789f260ae4dcbf37a17d04b66 tests/data/fate/vsynth1-mpeg4-error.out.rawvideo -stddev: 17.33 PSNR: 23.35 MAXDIFF: 229 bytes: 7603200/ 7603200

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth1.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 30412 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288, 30412 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -q:a or -q:v, -qscale is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth1-mpeg4-error.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 352x288, q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 frame= 50 fps=8.6 q=7.0 Lsize= 735kB time=00:00:02.00 bitrate=3009.4kbits/s speed=0.344x video:728kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.921825% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, avi, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth1-mpeg4-error.avi': Duration: 00:00:02.00, start: 0.000000, bitrate: 3009 kb/s Stream #0:0: Video: mpeg4 (Simple Profile) (FMP4 / 0x34504D46), yuv420p, 352x288 [SAR 1:1 DAR 11:9], 3042 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=5967) Read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 decode_slice src/libavcodec/h263dec.c:219 (ffmpeg+0x00000081df2e) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5969, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5967) Write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 decode_slice src/libavcodec/h263dec.c:198 (ffmpeg+0x00000081d7e2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5969, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:2816 in ff_set_qscale ================== [mpeg4 @ 0x7b6400002300] concealing 37 DC, 37 AC, 37 MV errors in I frame ================== WARNING: ThreadSanitizer: data race (pid=5967) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_partitioned_mb src/libavcodec/mpeg4videodec.c:1302 (ffmpeg+0x0000009ff875) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5969, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5967) Read of size 8 at 0x7b9800003018 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003018 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_block src/libavcodec/mpeg4videodec.c:1243 (ffmpeg+0x0000009ffac3) #1 mpeg4_decode_partitioned_mb src/libavcodec/mpeg4videodec.c:1310 (ffmpeg+0x0000009ffac3) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5969, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5967) Read of size 8 at 0x7b9800003a60 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003a60 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2813 (ffmpeg+0x000000a4f136) #1 decode_slice src/libavcodec/h263dec.c:219 (ffmpeg+0x00000081df2e) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5969, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5967) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5969, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5967) Read of size 8 at 0x7b98000046d8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000046dc by thread T1 (mutexes: write M1371): #0 ff_mpeg4_clean_buffers src/libavcodec/mpeg4video.c:62 (ffmpeg+0x0000009f3f7e) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:652 (ffmpeg+0x00000081f85c) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5969, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5967) Read of size 8 at 0x7b98000046e8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000046ec by thread T1 (mutexes: write M1371): #0 ff_mpeg4_clean_buffers src/libavcodec/mpeg4video.c:64 (ffmpeg+0x0000009f3f52) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:652 (ffmpeg+0x00000081f85c) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5969, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5967) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:273 (ffmpeg+0x00000081e23c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5969, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5967) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:277 (ffmpeg+0x00000081e2b8) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5969, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5967) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_partitioned_mb src/libavcodec/mpeg4videodec.c:1301 (ffmpeg+0x0000009ff843) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5969, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5967) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5969, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5967) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5969, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5967) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5969, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5967) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5969, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5967) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5969, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5967) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5969, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5967) Read of size 8 at 0x7b9800004f60 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004f64 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:196 (ffmpeg+0x00000081d7b8) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5969, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5967) Read of size 8 at 0x7b9800004f68 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004f68 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:193 (ffmpeg+0x00000081d702) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5969, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5967) Read of size 8 at 0x7b9800004f88 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004f88 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_partitioned_mb src/libavcodec/mpeg4videodec.c:1321 (ffmpeg+0x000000a0002d) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5969, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5967) Read of size 8 at 0x7b98000050c8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5969, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5967) Read of size 8 at 0x7b9800005120 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005124 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:830 (ffmpeg+0x000000a03091) #1 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a03091) #2 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5969, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5967) Read of size 8 at 0x7b9800005150 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005150 by thread T1 (mutexes: write M1371): #0 mpeg4_is_resync src/libavcodec/mpeg4videodec.c:159 (ffmpeg+0x000000a018a6) #1 mpeg4_decode_partitioned_mb src/libavcodec/mpeg4videodec.c:1322 (ffmpeg+0x000000a018a6) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5969, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5967) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1371): #0 get_bits1 src/libavcodec/get_bits.h:328 (ffmpeg+0x000000a0359b) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:842 (ffmpeg+0x000000a0359b) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a0359b) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5969, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5967) Read of size 8 at 0x7b9800005358 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005358 by thread T1: [failed to restore the stack] Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5969, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth1-mpeg4-error.out.rawvideo': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288 [SAR 1:1 DAR 11:9], q=2-31, 30412 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo ================== WARNING: ThreadSanitizer: data race (pid=5967) Write of size 4 at 0x7b98000080cc by thread T2 (mutexes: write M1373): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 4 at 0x7b98000080cc by main thread (mutexes: write M1371): #0 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:568 (ffmpeg+0x000000a43ab3) #1 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #2 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #3 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #4 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #5 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #6 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #7 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #8 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #9 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #10 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #11 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #12 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #13 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #14 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #15 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800006000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 ff_frame_thread_init src/libavcodec/pthread_frame.c:821 (ffmpeg+0x000000b05586) #3 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #6 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #7 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #8 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=5970, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/h263dec.c:271 in decode_slice ================== [mpeg4 @ 0x7b6400002300] concealing 103 DC, 103 AC, 103 MV errors in P frame [mpeg4 @ 0x7b6400002300] concealing 100 DC, 100 AC, 100 MV errors in P frame [mpeg4 @ 0x7b6400002800] concealing 99 DC, 99 AC, 99 MV errors in P frame [mpeg4 @ 0x7b6400002300] concealing 40 DC, 40 AC, 40 MV errors in I frame [mpeg4 @ 0x7b6400002800] concealing 118 DC, 118 AC, 118 MV errors in P frame [mpeg4 @ 0x7b6400002800] concealing 114 DC, 114 AC, 114 MV errors in P frame [mpeg4 @ 0x7b6400002300] concealing 42 DC, 42 AC, 42 MV errors in I frame [mpeg4 @ 0x7b6400002300] concealing 102 DC, 102 AC, 102 MV errors in P frame [mpeg4 @ 0x7b6400002300] concealing 98 DC, 98 AC, 98 MV errors in P frame [mpeg4 @ 0x7b6400002800] concealing 106 DC, 106 AC, 106 MV errors in P frame [mpeg4 @ 0x7b6400002300] concealing 95 DC, 95 AC, 95 MV errors in P frame [mpeg4 @ 0x7b6400002800] concealing 100 DC, 100 AC, 100 MV errors in P frame frame= 50 fps= 39 q=-0.0 Lsize= 7425kB time=00:00:02.00 bitrate=30412.8kbits/s speed=1.55x video:7425kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 26 warnings
diff	stderr	vsynth1-mpeg4-nr	66	N-121759-ge096a592cb

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth1-mpeg4-nr 2017-03-24 21:02:53.649713172 +0000 +++ tests/data/fate/vsynth1-mpeg4-nr 2017-09-06 03:56:59.047397386 +0000 @@ -1,4 +1,2 @@ 793b77835fe8073bba19a22e9039d6e1 tests/data/fate/vsynth1-mpeg4-nr.avi 675456 tests/data/fate/vsynth1-mpeg4-nr.avi -5fee518cde41e5567f800fbe14210fb8 tests/data/fate/vsynth1-mpeg4-nr.out.rawvideo -stddev: 6.99 PSNR: 31.24 MAXDIFF: 86 bytes: 7603200/ 7603200

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth1.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 30412 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288, 30412 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -q:a or -q:v, -qscale is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth1-mpeg4-nr.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 352x288, q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 frame= 50 fps=7.7 q=8.0 Lsize= 660kB time=00:00:02.00 bitrate=2701.8kbits/s speed=0.31x video:653kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 1.028448% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, avi, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth1-mpeg4-nr.avi': Duration: 00:00:02.00, start: 0.000000, bitrate: 2701 kb/s Stream #0:0: Video: mpeg4 (Simple Profile) (FMP4 / 0x34504D46), yuv420p, 352x288 [SAR 1:1 DAR 11:9], 2728 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=6111) Read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 decode_slice src/libavcodec/h263dec.c:198 (ffmpeg+0x00000081d7e2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6119, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=6111) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6119, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=6111) Read of size 8 at 0x7b9800003018 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003018 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_block src/libavcodec/mpeg4videodec.c:1243 (ffmpeg+0x0000009fc0b0) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1674 (ffmpeg+0x0000009fc0b0) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6119, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=6111) Read of size 8 at 0x7b9800003a60 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003a64 by thread T1: [failed to restore the stack] Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6119, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=6111) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6119, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=6111) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:273 (ffmpeg+0x00000081e23c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6119, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=6111) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:277 (ffmpeg+0x00000081e2b8) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6119, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=6111) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1646 (ffmpeg+0x0000009fb1f8) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6119, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=6111) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6119, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=6111) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6119, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=6111) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6119, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=6111) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6119, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=6111) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6119, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=6111) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6119, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=6111) Read of size 8 at 0x7b98000050c8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6119, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=6111) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1371): #0 get_vlc2 src/libavcodec/get_bits.h:564 (ffmpeg+0x0000009fac40) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1637 (ffmpeg+0x0000009fac40) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6119, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth1-mpeg4-nr.out.rawvideo': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288 [SAR 1:1 DAR 11:9], q=2-31, 30412 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo frame= 50 fps=0.0 q=-0.0 Lsize= 7425kB time=00:00:02.00 bitrate=30412.8kbits/s speed=2.32x video:7425kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 16 warnings
diff	stderr	vsynth1-mpeg4-nsse	66	N-121806-gb399896046

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth1-mpeg4-nsse 2017-03-24 21:02:53.649713172 +0000 +++ tests/data/fate/vsynth1-mpeg4-nsse 2017-09-06 03:56:56.250730797 +0000 @@ -1,4 +1,2 @@ 1c2eac81a7768afe8dba1df85e977aec tests/data/fate/vsynth1-mpeg4-nsse.avi 886846 tests/data/fate/vsynth1-mpeg4-nsse.avi -a987cb2e49284ea83174e3a2c6527173 tests/data/fate/vsynth1-mpeg4-nsse.out.rawvideo -stddev: 6.00 PSNR: 32.57 MAXDIFF: 73 bytes: 7603200/ 7603200

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth1.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 30412 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288, 30412 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -q:a or -q:v, -qscale is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth1-mpeg4-nsse.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 352x288, q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 frame= 50 fps= 16 q=7.0 Lsize= 866kB time=00:00:02.00 bitrate=3547.4kbits/s speed=0.628x video:859kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.781276% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, avi, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth1-mpeg4-nsse.avi': Duration: 00:00:02.00, start: 0.000000, bitrate: 3547 kb/s Stream #0:0: Video: mpeg4 (Simple Profile) (FMP4 / 0x34504D46), yuv420p, 352x288 [SAR 1:1 DAR 11:9], 3591 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=6035) Read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 decode_slice src/libavcodec/h263dec.c:198 (ffmpeg+0x00000081d7e2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6037, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=6035) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6037, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=6035) Read of size 8 at 0x7b9800003018 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003018 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_block src/libavcodec/mpeg4videodec.c:1243 (ffmpeg+0x0000009fc0b0) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1674 (ffmpeg+0x0000009fc0b0) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6037, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=6035) Read of size 8 at 0x7b9800003a60 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003a64 by thread T1: [failed to restore the stack] Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6037, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=6035) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6037, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=6035) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:273 (ffmpeg+0x00000081e23c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6037, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=6035) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:277 (ffmpeg+0x00000081e2b8) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6037, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=6035) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1646 (ffmpeg+0x0000009fb1f8) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6037, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=6035) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6037, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=6035) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6037, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=6035) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6037, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=6035) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6037, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=6035) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6037, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=6035) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6037, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=6035) Read of size 8 at 0x7b98000050c8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6037, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=6035) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1371): #0 get_vlc2 src/libavcodec/get_bits.h:564 (ffmpeg+0x0000009fac40) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1637 (ffmpeg+0x0000009fac40) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6037, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth1-mpeg4-nsse.out.rawvideo': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288 [SAR 1:1 DAR 11:9], q=2-31, 30412 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo frame= 50 fps= 48 q=-0.0 Lsize= 7425kB time=00:00:02.00 bitrate=30412.8kbits/s speed=1.93x video:7425kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 16 warnings
diff	stderr	vsynth1-mpeg4-qpel	66	N-121732-g133a0bcb13

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth1-mpeg4-qpel 2017-03-24 21:02:53.649713172 +0000 +++ tests/data/fate/vsynth1-mpeg4-qpel 2017-09-06 03:56:54.160730854 +0000 @@ -1,4 +1,2 @@ cb55178feaf790db7bca758708f989dd tests/data/fate/vsynth1-mpeg4-qpel.avi 858684 tests/data/fate/vsynth1-mpeg4-qpel.avi -5089090df7169eb482532df5471d7f5f tests/data/fate/vsynth1-mpeg4-qpel.out.rawvideo -stddev: 5.63 PSNR: 33.11 MAXDIFF: 70 bytes: 7603200/ 7603200

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth1.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 30412 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288, 30412 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -q:a or -q:v, -qscale is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth1-mpeg4-qpel.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 352x288, q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 frame= 50 fps=4.4 q=7.0 Lsize= 839kB time=00:00:01.96 bitrate=3504.8kbits/s speed=0.172x video:832kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.807343% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, avi, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth1-mpeg4-qpel.avi': Duration: 00:00:02.00, start: 0.000000, bitrate: 3434 kb/s Stream #0:0: Video: mpeg4 (Advanced Simple Profile) (FMP4 / 0x34504D46), yuv420p, 352x288 [SAR 1:1 DAR 11:9], 3476 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=5974) Read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 decode_slice src/libavcodec/h263dec.c:198 (ffmpeg+0x00000081d7e2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5976, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5974) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5976, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5974) Read of size 8 at 0x7b9800003018 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003018 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_block src/libavcodec/mpeg4videodec.c:1243 (ffmpeg+0x0000009fc0b0) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1674 (ffmpeg+0x0000009fc0b0) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5976, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5974) Read of size 8 at 0x7b9800003a60 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003a60 by thread T1: [failed to restore the stack] Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5976, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5974) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5976, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5974) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:273 (ffmpeg+0x00000081e23c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5976, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5974) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:277 (ffmpeg+0x00000081e2b8) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5976, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5974) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1646 (ffmpeg+0x0000009fb1f8) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5976, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5974) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5976, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5974) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5976, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5974) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5976, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5974) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5976, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5974) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5976, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5974) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5976, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5974) Read of size 8 at 0x7b98000050c8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5976, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5974) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1371): #0 get_vlc2 src/libavcodec/get_bits.h:564 (ffmpeg+0x0000009fac40) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1637 (ffmpeg+0x0000009fac40) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5976, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth1-mpeg4-qpel.out.rawvideo': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288 [SAR 1:1 DAR 11:9], q=2-31, 30412 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo frame= 50 fps=0.0 q=-0.0 Lsize= 7425kB time=00:00:02.04 bitrate=29816.5kbits/s speed=2.34x video:7425kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 16 warnings
diff	stderr	vsynth1-mpeg4-qprd	66	N-121766-g57d6898730

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth1-mpeg4-qprd 2017-03-24 21:02:53.649713172 +0000 +++ tests/data/fate/vsynth1-mpeg4-qprd 2017-09-06 03:56:56.860730780 +0000 @@ -1,4 +1,2 @@ 14612d85cd7f77de7b5e6345240535ba tests/data/fate/vsynth1-mpeg4-qprd.avi 710676 tests/data/fate/vsynth1-mpeg4-qprd.avi -693231ac7e6fbf8758415f9f2509408d tests/data/fate/vsynth1-mpeg4-qprd.out.rawvideo -stddev: 9.79 PSNR: 28.31 MAXDIFF: 176 bytes: 7603200/ 7603200

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth1.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 30412 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288, 30412 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -b:a or -b:v, -b is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth1-mpeg4-qprd.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 352x288, q=2-31, 450 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/450000 buffer size: 0 vbv_delay: -1 frame= 50 fps=3.2 q=30.3 Lsize= 694kB time=00:00:01.96 bitrate=2900.7kbits/s speed=0.126x video:687kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.976552% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, avi, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth1-mpeg4-qprd.avi': Duration: 00:00:02.00, start: 0.000000, bitrate: 2842 kb/s Stream #0:0: Video: mpeg4 (Advanced Simple Profile) (FMP4 / 0x34504D46), yuv420p, 352x288 [SAR 1:1 DAR 11:9], 2872 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005840 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:34 (ffmpeg+0x000000a17cef) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17cef) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005840 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg_er.c:34 in set_erpic ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005848 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:35 (ffmpeg+0x000000a17d02) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d02) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005848 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg_er.c:35 in set_erpic ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005850 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:38 (ffmpeg+0x000000a17d26) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d26) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005850 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg_er.c:38 in set_erpic ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005860 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:39 (ffmpeg+0x000000a17d4c) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d4c) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005860 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg_er.c:39 in set_erpic ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005858 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:38 (ffmpeg+0x000000a17d6c) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d6c) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005858 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg_er.c:38 in set_erpic ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005868 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:39 (ffmpeg+0x000000a17d92) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d92) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005868 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg_er.c:39 in set_erpic ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005870 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:42 (ffmpeg+0x000000a17db2) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17db2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005870 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg_er.c:42 in set_erpic ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 4 at 0x7b9800005878 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:43 (ffmpeg+0x000000a17dd7) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17dd7) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005878 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg_er.c:43 in set_erpic ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b98000058c0 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:34 (ffmpeg+0x000000a17e31) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17e31) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000058c0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg_er.c:34 in set_erpic ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b98000058c8 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:35 (ffmpeg+0x000000a17e44) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17e44) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000058c8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg_er.c:35 in set_erpic ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b98000058d0 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:38 (ffmpeg+0x000000a17e68) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17e68) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000058d0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg_er.c:38 in set_erpic ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b98000058e0 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:39 (ffmpeg+0x000000a17e8e) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17e8e) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000058e0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg_er.c:39 in set_erpic ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b98000058d8 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:38 (ffmpeg+0x000000a17eae) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17eae) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000058d8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg_er.c:38 in set_erpic ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b98000058e8 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:39 (ffmpeg+0x000000a17ed4) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17ed4) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000058e8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg_er.c:39 in set_erpic ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b98000058f0 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:42 (ffmpeg+0x000000a17ef4) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17ef4) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000058f0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg_er.c:42 in set_erpic ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 4 at 0x7b98000058f8 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:43 (ffmpeg+0x000000a17f19) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17f19) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000058f8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg_er.c:43 in set_erpic ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005880 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:29 (ffmpeg+0x000000a18147) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:52 (ffmpeg+0x000000a18147) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005880 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg_er.c:29 in set_erpic ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005888 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:30 (ffmpeg+0x000000a1815e) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:52 (ffmpeg+0x000000a1815e) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005888 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg_er.c:30 in set_erpic ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 2 at 0x7b9800005920 by thread T1 (mutexes: write M1371): #0 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:54 (ffmpeg+0x000000a18080) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005920 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg_er.c:54 in ff_mpeg_er_frame_start ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 4 at 0x7b9800005928 by thread T1 (mutexes: write M1371): #0 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:57 (ffmpeg+0x000000a180ef) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005928 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg_er.c:57 in ff_mpeg_er_frame_start ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005358 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1013 (ffmpeg+0x00000012c545) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005358 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1013 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005720 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1016 (ffmpeg+0x00000012c55b) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005720 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1016 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005728 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1017 (ffmpeg+0x00000012c56e) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005728 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1017 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005730 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1018 (ffmpeg+0x00000012c588) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005730 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1018 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005738 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1019 (ffmpeg+0x00000012c5a2) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005738 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1019 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005740 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1020 (ffmpeg+0x00000012c5bc) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005740 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1020 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005748 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1021 (ffmpeg+0x00000012c5cf) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005748 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1021 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005750 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1022 (ffmpeg+0x00000012c5e9) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005750 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1022 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005758 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1023 (ffmpeg+0x00000012c603) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005758 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1023 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b98000053c0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1029 (ffmpeg+0x00000012c61a) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000053c0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1029 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b98000053c8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1029 (ffmpeg+0x00000012c62e) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000053c8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1029 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b98000053e0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1030 (ffmpeg+0x00000012c645) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000053e0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1030 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b98000053e8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1031 (ffmpeg+0x00000012c65f) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000053e8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1031 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b98000053f0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1032 (ffmpeg+0x00000012c679) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000053f0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1032 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b98000053f8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1032 (ffmpeg+0x00000012c693) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000053f8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1032 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b98000055a0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1033 (ffmpeg+0x00000012c6ad) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000055a0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1033 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b98000055a8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1033 (ffmpeg+0x00000012c6c7) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000055a8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1033 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b98000055d0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1035 (ffmpeg+0x00000012c6e1) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000055d0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1035 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b98000055d8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1035 (ffmpeg+0x00000012c6fb) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000055d8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1035 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005360 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1037 (ffmpeg+0x00000012c712) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005360 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1037 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005368 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1038 (ffmpeg+0x00000012c71f) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005368 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1038 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005390 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1039 (ffmpeg+0x00000012c72c) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005390 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1039 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005398 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1040 (ffmpeg+0x00000012c740) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005398 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1040 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b98000053a0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1041 (ffmpeg+0x00000012c754) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000053a0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1041 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005420 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1042 (ffmpeg+0x00000012c76b) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005420 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1042 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005428 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1042 (ffmpeg+0x00000012c785) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005428 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1042 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005480 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1043 (ffmpeg+0x00000012c79f) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005480 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1043 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005488 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1043 (ffmpeg+0x00000012c7b9) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005488 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1043 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005450 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1044 (ffmpeg+0x00000012c7d3) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005450 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1044 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005458 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1044 (ffmpeg+0x00000012c7ed) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005458 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1044 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b98000054b0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1045 (ffmpeg+0x00000012c807) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000054b0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1045 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b98000054b8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1046 (ffmpeg+0x00000012c821) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000054b8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1046 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b98000054d0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1047 (ffmpeg+0x00000012c83b) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000054d0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1047 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b98000054d8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1048 (ffmpeg+0x00000012c855) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000054d8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1048 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b98000054e0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1049 (ffmpeg+0x00000012c86f) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000054e0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1049 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b98000054e8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1050 (ffmpeg+0x00000012c889) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000054e8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1050 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005500 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1051 (ffmpeg+0x00000012c8a3) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005500 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1051 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005508 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1052 (ffmpeg+0x00000012c8bd) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005508 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1052 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005510 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1053 (ffmpeg+0x00000012c8d7) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005510 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1053 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005518 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1054 (ffmpeg+0x00000012c8f1) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005518 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1054 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005540 by thread T1 (mutexes: write M1371): #0 ff_dsputil_init_dwt src/libavcodec/snow_dwt.c:844 (ffmpeg+0x00000014cc6c) #1 ff_me_cmp_init src/libavcodec/me_cmp.c:1056 (ffmpeg+0x00000012c907) #2 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #3 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005540 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/snow_dwt.c:844 in ff_dsputil_init_dwt ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005548 by thread T1 (mutexes: write M1371): #0 ff_dsputil_init_dwt src/libavcodec/snow_dwt.c:845 (ffmpeg+0x00000014cc86) #1 ff_me_cmp_init src/libavcodec/me_cmp.c:1056 (ffmpeg+0x00000012c907) #2 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #3 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005548 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/snow_dwt.c:845 in ff_dsputil_init_dwt ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005570 by thread T1 (mutexes: write M1371): #0 ff_dsputil_init_dwt src/libavcodec/snow_dwt.c:846 (ffmpeg+0x00000014cca0) #1 ff_me_cmp_init src/libavcodec/me_cmp.c:1056 (ffmpeg+0x00000012c907) #2 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #3 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005570 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/snow_dwt.c:846 in ff_dsputil_init_dwt ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005578 by thread T1 (mutexes: write M1371): #0 ff_dsputil_init_dwt src/libavcodec/snow_dwt.c:847 (ffmpeg+0x00000014ccba) #1 ff_me_cmp_init src/libavcodec/me_cmp.c:1056 (ffmpeg+0x00000012c907) #2 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #3 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005578 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/snow_dwt.c:847 in ff_dsputil_init_dwt ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005760 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1070 (ffmpeg+0x00000012c91e) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005760 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1070 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800005768 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1071 (ffmpeg+0x00000012c938) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005768 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/me_cmp.c:1071 in ff_me_cmp_init ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 4 at 0x7b9800005790 by thread T1 (mutexes: write M1371): #0 ff_er_frame_start src/libavcodec/error_resilience.c:805 (ffmpeg+0x0000010a8e5b) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005790 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/error_resilience.c:805 in ff_er_frame_start ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 4 at 0x7b98000057c0 by thread T1 (mutexes: write M1371): #0 ff_er_frame_start src/libavcodec/error_resilience.c:810 (ffmpeg+0x0000010a8e0d) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000057c0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/error_resilience.c:810 in ff_er_frame_start ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1371): #0 ff_h263_decode_frame src/libavcodec/h263dec.c:634 (ffmpeg+0x00000081f775) #1 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/h263dec.c:634 in ff_h263_decode_frame ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1371): #0 ff_h263_decode_frame src/libavcodec/h263dec.c:635 (ffmpeg+0x00000081f793) #1 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/h263dec.c:635 in ff_h263_decode_frame ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800004f68 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:193 (ffmpeg+0x00000081d702) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800004f68 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/h263dec.c:193 in decode_slice ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 4 at 0x7b9800005124 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:194 (ffmpeg+0x00000081d754) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005120 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/h263dec.c:194 in decode_slice ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 4 at 0x7b9800004f60 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:195 (ffmpeg+0x00000081d782) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800004f60 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/h263dec.c:195 in decode_slice ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 4 at 0x7b9800003a60 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2813 (ffmpeg+0x000000a4f136) #1 decode_slice src/libavcodec/h263dec.c:198 (ffmpeg+0x00000081d7e2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800003a60 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:2813 in ff_set_qscale ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 decode_slice src/libavcodec/h263dec.c:198 (ffmpeg+0x00000081d7e2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:2816 in ff_set_qscale ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:2748 in ff_init_block_index ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:2750 in ff_init_block_index ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:2752 in ff_init_block_index ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:2756 in ff_init_block_index ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:2757 in ff_init_block_index ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:2758 in ff_init_block_index ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/h263dec.c:250 in decode_slice ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1646 (ffmpeg+0x0000009fb1f8) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4videodec.c:1646 in mpeg4_decode_mb ================== ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4videodec.c:1649 in mpeg4_decode_mb ================== Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth1-mpeg4-qprd.out.rawvideo': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288 [SAR 1:1 DAR 11:9], q=2-31, 30412 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo ================== WARNING: ThreadSanitizer: data race (pid=6042) Write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 4 at 0x7b98000050cc by main thread (mutexes: write M1373): #0 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:568 (ffmpeg+0x000000a43ab3) #1 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #2 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #3 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #4 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #5 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #6 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #7 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #8 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #9 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #10 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #11 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #12 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #13 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #14 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #15 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=6044, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/h263dec.c:271 in decode_slice ================== frame= 50 fps=0.0 q=-0.0 Lsize= 7425kB time=00:00:02.04 bitrate=29816.5kbits/s speed=2.21x video:7425kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 85 warnings
diff	stderr	vsynth1-mpeg4-rc	66	N-121792-gf60db2e566

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth1-mpeg4-rc 2017-03-24 21:02:53.649713172 +0000 +++ tests/data/fate/vsynth1-mpeg4-rc 2017-09-06 03:56:41.160731188 +0000 @@ -1,4 +1,2 @@ 91c127f2acc04f51e0e62bcf0752e064 tests/data/fate/vsynth1-mpeg4-rc.avi 830498 tests/data/fate/vsynth1-mpeg4-rc.avi -9dcd9d022ae14fe1e4a53aa4865464c6 tests/data/fate/vsynth1-mpeg4-rc.out.rawvideo -stddev: 10.24 PSNR: 27.92 MAXDIFF: 196 bytes: 7603200/ 7603200

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth1.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 30412 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288, 30412 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -b:a or -b:v, -b is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth1-mpeg4-rc.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 352x288, q=2-31, 400 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/400000 buffer size: 0 vbv_delay: -1 frame= 50 fps= 18 q=30.3 Lsize= 811kB time=00:00:01.96 bitrate=3389.8kbits/s speed= 0.7x video:804kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.834482% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, avi, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth1-mpeg4-rc.avi': Duration: 00:00:02.00, start: 0.000000, bitrate: 3321 kb/s Stream #0:0: Video: mpeg4 (Advanced Simple Profile) (FMP4 / 0x34504D46), yuv420p, 352x288 [SAR 1:1 DAR 11:9], 3361 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=5833) Read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 decode_slice src/libavcodec/h263dec.c:198 (ffmpeg+0x00000081d7e2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5839, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5833) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5839, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5833) Read of size 8 at 0x7b9800003018 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003018 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_block src/libavcodec/mpeg4videodec.c:1243 (ffmpeg+0x0000009fc0b0) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1674 (ffmpeg+0x0000009fc0b0) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5839, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5833) Read of size 8 at 0x7b9800003a60 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003a60 by thread T1: [failed to restore the stack] Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5839, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5833) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5839, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5833) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:273 (ffmpeg+0x00000081e23c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5839, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5833) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:277 (ffmpeg+0x00000081e2b8) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5839, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5833) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1646 (ffmpeg+0x0000009fb1f8) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5839, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5833) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5839, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5833) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5839, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5833) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5839, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5833) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5839, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5833) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5839, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5833) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5839, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5833) Read of size 8 at 0x7b98000050c8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5839, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=5833) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1371): #0 get_vlc2 src/libavcodec/get_bits.h:564 (ffmpeg+0x0000009fac40) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1637 (ffmpeg+0x0000009fac40) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=5839, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth1-mpeg4-rc.out.rawvideo': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288 [SAR 1:1 DAR 11:9], q=2-31, 30412 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo frame= 50 fps=0.0 q=-0.0 Lsize= 7425kB time=00:00:02.04 bitrate=29816.5kbits/s speed=2.36x video:7425kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 16 warnings
diff	stderr	vsynth1-mpeg4-thread	66	N-121759-ge096a592cb

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth1-mpeg4-thread 2017-03-24 21:02:53.649713172 +0000 +++ tests/data/fate/vsynth1-mpeg4-thread 2017-09-06 03:56:47.224064369 +0000 @@ -1,4 +0,0 @@ -369ace2f9613261af869efd9fbb3c149 tests/data/fate/vsynth1-mpeg4-thread.avi -774754 tests/data/fate/vsynth1-mpeg4-thread.avi -9aa327a244d5179acf7fe64dc1459bff tests/data/fate/vsynth1-mpeg4-thread.out.rawvideo -stddev: 10.13 PSNR: 28.02 MAXDIFF: 183 bytes: 7603200/ 7603200

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth1.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 30412 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288, 30412 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -b:a or -b:v, -b is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth1-mpeg4-thread.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 352x288, q=2-31, 500 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/500000 buffer size: 0 vbv_delay: -1 ================== WARNING: ThreadSanitizer: data race (pid=5895) Write of size 2 at 0x7b8400000656 by thread T2 (mutexes: write M1370): #0 ff_mpeg4_pred_dc src/libavcodec/mpeg4video.h:252 (ffmpeg+0x000000a0a920) #1 ff_mpeg4_encode_mb src/libavcodec/mpeg4videoenc.c:805 (ffmpeg+0x000000a0a920) #2 encode_mb_internal src/libavcodec/mpegvideo_enc.c:2636 (ffmpeg+0x000000a682d0) #3 encode_mb src/libavcodec/mpegvideo_enc.c:2674 (ffmpeg+0x000000a682d0) #4 encode_thread src/libavcodec/mpegvideo_enc.c:3592 (ffmpeg+0x000000a682d0) #5 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #6 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x000001433de8) #7 thread_worker src/libavutil/slicethread.c:85 (ffmpeg+0x000001433de8) Previous read of size 2 at 0x7b8400000656 by main thread: [failed to restore the stack] Location is heap block of size 5078 at 0x7b8400000000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_frame src/libavcodec/mpegvideo.c:777 (ffmpeg+0x000000a3b1ff) #4 ff_mpv_common_init src/libavcodec/mpegvideo.c:943 (ffmpeg+0x000000136f3d) #5 ff_mpv_encode_init src/libavcodec/mpegvideo_enc.c:939 (ffmpeg+0x0000001391fd) #6 encode_init src/libavcodec/mpeg4videoenc.c:1282 (ffmpeg+0x000000132db4) #7 avcodec_open2 src/libavcodec/utils.c:1020 (ffmpeg+0x000000c6d697) #8 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #9 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #10 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #11 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #12 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Mutex M1370 (0x7b2000000388) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 avpriv_slicethread_create src/libavutil/slicethread.c:146 (ffmpeg+0x000001434422) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=5906, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4video.h:252 in ff_mpeg4_pred_dc ================== ================== WARNING: ThreadSanitizer: data race (pid=5895) Write of size 1 at 0x7b50000002e8 by thread T2 (mutexes: write M1370): #0 mpv_reconstruct_mb_internal src/libavcodec/mpegvideo.c:2500 (ffmpeg+0x000000a49215) #1 ff_mpv_reconstruct_mb src/libavcodec/mpegvideo.c:2733 (ffmpeg+0x000000a49215) #2 encode_thread src/libavcodec/mpegvideo_enc.c:3601 (ffmpeg+0x000000a67010) #3 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #4 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x000001433de8) #5 thread_worker src/libavutil/slicethread.c:85 (ffmpeg+0x000001433de8) Previous read of size 1 at 0x7b50000002e8 by main thread: [failed to restore the stack] Location is heap block of size 461 at 0x7b5000000200 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_allocz src/libavutil/buffer.c:85 (ffmpeg+0x0000013fa4b8) #4 alloc_picture_tables src/libavcodec/mpegpicture.c:191 (ffmpeg+0x000000a38e6e) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:259 (ffmpeg+0x000000a38e6e) #6 alloc_picture src/libavcodec/mpegvideo_enc.c:1240 (ffmpeg+0x000000a5bac5) #7 load_input_picture src/libavcodec/mpegvideo_enc.c:1313 (ffmpeg+0x000000a5bac5) #8 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1926 (ffmpeg+0x000000a5bac5) #9 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #10 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #11 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #12 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #13 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #14 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Mutex M1370 (0x7b2000000388) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 avpriv_slicethread_create src/libavutil/slicethread.c:146 (ffmpeg+0x000001434422) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=5906, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:2500 in mpv_reconstruct_mb_internal ================== ================== WARNING: ThreadSanitizer: data race (pid=5895) Write of size 2 at 0x7b8400000ea4 by main thread: #0 ff_clean_intra_table_entries src/libavcodec/mpegvideo.c:2456 (ffmpeg+0x000000a487ae) #1 mpv_reconstruct_mb_internal src/libavcodec/mpegvideo.c:2506 (ffmpeg+0x000000a4c1cf) #2 ff_mpv_reconstruct_mb src/libavcodec/mpegvideo.c:2733 (ffmpeg+0x000000a4c1cf) #3 encode_thread src/libavcodec/mpegvideo_enc.c:3601 (ffmpeg+0x000000a67010) #4 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #5 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x0000014340ce) #6 avpriv_slicethread_execute src/libavutil/slicethread.c:192 (ffmpeg+0x0000014340ce) #7 thread_execute src/libavcodec/pthread_slice.c:102 (ffmpeg+0x000000b06757) #8 encode_picture src/libavcodec/mpegvideo_enc.c:4020 (ffmpeg+0x000000a5e63a) #9 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1964 (ffmpeg+0x000000a5e63a) #10 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #11 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #12 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #13 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #14 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #15 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #16 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #17 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Previous read of size 2 at 0x7b8400000ea4 by thread T2: [failed to restore the stack] Location is heap block of size 5078 at 0x7b8400000000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_frame src/libavcodec/mpegvideo.c:777 (ffmpeg+0x000000a3b1ff) #4 ff_mpv_common_init src/libavcodec/mpegvideo.c:943 (ffmpeg+0x000000136f3d) #5 ff_mpv_encode_init src/libavcodec/mpegvideo_enc.c:939 (ffmpeg+0x0000001391fd) #6 encode_init src/libavcodec/mpeg4videoenc.c:1282 (ffmpeg+0x000000132db4) #7 avcodec_open2 src/libavcodec/utils.c:1020 (ffmpeg+0x000000c6d697) #8 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #9 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #10 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #11 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #12 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=5906, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:2456 in ff_clean_intra_table_entries ================== ================== WARNING: ThreadSanitizer: data race (pid=5895) Write of size 2 at 0x7b840000065e by main thread: #0 ff_mpeg4_pred_dc src/libavcodec/mpeg4video.h:252 (ffmpeg+0x000000a0a920) #1 ff_mpeg4_encode_mb src/libavcodec/mpeg4videoenc.c:805 (ffmpeg+0x000000a0a920) #2 encode_mb_internal src/libavcodec/mpegvideo_enc.c:2636 (ffmpeg+0x000000a56cfe) #3 encode_mb src/libavcodec/mpegvideo_enc.c:2674 (ffmpeg+0x000000a56cfe) #4 encode_mb_hq src/libavcodec/mpegvideo_enc.c:2768 (ffmpeg+0x000000a56cfe) #5 encode_thread src/libavcodec/mpegvideo_enc.c:3340 (ffmpeg+0x000000a67cb1) #6 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #7 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x0000014340ce) #8 avpriv_slicethread_execute src/libavutil/slicethread.c:192 (ffmpeg+0x0000014340ce) #9 thread_execute src/libavcodec/pthread_slice.c:102 (ffmpeg+0x000000b06757) #10 encode_picture src/libavcodec/mpegvideo_enc.c:4020 (ffmpeg+0x000000a5e63a) #11 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1964 (ffmpeg+0x000000a5e63a) #12 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #13 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #14 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #15 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #16 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #17 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #18 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #19 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Previous read of size 2 at 0x7b840000065e by thread T2: [failed to restore the stack] Location is heap block of size 5078 at 0x7b8400000000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_frame src/libavcodec/mpegvideo.c:777 (ffmpeg+0x000000a3b1ff) #4 ff_mpv_common_init src/libavcodec/mpegvideo.c:943 (ffmpeg+0x000000136f3d) #5 ff_mpv_encode_init src/libavcodec/mpegvideo_enc.c:939 (ffmpeg+0x0000001391fd) #6 encode_init src/libavcodec/mpeg4videoenc.c:1282 (ffmpeg+0x000000132db4) #7 avcodec_open2 src/libavcodec/utils.c:1020 (ffmpeg+0x000000c6d697) #8 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #9 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #10 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #11 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #12 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=5906, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4video.h:252 in ff_mpeg4_pred_dc ================== ================== WARNING: ThreadSanitizer: data race (pid=5895) Write of size 1 at 0x7b50000006ed by main thread: #0 encode_thread src/libavcodec/mpegvideo_enc.c:3449 (ffmpeg+0x000000a65fec) #1 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #2 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x0000014340ce) #3 avpriv_slicethread_execute src/libavutil/slicethread.c:192 (ffmpeg+0x0000014340ce) #4 thread_execute src/libavcodec/pthread_slice.c:102 (ffmpeg+0x000000b06757) #5 encode_picture src/libavcodec/mpegvideo_enc.c:4020 (ffmpeg+0x000000a5e63a) #6 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1964 (ffmpeg+0x000000a5e63a) #7 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #8 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #9 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #10 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #11 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #12 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #13 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #14 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Previous read of size 1 at 0x7b50000006ed by thread T2: [failed to restore the stack] Location is heap block of size 461 at 0x7b5000000600 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_allocz src/libavutil/buffer.c:85 (ffmpeg+0x0000013fa4b8) #4 alloc_picture_tables src/libavcodec/mpegpicture.c:191 (ffmpeg+0x000000a38e6e) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:259 (ffmpeg+0x000000a38e6e) #6 alloc_picture src/libavcodec/mpegvideo_enc.c:1240 (ffmpeg+0x000000a5bac5) #7 load_input_picture src/libavcodec/mpegvideo_enc.c:1313 (ffmpeg+0x000000a5bac5) #8 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1926 (ffmpeg+0x000000a5bac5) #9 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #10 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #11 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #12 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #13 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #14 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=5906, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo_enc.c:3449 in encode_thread ================== ================== WARNING: ThreadSanitizer: data race (pid=5895) Write of size 1 at 0x7b50000008e8 by thread T2 (mutexes: write M1370): #0 encode_thread src/libavcodec/mpegvideo_enc.c:3449 (ffmpeg+0x000000a65fec) #1 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #2 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x000001433de8) #3 thread_worker src/libavutil/slicethread.c:85 (ffmpeg+0x000001433de8) Previous read of size 1 at 0x7b50000008e8 by main thread: [failed to restore the stack] Location is heap block of size 461 at 0x7b5000000800 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:45 (ffmpeg+0x000000a3895a) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3895a) #6 alloc_picture src/libavcodec/mpegvideo_enc.c:1240 (ffmpeg+0x000000a5bac5) #7 load_input_picture src/libavcodec/mpegvideo_enc.c:1313 (ffmpeg+0x000000a5bac5) #8 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1926 (ffmpeg+0x000000a5bac5) #9 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #10 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #11 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #12 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #13 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #14 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Mutex M1370 (0x7b2000000388) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 avpriv_slicethread_create src/libavutil/slicethread.c:146 (ffmpeg+0x000001434422) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=5906, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo_enc.c:3449 in encode_thread ================== ================== WARNING: ThreadSanitizer: data race (pid=5895) Write of size 1 at 0x7b50000002f3 by thread T2 (mutexes: write M1370): #0 mpv_reconstruct_mb_internal src/libavcodec/mpegvideo.c:2500 (ffmpeg+0x000000a49215) #1 ff_mpv_reconstruct_mb src/libavcodec/mpegvideo.c:2733 (ffmpeg+0x000000a49215) #2 encode_thread src/libavcodec/mpegvideo_enc.c:3601 (ffmpeg+0x000000a67010) #3 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #4 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x000001433de8) #5 thread_worker src/libavutil/slicethread.c:85 (ffmpeg+0x000001433de8) Previous read of size 1 at 0x7b50000002f3 by main thread: #0 decide_ac_pred src/libavcodec/mpeg4videoenc.c:152 (ffmpeg+0x000000a0be19) #1 ff_mpeg4_encode_mb src/libavcodec/mpeg4videoenc.c:808 (ffmpeg+0x000000a0be19) #2 encode_mb_internal src/libavcodec/mpegvideo_enc.c:2636 (ffmpeg+0x000000a682d0) #3 encode_mb src/libavcodec/mpegvideo_enc.c:2674 (ffmpeg+0x000000a682d0) #4 encode_thread src/libavcodec/mpegvideo_enc.c:3592 (ffmpeg+0x000000a682d0) #5 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #6 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x0000014340ce) #7 avpriv_slicethread_execute src/libavutil/slicethread.c:192 (ffmpeg+0x0000014340ce) #8 thread_execute src/libavcodec/pthread_slice.c:102 (ffmpeg+0x000000b06757) #9 encode_picture src/libavcodec/mpegvideo_enc.c:4020 (ffmpeg+0x000000a5e63a) #10 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1964 (ffmpeg+0x000000a5e63a) #11 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #12 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #13 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #14 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #15 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #16 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #17 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #18 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Location is heap block of size 461 at 0x7b5000000200 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:45 (ffmpeg+0x000000a3895a) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3895a) #6 alloc_picture src/libavcodec/mpegvideo_enc.c:1240 (ffmpeg+0x000000a5bac5) #7 load_input_picture src/libavcodec/mpegvideo_enc.c:1313 (ffmpeg+0x000000a5bac5) #8 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1926 (ffmpeg+0x000000a5bac5) #9 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #10 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #11 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #12 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #13 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #14 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Mutex M1370 (0x7b2000000388) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 avpriv_slicethread_create src/libavutil/slicethread.c:146 (ffmpeg+0x000001434422) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=5906, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:2500 in mpv_reconstruct_mb_internal ================== ================== WARNING: ThreadSanitizer: data race (pid=5895) Write of size 1 at 0x7b50000006f1 by main thread: #0 encode_thread src/libavcodec/mpegvideo_enc.c:3449 (ffmpeg+0x000000a65fec) #1 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #2 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x0000014340ce) #3 avpriv_slicethread_execute src/libavutil/slicethread.c:192 (ffmpeg+0x0000014340ce) #4 thread_execute src/libavcodec/pthread_slice.c:102 (ffmpeg+0x000000b06757) #5 encode_picture src/libavcodec/mpegvideo_enc.c:4020 (ffmpeg+0x000000a5e63a) #6 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1964 (ffmpeg+0x000000a5e63a) #7 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #8 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #9 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #10 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #11 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #12 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #13 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #14 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Previous read of size 1 at 0x7b50000006f1 by thread T2 (mutexes: write M1370): #0 decide_ac_pred src/libavcodec/mpeg4videoenc.c:152 (ffmpeg+0x000000a0be19) #1 ff_mpeg4_encode_mb src/libavcodec/mpeg4videoenc.c:808 (ffmpeg+0x000000a0be19) #2 encode_mb_internal src/libavcodec/mpegvideo_enc.c:2636 (ffmpeg+0x000000a56cfe) #3 encode_mb src/libavcodec/mpegvideo_enc.c:2674 (ffmpeg+0x000000a56cfe) #4 encode_mb_hq src/libavcodec/mpegvideo_enc.c:2768 (ffmpeg+0x000000a56cfe) #5 encode_thread src/libavcodec/mpegvideo_enc.c:3340 (ffmpeg+0x000000a67cb1) #6 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #7 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x000001433de8) #8 thread_worker src/libavutil/slicethread.c:85 (ffmpeg+0x000001433de8) Location is heap block of size 461 at 0x7b5000000600 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:45 (ffmpeg+0x000000a3895a) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3895a) #6 alloc_picture src/libavcodec/mpegvideo_enc.c:1240 (ffmpeg+0x000000a5bac5) #7 load_input_picture src/libavcodec/mpegvideo_enc.c:1313 (ffmpeg+0x000000a5bac5) #8 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1926 (ffmpeg+0x000000a5bac5) #9 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #10 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #11 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #12 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #13 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #14 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Mutex M1370 (0x7b2000000388) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 avpriv_slicethread_create src/libavutil/slicethread.c:146 (ffmpeg+0x000001434422) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=5906, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo_enc.c:3449 in encode_thread ================== ================== WARNING: ThreadSanitizer: data race (pid=5895) Write of size 1 at 0x7b50000000eb by thread T2 (mutexes: write M1370): #0 encode_thread src/libavcodec/mpegvideo_enc.c:3449 (ffmpeg+0x000000a65fec) #1 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #2 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x000001433de8) #3 thread_worker src/libavutil/slicethread.c:85 (ffmpeg+0x000001433de8) Previous read of size 1 at 0x7b50000000eb by main thread: #0 decide_ac_pred src/libavcodec/mpeg4videoenc.c:152 (ffmpeg+0x000000a0be19) #1 ff_mpeg4_encode_mb src/libavcodec/mpeg4videoenc.c:808 (ffmpeg+0x000000a0be19) #2 encode_mb_internal src/libavcodec/mpegvideo_enc.c:2636 (ffmpeg+0x000000a56cfe) #3 encode_mb src/libavcodec/mpegvideo_enc.c:2674 (ffmpeg+0x000000a56cfe) #4 encode_mb_hq src/libavcodec/mpegvideo_enc.c:2768 (ffmpeg+0x000000a56cfe) #5 encode_thread src/libavcodec/mpegvideo_enc.c:3340 (ffmpeg+0x000000a67cb1) #6 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #7 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x0000014340ce) #8 avpriv_slicethread_execute src/libavutil/slicethread.c:192 (ffmpeg+0x0000014340ce) #9 thread_execute src/libavcodec/pthread_slice.c:102 (ffmpeg+0x000000b06757) #10 encode_picture src/libavcodec/mpegvideo_enc.c:4020 (ffmpeg+0x000000a5e63a) #11 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1964 (ffmpeg+0x000000a5e63a) #12 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #13 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #14 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #15 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #16 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #17 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #18 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #19 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Location is heap block of size 461 at 0x7b5000000000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:45 (ffmpeg+0x000000a3895a) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3895a) #6 alloc_picture src/libavcodec/mpegvideo_enc.c:1240 (ffmpeg+0x000000a5bac5) #7 load_input_picture src/libavcodec/mpegvideo_enc.c:1313 (ffmpeg+0x000000a5bac5) #8 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1926 (ffmpeg+0x000000a5bac5) #9 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #10 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #11 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #12 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #13 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #14 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Mutex M1370 (0x7b2000000388) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 avpriv_slicethread_create src/libavutil/slicethread.c:146 (ffmpeg+0x000001434422) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=5906, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo_enc.c:3449 in encode_thread ================== frame= 50 fps=7.1 q=30.2 Lsize= 757kB time=00:00:01.96 bitrate=3162.3kbits/s speed=0.28x video:750kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.895323% ThreadSanitizer: reported 9 warnings
diff	stderr	vsynth2-dnxhd-720p-rd	66	N-121824-g775b102182

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth2-dnxhd-720p-rd 2017-03-24 21:02:53.649713172 +0000 +++ tests/data/fate/vsynth2-dnxhd-720p-rd 2017-09-06 04:03:03.287378237 +0000 @@ -1,4 +0,0 @@ -b723c7412a4c93f500b917ad721f6d21 tests/data/fate/vsynth2-dnxhd-720p-rd.dnxhd -2293760 tests/data/fate/vsynth2-dnxhd-720p-rd.dnxhd -b7c5de5578317654792c6ea31bfeeb7d tests/data/fate/vsynth2-dnxhd-720p-rd.out.rawvideo -stddev: 1.52 PSNR: 44.48 MAXDIFF: 31 bytes: 7603200/ 760320

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth2.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 30412 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288, 30412 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -b:a or -b:v, -b is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> dnxhd (native)) Output #0, dnxhd, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth2-dnxhd-720p-rd.dnxhd': Stream #0:0: Video: dnxhd (DNXHD), yuv422p, 1280x720, q=2-8, 90000 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc dnxhd frame= 5 fps=0.7 q=7.0 Lsize= 2240kB time=00:00:00.20 bitrate=91750.4kbits/s speed=0.0275x video:2240kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ================== WARNING: ThreadSanitizer: data race (pid=27475) Read of size 4 at 0x7b84000012f0 by thread T6: #0 worker src/libavcodec/frame_thread_encoder.c:66 (ffmpeg+0x0000007f349e) Previous write of size 4 at 0x7b84000012f0 by main thread (mutexes: write M1374): #0 ff_frame_thread_encoder_free src/libavcodec/frame_thread_encoder.c:239 (ffmpeg+0x0000007f379e) #1 avcodec_close src/libavcodec/utils.c:1174 (ffmpeg+0x000000154d6e) #2 avcodec_free_context src/libavcodec/options.c:179 (ffmpeg+0x000000acc217) #3 ffmpeg_cleanup src/ffmpeg.c:557 (ffmpeg+0x0000001eb8d9) #4 exit_program src/cmdutils.c:138 (ffmpeg+0x0000001c2418) #5 main src/ffmpeg.c:4787 (ffmpeg+0x0000001b69c0) Location is heap block of size 4856 at 0x7b8400000000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 ff_frame_thread_encoder_init src/libavcodec/frame_thread_encoder.c:175 (ffmpeg+0x0000007f39b3) #4 avcodec_open2 src/libavcodec/utils.c:814 (ffmpeg+0x000000c6e636) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Mutex M1374 (0x7b8400000038) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_encoder_init src/libavcodec/frame_thread_encoder.c:185 (ffmpeg+0x0000007f3a0a) #2 avcodec_open2 src/libavcodec/utils.c:814 (ffmpeg+0x000000c6e636) #3 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #4 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #5 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #6 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T6 (tid=27487, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_encoder_init src/libavcodec/frame_thread_encoder.c:219 (ffmpeg+0x0000007f3b7c) #2 avcodec_open2 src/libavcodec/utils.c:814 (ffmpeg+0x000000c6e636) #3 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #4 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #5 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #6 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/frame_thread_encoder.c:66 in worker ================== ThreadSanitizer: reported 1 warnings
diff	stderr	vsynth2-mpeg4	66	N-121791-g9b2162275b

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth2-mpeg4 2017-03-24 21:02:53.649713172 +0000 +++ tests/data/fate/vsynth2-mpeg4 2017-09-06 04:04:32.834038115 +0000 @@ -1,4 +1,2 @@ adbd883d1701beabd04522d003dafab6 tests/data/fate/vsynth2-mpeg4.mp4 159310 tests/data/fate/vsynth2-mpeg4.mp4 -2645405bc5350acc85ad72f3352f5135 tests/data/fate/vsynth2-mpeg4.out.rawvideo -stddev: 6.02 PSNR: 32.53 MAXDIFF: 89 bytes: 7603200/ 7603200

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth2.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 30412 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288, 30412 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -q:a or -q:v, -qscale is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, mp4, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth2-mpeg4.mp4': Stream #0:0: Video: mpeg4 (mp4v / 0x7634706D), yuv420p, 352x288, q=2-31, 200 kb/s, 25 fps, 12800 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 frame= 50 fps= 17 q=10.0 Lsize= 156kB time=00:00:01.96 bitrate= 650.2kbits/s speed=0.679x video:155kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.646294% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth2-mpeg4.mp4': Metadata: major_brand : isom minor_version : 512 compatible_brands: isomiso2mp41 Duration: 00:00:02.00, start: 0.000000, bitrate: 637 kb/s Stream #0:0(und): Video: mpeg4 (Simple Profile) (mp4v / 0x7634706D), yuv420p, 352x288 [SAR 1:1 DAR 11:9], 633 kb/s, 25 fps, 25 tbr, 12800 tbn, 25 tbc (default) Metadata: handler_name : VideoHandler Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=29043) Read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1370): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 decode_slice src/libavcodec/h263dec.c:198 (ffmpeg+0x00000081d7e2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29047, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29043) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1370): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29047, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29043) Read of size 8 at 0x7b9800003018 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003018 by thread T1 (mutexes: write M1370): #0 mpeg4_decode_block src/libavcodec/mpeg4videodec.c:1243 (ffmpeg+0x0000009fc0b0) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1674 (ffmpeg+0x0000009fc0b0) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29047, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29043) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1370): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29047, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29043) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1370): #0 decode_slice src/libavcodec/h263dec.c:273 (ffmpeg+0x00000081e23c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29047, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29043) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1370): #0 decode_slice src/libavcodec/h263dec.c:277 (ffmpeg+0x00000081e2b8) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29047, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29043) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1370): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1646 (ffmpeg+0x0000009fb1f8) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29047, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29043) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1370): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29047, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29043) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1370): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29047, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29043) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1370): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29047, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29043) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1370): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29047, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29043) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1370): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29047, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29043) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1370): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29047, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29043) Read of size 8 at 0x7b9800004f68 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004f68 by thread T1: [failed to restore the stack] Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29047, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29043) Read of size 8 at 0x7b98000050c8 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1370): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29047, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29043) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1372): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1370): #0 get_vlc2 src/libavcodec/get_bits.h:564 (ffmpeg+0x0000009fac40) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1637 (ffmpeg+0x0000009fac40) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29047, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth2-mpeg4.out.rawvideo': Metadata: major_brand : isom minor_version : 512 compatible_brands: isomiso2mp41 Stream #0:0(und): Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288 [SAR 1:1 DAR 11:9], q=2-31, 30412 kb/s, 25 fps, 25 tbn, 25 tbc (default) Metadata: handler_name : VideoHandler encoder : Lavc rawvideo frame= 50 fps=0.0 q=-0.0 Lsize= 7425kB time=00:00:02.00 bitrate=30412.8kbits/s speed=3.44x video:7425kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 16 warnings
diff	stderr	vsynth2-mpeg4-adap	66	N-121793-g1eb2cbd865

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth2-mpeg4-adap 2017-03-24 21:02:53.649713172 +0000 +++ tests/data/fate/vsynth2-mpeg4-adap 2017-09-06 04:04:41.254037446 +0000 @@ -1,4 +1,2 @@ 4bff98da2342836476da817428594403 tests/data/fate/vsynth2-mpeg4-adap.avi 213508 tests/data/fate/vsynth2-mpeg4-adap.avi -0c709f2b81f4593eaa29490332c2cb39 tests/data/fate/vsynth2-mpeg4-adap.out.rawvideo -stddev: 4.87 PSNR: 34.36 MAXDIFF: 86 bytes: 7603200/ 7603200

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth2.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 30412 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288, 30412 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -b:a or -b:v, -b is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth2-mpeg4-adap.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 352x288, q=2-31, 550 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/550000 buffer size: 0 vbv_delay: -1 frame= 50 fps=7.2 q=3.2 Lsize= 209kB time=00:00:01.96 bitrate= 871.5kbits/s speed=0.284x video:202kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 3.325655% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, avi, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth2-mpeg4-adap.avi': Duration: 00:00:02.00, start: 0.000000, bitrate: 854 kb/s Stream #0:0: Video: mpeg4 (Advanced Simple Profile) (FMP4 / 0x34504D46), yuv420p, 352x288 [SAR 1:1 DAR 11:9], 843 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth2-mpeg4-adap.out.rawvideo': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288 [SAR 1:1 DAR 11:9], q=2-31, 30412 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo ================== WARNING: ThreadSanitizer: data race (pid=29158) Write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 4 at 0x7b98000050cc by main thread (mutexes: write M1373): #0 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:568 (ffmpeg+0x000000a43ab3) #1 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #2 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #3 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #4 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #5 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #6 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #7 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #8 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #9 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #10 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #11 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #12 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #13 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #14 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #15 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29160, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/h263dec.c:271 in decode_slice ================== frame= 50 fps=0.0 q=-0.0 Lsize= 7425kB time=00:00:02.04 bitrate=29816.5kbits/s speed=3.38x video:7425kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 1 warnings
diff	stderr	vsynth2-mpeg4-adv	66	N-121793-g1eb2cbd865

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth2-mpeg4-adv 2017-03-24 21:02:53.649713172 +0000 +++ tests/data/fate/vsynth2-mpeg4-adv 2017-09-06 04:04:36.800704468 +0000 @@ -1,4 +1,2 @@ b2021365c46e52a93492e2a8697762e5 tests/data/fate/vsynth2-mpeg4-adv.avi 187246 tests/data/fate/vsynth2-mpeg4-adv.avi -505bdffb9b051dc2123d07a4ae183faf tests/data/fate/vsynth2-mpeg4-adv.out.rawvideo -stddev: 5.51 PSNR: 33.30 MAXDIFF: 80 bytes: 7603200/ 7603200

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth2.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 30412 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288, 30412 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -q:a or -q:v, -qscale is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth2-mpeg4-adv.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 352x288, q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 frame= 50 fps= 13 q=9.0 Lsize= 183kB time=00:00:02.00 bitrate= 749.0kbits/s speed= 0.5x video:176kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 3.814466% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, avi, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth2-mpeg4-adv.avi': Duration: 00:00:02.00, start: 0.000000, bitrate: 748 kb/s Stream #0:0: Video: mpeg4 (Simple Profile) (FMP4 / 0x34504D46), yuv420p, 352x288 [SAR 1:1 DAR 11:9], 736 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=29110) Read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 decode_slice src/libavcodec/h263dec.c:219 (ffmpeg+0x00000081df2e) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29112, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29110) Write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 decode_slice src/libavcodec/h263dec.c:198 (ffmpeg+0x00000081d7e2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29112, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:2816 in ff_set_qscale ================== ================== WARNING: ThreadSanitizer: data race (pid=29110) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_partitioned_mb src/libavcodec/mpeg4videodec.c:1302 (ffmpeg+0x0000009ff875) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29112, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29110) Read of size 8 at 0x7b9800003018 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003018 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_block src/libavcodec/mpeg4videodec.c:1243 (ffmpeg+0x0000009ffac3) #1 mpeg4_decode_partitioned_mb src/libavcodec/mpeg4videodec.c:1310 (ffmpeg+0x0000009ffac3) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29112, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29110) Read of size 8 at 0x7b9800003a60 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003a60 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2813 (ffmpeg+0x000000a4f136) #1 decode_slice src/libavcodec/h263dec.c:219 (ffmpeg+0x00000081df2e) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29112, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29110) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29112, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29110) Read of size 8 at 0x7b98000046d8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000046dc by thread T1 (mutexes: write M1371): #0 ff_mpeg4_clean_buffers src/libavcodec/mpeg4video.c:62 (ffmpeg+0x0000009f3f7e) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:652 (ffmpeg+0x00000081f85c) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29112, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29110) Read of size 8 at 0x7b98000046e8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000046ec by thread T1 (mutexes: write M1371): #0 ff_mpeg4_clean_buffers src/libavcodec/mpeg4video.c:64 (ffmpeg+0x0000009f3f52) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:652 (ffmpeg+0x00000081f85c) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29112, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29110) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:273 (ffmpeg+0x00000081e23c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29112, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29110) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:277 (ffmpeg+0x00000081e2b8) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29112, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29110) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_partitioned_mb src/libavcodec/mpeg4videodec.c:1301 (ffmpeg+0x0000009ff843) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29112, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29110) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29112, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29110) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29112, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29110) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29112, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29110) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29112, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29110) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29112, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29110) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29112, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29110) Read of size 8 at 0x7b9800004f60 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004f60 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:195 (ffmpeg+0x00000081d782) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29112, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29110) Read of size 8 at 0x7b9800004f68 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004f68 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:193 (ffmpeg+0x00000081d702) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29112, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29110) Read of size 8 at 0x7b9800004f88 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004f88 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_partitioned_mb src/libavcodec/mpeg4videodec.c:1321 (ffmpeg+0x000000a0002d) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29112, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29110) Read of size 8 at 0x7b98000050c8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29112, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29110) Read of size 8 at 0x7b9800005120 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005124 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:830 (ffmpeg+0x000000a03091) #1 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a03091) #2 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29112, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29110) Read of size 8 at 0x7b9800005150 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005150 by thread T1 (mutexes: write M1371): #0 mpeg4_is_resync src/libavcodec/mpeg4videodec.c:159 (ffmpeg+0x000000a018a6) #1 mpeg4_decode_partitioned_mb src/libavcodec/mpeg4videodec.c:1322 (ffmpeg+0x000000a018a6) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29112, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29110) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1371): #0 get_bits1 src/libavcodec/get_bits.h:328 (ffmpeg+0x000000a0359b) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:842 (ffmpeg+0x000000a0359b) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a0359b) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29112, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29110) Read of size 8 at 0x7b9800005358 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005358 by thread T1: [failed to restore the stack] Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29112, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth2-mpeg4-adv.out.rawvideo': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288 [SAR 1:1 DAR 11:9], q=2-31, 30412 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo ================== WARNING: ThreadSanitizer: data race (pid=29110) Read of size 4 at 0x7b98000080cc by main thread (mutexes: write M1371): #0 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:568 (ffmpeg+0x000000a43ab3) #1 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #2 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #3 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #4 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #5 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #6 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #7 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #8 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #9 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #10 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #11 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #12 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #13 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #14 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #15 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000080cc by thread T2 (mutexes: write M1374): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800006000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 ff_frame_thread_init src/libavcodec/pthread_frame.c:821 (ffmpeg+0x000000b05586) #3 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #6 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #7 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #8 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=29113, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:568 in ff_mpeg_update_thread_context ================== frame= 50 fps=0.0 q=-0.0 Lsize= 7425kB time=00:00:02.00 bitrate=30412.8kbits/s speed=3.15x video:7425kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 26 warnings
diff	stderr	vsynth2-mpeg4-error	66	N-121817-gfc3893f5e7

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth2-mpeg4-error 2017-03-24 21:02:53.649713172 +0000 +++ tests/data/fate/vsynth2-mpeg4-error 2017-09-06 04:04:44.607370512 +0000 @@ -1,4 +1,2 @@ 0bee773ac15fd1edd56e1dd28704292f tests/data/fate/vsynth2-mpeg4-error.avi 236060 tests/data/fate/vsynth2-mpeg4-error.avi -f67a99fe41cd22a2a6713965eebb990e tests/data/fate/vsynth2-mpeg4-error.out.rawvideo -stddev: 15.66 PSNR: 24.23 MAXDIFF: 236 bytes: 7603200/ 7603200

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth2.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 30412 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288, 30412 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -q:a or -q:v, -qscale is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth2-mpeg4-error.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 352x288, q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 frame= 50 fps= 13 q=7.0 Lsize= 231kB time=00:00:02.00 bitrate= 944.2kbits/s speed=0.506x video:224kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 3.001108% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, avi, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth2-mpeg4-error.avi': Duration: 00:00:02.00, start: 0.000000, bitrate: 944 kb/s Stream #0:0: Video: mpeg4 (Simple Profile) (FMP4 / 0x34504D46), yuv420p, 352x288 [SAR 1:1 DAR 11:9], 935 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=29217) Read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 decode_slice src/libavcodec/h263dec.c:219 (ffmpeg+0x00000081df2e) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29219, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29217) Write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 decode_slice src/libavcodec/h263dec.c:198 (ffmpeg+0x00000081d7e2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29219, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:2816 in ff_set_qscale ================== [mpeg4 @ 0x7b6400002300] concealing 64 DC, 64 AC, 64 MV errors in I frame ================== WARNING: ThreadSanitizer: data race (pid=29217) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_partitioned_mb src/libavcodec/mpeg4videodec.c:1302 (ffmpeg+0x0000009ff875) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29219, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29217) Read of size 8 at 0x7b9800003018 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003018 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_block src/libavcodec/mpeg4videodec.c:1243 (ffmpeg+0x0000009ffac3) #1 mpeg4_decode_partitioned_mb src/libavcodec/mpeg4videodec.c:1310 (ffmpeg+0x0000009ffac3) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29219, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29217) Read of size 8 at 0x7b9800003a60 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003a60 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2813 (ffmpeg+0x000000a4f136) #1 decode_slice src/libavcodec/h263dec.c:219 (ffmpeg+0x00000081df2e) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29219, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29217) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29219, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29217) Read of size 8 at 0x7b98000046d8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000046dc by thread T1 (mutexes: write M1371): #0 ff_mpeg4_clean_buffers src/libavcodec/mpeg4video.c:62 (ffmpeg+0x0000009f3f7e) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:652 (ffmpeg+0x00000081f85c) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29219, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29217) Read of size 8 at 0x7b98000046e8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000046ec by thread T1: [failed to restore the stack] Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29219, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29217) Read of size 8 at 0x7b9800005850 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005850 by thread T1 (mutexes: write M1371): #0 ff_er_frame_end src/libavcodec/error_resilience.c:1362 (ffmpeg+0x0000010ac115) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:666 (ffmpeg+0x00000081fd45) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29219, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29217) Read of size 8 at 0x7b9800005860 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005860 by thread T1 (mutexes: write M1371): #0 ff_er_frame_end src/libavcodec/error_resilience.c:1361 (ffmpeg+0x0000010ac0fd) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:666 (ffmpeg+0x00000081fd45) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29219, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth2-mpeg4-error.out.rawvideo': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288 [SAR 1:1 DAR 11:9], q=2-31, 30412 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo ================== WARNING: ThreadSanitizer: data race (pid=29217) Write of size 4 at 0x7b98000080cc by thread T2 (mutexes: write M1373): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 4 at 0x7b98000080cc by main thread (mutexes: write M1371): #0 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:568 (ffmpeg+0x000000a43ab3) #1 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #2 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #3 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #4 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #5 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #6 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #7 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #8 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #9 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #10 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #11 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #12 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #13 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #14 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #15 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800006000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 ff_frame_thread_init src/libavcodec/pthread_frame.c:821 (ffmpeg+0x000000b05586) #3 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #6 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #7 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #8 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=29220, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/h263dec.c:271 in decode_slice ================== [mpeg4 @ 0x7b6400002300] concealing 52 DC, 52 AC, 52 MV errors in I frame [mpeg4 @ 0x7b6400002300] concealing 168 DC, 168 AC, 168 MV errors in P frame [mpeg4 @ 0x7b6400002300] concealing 164 DC, 164 AC, 164 MV errors in P frame [mpeg4 @ 0x7b6400002300] concealing 133 DC, 133 AC, 133 MV errors in I frame [mpeg4 @ 0x7b6400002800] concealing 159 DC, 159 AC, 159 MV errors in P frame [mpeg4 @ 0x7b6400002800] concealing 163 DC, 163 AC, 163 MV errors in P frame [mpeg4 @ 0x7b6400002300] concealing 160 DC, 160 AC, 160 MV errors in P frame [mpeg4 @ 0x7b6400002800] concealing 152 DC, 152 AC, 152 MV errors in P frame frame= 50 fps=0.0 q=-0.0 Lsize= 7425kB time=00:00:02.00 bitrate=30412.8kbits/s speed=2.14x video:7425kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 11 warnings
diff	stderr	vsynth2-mpeg4-nr	66	N-121817-gfc3893f5e7

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth2-mpeg4-nr 2017-03-24 21:02:53.649713172 +0000 +++ tests/data/fate/vsynth2-mpeg4-nr 2017-09-06 04:04:47.190703639 +0000 @@ -1,4 +1,2 @@ 83bb3f4618f8d6259d48a51bc65b3cbc tests/data/fate/vsynth2-mpeg4-nr.avi 206038 tests/data/fate/vsynth2-mpeg4-nr.avi -b1b0edaec04620b5f9149dce5171939c tests/data/fate/vsynth2-mpeg4-nr.out.rawvideo -stddev: 5.32 PSNR: 33.61 MAXDIFF: 78 bytes: 7603200/ 7603200

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth2.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 30412 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288, 30412 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -q:a or -q:v, -qscale is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth2-mpeg4-nr.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 352x288, q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 frame= 50 fps= 11 q=8.0 Lsize= 201kB time=00:00:02.00 bitrate= 824.2kbits/s speed=0.437x video:194kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 3.453505% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, avi, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth2-mpeg4-nr.avi': Duration: 00:00:02.00, start: 0.000000, bitrate: 824 kb/s Stream #0:0: Video: mpeg4 (Simple Profile) (FMP4 / 0x34504D46), yuv420p, 352x288 [SAR 1:1 DAR 11:9], 812 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=29318) Read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 decode_slice src/libavcodec/h263dec.c:198 (ffmpeg+0x00000081d7e2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29322, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29318) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29322, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29318) Read of size 8 at 0x7b9800003018 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003018 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_block src/libavcodec/mpeg4videodec.c:1243 (ffmpeg+0x0000009fc0b0) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1674 (ffmpeg+0x0000009fc0b0) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29322, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29318) Read of size 8 at 0x7b9800003a60 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003a60 by thread T1: [failed to restore the stack] Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29322, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29318) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29322, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29318) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:273 (ffmpeg+0x00000081e23c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29322, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29318) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:277 (ffmpeg+0x00000081e2b8) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29322, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29318) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1646 (ffmpeg+0x0000009fb1f8) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29322, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29318) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29322, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29318) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29322, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29318) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29322, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29318) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29322, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29318) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29322, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29318) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29322, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29318) Read of size 8 at 0x7b98000050c8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29322, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29318) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1371): #0 get_vlc2 src/libavcodec/get_bits.h:564 (ffmpeg+0x0000009fac40) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1637 (ffmpeg+0x0000009fac40) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29322, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth2-mpeg4-nr.out.rawvideo': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288 [SAR 1:1 DAR 11:9], q=2-31, 30412 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo frame= 50 fps=0.0 q=-0.0 Lsize= 7425kB time=00:00:02.00 bitrate=30412.8kbits/s speed=3.47x video:7425kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 16 warnings
diff	stderr	vsynth2-mpeg4-nsse	66	N-121824-g775b102182

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth2-mpeg4-nsse 2017-03-24 21:02:53.649713172 +0000 +++ tests/data/fate/vsynth2-mpeg4-nsse 2017-09-06 04:04:45.137370470 +0000 @@ -1,4 +1,2 @@ 4fdc2aaa4761f245590a3c78c85f0ae2 tests/data/fate/vsynth2-mpeg4-nsse.avi 266100 tests/data/fate/vsynth2-mpeg4-nsse.avi -9123b1641394250a6edd389d02f249e8 tests/data/fate/vsynth2-mpeg4-nsse.out.rawvideo -stddev: 4.83 PSNR: 34.45 MAXDIFF: 59 bytes: 7603200/ 7603200

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth2.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 30412 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288, 30412 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -q:a or -q:v, -qscale is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth2-mpeg4-nsse.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 352x288, q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 frame= 50 fps= 27 q=7.0 Lsize= 260kB time=00:00:02.00 bitrate=1064.4kbits/s speed=1.08x video:253kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 2.653720% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, avi, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth2-mpeg4-nsse.avi': Duration: 00:00:02.00, start: 0.000000, bitrate: 1064 kb/s Stream #0:0: Video: mpeg4 (Simple Profile) (FMP4 / 0x34504D46), yuv420p, 352x288 [SAR 1:1 DAR 11:9], 1058 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=29260) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29262, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29260) Write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29262, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4videodec.c:1649 in mpeg4_decode_mb ================== ================== WARNING: ThreadSanitizer: data race (pid=29260) Read of size 8 at 0x7b9800003018 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003018 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_block src/libavcodec/mpeg4videodec.c:1243 (ffmpeg+0x0000009fc0b0) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1674 (ffmpeg+0x0000009fc0b0) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29262, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29260) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29262, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29260) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:273 (ffmpeg+0x00000081e23c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29262, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29260) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:277 (ffmpeg+0x00000081e2b8) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29262, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29260) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1646 (ffmpeg+0x0000009fb1f8) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29262, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29260) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29262, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29260) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29262, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29260) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29262, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29260) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29262, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29260) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29262, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29260) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29262, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29260) Read of size 8 at 0x7b98000050c8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29262, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29260) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1371): #0 get_vlc2 src/libavcodec/get_bits.h:564 (ffmpeg+0x0000009fac40) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1637 (ffmpeg+0x0000009fac40) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29262, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth2-mpeg4-nsse.out.rawvideo': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288 [SAR 1:1 DAR 11:9], q=2-31, 30412 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo frame= 50 fps=0.0 q=-0.0 Lsize= 7425kB time=00:00:02.00 bitrate=30412.8kbits/s speed=2.68x video:7425kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 15 warnings
diff	stderr	vsynth2-mpeg4-qpel	66	N-121794-g00ef656a85

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth2-mpeg4-qpel 2017-03-24 21:02:53.649713172 +0000 +++ tests/data/fate/vsynth2-mpeg4-qpel 2017-09-06 04:04:43.957370564 +0000 @@ -1,4 +1,2 @@ d05dbd6c6b8a57953aea3caa6cab57b0 tests/data/fate/vsynth2-mpeg4-qpel.avi 209870 tests/data/fate/vsynth2-mpeg4-qpel.avi -5313cb1ef8c520de548389d541842c51 tests/data/fate/vsynth2-mpeg4-qpel.out.rawvideo -stddev: 4.42 PSNR: 35.22 MAXDIFF: 56 bytes: 7603200/ 7603200

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth2.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 30412 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288, 30412 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -q:a or -q:v, -qscale is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth2-mpeg4-qpel.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 352x288, q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 frame= 50 fps=5.5 q=7.0 Lsize= 205kB time=00:00:01.96 bitrate= 856.6kbits/s speed=0.216x video:198kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 3.388820% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, avi, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth2-mpeg4-qpel.avi': Duration: 00:00:02.00, start: 0.000000, bitrate: 839 kb/s Stream #0:0: Video: mpeg4 (Advanced Simple Profile) (FMP4 / 0x34504D46), yuv420p, 352x288 [SAR 1:1 DAR 11:9], 828 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=29203) Read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 decode_slice src/libavcodec/h263dec.c:198 (ffmpeg+0x00000081d7e2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29210, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29203) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29210, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29203) Read of size 8 at 0x7b9800003018 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003018 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_block src/libavcodec/mpeg4videodec.c:1243 (ffmpeg+0x0000009fc0b0) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1674 (ffmpeg+0x0000009fc0b0) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29210, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29203) Read of size 8 at 0x7b9800003a60 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003a60 by thread T1: [failed to restore the stack] Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29210, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29203) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29210, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29203) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:273 (ffmpeg+0x00000081e23c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29210, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29203) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:277 (ffmpeg+0x00000081e2b8) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29210, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29203) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1646 (ffmpeg+0x0000009fb1f8) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29210, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29203) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29210, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29203) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29210, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29203) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29210, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29203) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29210, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29203) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29210, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29203) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29210, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29203) Read of size 8 at 0x7b98000050c8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29210, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29203) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1371): #0 get_vlc2 src/libavcodec/get_bits.h:564 (ffmpeg+0x0000009fac40) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1637 (ffmpeg+0x0000009fac40) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29210, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth2-mpeg4-qpel.out.rawvideo': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288 [SAR 1:1 DAR 11:9], q=2-31, 30412 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo frame= 50 fps=0.0 q=-0.0 Lsize= 7425kB time=00:00:02.04 bitrate=29816.5kbits/s speed=2.78x video:7425kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 16 warnings
diff	stderr	vsynth2-mpeg4-qprd	66	N-121820-g43abd1ced9

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth2-mpeg4-qprd 2017-03-24 21:02:53.649713172 +0000 +++ tests/data/fate/vsynth2-mpeg4-qprd 2017-09-06 04:04:43.977370563 +0000 @@ -1,4 +1,2 @@ 4ddd2fef35854d9b387bbcbda03dc7f0 tests/data/fate/vsynth2-mpeg4-qprd.avi 248706 tests/data/fate/vsynth2-mpeg4-qprd.avi -baa8d0d57a7fb5e393642cb20efed2c2 tests/data/fate/vsynth2-mpeg4-qprd.out.rawvideo -stddev: 4.85 PSNR: 34.40 MAXDIFF: 85 bytes: 7603200/ 7603200

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth2.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 30412 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288, 30412 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -b:a or -b:v, -b is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth2-mpeg4-qprd.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 352x288, q=2-31, 450 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/450000 buffer size: 0 vbv_delay: -1 frame= 50 fps=5.1 q=10.5 Lsize= 243kB time=00:00:01.96 bitrate=1015.1kbits/s speed= 0.2x video:236kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 2.843320% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, avi, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth2-mpeg4-qprd.avi': Duration: 00:00:02.00, start: 0.000000, bitrate: 994 kb/s Stream #0:0: Video: mpeg4 (Advanced Simple Profile) (FMP4 / 0x34504D46), yuv420p, 352x288 [SAR 1:1 DAR 11:9], 987 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=29208) Read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 decode_slice src/libavcodec/h263dec.c:198 (ffmpeg+0x00000081d7e2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29212, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29208) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29212, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29208) Read of size 8 at 0x7b9800003018 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003018 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_block src/libavcodec/mpeg4videodec.c:1243 (ffmpeg+0x0000009fc0b0) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1674 (ffmpeg+0x0000009fc0b0) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29212, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29208) Read of size 8 at 0x7b9800003a60 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003a64 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2814 (ffmpeg+0x000000a4f16b) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1666 (ffmpeg+0x0000009fd220) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29212, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29208) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29212, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29208) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:273 (ffmpeg+0x00000081e23c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29212, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29208) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:277 (ffmpeg+0x00000081e2b8) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29212, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29208) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1646 (ffmpeg+0x0000009fb1f8) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29212, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29208) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29212, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29208) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29212, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29208) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29212, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29208) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29212, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29208) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29212, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29208) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29212, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29208) Read of size 8 at 0x7b9800004f60 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004f60 by thread T1: [failed to restore the stack] Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29212, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29208) Read of size 8 at 0x7b98000050c8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29212, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29208) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1371): #0 get_vlc2 src/libavcodec/get_bits.h:564 (ffmpeg+0x0000009fac40) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1637 (ffmpeg+0x0000009fac40) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29212, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth2-mpeg4-qprd.out.rawvideo': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288 [SAR 1:1 DAR 11:9], q=2-31, 30412 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo frame= 50 fps=0.0 q=-0.0 Lsize= 7425kB time=00:00:02.04 bitrate=29816.5kbits/s speed= 2.8x video:7425kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 17 warnings
diff	stderr	vsynth2-mpeg4-rc	66	N-121793-g1eb2cbd865

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth2-mpeg4-rc 2017-03-24 21:02:53.649713172 +0000 +++ tests/data/fate/vsynth2-mpeg4-rc 2017-09-06 04:04:32.774038120 +0000 @@ -1,4 +1,2 @@ 0cf3a444622becc5d56e9034b226cfe2 tests/data/fate/vsynth2-mpeg4-rc.avi 254738 tests/data/fate/vsynth2-mpeg4-rc.avi -53ef615a87c8ae49c379242385315f61 tests/data/fate/vsynth2-mpeg4-rc.out.rawvideo -stddev: 5.57 PSNR: 33.20 MAXDIFF: 116 bytes: 7603200/ 7603200

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth2.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 30412 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288, 30412 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -b:a or -b:v, -b is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth2-mpeg4-rc.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 352x288, q=2-31, 400 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/400000 buffer size: 0 vbv_delay: -1 frame= 50 fps= 27 q=13.1 Lsize= 249kB time=00:00:01.96 bitrate=1039.7kbits/s speed=1.04x video:242kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 2.774954% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, avi, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth2-mpeg4-rc.avi': Duration: 00:00:02.00, start: 0.000000, bitrate: 1018 kb/s Stream #0:0: Video: mpeg4 (Advanced Simple Profile) (FMP4 / 0x34504D46), yuv420p, 352x288 [SAR 1:1 DAR 11:9], 1011 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=29038) Read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 decode_slice src/libavcodec/h263dec.c:198 (ffmpeg+0x00000081d7e2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29045, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29038) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29045, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29038) Read of size 8 at 0x7b9800003018 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003018 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_block src/libavcodec/mpeg4videodec.c:1243 (ffmpeg+0x0000009fc0b0) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1674 (ffmpeg+0x0000009fc0b0) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29045, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29038) Read of size 8 at 0x7b9800003a60 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003a60 by thread T1: [failed to restore the stack] Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29045, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29038) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29045, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29038) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:273 (ffmpeg+0x00000081e23c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29045, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29038) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:277 (ffmpeg+0x00000081e2b8) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29045, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29038) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1646 (ffmpeg+0x0000009fb1f8) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29045, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29038) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29045, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29038) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29045, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29038) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29045, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29038) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29045, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29038) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29045, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29038) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29045, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29038) Read of size 8 at 0x7b98000050c8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29045, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=29038) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1371): #0 get_vlc2 src/libavcodec/get_bits.h:564 (ffmpeg+0x0000009fac40) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1637 (ffmpeg+0x0000009fac40) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=29045, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth2-mpeg4-rc.out.rawvideo': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288 [SAR 1:1 DAR 11:9], q=2-31, 30412 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo frame= 50 fps=0.0 q=-0.0 Lsize= 7425kB time=00:00:02.04 bitrate=29816.5kbits/s speed=2.65x video:7425kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 16 warnings
diff	stderr	vsynth2-mpeg4-thread	66	N-121815-g0ae8df5f2c

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth2-mpeg4-thread 2017-03-24 21:02:53.649713172 +0000 +++ tests/data/fate/vsynth2-mpeg4-thread 2017-09-06 04:04:37.890704381 +0000 @@ -1,4 +0,0 @@ -92128f8adc4ac70a66fdddf58e46b923 tests/data/fate/vsynth2-mpeg4-thread.avi -268396 tests/data/fate/vsynth2-mpeg4-thread.avi -f432bd8d897c7c8e286e385b77cedcfa tests/data/fate/vsynth2-mpeg4-thread.out.rawvideo -stddev: 4.89 PSNR: 34.34 MAXDIFF: 86 bytes: 7603200/ 7603200

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth2.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 30412 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288, 30412 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -b:a or -b:v, -b is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth2-mpeg4-thread.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 352x288, q=2-31, 500 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/500000 buffer size: 0 vbv_delay: -1 ================== WARNING: ThreadSanitizer: data race (pid=29130) Write of size 2 at 0x7b8400000ea2 by thread T2 (mutexes: write M1370): #0 ff_mpeg4_pred_dc src/libavcodec/mpeg4video.h:252 (ffmpeg+0x000000a0a920) #1 ff_mpeg4_encode_mb src/libavcodec/mpeg4videoenc.c:805 (ffmpeg+0x000000a0a920) #2 encode_mb_internal src/libavcodec/mpegvideo_enc.c:2636 (ffmpeg+0x000000a682d0) #3 encode_mb src/libavcodec/mpegvideo_enc.c:2674 (ffmpeg+0x000000a682d0) #4 encode_thread src/libavcodec/mpegvideo_enc.c:3592 (ffmpeg+0x000000a682d0) #5 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #6 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x000001433de8) #7 thread_worker src/libavutil/slicethread.c:85 (ffmpeg+0x000001433de8) Previous read of size 2 at 0x7b8400000ea2 by main thread: #0 ff_mpeg4_pred_dc src/libavcodec/mpeg4video.h:202 (ffmpeg+0x000000a0a834) #1 ff_mpeg4_encode_mb src/libavcodec/mpeg4videoenc.c:805 (ffmpeg+0x000000a0a834) #2 encode_mb_internal src/libavcodec/mpegvideo_enc.c:2636 (ffmpeg+0x000000a682d0) #3 encode_mb src/libavcodec/mpegvideo_enc.c:2674 (ffmpeg+0x000000a682d0) #4 encode_thread src/libavcodec/mpegvideo_enc.c:3592 (ffmpeg+0x000000a682d0) #5 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #6 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x0000014340ce) #7 avpriv_slicethread_execute src/libavutil/slicethread.c:192 (ffmpeg+0x0000014340ce) #8 thread_execute src/libavcodec/pthread_slice.c:102 (ffmpeg+0x000000b06757) #9 encode_picture src/libavcodec/mpegvideo_enc.c:4020 (ffmpeg+0x000000a5e63a) #10 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1964 (ffmpeg+0x000000a5e63a) #11 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #12 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #13 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #14 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #15 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #16 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #17 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #18 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Location is heap block of size 5078 at 0x7b8400000000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_frame src/libavcodec/mpegvideo.c:777 (ffmpeg+0x000000a3b1ff) #4 ff_mpv_common_init src/libavcodec/mpegvideo.c:943 (ffmpeg+0x000000136f3d) #5 ff_mpv_encode_init src/libavcodec/mpegvideo_enc.c:939 (ffmpeg+0x0000001391fd) #6 encode_init src/libavcodec/mpeg4videoenc.c:1282 (ffmpeg+0x000000132db4) #7 avcodec_open2 src/libavcodec/utils.c:1020 (ffmpeg+0x000000c6d697) #8 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #9 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #10 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #11 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #12 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Mutex M1370 (0x7b2000000388) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 avpriv_slicethread_create src/libavutil/slicethread.c:146 (ffmpeg+0x000001434422) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=29133, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4video.h:252 in ff_mpeg4_pred_dc ================== ================== WARNING: ThreadSanitizer: data race (pid=29130) Write of size 2 at 0x7b840000120c by thread T2 (mutexes: write M1370): #0 ff_mpeg4_pred_dc src/libavcodec/mpeg4video.h:252 (ffmpeg+0x000000a0a920) #1 ff_mpeg4_encode_mb src/libavcodec/mpeg4videoenc.c:805 (ffmpeg+0x000000a0a920) #2 encode_mb_internal src/libavcodec/mpegvideo_enc.c:2636 (ffmpeg+0x000000a682d0) #3 encode_mb src/libavcodec/mpegvideo_enc.c:2674 (ffmpeg+0x000000a682d0) #4 encode_thread src/libavcodec/mpegvideo_enc.c:3592 (ffmpeg+0x000000a682d0) #5 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #6 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x000001433de8) #7 thread_worker src/libavutil/slicethread.c:85 (ffmpeg+0x000001433de8) Previous read of size 2 at 0x7b840000120c by main thread: [failed to restore the stack] Location is heap block of size 5078 at 0x7b8400000000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_frame src/libavcodec/mpegvideo.c:777 (ffmpeg+0x000000a3b1ff) #4 ff_mpv_common_init src/libavcodec/mpegvideo.c:943 (ffmpeg+0x000000136f3d) #5 ff_mpv_encode_init src/libavcodec/mpegvideo_enc.c:939 (ffmpeg+0x0000001391fd) #6 encode_init src/libavcodec/mpeg4videoenc.c:1282 (ffmpeg+0x000000132db4) #7 avcodec_open2 src/libavcodec/utils.c:1020 (ffmpeg+0x000000c6d697) #8 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #9 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #10 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #11 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #12 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Mutex M1370 (0x7b2000000388) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 avpriv_slicethread_create src/libavutil/slicethread.c:146 (ffmpeg+0x000001434422) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=29133, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4video.h:252 in ff_mpeg4_pred_dc ================== ================== WARNING: ThreadSanitizer: data race (pid=29130) Write of size 1 at 0x7b50000002eb by thread T2 (mutexes: write M1370): #0 mpv_reconstruct_mb_internal src/libavcodec/mpegvideo.c:2500 (ffmpeg+0x000000a49215) #1 ff_mpv_reconstruct_mb src/libavcodec/mpegvideo.c:2733 (ffmpeg+0x000000a49215) #2 encode_thread src/libavcodec/mpegvideo_enc.c:3601 (ffmpeg+0x000000a67010) #3 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #4 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x000001433de8) #5 thread_worker src/libavutil/slicethread.c:85 (ffmpeg+0x000001433de8) Previous read of size 1 at 0x7b50000002eb by main thread: [failed to restore the stack] Location is heap block of size 461 at 0x7b5000000200 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_allocz src/libavutil/buffer.c:85 (ffmpeg+0x0000013fa4b8) #4 alloc_picture_tables src/libavcodec/mpegpicture.c:191 (ffmpeg+0x000000a38e6e) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:259 (ffmpeg+0x000000a38e6e) #6 alloc_picture src/libavcodec/mpegvideo_enc.c:1240 (ffmpeg+0x000000a5bac5) #7 load_input_picture src/libavcodec/mpegvideo_enc.c:1313 (ffmpeg+0x000000a5bac5) #8 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1926 (ffmpeg+0x000000a5bac5) #9 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #10 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #11 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #12 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #13 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #14 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Mutex M1370 (0x7b2000000388) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 avpriv_slicethread_create src/libavutil/slicethread.c:146 (ffmpeg+0x000001434422) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=29133, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:2500 in mpv_reconstruct_mb_internal ================== ================== WARNING: ThreadSanitizer: data race (pid=29130) Write of size 2 at 0x7b8400001226 by main thread: #0 ff_clean_intra_table_entries src/libavcodec/mpegvideo.c:2457 (ffmpeg+0x000000a48789) #1 mpv_reconstruct_mb_internal src/libavcodec/mpegvideo.c:2506 (ffmpeg+0x000000a4c1cf) #2 ff_mpv_reconstruct_mb src/libavcodec/mpegvideo.c:2733 (ffmpeg+0x000000a4c1cf) #3 encode_thread src/libavcodec/mpegvideo_enc.c:3601 (ffmpeg+0x000000a67010) #4 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #5 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x0000014340ce) #6 avpriv_slicethread_execute src/libavutil/slicethread.c:192 (ffmpeg+0x0000014340ce) #7 thread_execute src/libavcodec/pthread_slice.c:102 (ffmpeg+0x000000b06757) #8 encode_picture src/libavcodec/mpegvideo_enc.c:4020 (ffmpeg+0x000000a5e63a) #9 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1964 (ffmpeg+0x000000a5e63a) #10 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #11 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #12 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #13 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #14 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #15 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #16 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #17 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Previous read of size 2 at 0x7b8400001226 by thread T2: [failed to restore the stack] Location is heap block of size 5078 at 0x7b8400000000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_frame src/libavcodec/mpegvideo.c:777 (ffmpeg+0x000000a3b1ff) #4 ff_mpv_common_init src/libavcodec/mpegvideo.c:943 (ffmpeg+0x000000136f3d) #5 ff_mpv_encode_init src/libavcodec/mpegvideo_enc.c:939 (ffmpeg+0x0000001391fd) #6 encode_init src/libavcodec/mpeg4videoenc.c:1282 (ffmpeg+0x000000132db4) #7 avcodec_open2 src/libavcodec/utils.c:1020 (ffmpeg+0x000000c6d697) #8 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #9 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #10 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #11 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #12 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=29133, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:2457 in ff_clean_intra_table_entries ================== ================== WARNING: ThreadSanitizer: data race (pid=29130) Write of size 2 at 0x7b8400000ebc by main thread: #0 ff_clean_intra_table_entries src/libavcodec/mpegvideo.c:2456 (ffmpeg+0x000000a487ae) #1 mpv_reconstruct_mb_internal src/libavcodec/mpegvideo.c:2506 (ffmpeg+0x000000a4c1cf) #2 ff_mpv_reconstruct_mb src/libavcodec/mpegvideo.c:2733 (ffmpeg+0x000000a4c1cf) #3 encode_thread src/libavcodec/mpegvideo_enc.c:3601 (ffmpeg+0x000000a67010) #4 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #5 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x0000014340ce) #6 avpriv_slicethread_execute src/libavutil/slicethread.c:192 (ffmpeg+0x0000014340ce) #7 thread_execute src/libavcodec/pthread_slice.c:102 (ffmpeg+0x000000b06757) #8 encode_picture src/libavcodec/mpegvideo_enc.c:4020 (ffmpeg+0x000000a5e63a) #9 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1964 (ffmpeg+0x000000a5e63a) #10 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #11 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #12 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #13 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #14 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #15 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #16 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #17 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Previous read of size 2 at 0x7b8400000ebc by thread T2: [failed to restore the stack] Location is heap block of size 5078 at 0x7b8400000000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_frame src/libavcodec/mpegvideo.c:777 (ffmpeg+0x000000a3b1ff) #4 ff_mpv_common_init src/libavcodec/mpegvideo.c:943 (ffmpeg+0x000000136f3d) #5 ff_mpv_encode_init src/libavcodec/mpegvideo_enc.c:939 (ffmpeg+0x0000001391fd) #6 encode_init src/libavcodec/mpeg4videoenc.c:1282 (ffmpeg+0x000000132db4) #7 avcodec_open2 src/libavcodec/utils.c:1020 (ffmpeg+0x000000c6d697) #8 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #9 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #10 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #11 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #12 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=29133, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:2456 in ff_clean_intra_table_entries ================== ================== WARNING: ThreadSanitizer: data race (pid=29130) Write of size 2 at 0x7b8400000690 by main thread: #0 ff_mpeg4_pred_dc src/libavcodec/mpeg4video.h:252 (ffmpeg+0x000000a0a920) #1 ff_mpeg4_encode_mb src/libavcodec/mpeg4videoenc.c:805 (ffmpeg+0x000000a0a920) #2 encode_mb_internal src/libavcodec/mpegvideo_enc.c:2636 (ffmpeg+0x000000a56cfe) #3 encode_mb src/libavcodec/mpegvideo_enc.c:2674 (ffmpeg+0x000000a56cfe) #4 encode_mb_hq src/libavcodec/mpegvideo_enc.c:2768 (ffmpeg+0x000000a56cfe) #5 encode_thread src/libavcodec/mpegvideo_enc.c:3340 (ffmpeg+0x000000a67cb1) #6 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #7 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x0000014340ce) #8 avpriv_slicethread_execute src/libavutil/slicethread.c:192 (ffmpeg+0x0000014340ce) #9 thread_execute src/libavcodec/pthread_slice.c:102 (ffmpeg+0x000000b06757) #10 encode_picture src/libavcodec/mpegvideo_enc.c:4020 (ffmpeg+0x000000a5e63a) #11 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1964 (ffmpeg+0x000000a5e63a) #12 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #13 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #14 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #15 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #16 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #17 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #18 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #19 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Previous read of size 2 at 0x7b8400000690 by thread T2: [failed to restore the stack] Location is heap block of size 5078 at 0x7b8400000000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_frame src/libavcodec/mpegvideo.c:777 (ffmpeg+0x000000a3b1ff) #4 ff_mpv_common_init src/libavcodec/mpegvideo.c:943 (ffmpeg+0x000000136f3d) #5 ff_mpv_encode_init src/libavcodec/mpegvideo_enc.c:939 (ffmpeg+0x0000001391fd) #6 encode_init src/libavcodec/mpeg4videoenc.c:1282 (ffmpeg+0x000000132db4) #7 avcodec_open2 src/libavcodec/utils.c:1020 (ffmpeg+0x000000c6d697) #8 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #9 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #10 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #11 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #12 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=29133, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4video.h:252 in ff_mpeg4_pred_dc ================== ================== WARNING: ThreadSanitizer: data race (pid=29130) Write of size 1 at 0x7b50000006f9 by main thread: #0 encode_thread src/libavcodec/mpegvideo_enc.c:3449 (ffmpeg+0x000000a65fec) #1 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #2 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x0000014340ce) #3 avpriv_slicethread_execute src/libavutil/slicethread.c:192 (ffmpeg+0x0000014340ce) #4 thread_execute src/libavcodec/pthread_slice.c:102 (ffmpeg+0x000000b06757) #5 encode_picture src/libavcodec/mpegvideo_enc.c:4020 (ffmpeg+0x000000a5e63a) #6 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1964 (ffmpeg+0x000000a5e63a) #7 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #8 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #9 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #10 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #11 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #12 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #13 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #14 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Previous read of size 1 at 0x7b50000006f9 by thread T2: [failed to restore the stack] Location is heap block of size 461 at 0x7b5000000600 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_allocz src/libavutil/buffer.c:85 (ffmpeg+0x0000013fa4b8) #4 alloc_picture_tables src/libavcodec/mpegpicture.c:191 (ffmpeg+0x000000a38e6e) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:259 (ffmpeg+0x000000a38e6e) #6 alloc_picture src/libavcodec/mpegvideo_enc.c:1240 (ffmpeg+0x000000a5bac5) #7 load_input_picture src/libavcodec/mpegvideo_enc.c:1313 (ffmpeg+0x000000a5bac5) #8 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1926 (ffmpeg+0x000000a5bac5) #9 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #10 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #11 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #12 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #13 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #14 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=29133, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo_enc.c:3449 in encode_thread ================== ================== WARNING: ThreadSanitizer: data race (pid=29130) Write of size 2 at 0x7b840000069e by main thread: #0 ff_clean_intra_table_entries src/libavcodec/mpegvideo.c:2442 (ffmpeg+0x000000a485f1) #1 mpv_reconstruct_mb_internal src/libavcodec/mpegvideo.c:2506 (ffmpeg+0x000000a4c1cf) #2 ff_mpv_reconstruct_mb src/libavcodec/mpegvideo.c:2733 (ffmpeg+0x000000a4c1cf) #3 encode_thread src/libavcodec/mpegvideo_enc.c:3601 (ffmpeg+0x000000a67010) #4 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #5 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x0000014340ce) #6 avpriv_slicethread_execute src/libavutil/slicethread.c:192 (ffmpeg+0x0000014340ce) #7 thread_execute src/libavcodec/pthread_slice.c:102 (ffmpeg+0x000000b06757) #8 encode_picture src/libavcodec/mpegvideo_enc.c:4020 (ffmpeg+0x000000a5e63a) #9 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1964 (ffmpeg+0x000000a5e63a) #10 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #11 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #12 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #13 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #14 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #15 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #16 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #17 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Previous read of size 2 at 0x7b840000069e by thread T2: [failed to restore the stack] Location is heap block of size 5078 at 0x7b8400000000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_frame src/libavcodec/mpegvideo.c:777 (ffmpeg+0x000000a3b1ff) #4 ff_mpv_common_init src/libavcodec/mpegvideo.c:943 (ffmpeg+0x000000136f3d) #5 ff_mpv_encode_init src/libavcodec/mpegvideo_enc.c:939 (ffmpeg+0x0000001391fd) #6 encode_init src/libavcodec/mpeg4videoenc.c:1282 (ffmpeg+0x000000132db4) #7 avcodec_open2 src/libavcodec/utils.c:1020 (ffmpeg+0x000000c6d697) #8 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #9 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #10 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #11 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #12 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=29133, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:2442 in ff_clean_intra_table_entries ================== ================== WARNING: ThreadSanitizer: data race (pid=29130) Write of size 1 at 0x7b50000000ea by thread T2 (mutexes: write M1370): #0 encode_thread src/libavcodec/mpegvideo_enc.c:3449 (ffmpeg+0x000000a65fec) #1 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #2 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x000001433de8) #3 thread_worker src/libavutil/slicethread.c:85 (ffmpeg+0x000001433de8) Previous read of size 1 at 0x7b50000000ea by main thread: [failed to restore the stack] Location is heap block of size 461 at 0x7b5000000000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:45 (ffmpeg+0x000000a3895a) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3895a) #6 alloc_picture src/libavcodec/mpegvideo_enc.c:1240 (ffmpeg+0x000000a5bac5) #7 load_input_picture src/libavcodec/mpegvideo_enc.c:1313 (ffmpeg+0x000000a5bac5) #8 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1926 (ffmpeg+0x000000a5bac5) #9 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #10 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #11 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #12 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #13 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #14 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Mutex M1370 (0x7b2000000388) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 avpriv_slicethread_create src/libavutil/slicethread.c:146 (ffmpeg+0x000001434422) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=29133, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo_enc.c:3449 in encode_thread ================== ================== WARNING: ThreadSanitizer: data race (pid=29130) Write of size 2 at 0x7b8400000656 by main thread: #0 ff_mpeg4_pred_dc src/libavcodec/mpeg4video.h:252 (ffmpeg+0x000000a0a920) #1 ff_mpeg4_encode_mb src/libavcodec/mpeg4videoenc.c:805 (ffmpeg+0x000000a0a920) #2 encode_mb_internal src/libavcodec/mpegvideo_enc.c:2636 (ffmpeg+0x000000a682d0) #3 encode_mb src/libavcodec/mpegvideo_enc.c:2674 (ffmpeg+0x000000a682d0) #4 encode_thread src/libavcodec/mpegvideo_enc.c:3592 (ffmpeg+0x000000a682d0) #5 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #6 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x0000014340ce) #7 avpriv_slicethread_execute src/libavutil/slicethread.c:192 (ffmpeg+0x0000014340ce) #8 thread_execute src/libavcodec/pthread_slice.c:102 (ffmpeg+0x000000b06757) #9 encode_picture src/libavcodec/mpegvideo_enc.c:4020 (ffmpeg+0x000000a5e63a) #10 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1964 (ffmpeg+0x000000a5e63a) #11 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #12 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #13 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #14 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #15 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #16 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #17 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #18 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Previous read of size 2 at 0x7b8400000656 by thread T2: [failed to restore the stack] Location is heap block of size 5078 at 0x7b8400000000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_frame src/libavcodec/mpegvideo.c:777 (ffmpeg+0x000000a3b1ff) #4 ff_mpv_common_init src/libavcodec/mpegvideo.c:943 (ffmpeg+0x000000136f3d) #5 ff_mpv_encode_init src/libavcodec/mpegvideo_enc.c:939 (ffmpeg+0x0000001391fd) #6 encode_init src/libavcodec/mpeg4videoenc.c:1282 (ffmpeg+0x000000132db4) #7 avcodec_open2 src/libavcodec/utils.c:1020 (ffmpeg+0x000000c6d697) #8 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #9 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #10 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #11 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #12 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=29133, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4video.h:252 in ff_mpeg4_pred_dc ================== ================== WARNING: ThreadSanitizer: data race (pid=29130) Write of size 1 at 0x7b50000008f8 by main thread: #0 encode_thread src/libavcodec/mpegvideo_enc.c:3449 (ffmpeg+0x000000a65fec) #1 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #2 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x0000014340ce) #3 avpriv_slicethread_execute src/libavutil/slicethread.c:192 (ffmpeg+0x0000014340ce) #4 thread_execute src/libavcodec/pthread_slice.c:102 (ffmpeg+0x000000b06757) #5 encode_picture src/libavcodec/mpegvideo_enc.c:4020 (ffmpeg+0x000000a5e63a) #6 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1964 (ffmpeg+0x000000a5e63a) #7 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #8 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #9 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #10 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #11 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #12 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #13 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #14 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Previous read of size 1 at 0x7b50000008f8 by thread T2 (mutexes: write M1370): #0 decide_ac_pred src/libavcodec/mpeg4videoenc.c:152 (ffmpeg+0x000000a0be19) #1 ff_mpeg4_encode_mb src/libavcodec/mpeg4videoenc.c:808 (ffmpeg+0x000000a0be19) #2 encode_mb_internal src/libavcodec/mpegvideo_enc.c:2636 (ffmpeg+0x000000a56cfe) #3 encode_mb src/libavcodec/mpegvideo_enc.c:2674 (ffmpeg+0x000000a56cfe) #4 encode_mb_hq src/libavcodec/mpegvideo_enc.c:2768 (ffmpeg+0x000000a56cfe) #5 encode_thread src/libavcodec/mpegvideo_enc.c:3340 (ffmpeg+0x000000a67cb1) #6 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #7 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x000001433de8) #8 thread_worker src/libavutil/slicethread.c:85 (ffmpeg+0x000001433de8) Location is heap block of size 461 at 0x7b5000000800 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:45 (ffmpeg+0x000000a3895a) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3895a) #6 alloc_picture src/libavcodec/mpegvideo_enc.c:1240 (ffmpeg+0x000000a5bac5) #7 load_input_picture src/libavcodec/mpegvideo_enc.c:1313 (ffmpeg+0x000000a5bac5) #8 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1926 (ffmpeg+0x000000a5bac5) #9 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #10 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #11 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #12 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #13 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #14 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Mutex M1370 (0x7b2000000388) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 avpriv_slicethread_create src/libavutil/slicethread.c:146 (ffmpeg+0x000001434422) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=29133, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo_enc.c:3449 in encode_thread ================== ================== WARNING: ThreadSanitizer: data race (pid=29130) Write of size 1 at 0x7b50000002e9 by main thread: #0 mpv_reconstruct_mb_internal src/libavcodec/mpegvideo.c:2500 (ffmpeg+0x000000a49215) #1 ff_mpv_reconstruct_mb src/libavcodec/mpegvideo.c:2733 (ffmpeg+0x000000a49215) #2 encode_thread src/libavcodec/mpegvideo_enc.c:3601 (ffmpeg+0x000000a67010) #3 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #4 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x0000014340ce) #5 avpriv_slicethread_execute src/libavutil/slicethread.c:192 (ffmpeg+0x0000014340ce) #6 thread_execute src/libavcodec/pthread_slice.c:102 (ffmpeg+0x000000b06757) #7 encode_picture src/libavcodec/mpegvideo_enc.c:4020 (ffmpeg+0x000000a5e63a) #8 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1964 (ffmpeg+0x000000a5e63a) #9 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #10 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #11 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #12 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #13 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #14 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Previous read of size 1 at 0x7b50000002e9 by thread T2 (mutexes: write M1370): #0 decide_ac_pred src/libavcodec/mpeg4videoenc.c:152 (ffmpeg+0x000000a0be19) #1 ff_mpeg4_encode_mb src/libavcodec/mpeg4videoenc.c:808 (ffmpeg+0x000000a0be19) #2 encode_mb_internal src/libavcodec/mpegvideo_enc.c:2636 (ffmpeg+0x000000a682d0) #3 encode_mb src/libavcodec/mpegvideo_enc.c:2674 (ffmpeg+0x000000a682d0) #4 encode_thread src/libavcodec/mpegvideo_enc.c:3592 (ffmpeg+0x000000a682d0) #5 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #6 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x000001433de8) #7 thread_worker src/libavutil/slicethread.c:85 (ffmpeg+0x000001433de8) Location is heap block of size 461 at 0x7b5000000200 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:45 (ffmpeg+0x000000a3895a) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3895a) #6 alloc_picture src/libavcodec/mpegvideo_enc.c:1240 (ffmpeg+0x000000a5bac5) #7 load_input_picture src/libavcodec/mpegvideo_enc.c:1313 (ffmpeg+0x000000a5bac5) #8 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1926 (ffmpeg+0x000000a5bac5) #9 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #10 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #11 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #12 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #13 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #14 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Mutex M1370 (0x7b2000000388) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 avpriv_slicethread_create src/libavutil/slicethread.c:146 (ffmpeg+0x000001434422) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=29133, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:2500 in mpv_reconstruct_mb_internal ================== ================== WARNING: ThreadSanitizer: data race (pid=29130) Write of size 1 at 0x7b50000006e8 by thread T2 (mutexes: write M1370): #0 encode_thread src/libavcodec/mpegvideo_enc.c:3449 (ffmpeg+0x000000a65fec) #1 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #2 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x000001433de8) #3 thread_worker src/libavutil/slicethread.c:85 (ffmpeg+0x000001433de8) Previous read of size 1 at 0x7b50000006e8 by main thread: #0 decide_ac_pred src/libavcodec/mpeg4videoenc.c:152 (ffmpeg+0x000000a0be19) #1 ff_mpeg4_encode_mb src/libavcodec/mpeg4videoenc.c:808 (ffmpeg+0x000000a0be19) #2 encode_mb_internal src/libavcodec/mpegvideo_enc.c:2636 (ffmpeg+0x000000a56cfe) #3 encode_mb src/libavcodec/mpegvideo_enc.c:2674 (ffmpeg+0x000000a56cfe) #4 encode_mb_hq src/libavcodec/mpegvideo_enc.c:2768 (ffmpeg+0x000000a56cfe) #5 encode_thread src/libavcodec/mpegvideo_enc.c:3340 (ffmpeg+0x000000a67cb1) #6 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #7 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x0000014340ce) #8 avpriv_slicethread_execute src/libavutil/slicethread.c:192 (ffmpeg+0x0000014340ce) #9 thread_execute src/libavcodec/pthread_slice.c:102 (ffmpeg+0x000000b06757) #10 encode_picture src/libavcodec/mpegvideo_enc.c:4020 (ffmpeg+0x000000a5e63a) #11 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1964 (ffmpeg+0x000000a5e63a) #12 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #13 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #14 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #15 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #16 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #17 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #18 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #19 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Location is heap block of size 461 at 0x7b5000000600 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:45 (ffmpeg+0x000000a3895a) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3895a) #6 alloc_picture src/libavcodec/mpegvideo_enc.c:1240 (ffmpeg+0x000000a5bac5) #7 load_input_picture src/libavcodec/mpegvideo_enc.c:1313 (ffmpeg+0x000000a5bac5) #8 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1926 (ffmpeg+0x000000a5bac5) #9 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #10 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #11 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #12 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #13 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #14 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Mutex M1370 (0x7b2000000388) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 avpriv_slicethread_create src/libavutil/slicethread.c:146 (ffmpeg+0x000001434422) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=29133, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo_enc.c:3449 in encode_thread ================== ================== WARNING: ThreadSanitizer: data race (pid=29130) Write of size 1 at 0x7b50000000fb by main thread: #0 encode_thread src/libavcodec/mpegvideo_enc.c:3449 (ffmpeg+0x000000a65fec) #1 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #2 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x0000014340ce) #3 avpriv_slicethread_execute src/libavutil/slicethread.c:192 (ffmpeg+0x0000014340ce) #4 thread_execute src/libavcodec/pthread_slice.c:102 (ffmpeg+0x000000b06757) #5 encode_picture src/libavcodec/mpegvideo_enc.c:4020 (ffmpeg+0x000000a5e63a) #6 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1964 (ffmpeg+0x000000a5e63a) #7 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #8 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #9 avcodec_receive_packet src/libavcodec/encode.c:444 (ffmpeg+0x000000764515) #10 flush_encoders src/ffmpeg.c:1930 (ffmpeg+0x0000001b84dc) #11 transcode src/ffmpeg.c:4624 (ffmpeg+0x0000001b84dc) #12 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b84dc) Previous read of size 1 at 0x7b50000000fb by thread T2 (mutexes: write M1370): #0 decide_ac_pred src/libavcodec/mpeg4videoenc.c:152 (ffmpeg+0x000000a0be19) #1 ff_mpeg4_encode_mb src/libavcodec/mpeg4videoenc.c:808 (ffmpeg+0x000000a0be19) #2 encode_mb_internal src/libavcodec/mpegvideo_enc.c:2636 (ffmpeg+0x000000a56cfe) #3 encode_mb src/libavcodec/mpegvideo_enc.c:2674 (ffmpeg+0x000000a56cfe) #4 encode_mb_hq src/libavcodec/mpegvideo_enc.c:2768 (ffmpeg+0x000000a56cfe) #5 encode_thread src/libavcodec/mpegvideo_enc.c:3340 (ffmpeg+0x000000a67cb1) #6 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #7 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x000001433de8) #8 thread_worker src/libavutil/slicethread.c:85 (ffmpeg+0x000001433de8) Location is heap block of size 461 at 0x7b5000000000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:45 (ffmpeg+0x000000a3895a) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3895a) #6 alloc_picture src/libavcodec/mpegvideo_enc.c:1240 (ffmpeg+0x000000a5bac5) #7 load_input_picture src/libavcodec/mpegvideo_enc.c:1313 (ffmpeg+0x000000a5bac5) #8 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1926 (ffmpeg+0x000000a5bac5) #9 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #10 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #11 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #12 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #13 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #14 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Mutex M1370 (0x7b2000000388) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 avpriv_slicethread_create src/libavutil/slicethread.c:146 (ffmpeg+0x000001434422) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=29133, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo_enc.c:3449 in encode_thread ================== frame= 50 fps= 11 q=10.2 Lsize= 262kB time=00:00:01.96 bitrate=1095.5kbits/s speed=0.421x video:255kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 2.630029% ThreadSanitizer: reported 14 warnings
diff	stderr	vsynth3-mpeg4	66	N-121762-gad956ff076

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth3-mpeg4 2017-03-24 21:02:53.653046513 +0000 +++ tests/data/fate/vsynth3-mpeg4 2017-09-06 03:58:14.844061490 +0000 @@ -1,4 +1,2 @@ ddcff996543900496f0b374a2d5cae74 tests/data/fate/vsynth3-mpeg4.mp4 26017 tests/data/fate/vsynth3-mpeg4.mp4 -fc0d8c1e58d254031e6207dfcae8f867 tests/data/fate/vsynth3-mpeg4.out.rawvideo -stddev: 9.66 PSNR: 28.43 MAXDIFF: 79 bytes: 86700/ 86700

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth3.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 346 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 34x34, 346 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -q:a or -q:v, -qscale is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, mp4, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth3-mpeg4.mp4': Stream #0:0: Video: mpeg4 (mp4v / 0x7634706D), yuv420p, 34x34, q=2-31, 200 kb/s, 25 fps, 12800 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 frame= 50 fps=0.0 q=10.0 Lsize= 25kB time=00:00:01.96 bitrate= 106.2kbits/s speed=10.5x video:24kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 4.092982% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth3-mpeg4.mp4': Metadata: major_brand : isom minor_version : 512 compatible_brands: isomiso2mp41 Duration: 00:00:02.00, start: 0.000000, bitrate: 104 kb/s Stream #0:0(und): Video: mpeg4 (Simple Profile) (mp4v / 0x7634706D), yuv420p, 34x34 [SAR 1:1 DAR 1:1], 99 kb/s, 25 fps, 25 tbr, 12800 tbn, 25 tbc (default) Metadata: handler_name : VideoHandler Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth3-mpeg4.out.rawvideo': Metadata: major_brand : isom minor_version : 512 compatible_brands: isomiso2mp41 Stream #0:0(und): Video: rawvideo (I420 / 0x30323449), yuv420p, 34x34 [SAR 1:1 DAR 1:1], q=2-31, 346 kb/s, 25 fps, 25 tbn, 25 tbc (default) Metadata: handler_name : VideoHandler encoder : Lavc rawvideo ================== WARNING: ThreadSanitizer: data race (pid=7993) Write of size 4 at 0x7b98000080cc by thread T2 (mutexes: write M1372): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 4 at 0x7b98000080cc by main thread (mutexes: write M1370): #0 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:568 (ffmpeg+0x000000a43ab3) #1 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #2 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #3 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #4 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #5 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #6 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #7 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #8 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #9 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #10 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #11 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #12 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #13 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #14 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #15 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800006000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 ff_frame_thread_init src/libavcodec/pthread_frame.c:821 (ffmpeg+0x000000b05586) #3 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #6 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #7 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #8 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1372 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=8002, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/h263dec.c:271 in decode_slice ================== frame= 50 fps=0.0 q=-0.0 Lsize= 85kB time=00:00:02.00 bitrate= 346.8kbits/s speed=9.21x video:85kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 1 warnings
diff	stderr	vsynth3-mpeg4-adap	66	N-121752-g6cdd2cbe32

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth3-mpeg4-adap 2017-03-24 21:02:53.653046513 +0000 +++ tests/data/fate/vsynth3-mpeg4-adap 2017-09-06 03:58:15.377394802 +0000 @@ -1,4 +1,2 @@ c16e5c2436ca9953517eadba562768e9 tests/data/fate/vsynth3-mpeg4-adap.avi 43706 tests/data/fate/vsynth3-mpeg4-adap.avi -b42b614e19e7c4859fca1af6d4e36eae tests/data/fate/vsynth3-mpeg4-adap.out.rawvideo -stddev: 5.48 PSNR: 33.34 MAXDIFF: 53 bytes: 86700/ 86700

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth3.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 346 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 34x34, 346 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -b:a or -b:v, -b is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth3-mpeg4-adap.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 34x34, q=2-31, 550 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/550000 buffer size: 0 vbv_delay: -1 frame= 50 fps=0.0 q=2.0 Lsize= 43kB time=00:00:01.96 bitrate= 178.4kbits/s speed= 4.9x video:36kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 18.679230% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, avi, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth3-mpeg4-adap.avi': Duration: 00:00:02.00, start: 0.000000, bitrate: 174 kb/s Stream #0:0: Video: mpeg4 (Advanced Simple Profile) (FMP4 / 0x34504D46), yuv420p, 34x34 [SAR 1:1 DAR 1:1], 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth3-mpeg4-adap.out.rawvideo': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 34x34 [SAR 1:1 DAR 1:1], q=2-31, 346 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo ================== WARNING: ThreadSanitizer: data race (pid=8047) Write of size 4 at 0x7b98000080cc by thread T2 (mutexes: write M1373): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 4 at 0x7b98000080cc by main thread (mutexes: write M1371): #0 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:568 (ffmpeg+0x000000a43ab3) #1 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #2 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #3 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #4 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #5 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #6 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #7 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #8 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #9 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #10 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #11 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #12 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #13 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #14 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #15 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800006000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 ff_frame_thread_init src/libavcodec/pthread_frame.c:821 (ffmpeg+0x000000b05586) #3 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #6 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #7 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #8 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=8066, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/h263dec.c:271 in decode_slice ================== frame= 50 fps=0.0 q=-0.0 Lsize= 85kB time=00:00:02.04 bitrate= 340.0kbits/s speed=8.88x video:85kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 1 warnings
diff	stderr	vsynth3-mpeg4-adv	66	N-121752-g6cdd2cbe32

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth3-mpeg4-adv 2017-03-24 21:02:53.653046513 +0000 +++ tests/data/fate/vsynth3-mpeg4-adv 2017-09-06 03:58:15.140728145 +0000 @@ -1,4 +1,2 @@ 140ecea2eb7d85cbe647adb666f09aa5 tests/data/fate/vsynth3-mpeg4-adv.avi 32296 tests/data/fate/vsynth3-mpeg4-adv.avi -9f80b96af57556d53ce44008bd687f55 tests/data/fate/vsynth3-mpeg4-adv.out.rawvideo -stddev: 7.60 PSNR: 30.51 MAXDIFF: 63 bytes: 86700/ 86700

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth3.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 346 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 34x34, 346 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -q:a or -q:v, -qscale is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth3-mpeg4-adv.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 34x34, q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 frame= 50 fps=0.0 q=9.0 Lsize= 32kB time=00:00:02.00 bitrate= 129.2kbits/s speed=5.95x video:25kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 27.049568% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, avi, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth3-mpeg4-adv.avi': Duration: 00:00:02.00, start: 0.000000, bitrate: 129 kb/s Stream #0:0: Video: mpeg4 (Simple Profile) (FMP4 / 0x34504D46), yuv420p, 34x34 [SAR 1:1 DAR 1:1], 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth3-mpeg4-adv.out.rawvideo': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 34x34 [SAR 1:1 DAR 1:1], q=2-31, 346 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo ================== WARNING: ThreadSanitizer: data race (pid=8020) Write of size 4 at 0x7b98000080cc by thread T2 (mutexes: write M1373): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 4 at 0x7b98000080cc by main thread (mutexes: write M1371): #0 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:568 (ffmpeg+0x000000a43ab3) #1 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #2 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #3 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #4 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #5 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #6 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #7 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #8 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #9 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #10 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #11 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #12 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #13 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #14 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #15 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800006000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 ff_frame_thread_init src/libavcodec/pthread_frame.c:821 (ffmpeg+0x000000b05586) #3 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #6 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #7 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #8 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=8035, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/h263dec.c:271 in decode_slice ================== frame= 50 fps=0.0 q=-0.0 Lsize= 85kB time=00:00:02.00 bitrate= 346.8kbits/s speed=10.2x video:85kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 1 warnings
diff	stderr	vsynth3-mpeg4-error	66	N-121789-gddf443f1e9

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth3-mpeg4-error 2017-03-24 21:02:53.653046513 +0000 +++ tests/data/fate/vsynth3-mpeg4-error 2017-09-06 03:58:15.980728111 +0000 @@ -1,4 +1,2 @@ 7f1fb64c5a37be6e5606f92adb84f273 tests/data/fate/vsynth3-mpeg4-error.avi 38212 tests/data/fate/vsynth3-mpeg4-error.avi -f9fd24e26f4ffb5ed597b9bbf0ea731b tests/data/fate/vsynth3-mpeg4-error.out.rawvideo -stddev: 6.06 PSNR: 32.47 MAXDIFF: 54 bytes: 86700/ 86700

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth3.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 346 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 34x34, 346 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -q:a or -q:v, -qscale is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth3-mpeg4-error.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 34x34, q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 frame= 50 fps=0.0 q=7.0 Lsize= 37kB time=00:00:02.00 bitrate= 152.8kbits/s speed=8.61x video:31kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 21.950596% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, avi, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth3-mpeg4-error.avi': Duration: 00:00:02.00, start: 0.000000, bitrate: 152 kb/s Stream #0:0: Video: mpeg4 (Simple Profile) (FMP4 / 0x34504D46), yuv420p, 34x34 [SAR 1:1 DAR 1:1], 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 decode_slice src/libavcodec/h263dec.c:198 (ffmpeg+0x00000081d7e2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 decode_slice src/libavcodec/h263dec.c:219 (ffmpeg+0x00000081df2e) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:2816 in ff_set_qscale ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_partitioned_mb src/libavcodec/mpeg4videodec.c:1302 (ffmpeg+0x0000009ff875) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4videodec.c:1302 in mpeg4_decode_partitioned_mb ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800003a60 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003a60 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2813 (ffmpeg+0x000000a4f136) #1 decode_slice src/libavcodec/h263dec.c:219 (ffmpeg+0x00000081df2e) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:273 (ffmpeg+0x00000081e23c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:277 (ffmpeg+0x00000081e2b8) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_partitioned_mb src/libavcodec/mpeg4videodec.c:1301 (ffmpeg+0x0000009ff843) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800004f60 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004f60 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:195 (ffmpeg+0x00000081d782) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800004f68 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004f68 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:193 (ffmpeg+0x00000081d702) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800004f88 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004f88 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_partitioned_mb src/libavcodec/mpeg4videodec.c:1321 (ffmpeg+0x000000a0002d) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b98000050c8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005120 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005124 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:830 (ffmpeg+0x000000a03091) #1 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a03091) #2 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1371): #0 get_bits1 src/libavcodec/get_bits.h:328 (ffmpeg+0x000000a0359b) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:842 (ffmpeg+0x000000a0359b) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a0359b) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005358 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005358 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1013 (ffmpeg+0x00000012c545) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005360 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005360 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1037 (ffmpeg+0x00000012c712) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005368 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005368 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1038 (ffmpeg+0x00000012c71f) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005390 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005390 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1039 (ffmpeg+0x00000012c72c) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005398 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005398 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1040 (ffmpeg+0x00000012c740) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b98000053a0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053a0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1041 (ffmpeg+0x00000012c754) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b98000053c0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053c0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1029 (ffmpeg+0x00000012c61a) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b98000053c8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053c8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1029 (ffmpeg+0x00000012c62e) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b98000053e0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053e0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1030 (ffmpeg+0x00000012c645) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b98000053e8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053e8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1031 (ffmpeg+0x00000012c65f) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b98000053f0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053f0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1032 (ffmpeg+0x00000012c679) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b98000053f8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053f8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1032 (ffmpeg+0x00000012c693) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005420 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005420 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1042 (ffmpeg+0x00000012c76b) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005428 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005428 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1042 (ffmpeg+0x00000012c785) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005450 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005450 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1044 (ffmpeg+0x00000012c7d3) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005458 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005458 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1044 (ffmpeg+0x00000012c7ed) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005480 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005480 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1043 (ffmpeg+0x00000012c79f) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005488 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005488 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1043 (ffmpeg+0x00000012c7b9) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b98000054b0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054b0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1045 (ffmpeg+0x00000012c807) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b98000054b8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054b8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1046 (ffmpeg+0x00000012c821) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b98000054d0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054d0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1047 (ffmpeg+0x00000012c83b) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b98000054d8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054d8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1048 (ffmpeg+0x00000012c855) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b98000054e0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054e0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1049 (ffmpeg+0x00000012c86f) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b98000054e8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054e8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1050 (ffmpeg+0x00000012c889) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005500 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005500 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1051 (ffmpeg+0x00000012c8a3) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005508 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005508 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1052 (ffmpeg+0x00000012c8bd) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005510 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005510 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1053 (ffmpeg+0x00000012c8d7) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005518 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005518 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1054 (ffmpeg+0x00000012c8f1) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005540 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005540 by thread T1 (mutexes: write M1371): #0 ff_dsputil_init_dwt src/libavcodec/snow_dwt.c:844 (ffmpeg+0x00000014cc6c) #1 ff_me_cmp_init src/libavcodec/me_cmp.c:1056 (ffmpeg+0x00000012c907) #2 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #3 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005548 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005548 by thread T1 (mutexes: write M1371): #0 ff_dsputil_init_dwt src/libavcodec/snow_dwt.c:845 (ffmpeg+0x00000014cc86) #1 ff_me_cmp_init src/libavcodec/me_cmp.c:1056 (ffmpeg+0x00000012c907) #2 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #3 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005570 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005570 by thread T1 (mutexes: write M1371): #0 ff_dsputil_init_dwt src/libavcodec/snow_dwt.c:846 (ffmpeg+0x00000014cca0) #1 ff_me_cmp_init src/libavcodec/me_cmp.c:1056 (ffmpeg+0x00000012c907) #2 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #3 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005578 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005578 by thread T1 (mutexes: write M1371): #0 ff_dsputil_init_dwt src/libavcodec/snow_dwt.c:847 (ffmpeg+0x00000014ccba) #1 ff_me_cmp_init src/libavcodec/me_cmp.c:1056 (ffmpeg+0x00000012c907) #2 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #3 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b98000055a0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000055a0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1033 (ffmpeg+0x00000012c6ad) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b98000055a8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000055a8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1033 (ffmpeg+0x00000012c6c7) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b98000055d0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000055d0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1035 (ffmpeg+0x00000012c6e1) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b98000055d8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000055d8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1035 (ffmpeg+0x00000012c6fb) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005720 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005720 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1016 (ffmpeg+0x00000012c55b) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005728 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005728 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1017 (ffmpeg+0x00000012c56e) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005730 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005730 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1018 (ffmpeg+0x00000012c588) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005738 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005738 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1019 (ffmpeg+0x00000012c5a2) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005740 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005740 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1020 (ffmpeg+0x00000012c5bc) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005748 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005748 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1021 (ffmpeg+0x00000012c5cf) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005750 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005750 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1022 (ffmpeg+0x00000012c5e9) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005758 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005758 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1023 (ffmpeg+0x00000012c603) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005760 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005760 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1070 (ffmpeg+0x00000012c91e) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005768 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005768 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1071 (ffmpeg+0x00000012c938) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005790 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005790 by thread T1 (mutexes: write M1371): #0 ff_er_frame_start src/libavcodec/error_resilience.c:805 (ffmpeg+0x0000010a8e5b) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b98000057c0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000057c0 by thread T1 (mutexes: write M1371): #0 ff_er_frame_start src/libavcodec/error_resilience.c:810 (ffmpeg+0x0000010a8e0d) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005840 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005840 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:34 (ffmpeg+0x000000a17cef) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17cef) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005848 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005848 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:35 (ffmpeg+0x000000a17d02) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d02) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005850 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005850 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:38 (ffmpeg+0x000000a17d26) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d26) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005858 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005858 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:38 (ffmpeg+0x000000a17d6c) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d6c) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005860 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005860 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:39 (ffmpeg+0x000000a17d4c) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d4c) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005868 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005868 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:39 (ffmpeg+0x000000a17d92) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d92) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005870 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005870 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:42 (ffmpeg+0x000000a17db2) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17db2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005878 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005878 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:43 (ffmpeg+0x000000a17dd7) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17dd7) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005880 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005880 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:29 (ffmpeg+0x000000a18147) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:52 (ffmpeg+0x000000a18147) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005888 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005888 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:30 (ffmpeg+0x000000a1815e) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:52 (ffmpeg+0x000000a1815e) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b98000058c0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058c0 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:34 (ffmpeg+0x000000a17e31) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17e31) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b98000058c8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058c8 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:35 (ffmpeg+0x000000a17e44) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17e44) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b98000058d0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058d0 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:38 (ffmpeg+0x000000a17e68) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17e68) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b98000058d8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058d8 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:38 (ffmpeg+0x000000a17eae) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17eae) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b98000058e0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058e0 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:39 (ffmpeg+0x000000a17e8e) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17e8e) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b98000058e8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058e8 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:39 (ffmpeg+0x000000a17ed4) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17ed4) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b98000058f0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058f0 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:42 (ffmpeg+0x000000a17ef4) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17ef4) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b98000058f8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000058f8 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:43 (ffmpeg+0x000000a17f19) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17f19) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005920 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005924 by thread T1 (mutexes: write M1371): #0 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:56 (ffmpeg+0x000000a180cb) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=8131) Read of size 8 at 0x7b9800005928 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005928 by thread T1 (mutexes: write M1371): #0 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:57 (ffmpeg+0x000000a180ef) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8170, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth3-mpeg4-error.out.rawvideo': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 34x34 [SAR 1:1 DAR 1:1], q=2-31, 346 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo frame= 50 fps=0.0 q=-0.0 Lsize= 85kB time=00:00:02.00 bitrate= 346.8kbits/s speed=4.94x video:85kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 88 warnings
diff	stderr	vsynth3-mpeg4-nr	66	N-121790-g523d688c2b

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth3-mpeg4-nr 2017-03-24 21:02:53.653046513 +0000 +++ tests/data/fate/vsynth3-mpeg4-nr 2017-09-06 03:58:16.287394766 +0000 @@ -1,4 +1,2 @@ 62790bdb7c2bb4da94dba992ea967fc8 tests/data/fate/vsynth3-mpeg4-nr.avi 36500 tests/data/fate/vsynth3-mpeg4-nr.avi -d0ad9918a12019dd2eacfb804d1f7e78 tests/data/fate/vsynth3-mpeg4-nr.out.rawvideo -stddev: 8.27 PSNR: 29.78 MAXDIFF: 70 bytes: 86700/ 86700

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth3.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 346 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 34x34, 346 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -q:a or -q:v, -qscale is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth3-mpeg4-nr.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 34x34, q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 frame= 50 fps=0.0 q=8.0 Lsize= 36kB time=00:00:02.00 bitrate= 146.0kbits/s speed=7.62x video:29kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 23.210911% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, avi, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth3-mpeg4-nr.avi': Duration: 00:00:02.00, start: 0.000000, bitrate: 146 kb/s Stream #0:0: Video: mpeg4 (Simple Profile) (FMP4 / 0x34504D46), yuv420p, 34x34 [SAR 1:1 DAR 1:1], 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth3-mpeg4-nr.out.rawvideo': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 34x34 [SAR 1:1 DAR 1:1], q=2-31, 346 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo ================== WARNING: ThreadSanitizer: data race (pid=8192) Write of size 4 at 0x7b98000080cc by thread T2 (mutexes: write M1373): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 4 at 0x7b98000080cc by main thread (mutexes: write M1371): #0 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:568 (ffmpeg+0x000000a43ab3) #1 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #2 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #3 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #4 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #5 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #6 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #7 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #8 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #9 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #10 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #11 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #12 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #13 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #14 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #15 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800006000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 ff_frame_thread_init src/libavcodec/pthread_frame.c:821 (ffmpeg+0x000000b05586) #3 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #6 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #7 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #8 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c00000cd8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00000b28) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=8202, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/h263dec.c:271 in decode_slice ================== frame= 50 fps=0.0 q=-0.0 Lsize= 85kB time=00:00:02.00 bitrate= 346.8kbits/s speed=10.3x video:85kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 1 warnings
diff	stderr	vsynth3-mpeg4-nsse	66	N-121790-g523d688c2b

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth3-mpeg4-nsse 2017-03-24 21:02:53.653046513 +0000 +++ tests/data/fate/vsynth3-mpeg4-nsse 2017-09-06 03:58:16.234061435 +0000 @@ -1,4 +1,2 @@ 88b1aa2dcea6a45c527487ba8f441feb tests/data/fate/vsynth3-mpeg4-nsse.avi 41980 tests/data/fate/vsynth3-mpeg4-nsse.avi -69d86dec0d73e00608e03855a79dbdc0 tests/data/fate/vsynth3-mpeg4-nsse.out.rawvideo -stddev: 6.70 PSNR: 31.60 MAXDIFF: 68 bytes: 86700/ 86700

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth3.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 346 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 34x34, 346 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -q:a or -q:v, -qscale is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth3-mpeg4-nsse.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 34x34, q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 frame= 50 fps=0.0 q=7.0 Lsize= 41kB time=00:00:02.00 bitrate= 167.9kbits/s speed=17.2x video:34kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 19.601139% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, avi, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth3-mpeg4-nsse.avi': Duration: 00:00:02.00, start: 0.000000, bitrate: 167 kb/s Stream #0:0: Video: mpeg4 (Simple Profile) (FMP4 / 0x34504D46), yuv420p, 34x34 [SAR 1:1 DAR 1:1], 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth3-mpeg4-nsse.out.rawvideo': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 34x34 [SAR 1:1 DAR 1:1], q=2-31, 346 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo ================== WARNING: ThreadSanitizer: data race (pid=8184) Write of size 4 at 0x7b98000080cc by thread T2 (mutexes: write M1373): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 4 at 0x7b98000080cc by main thread (mutexes: write M1371): #0 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:568 (ffmpeg+0x000000a43ab3) #1 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #2 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #3 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #4 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #5 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #6 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #7 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #8 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #9 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #10 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #11 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #12 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #13 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #14 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #15 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800006000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 ff_frame_thread_init src/libavcodec/pthread_frame.c:821 (ffmpeg+0x000000b05586) #3 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #6 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #7 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #8 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=8198, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/h263dec.c:271 in decode_slice ================== frame= 50 fps=0.0 q=-0.0 Lsize= 85kB time=00:00:02.00 bitrate= 346.8kbits/s speed=8.29x video:85kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 1 warnings
diff	stderr	vsynth3-mpeg4-qpel	66	N-121752-g6cdd2cbe32

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth3-mpeg4-qpel 2017-03-24 21:02:53.653046513 +0000 +++ tests/data/fate/vsynth3-mpeg4-qpel 2017-09-06 03:58:15.670728123 +0000 @@ -1,4 +1,2 @@ 8e60ed0013bfc28f48ed4d826fd26a6a tests/data/fate/vsynth3-mpeg4-qpel.avi 42622 tests/data/fate/vsynth3-mpeg4-qpel.avi -50af37a5ae05f0af34bd56dcef997c8d tests/data/fate/vsynth3-mpeg4-qpel.out.rawvideo -stddev: 6.59 PSNR: 31.75 MAXDIFF: 54 bytes: 86700/ 86700

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth3.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 346 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 34x34, 346 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -q:a or -q:v, -qscale is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth3-mpeg4-qpel.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 34x34, q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 frame= 50 fps=0.0 q=7.0 Lsize= 42kB time=00:00:01.96 bitrate= 174.0kbits/s speed=6.74x video:35kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 19.252399% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, avi, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth3-mpeg4-qpel.avi': Duration: 00:00:02.00, start: 0.000000, bitrate: 170 kb/s Stream #0:0: Video: mpeg4 (Advanced Simple Profile) (FMP4 / 0x34504D46), yuv420p, 34x34 [SAR 1:1 DAR 1:1], 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth3-mpeg4-qpel.out.rawvideo': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 34x34 [SAR 1:1 DAR 1:1], q=2-31, 346 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo ================== WARNING: ThreadSanitizer: data race (pid=8092) Read of size 4 at 0x7b98000080cc by main thread (mutexes: write M1371): #0 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:568 (ffmpeg+0x000000a43ab3) #1 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #2 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #3 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #4 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #5 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #6 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #7 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #8 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #9 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #10 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #11 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #12 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #13 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #14 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #15 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000080cc by thread T2 (mutexes: write M1373): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800006000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 ff_frame_thread_init src/libavcodec/pthread_frame.c:821 (ffmpeg+0x000000b05586) #3 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #6 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #7 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #8 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=8107, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:568 in ff_mpeg_update_thread_context ================== frame= 50 fps=0.0 q=-0.0 Lsize= 85kB time=00:00:02.04 bitrate= 340.0kbits/s speed=10.8x video:85kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 1 warnings
diff	stderr	vsynth3-mpeg4-qprd	66	N-121752-g6cdd2cbe32

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth3-mpeg4-qprd 2017-03-24 21:02:53.653046513 +0000 +++ tests/data/fate/vsynth3-mpeg4-qprd 2017-09-06 03:58:15.407394801 +0000 @@ -1,4 +1,2 @@ e3b49e22e8acbd21f34a2909bb35075e tests/data/fate/vsynth3-mpeg4-qprd.avi 61830 tests/data/fate/vsynth3-mpeg4-qprd.avi -c59f2bead1c81b23fabc0a740048b110 tests/data/fate/vsynth3-mpeg4-qprd.out.rawvideo -stddev: 2.68 PSNR: 39.55 MAXDIFF: 27 bytes: 86700/ 86700

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth3.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 346 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 34x34, 346 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -b:a or -b:v, -b is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth3-mpeg4-qprd.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 34x34, q=2-31, 450 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/450000 buffer size: 0 vbv_delay: -1 frame= 50 fps=0.0 q=2.0 Lsize= 60kB time=00:00:01.96 bitrate= 252.4kbits/s speed=3.56x video:54kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 12.508188% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, avi, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth3-mpeg4-qprd.avi': Duration: 00:00:02.00, start: 0.000000, bitrate: 247 kb/s Stream #0:0: Video: mpeg4 (Advanced Simple Profile) (FMP4 / 0x34504D46), yuv420p, 34x34 [SAR 1:1 DAR 1:1], 224 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth3-mpeg4-qprd.out.rawvideo': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 34x34 [SAR 1:1 DAR 1:1], q=2-31, 346 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo ================== WARNING: ThreadSanitizer: data race (pid=8057) Write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 4 at 0x7b98000050cc by main thread (mutexes: write M1373): #0 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:568 (ffmpeg+0x000000a43ab3) #1 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #2 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #3 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #4 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #5 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #6 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #7 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #8 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #9 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #10 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #11 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #12 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #13 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #14 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #15 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8083, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/h263dec.c:271 in decode_slice ================== frame= 50 fps=0.0 q=-0.0 Lsize= 85kB time=00:00:02.04 bitrate= 340.0kbits/s speed=7.81x video:85kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 1 warnings
diff	stderr	vsynth3-mpeg4-rc	66	N-121752-g6cdd2cbe32

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth3-mpeg4-rc 2017-03-24 21:02:53.653046513 +0000 +++ tests/data/fate/vsynth3-mpeg4-rc 2017-09-06 03:58:14.907394821 +0000 @@ -1,4 +1,2 @@ 5b51e8f91fecd621cd3aa5d687659fbc tests/data/fate/vsynth3-mpeg4-rc.avi 81092 tests/data/fate/vsynth3-mpeg4-rc.avi -07ba5baf141a24561f7dba43645a3400 tests/data/fate/vsynth3-mpeg4-rc.out.rawvideo -stddev: 2.62 PSNR: 39.74 MAXDIFF: 23 bytes: 86700/ 86700

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth3.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 346 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 34x34, 346 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -b:a or -b:v, -b is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth3-mpeg4-rc.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 34x34, q=2-31, 400 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/400000 buffer size: 0 vbv_delay: -1 frame= 50 fps=0.0 q=2.0 Lsize= 79kB time=00:00:01.96 bitrate= 331.0kbits/s speed=14.3x video:72kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 9.258960% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, avi, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth3-mpeg4-rc.avi': Duration: 00:00:02.00, start: 0.000000, bitrate: 324 kb/s Stream #0:0: Video: mpeg4 (Advanced Simple Profile) (FMP4 / 0x34504D46), yuv420p, 34x34 [SAR 1:1 DAR 1:1], 302 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth3-mpeg4-rc.out.rawvideo': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 34x34 [SAR 1:1 DAR 1:1], q=2-31, 346 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo ================== WARNING: ThreadSanitizer: data race (pid=7998) Write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 4 at 0x7b98000050cc by main thread (mutexes: write M1373): #0 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:568 (ffmpeg+0x000000a43ab3) #1 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #2 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #3 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #4 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #5 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #6 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #7 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #8 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #9 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #10 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #11 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #12 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #13 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #14 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #15 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=8014, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/h263dec.c:271 in decode_slice ================== frame= 50 fps=0.0 q=-0.0 Lsize= 85kB time=00:00:02.04 bitrate= 340.0kbits/s speed=9.13x video:85kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 1 warnings
diff	stderr	vsynth3-mpeg4-thread	66	N-121752-g6cdd2cbe32

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth3-mpeg4-thread 2017-03-24 21:02:53.653046513 +0000 +++ tests/data/fate/vsynth3-mpeg4-thread 2017-09-06 03:58:15.377394802 +0000 @@ -1,4 +0,0 @@ -b071631783ee76df554161fc3966f567 tests/data/fate/vsynth3-mpeg4-thread.avi -74582 tests/data/fate/vsynth3-mpeg4-thread.avi -7eb4d38b01c71064406ce6705c471439 tests/data/fate/vsynth3-mpeg4-thread.out.rawvideo -stddev: 1.99 PSNR: 42.12 MAXDIFF: 18 bytes: 86700/ 86700

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth3.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 346 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 34x34, 346 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -b:a or -b:v, -b is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth3-mpeg4-thread.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 34x34, q=2-31, 500 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/500000 buffer size: 0 vbv_delay: -1 ================== WARNING: ThreadSanitizer: data race (pid=8050) Read of size 2 at 0x7b380000011a by main thread: #0 ff_mpeg4_pred_dc src/libavcodec/mpeg4video.h:202 (ffmpeg+0x000000a0a834) #1 ff_mpeg4_encode_mb src/libavcodec/mpeg4videoenc.c:805 (ffmpeg+0x000000a0a834) #2 encode_mb_internal src/libavcodec/mpegvideo_enc.c:2636 (ffmpeg+0x000000a682d0) #3 encode_mb src/libavcodec/mpegvideo_enc.c:2674 (ffmpeg+0x000000a682d0) #4 encode_thread src/libavcodec/mpegvideo_enc.c:3592 (ffmpeg+0x000000a682d0) #5 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #6 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x0000014340ce) #7 avpriv_slicethread_execute src/libavutil/slicethread.c:192 (ffmpeg+0x0000014340ce) #8 thread_execute src/libavcodec/pthread_slice.c:102 (ffmpeg+0x000000b06757) #9 encode_picture src/libavcodec/mpegvideo_enc.c:4020 (ffmpeg+0x000000a5e63a) #10 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1964 (ffmpeg+0x000000a5e63a) #11 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #12 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #13 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #14 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #15 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #16 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #17 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #18 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Previous write of size 2 at 0x7b380000011a by thread T2 (mutexes: write M1370): #0 ff_mpeg4_pred_dc src/libavcodec/mpeg4video.h:252 (ffmpeg+0x000000a0a920) #1 ff_mpeg4_encode_mb src/libavcodec/mpeg4videoenc.c:805 (ffmpeg+0x000000a0a920) #2 encode_mb_internal src/libavcodec/mpegvideo_enc.c:2636 (ffmpeg+0x000000a682d0) #3 encode_mb src/libavcodec/mpegvideo_enc.c:2674 (ffmpeg+0x000000a682d0) #4 encode_thread src/libavcodec/mpegvideo_enc.c:3592 (ffmpeg+0x000000a682d0) #5 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #6 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x000001433de8) #7 thread_worker src/libavutil/slicethread.c:85 (ffmpeg+0x000001433de8) Location is heap block of size 206 at 0x7b38000000e0 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_frame src/libavcodec/mpegvideo.c:777 (ffmpeg+0x000000a3b1ff) #4 ff_mpv_common_init src/libavcodec/mpegvideo.c:943 (ffmpeg+0x000000136f3d) #5 ff_mpv_encode_init src/libavcodec/mpegvideo_enc.c:939 (ffmpeg+0x0000001391fd) #6 encode_init src/libavcodec/mpeg4videoenc.c:1282 (ffmpeg+0x000000132db4) #7 avcodec_open2 src/libavcodec/utils.c:1020 (ffmpeg+0x000000c6d697) #8 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #9 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #10 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #11 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #12 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Mutex M1370 (0x7b2000000388) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 avpriv_slicethread_create src/libavutil/slicethread.c:146 (ffmpeg+0x000001434422) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=8068, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4video.h:202 in ff_mpeg4_pred_dc ================== ================== WARNING: ThreadSanitizer: data race (pid=8050) Read of size 1 at 0x7b080000066f by main thread: #0 decide_ac_pred src/libavcodec/mpeg4videoenc.c:152 (ffmpeg+0x000000a0be19) #1 ff_mpeg4_encode_mb src/libavcodec/mpeg4videoenc.c:808 (ffmpeg+0x000000a0be19) #2 encode_mb_internal src/libavcodec/mpegvideo_enc.c:2636 (ffmpeg+0x000000a682d0) #3 encode_mb src/libavcodec/mpegvideo_enc.c:2674 (ffmpeg+0x000000a682d0) #4 encode_thread src/libavcodec/mpegvideo_enc.c:3592 (ffmpeg+0x000000a682d0) #5 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #6 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x0000014340ce) #7 avpriv_slicethread_execute src/libavutil/slicethread.c:192 (ffmpeg+0x0000014340ce) #8 thread_execute src/libavcodec/pthread_slice.c:102 (ffmpeg+0x000000b06757) #9 encode_picture src/libavcodec/mpegvideo_enc.c:4020 (ffmpeg+0x000000a5e63a) #10 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1964 (ffmpeg+0x000000a5e63a) #11 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #12 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #13 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #14 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #15 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #16 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #17 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #18 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Previous write of size 1 at 0x7b080000066f by thread T2 (mutexes: write M1370): #0 mpv_reconstruct_mb_internal src/libavcodec/mpegvideo.c:2500 (ffmpeg+0x000000a49215) #1 ff_mpv_reconstruct_mb src/libavcodec/mpegvideo.c:2733 (ffmpeg+0x000000a49215) #2 encode_thread src/libavcodec/mpegvideo_enc.c:3601 (ffmpeg+0x000000a67010) #3 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #4 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x000001433de8) #5 thread_worker src/libavutil/slicethread.c:85 (ffmpeg+0x000001433de8) Location is heap block of size 21 at 0x7b0800000660 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_allocz src/libavutil/buffer.c:85 (ffmpeg+0x0000013fa4b8) #4 alloc_picture_tables src/libavcodec/mpegpicture.c:191 (ffmpeg+0x000000a38e6e) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:259 (ffmpeg+0x000000a38e6e) #6 alloc_picture src/libavcodec/mpegvideo_enc.c:1240 (ffmpeg+0x000000a5bac5) #7 load_input_picture src/libavcodec/mpegvideo_enc.c:1313 (ffmpeg+0x000000a5bac5) #8 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1926 (ffmpeg+0x000000a5bac5) #9 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #10 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #11 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #12 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #13 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #14 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Mutex M1370 (0x7b2000000388) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 avpriv_slicethread_create src/libavutil/slicethread.c:146 (ffmpeg+0x000001434422) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=8068, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4videoenc.c:152 in decide_ac_pred ================== ================== WARNING: ThreadSanitizer: data race (pid=8050) Read of size 2 at 0x7b380000011c by main thread: #0 ff_mpeg4_pred_dc src/libavcodec/mpeg4video.h:202 (ffmpeg+0x000000a0a834) #1 ff_mpeg4_encode_mb src/libavcodec/mpeg4videoenc.c:805 (ffmpeg+0x000000a0a834) #2 encode_mb_internal src/libavcodec/mpegvideo_enc.c:2636 (ffmpeg+0x000000a56cfe) #3 encode_mb src/libavcodec/mpegvideo_enc.c:2674 (ffmpeg+0x000000a56cfe) #4 encode_mb_hq src/libavcodec/mpegvideo_enc.c:2768 (ffmpeg+0x000000a56cfe) #5 encode_thread src/libavcodec/mpegvideo_enc.c:3340 (ffmpeg+0x000000a67cb1) #6 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #7 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x0000014340ce) #8 avpriv_slicethread_execute src/libavutil/slicethread.c:192 (ffmpeg+0x0000014340ce) #9 thread_execute src/libavcodec/pthread_slice.c:102 (ffmpeg+0x000000b06757) #10 encode_picture src/libavcodec/mpegvideo_enc.c:4020 (ffmpeg+0x000000a5e63a) #11 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1964 (ffmpeg+0x000000a5e63a) #12 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #13 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #14 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #15 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #16 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #17 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #18 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #19 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Previous write of size 2 at 0x7b380000011c by thread T2 (mutexes: write M1370): #0 ff_mpeg4_pred_dc src/libavcodec/mpeg4video.h:252 (ffmpeg+0x000000a0a920) #1 ff_mpeg4_encode_mb src/libavcodec/mpeg4videoenc.c:805 (ffmpeg+0x000000a0a920) #2 encode_mb_internal src/libavcodec/mpegvideo_enc.c:2636 (ffmpeg+0x000000a56cfe) #3 encode_mb src/libavcodec/mpegvideo_enc.c:2674 (ffmpeg+0x000000a56cfe) #4 encode_mb_hq src/libavcodec/mpegvideo_enc.c:2768 (ffmpeg+0x000000a56cfe) #5 encode_thread src/libavcodec/mpegvideo_enc.c:3340 (ffmpeg+0x000000a67cb1) #6 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #7 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x000001433de8) #8 thread_worker src/libavutil/slicethread.c:85 (ffmpeg+0x000001433de8) Location is heap block of size 206 at 0x7b38000000e0 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_frame src/libavcodec/mpegvideo.c:777 (ffmpeg+0x000000a3b1ff) #4 ff_mpv_common_init src/libavcodec/mpegvideo.c:943 (ffmpeg+0x000000136f3d) #5 ff_mpv_encode_init src/libavcodec/mpegvideo_enc.c:939 (ffmpeg+0x0000001391fd) #6 encode_init src/libavcodec/mpeg4videoenc.c:1282 (ffmpeg+0x000000132db4) #7 avcodec_open2 src/libavcodec/utils.c:1020 (ffmpeg+0x000000c6d697) #8 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #9 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #10 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #11 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #12 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Mutex M1370 (0x7b2000000388) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 avpriv_slicethread_create src/libavutil/slicethread.c:146 (ffmpeg+0x000001434422) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=8068, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4video.h:202 in ff_mpeg4_pred_dc ================== ================== WARNING: ThreadSanitizer: data race (pid=8050) Read of size 1 at 0x7b080000322d by main thread: #0 decide_ac_pred src/libavcodec/mpeg4videoenc.c:152 (ffmpeg+0x000000a0be19) #1 ff_mpeg4_encode_mb src/libavcodec/mpeg4videoenc.c:808 (ffmpeg+0x000000a0be19) #2 encode_mb_internal src/libavcodec/mpegvideo_enc.c:2636 (ffmpeg+0x000000a56cfe) #3 encode_mb src/libavcodec/mpegvideo_enc.c:2674 (ffmpeg+0x000000a56cfe) #4 encode_mb_hq src/libavcodec/mpegvideo_enc.c:2768 (ffmpeg+0x000000a56cfe) #5 encode_thread src/libavcodec/mpegvideo_enc.c:3340 (ffmpeg+0x000000a67cb1) #6 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #7 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x0000014340ce) #8 avpriv_slicethread_execute src/libavutil/slicethread.c:192 (ffmpeg+0x0000014340ce) #9 thread_execute src/libavcodec/pthread_slice.c:102 (ffmpeg+0x000000b06757) #10 encode_picture src/libavcodec/mpegvideo_enc.c:4020 (ffmpeg+0x000000a5e63a) #11 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1964 (ffmpeg+0x000000a5e63a) #12 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #13 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #14 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #15 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #16 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #17 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #18 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #19 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Previous write of size 1 at 0x7b080000322d by thread T2 (mutexes: write M1370): #0 encode_thread src/libavcodec/mpegvideo_enc.c:3449 (ffmpeg+0x000000a65fec) #1 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #2 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x000001433de8) #3 thread_worker src/libavutil/slicethread.c:85 (ffmpeg+0x000001433de8) Location is heap block of size 21 at 0x7b0800003220 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_allocz src/libavutil/buffer.c:85 (ffmpeg+0x0000013fa4b8) #4 alloc_picture_tables src/libavcodec/mpegpicture.c:191 (ffmpeg+0x000000a38e6e) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:259 (ffmpeg+0x000000a38e6e) #6 alloc_picture src/libavcodec/mpegvideo_enc.c:1240 (ffmpeg+0x000000a5bac5) #7 load_input_picture src/libavcodec/mpegvideo_enc.c:1313 (ffmpeg+0x000000a5bac5) #8 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1926 (ffmpeg+0x000000a5bac5) #9 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #10 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #11 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #12 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #13 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #14 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Mutex M1370 (0x7b2000000388) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 avpriv_slicethread_create src/libavutil/slicethread.c:146 (ffmpeg+0x000001434422) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=8068, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4videoenc.c:152 in decide_ac_pred ================== ================== WARNING: ThreadSanitizer: data race (pid=8050) Read of size 1 at 0x7b0800000b6f by main thread: #0 decide_ac_pred src/libavcodec/mpeg4videoenc.c:152 (ffmpeg+0x000000a0be19) #1 ff_mpeg4_encode_mb src/libavcodec/mpeg4videoenc.c:808 (ffmpeg+0x000000a0be19) #2 encode_mb_internal src/libavcodec/mpegvideo_enc.c:2636 (ffmpeg+0x000000a682d0) #3 encode_mb src/libavcodec/mpegvideo_enc.c:2674 (ffmpeg+0x000000a682d0) #4 encode_thread src/libavcodec/mpegvideo_enc.c:3592 (ffmpeg+0x000000a682d0) #5 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #6 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x0000014340ce) #7 avpriv_slicethread_execute src/libavutil/slicethread.c:192 (ffmpeg+0x0000014340ce) #8 thread_execute src/libavcodec/pthread_slice.c:102 (ffmpeg+0x000000b06757) #9 encode_picture src/libavcodec/mpegvideo_enc.c:4020 (ffmpeg+0x000000a5e63a) #10 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1964 (ffmpeg+0x000000a5e63a) #11 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #12 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #13 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #14 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #15 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #16 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #17 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #18 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Previous write of size 1 at 0x7b0800000b6f by thread T2 (mutexes: write M1370): #0 encode_thread src/libavcodec/mpegvideo_enc.c:3449 (ffmpeg+0x000000a65fec) #1 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #2 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x000001433de8) #3 thread_worker src/libavutil/slicethread.c:85 (ffmpeg+0x000001433de8) Location is heap block of size 21 at 0x7b0800000b60 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:45 (ffmpeg+0x000000a3895a) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3895a) #6 alloc_picture src/libavcodec/mpegvideo_enc.c:1240 (ffmpeg+0x000000a5bac5) #7 load_input_picture src/libavcodec/mpegvideo_enc.c:1313 (ffmpeg+0x000000a5bac5) #8 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1926 (ffmpeg+0x000000a5bac5) #9 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #10 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #11 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #12 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #13 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #14 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Mutex M1370 (0x7b2000000388) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 avpriv_slicethread_create src/libavutil/slicethread.c:146 (ffmpeg+0x000001434422) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=8068, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4videoenc.c:152 in decide_ac_pred ================== ================== WARNING: ThreadSanitizer: data race (pid=8050) Read of size 1 at 0x7b08000008cd by thread T2 (mutexes: write M1370): #0 decide_ac_pred src/libavcodec/mpeg4videoenc.c:152 (ffmpeg+0x000000a0be19) #1 ff_mpeg4_encode_mb src/libavcodec/mpeg4videoenc.c:808 (ffmpeg+0x000000a0be19) #2 encode_mb_internal src/libavcodec/mpegvideo_enc.c:2636 (ffmpeg+0x000000a56cfe) #3 encode_mb src/libavcodec/mpegvideo_enc.c:2674 (ffmpeg+0x000000a56cfe) #4 encode_mb_hq src/libavcodec/mpegvideo_enc.c:2768 (ffmpeg+0x000000a56cfe) #5 encode_thread src/libavcodec/mpegvideo_enc.c:3340 (ffmpeg+0x000000a67cb1) #6 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #7 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x000001433de8) #8 thread_worker src/libavutil/slicethread.c:85 (ffmpeg+0x000001433de8) Previous write of size 1 at 0x7b08000008cd by main thread: #0 encode_thread src/libavcodec/mpegvideo_enc.c:3449 (ffmpeg+0x000000a65fec) #1 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #2 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x0000014340ce) #3 avpriv_slicethread_execute src/libavutil/slicethread.c:192 (ffmpeg+0x0000014340ce) #4 thread_execute src/libavcodec/pthread_slice.c:102 (ffmpeg+0x000000b06757) #5 encode_picture src/libavcodec/mpegvideo_enc.c:4020 (ffmpeg+0x000000a5e63a) #6 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1964 (ffmpeg+0x000000a5e63a) #7 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #8 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #9 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #10 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #11 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #12 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #13 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #14 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Location is heap block of size 21 at 0x7b08000008c0 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:45 (ffmpeg+0x000000a3895a) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3895a) #6 alloc_picture src/libavcodec/mpegvideo_enc.c:1240 (ffmpeg+0x000000a5bac5) #7 load_input_picture src/libavcodec/mpegvideo_enc.c:1313 (ffmpeg+0x000000a5bac5) #8 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1926 (ffmpeg+0x000000a5bac5) #9 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #10 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #11 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #12 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #13 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #14 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Mutex M1370 (0x7b2000000388) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 avpriv_slicethread_create src/libavutil/slicethread.c:146 (ffmpeg+0x000001434422) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=8068, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4videoenc.c:152 in decide_ac_pred ================== frame= 50 fps=0.0 q=2.0 Lsize= 73kB time=00:00:01.96 bitrate= 304.4kbits/s speed=3.57x video:66kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 10.160554% ThreadSanitizer: reported 6 warnings
diff	stderr	vsynth_lena-mpeg4	66	N-121808-gf283750ba8

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth_lena-mpeg4 2017-03-24 21:02:53.653046513 +0000 +++ tests/data/fate/vsynth_lena-mpeg4 2017-09-06 04:01:39.244050663 +0000 @@ -1,4 +1,2 @@ 4a029747434d24d128b078a5e6aa1e88 tests/data/fate/vsynth_lena-mpeg4.mp4 119722 tests/data/fate/vsynth_lena-mpeg4.mp4 -9a1e085d9e488c5ead0c940c9612a37a tests/data/fate/vsynth_lena-mpeg4.out.rawvideo -stddev: 5.34 PSNR: 33.57 MAXDIFF: 83 bytes: 7603200/ 7603200

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth_lena.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 30412 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288, 30412 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -q:a or -q:v, -qscale is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, mp4, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth_lena-mpeg4.mp4': Stream #0:0: Video: mpeg4 (mp4v / 0x7634706D), yuv420p, 352x288, q=2-31, 200 kb/s, 25 fps, 12800 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 frame= 50 fps= 16 q=10.0 Lsize= 117kB time=00:00:01.96 bitrate= 488.6kbits/s speed=0.643x video:116kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.861844% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth_lena-mpeg4.mp4': Metadata: major_brand : isom minor_version : 512 compatible_brands: isomiso2mp41 Duration: 00:00:02.00, start: 0.000000, bitrate: 478 kb/s Stream #0:0(und): Video: mpeg4 (Simple Profile) (mp4v / 0x7634706D), yuv420p, 352x288 [SAR 1:1 DAR 11:9], 474 kb/s, 25 fps, 25 tbr, 12800 tbn, 25 tbc (default) Metadata: handler_name : VideoHandler Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b980000300c by thread T1 (mutexes: write M1370): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2817 (ffmpeg+0x000000a4f1c9) #1 decode_slice src/libavcodec/h263dec.c:198 (ffmpeg+0x00000081d7e2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1370): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800003018 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003018 by thread T1 (mutexes: write M1370): #0 mpeg4_decode_block src/libavcodec/mpeg4videodec.c:1243 (ffmpeg+0x0000009fc0b0) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1674 (ffmpeg+0x0000009fc0b0) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800003a60 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003a60 by thread T1 (mutexes: write M1370): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2813 (ffmpeg+0x000000a4f136) #1 decode_slice src/libavcodec/h263dec.c:198 (ffmpeg+0x00000081d7e2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1370): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1370): #0 decode_slice src/libavcodec/h263dec.c:273 (ffmpeg+0x00000081e23c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1370): #0 decode_slice src/libavcodec/h263dec.c:277 (ffmpeg+0x00000081e2b8) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1370): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1646 (ffmpeg+0x0000009fb1f8) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1370): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1370): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1370): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1370): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1370): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1370): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800004f60 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004f60 by thread T1 (mutexes: write M1370): #0 decode_slice src/libavcodec/h263dec.c:195 (ffmpeg+0x00000081d782) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800004f68 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004f68 by thread T1 (mutexes: write M1370): #0 decode_slice src/libavcodec/h263dec.c:193 (ffmpeg+0x00000081d702) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b98000050c8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1370): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005120 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005124 by thread T1 (mutexes: write M1370): #0 decode_slice src/libavcodec/h263dec.c:246 (ffmpeg+0x00000081de8f) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1370): #0 get_vlc2 src/libavcodec/get_bits.h:564 (ffmpeg+0x0000009fac40) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1637 (ffmpeg+0x0000009fac40) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005358 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005358 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1013 (ffmpeg+0x00000012c545) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005360 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005360 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1037 (ffmpeg+0x00000012c712) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005368 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005368 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1038 (ffmpeg+0x00000012c71f) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005390 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005390 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1039 (ffmpeg+0x00000012c72c) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005398 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005398 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1040 (ffmpeg+0x00000012c740) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b98000053a0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053a0 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1041 (ffmpeg+0x00000012c754) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b98000053c0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053c0 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1029 (ffmpeg+0x00000012c61a) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b98000053c8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053c8 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1029 (ffmpeg+0x00000012c62e) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b98000053e0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053e0 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1030 (ffmpeg+0x00000012c645) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b98000053e8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053e8 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1031 (ffmpeg+0x00000012c65f) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b98000053f0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053f0 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1032 (ffmpeg+0x00000012c679) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b98000053f8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053f8 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1032 (ffmpeg+0x00000012c693) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005420 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005420 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1042 (ffmpeg+0x00000012c76b) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005428 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005428 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1042 (ffmpeg+0x00000012c785) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005450 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005450 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1044 (ffmpeg+0x00000012c7d3) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005458 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005458 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1044 (ffmpeg+0x00000012c7ed) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005480 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005480 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1043 (ffmpeg+0x00000012c79f) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005488 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005488 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1043 (ffmpeg+0x00000012c7b9) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b98000054b0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054b0 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1045 (ffmpeg+0x00000012c807) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b98000054b8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054b8 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1046 (ffmpeg+0x00000012c821) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b98000054d0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054d0 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1047 (ffmpeg+0x00000012c83b) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b98000054d8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054d8 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1048 (ffmpeg+0x00000012c855) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b98000054e0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054e0 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1049 (ffmpeg+0x00000012c86f) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b98000054e8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054e8 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1050 (ffmpeg+0x00000012c889) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005500 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005500 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1051 (ffmpeg+0x00000012c8a3) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005508 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005508 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1052 (ffmpeg+0x00000012c8bd) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005510 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005510 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1053 (ffmpeg+0x00000012c8d7) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005518 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005518 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1054 (ffmpeg+0x00000012c8f1) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005540 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005540 by thread T1 (mutexes: write M1370): #0 ff_dsputil_init_dwt src/libavcodec/snow_dwt.c:844 (ffmpeg+0x00000014cc6c) #1 ff_me_cmp_init src/libavcodec/me_cmp.c:1056 (ffmpeg+0x00000012c907) #2 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #3 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005548 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005548 by thread T1 (mutexes: write M1370): #0 ff_dsputil_init_dwt src/libavcodec/snow_dwt.c:845 (ffmpeg+0x00000014cc86) #1 ff_me_cmp_init src/libavcodec/me_cmp.c:1056 (ffmpeg+0x00000012c907) #2 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #3 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005570 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005570 by thread T1 (mutexes: write M1370): #0 ff_dsputil_init_dwt src/libavcodec/snow_dwt.c:846 (ffmpeg+0x00000014cca0) #1 ff_me_cmp_init src/libavcodec/me_cmp.c:1056 (ffmpeg+0x00000012c907) #2 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #3 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005578 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005578 by thread T1 (mutexes: write M1370): #0 ff_dsputil_init_dwt src/libavcodec/snow_dwt.c:847 (ffmpeg+0x00000014ccba) #1 ff_me_cmp_init src/libavcodec/me_cmp.c:1056 (ffmpeg+0x00000012c907) #2 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #3 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b98000055a0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000055a0 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1033 (ffmpeg+0x00000012c6ad) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b98000055a8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000055a8 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1033 (ffmpeg+0x00000012c6c7) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b98000055d0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000055d0 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1035 (ffmpeg+0x00000012c6e1) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b98000055d8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000055d8 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1035 (ffmpeg+0x00000012c6fb) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005720 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005720 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1016 (ffmpeg+0x00000012c55b) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005728 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005728 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1017 (ffmpeg+0x00000012c56e) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005730 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005730 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1018 (ffmpeg+0x00000012c588) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005738 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005738 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1019 (ffmpeg+0x00000012c5a2) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005740 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005740 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1020 (ffmpeg+0x00000012c5bc) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005748 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005748 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1021 (ffmpeg+0x00000012c5cf) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005750 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005750 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1022 (ffmpeg+0x00000012c5e9) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005758 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005758 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1023 (ffmpeg+0x00000012c603) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005760 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005760 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1070 (ffmpeg+0x00000012c91e) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005768 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005768 by thread T1 (mutexes: write M1370): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1071 (ffmpeg+0x00000012c938) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005790 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005790 by thread T1 (mutexes: write M1370): #0 ff_er_frame_start src/libavcodec/error_resilience.c:805 (ffmpeg+0x0000010a8e5b) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b98000057c0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000057c4 by thread T1 (mutexes: write M1370): #0 ff_er_frame_start src/libavcodec/error_resilience.c:811 (ffmpeg+0x0000010a8e1f) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005840 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005840 by thread T1 (mutexes: write M1370): #0 set_erpic src/libavcodec/mpeg_er.c:34 (ffmpeg+0x000000a17cef) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17cef) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005848 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005848 by thread T1 (mutexes: write M1370): #0 set_erpic src/libavcodec/mpeg_er.c:35 (ffmpeg+0x000000a17d02) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d02) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005850 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005850 by thread T1 (mutexes: write M1370): #0 set_erpic src/libavcodec/mpeg_er.c:38 (ffmpeg+0x000000a17d26) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d26) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005858 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005858 by thread T1 (mutexes: write M1370): #0 set_erpic src/libavcodec/mpeg_er.c:38 (ffmpeg+0x000000a17d6c) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d6c) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005860 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005860 by thread T1 (mutexes: write M1370): #0 set_erpic src/libavcodec/mpeg_er.c:39 (ffmpeg+0x000000a17d4c) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d4c) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005868 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005868 by thread T1 (mutexes: write M1370): #0 set_erpic src/libavcodec/mpeg_er.c:39 (ffmpeg+0x000000a17d92) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d92) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005870 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005870 by thread T1 (mutexes: write M1370): #0 set_erpic src/libavcodec/mpeg_er.c:42 (ffmpeg+0x000000a17db2) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17db2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005878 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005878 by thread T1 (mutexes: write M1370): #0 set_erpic src/libavcodec/mpeg_er.c:43 (ffmpeg+0x000000a17dd7) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17dd7) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005880 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005880 by thread T1 (mutexes: write M1370): #0 set_erpic src/libavcodec/mpeg_er.c:29 (ffmpeg+0x000000a18147) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:52 (ffmpeg+0x000000a18147) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005888 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005888 by thread T1 (mutexes: write M1370): #0 set_erpic src/libavcodec/mpeg_er.c:30 (ffmpeg+0x000000a1815e) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:52 (ffmpeg+0x000000a1815e) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b98000058c0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058c0 by thread T1 (mutexes: write M1370): #0 set_erpic src/libavcodec/mpeg_er.c:34 (ffmpeg+0x000000a17e31) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17e31) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b98000058c8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058c8 by thread T1 (mutexes: write M1370): #0 set_erpic src/libavcodec/mpeg_er.c:35 (ffmpeg+0x000000a17e44) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17e44) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b98000058d0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058d0 by thread T1 (mutexes: write M1370): #0 set_erpic src/libavcodec/mpeg_er.c:38 (ffmpeg+0x000000a17e68) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17e68) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b98000058d8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058d8 by thread T1 (mutexes: write M1370): #0 set_erpic src/libavcodec/mpeg_er.c:38 (ffmpeg+0x000000a17eae) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17eae) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b98000058e0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058e0 by thread T1 (mutexes: write M1370): #0 set_erpic src/libavcodec/mpeg_er.c:39 (ffmpeg+0x000000a17e8e) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17e8e) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b98000058e8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058e8 by thread T1 (mutexes: write M1370): #0 set_erpic src/libavcodec/mpeg_er.c:39 (ffmpeg+0x000000a17ed4) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17ed4) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b98000058f0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058f0 by thread T1 (mutexes: write M1370): #0 set_erpic src/libavcodec/mpeg_er.c:42 (ffmpeg+0x000000a17ef4) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17ef4) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b98000058f8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000058f8 by thread T1 (mutexes: write M1370): #0 set_erpic src/libavcodec/mpeg_er.c:43 (ffmpeg+0x000000a17f19) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17f19) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005920 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005924 by thread T1 (mutexes: write M1370): #0 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:56 (ffmpeg+0x000000a180cb) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22335) Read of size 8 at 0x7b9800005928 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005928 by thread T1 (mutexes: write M1370): #0 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:57 (ffmpeg+0x000000a180ef) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1370 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22337, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth_lena-mpeg4.out.rawvideo': Metadata: major_brand : isom minor_version : 512 compatible_brands: isomiso2mp41 Stream #0:0(und): Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288 [SAR 1:1 DAR 11:9], q=2-31, 30412 kb/s, 25 fps, 25 tbn, 25 tbc (default) Metadata: handler_name : VideoHandler encoder : Lavc rawvideo frame= 50 fps=0.0 q=-0.0 Lsize= 7425kB time=00:00:02.00 bitrate=30412.8kbits/s speed=3.32x video:7425kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 87 warnings
diff	stderr	vsynth_lena-mpeg4-adap	66	N-121793-g1eb2cbd865

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth_lena-mpeg4-adap 2017-03-24 21:02:53.653046513 +0000 +++ tests/data/fate/vsynth_lena-mpeg4-adap 2017-09-06 04:01:47.260716808 +0000 @@ -1,4 +1,2 @@ c6108621b1202d32dac68b1944c5b8c2 tests/data/fate/vsynth_lena-mpeg4-adap.avi 198500 tests/data/fate/vsynth_lena-mpeg4-adap.avi -87b6dbe98d276137fceaae2fa672eced tests/data/fate/vsynth_lena-mpeg4-adap.out.rawvideo -stddev: 3.75 PSNR: 36.65 MAXDIFF: 71 bytes: 7603200/ 7603200

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth_lena.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 30412 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288, 30412 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -b:a or -b:v, -b is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth_lena-mpeg4-adap.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 352x288, q=2-31, 550 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/550000 buffer size: 0 vbv_delay: -1 frame= 50 fps=7.8 q=2.6 Lsize= 194kB time=00:00:01.96 bitrate= 810.2kbits/s speed=0.308x video:187kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 3.589358% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, avi, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth_lena-mpeg4-adap.avi': Duration: 00:00:02.00, start: 0.000000, bitrate: 794 kb/s Stream #0:0: Video: mpeg4 (Advanced Simple Profile) (FMP4 / 0x34504D46), yuv420p, 352x288 [SAR 1:1 DAR 11:9], 782 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 decode_slice src/libavcodec/h263dec.c:198 (ffmpeg+0x00000081d7e2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1666 (ffmpeg+0x0000009fd220) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:2816 in ff_set_qscale ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Write of size 4 at 0x7b9800003014 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_block src/libavcodec/mpeg4videodec.c:1243 (ffmpeg+0x0000009fc0b0) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1674 (ffmpeg+0x0000009fc0b0) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4videodec.c:1243 in mpeg4_decode_block ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800003a60 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003a64 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2814 (ffmpeg+0x000000a4f16b) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1666 (ffmpeg+0x0000009fd220) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:273 (ffmpeg+0x00000081e23c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:277 (ffmpeg+0x00000081e2b8) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1646 (ffmpeg+0x0000009fb1f8) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800004f60 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004f64 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:196 (ffmpeg+0x00000081d7b8) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800004f68 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004f68 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:193 (ffmpeg+0x00000081d702) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b98000050c8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005120 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005124 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:246 (ffmpeg+0x00000081de8f) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1371): #0 get_vlc2 src/libavcodec/get_bits.h:564 (ffmpeg+0x0000009fac40) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1637 (ffmpeg+0x0000009fac40) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005358 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005358 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1013 (ffmpeg+0x00000012c545) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005360 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005360 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1037 (ffmpeg+0x00000012c712) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005368 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005368 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1038 (ffmpeg+0x00000012c71f) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005390 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005390 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1039 (ffmpeg+0x00000012c72c) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005398 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005398 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1040 (ffmpeg+0x00000012c740) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b98000053a0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053a0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1041 (ffmpeg+0x00000012c754) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b98000053c0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053c0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1029 (ffmpeg+0x00000012c61a) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b98000053c8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053c8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1029 (ffmpeg+0x00000012c62e) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b98000053e0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053e0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1030 (ffmpeg+0x00000012c645) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b98000053e8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053e8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1031 (ffmpeg+0x00000012c65f) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b98000053f0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053f0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1032 (ffmpeg+0x00000012c679) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b98000053f8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053f8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1032 (ffmpeg+0x00000012c693) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005420 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005420 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1042 (ffmpeg+0x00000012c76b) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005428 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005428 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1042 (ffmpeg+0x00000012c785) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005450 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005450 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1044 (ffmpeg+0x00000012c7d3) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005458 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005458 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1044 (ffmpeg+0x00000012c7ed) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005480 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005480 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1043 (ffmpeg+0x00000012c79f) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005488 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005488 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1043 (ffmpeg+0x00000012c7b9) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b98000054b0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054b0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1045 (ffmpeg+0x00000012c807) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b98000054b8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054b8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1046 (ffmpeg+0x00000012c821) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b98000054d0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054d0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1047 (ffmpeg+0x00000012c83b) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b98000054d8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054d8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1048 (ffmpeg+0x00000012c855) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b98000054e0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054e0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1049 (ffmpeg+0x00000012c86f) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b98000054e8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054e8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1050 (ffmpeg+0x00000012c889) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005500 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005500 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1051 (ffmpeg+0x00000012c8a3) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005508 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005508 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1052 (ffmpeg+0x00000012c8bd) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005510 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005510 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1053 (ffmpeg+0x00000012c8d7) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005518 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005518 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1054 (ffmpeg+0x00000012c8f1) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005540 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005540 by thread T1 (mutexes: write M1371): #0 ff_dsputil_init_dwt src/libavcodec/snow_dwt.c:844 (ffmpeg+0x00000014cc6c) #1 ff_me_cmp_init src/libavcodec/me_cmp.c:1056 (ffmpeg+0x00000012c907) #2 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #3 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005548 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005548 by thread T1 (mutexes: write M1371): #0 ff_dsputil_init_dwt src/libavcodec/snow_dwt.c:845 (ffmpeg+0x00000014cc86) #1 ff_me_cmp_init src/libavcodec/me_cmp.c:1056 (ffmpeg+0x00000012c907) #2 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #3 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005570 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005570 by thread T1 (mutexes: write M1371): #0 ff_dsputil_init_dwt src/libavcodec/snow_dwt.c:846 (ffmpeg+0x00000014cca0) #1 ff_me_cmp_init src/libavcodec/me_cmp.c:1056 (ffmpeg+0x00000012c907) #2 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #3 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005578 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005578 by thread T1 (mutexes: write M1371): #0 ff_dsputil_init_dwt src/libavcodec/snow_dwt.c:847 (ffmpeg+0x00000014ccba) #1 ff_me_cmp_init src/libavcodec/me_cmp.c:1056 (ffmpeg+0x00000012c907) #2 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #3 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b98000055a0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000055a0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1033 (ffmpeg+0x00000012c6ad) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b98000055a8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000055a8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1033 (ffmpeg+0x00000012c6c7) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b98000055d0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000055d0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1035 (ffmpeg+0x00000012c6e1) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b98000055d8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000055d8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1035 (ffmpeg+0x00000012c6fb) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005720 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005720 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1016 (ffmpeg+0x00000012c55b) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005728 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005728 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1017 (ffmpeg+0x00000012c56e) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005730 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005730 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1018 (ffmpeg+0x00000012c588) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005738 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005738 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1019 (ffmpeg+0x00000012c5a2) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005740 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005740 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1020 (ffmpeg+0x00000012c5bc) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005748 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005748 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1021 (ffmpeg+0x00000012c5cf) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005750 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005750 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1022 (ffmpeg+0x00000012c5e9) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005758 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005758 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1023 (ffmpeg+0x00000012c603) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005760 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005760 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1070 (ffmpeg+0x00000012c91e) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005768 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005768 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1071 (ffmpeg+0x00000012c938) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005790 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005790 by thread T1 (mutexes: write M1371): #0 ff_er_frame_start src/libavcodec/error_resilience.c:805 (ffmpeg+0x0000010a8e5b) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b98000057c0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000057c4 by thread T1 (mutexes: write M1371): #0 ff_er_frame_start src/libavcodec/error_resilience.c:811 (ffmpeg+0x0000010a8e1f) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005840 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005840 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:34 (ffmpeg+0x000000a17cef) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17cef) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005848 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005848 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:35 (ffmpeg+0x000000a17d02) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d02) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005850 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005850 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:38 (ffmpeg+0x000000a17d26) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d26) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005858 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005858 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:38 (ffmpeg+0x000000a17d6c) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d6c) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005860 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005860 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:39 (ffmpeg+0x000000a17d4c) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d4c) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005868 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005868 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:39 (ffmpeg+0x000000a17d92) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d92) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005870 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005870 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:42 (ffmpeg+0x000000a17db2) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17db2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005878 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005878 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:43 (ffmpeg+0x000000a17dd7) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17dd7) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005880 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005880 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:29 (ffmpeg+0x000000a18147) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:52 (ffmpeg+0x000000a18147) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005888 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005888 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:30 (ffmpeg+0x000000a1815e) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:52 (ffmpeg+0x000000a1815e) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b98000058c0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058c0 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:34 (ffmpeg+0x000000a17e31) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17e31) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b98000058c8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058c8 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:35 (ffmpeg+0x000000a17e44) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17e44) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b98000058d0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058d0 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:38 (ffmpeg+0x000000a17e68) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17e68) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b98000058d8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058d8 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:38 (ffmpeg+0x000000a17eae) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17eae) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b98000058e0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058e0 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:39 (ffmpeg+0x000000a17e8e) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17e8e) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b98000058e8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058e8 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:39 (ffmpeg+0x000000a17ed4) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17ed4) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b98000058f0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058f0 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:42 (ffmpeg+0x000000a17ef4) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17ef4) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b98000058f8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000058f8 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:43 (ffmpeg+0x000000a17f19) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17f19) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005920 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005924 by thread T1 (mutexes: write M1371): #0 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:56 (ffmpeg+0x000000a180cb) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22441) Read of size 8 at 0x7b9800005928 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005928 by thread T1 (mutexes: write M1371): #0 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:57 (ffmpeg+0x000000a180ef) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22443, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth_lena-mpeg4-adap.out.rawvideo': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288 [SAR 1:1 DAR 11:9], q=2-31, 30412 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo frame= 50 fps=0.0 q=-0.0 Lsize= 7425kB time=00:00:02.04 bitrate=29816.5kbits/s speed=2.31x video:7425kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 88 warnings
diff	stderr	vsynth_lena-mpeg4-adv	66	N-121793-g1eb2cbd865

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth_lena-mpeg4-adv 2017-03-24 21:02:53.653046513 +0000 +++ tests/data/fate/vsynth_lena-mpeg4-adv 2017-09-06 04:01:43.144050410 +0000 @@ -1,4 +1,2 @@ 68117f01abe704a4ce6a664efffcfb40 tests/data/fate/vsynth_lena-mpeg4-adv.avi 141538 tests/data/fate/vsynth_lena-mpeg4-adv.avi -3f3a21e9db85a9c0f7022f557a5374c1 tests/data/fate/vsynth_lena-mpeg4-adv.out.rawvideo -stddev: 4.94 PSNR: 34.25 MAXDIFF: 69 bytes: 7603200/ 7603200

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth_lena.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 30412 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288, 30412 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -q:a or -q:v, -qscale is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth_lena-mpeg4-adv.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 352x288, q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 frame= 50 fps= 13 q=9.0 Lsize= 138kB time=00:00:02.00 bitrate= 566.2kbits/s speed=0.538x video:132kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 5.105337% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, avi, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth_lena-mpeg4-adv.avi': Duration: 00:00:02.00, start: 0.000000, bitrate: 566 kb/s Stream #0:0: Video: mpeg4 (Simple Profile) (FMP4 / 0x34504D46), yuv420p, 352x288 [SAR 1:1 DAR 11:9], 549 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 decode_slice src/libavcodec/h263dec.c:198 (ffmpeg+0x00000081d7e2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 decode_slice src/libavcodec/h263dec.c:219 (ffmpeg+0x00000081df2e) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:2816 in ff_set_qscale ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_partitioned_mb src/libavcodec/mpeg4videodec.c:1302 (ffmpeg+0x0000009ff875) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4videodec.c:1302 in mpeg4_decode_partitioned_mb ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800003a60 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003a60 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2813 (ffmpeg+0x000000a4f136) #1 decode_slice src/libavcodec/h263dec.c:219 (ffmpeg+0x00000081df2e) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1371): #0 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:829 (ffmpeg+0x000000a0307d) #1 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a0307d) #2 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:831 (ffmpeg+0x000000a030ba) #1 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030ba) #2 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_partitioned_mb src/libavcodec/mpeg4videodec.c:1301 (ffmpeg+0x0000009ff843) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800004f68 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004f68 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:193 (ffmpeg+0x00000081d702) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800004f88 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004f88 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_partitioned_mb src/libavcodec/mpeg4videodec.c:1321 (ffmpeg+0x000000a0002d) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005120 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005124 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:830 (ffmpeg+0x000000a03091) #1 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a03091) #2 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1371): #0 get_bits1 src/libavcodec/get_bits.h:328 (ffmpeg+0x000000a0359b) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:842 (ffmpeg+0x000000a0359b) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a0359b) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005358 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005358 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1013 (ffmpeg+0x00000012c545) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005360 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005360 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1037 (ffmpeg+0x00000012c712) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005368 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005368 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1038 (ffmpeg+0x00000012c71f) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005390 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005390 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1039 (ffmpeg+0x00000012c72c) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005398 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005398 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1040 (ffmpeg+0x00000012c740) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b98000053a0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053a0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1041 (ffmpeg+0x00000012c754) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b98000053c0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053c0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1029 (ffmpeg+0x00000012c61a) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b98000053c8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053c8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1029 (ffmpeg+0x00000012c62e) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b98000053e0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053e0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1030 (ffmpeg+0x00000012c645) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b98000053e8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053e8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1031 (ffmpeg+0x00000012c65f) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b98000053f0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053f0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1032 (ffmpeg+0x00000012c679) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b98000053f8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053f8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1032 (ffmpeg+0x00000012c693) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005420 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005420 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1042 (ffmpeg+0x00000012c76b) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005428 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005428 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1042 (ffmpeg+0x00000012c785) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005450 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005450 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1044 (ffmpeg+0x00000012c7d3) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005458 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005458 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1044 (ffmpeg+0x00000012c7ed) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005480 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005480 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1043 (ffmpeg+0x00000012c79f) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005488 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005488 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1043 (ffmpeg+0x00000012c7b9) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b98000054b0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054b0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1045 (ffmpeg+0x00000012c807) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b98000054b8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054b8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1046 (ffmpeg+0x00000012c821) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b98000054d0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054d0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1047 (ffmpeg+0x00000012c83b) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b98000054d8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054d8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1048 (ffmpeg+0x00000012c855) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b98000054e0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054e0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1049 (ffmpeg+0x00000012c86f) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b98000054e8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054e8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1050 (ffmpeg+0x00000012c889) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005500 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005500 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1051 (ffmpeg+0x00000012c8a3) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005508 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005508 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1052 (ffmpeg+0x00000012c8bd) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Write of size 8 at 0x7b9800005150 by thread T1 (mutexes: write M1371): #0 mpeg4_is_resync src/libavcodec/mpeg4videodec.c:159 (ffmpeg+0x000000a018a6) #1 mpeg4_decode_partitioned_mb src/libavcodec/mpeg4videodec.c:1322 (ffmpeg+0x000000a018a6) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005150 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4videodec.c:159 in mpeg4_is_resync ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000050c8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/h263dec.c:271 in decode_slice ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Write of size 4 at 0x7b98000046ec by thread T1 (mutexes: write M1371): #0 ff_mpeg4_clean_buffers src/libavcodec/mpeg4video.c:64 (ffmpeg+0x0000009f3f52) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:652 (ffmpeg+0x00000081f85c) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000046e8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4video.c:64 in ff_mpeg4_clean_buffers ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Write of size 4 at 0x7b98000046dc by thread T1 (mutexes: write M1371): #0 ff_mpeg4_clean_buffers src/libavcodec/mpeg4video.c:62 (ffmpeg+0x0000009f3f7e) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:652 (ffmpeg+0x00000081f85c) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b98000046d8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4video.c:62 in ff_mpeg4_clean_buffers ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Write of size 4 at 0x7b9800004f60 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:195 (ffmpeg+0x00000081d782) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800004f60 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/h263dec.c:195 in decode_slice ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005510 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005510 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1053 (ffmpeg+0x00000012c8d7) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005518 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005518 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1054 (ffmpeg+0x00000012c8f1) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005540 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005540 by thread T1 (mutexes: write M1371): #0 ff_dsputil_init_dwt src/libavcodec/snow_dwt.c:844 (ffmpeg+0x00000014cc6c) #1 ff_me_cmp_init src/libavcodec/me_cmp.c:1056 (ffmpeg+0x00000012c907) #2 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #3 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005548 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005548 by thread T1 (mutexes: write M1371): #0 ff_dsputil_init_dwt src/libavcodec/snow_dwt.c:845 (ffmpeg+0x00000014cc86) #1 ff_me_cmp_init src/libavcodec/me_cmp.c:1056 (ffmpeg+0x00000012c907) #2 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #3 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005570 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005570 by thread T1 (mutexes: write M1371): #0 ff_dsputil_init_dwt src/libavcodec/snow_dwt.c:846 (ffmpeg+0x00000014cca0) #1 ff_me_cmp_init src/libavcodec/me_cmp.c:1056 (ffmpeg+0x00000012c907) #2 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #3 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005578 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005578 by thread T1 (mutexes: write M1371): #0 ff_dsputil_init_dwt src/libavcodec/snow_dwt.c:847 (ffmpeg+0x00000014ccba) #1 ff_me_cmp_init src/libavcodec/me_cmp.c:1056 (ffmpeg+0x00000012c907) #2 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #3 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b98000055a0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000055a0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1033 (ffmpeg+0x00000012c6ad) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b98000055a8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000055a8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1033 (ffmpeg+0x00000012c6c7) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b98000055d0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000055d0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1035 (ffmpeg+0x00000012c6e1) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b98000055d8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000055d8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1035 (ffmpeg+0x00000012c6fb) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005720 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005720 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1016 (ffmpeg+0x00000012c55b) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005728 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005728 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1017 (ffmpeg+0x00000012c56e) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005730 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005730 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1018 (ffmpeg+0x00000012c588) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005738 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005738 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1019 (ffmpeg+0x00000012c5a2) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005740 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005740 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1020 (ffmpeg+0x00000012c5bc) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005748 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005748 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1021 (ffmpeg+0x00000012c5cf) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005750 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005750 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1022 (ffmpeg+0x00000012c5e9) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005758 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005758 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1023 (ffmpeg+0x00000012c603) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005760 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005760 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1070 (ffmpeg+0x00000012c91e) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005768 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005768 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1071 (ffmpeg+0x00000012c938) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005790 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005790 by thread T1 (mutexes: write M1371): #0 ff_er_frame_start src/libavcodec/error_resilience.c:805 (ffmpeg+0x0000010a8e5b) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b98000057c0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous atomic write of size 4 at 0x7b98000057c0 by thread T1 (mutexes: write M1371): #0 __tsan_atomic32_fetch_add /build/gcc/src/gcc/libsanitizer/tsan/tsan_interface_atomic.cc:606 (libtsan.so.0+0x0000000649d0) #1 atomic_int_add_and_fetch_gcc src/libavutil/atomic_gcc.h:45 (ffmpeg+0x0000010a93ad) #2 ff_er_add_slice src/libavcodec/error_resilience.c:866 (ffmpeg+0x0000010a93ad) #3 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:959 (ffmpeg+0x000000a03062) #4 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #5 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005840 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005840 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:34 (ffmpeg+0x000000a17cef) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17cef) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005848 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005848 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:35 (ffmpeg+0x000000a17d02) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d02) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005850 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005850 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:38 (ffmpeg+0x000000a17d26) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d26) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005858 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005858 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:38 (ffmpeg+0x000000a17d6c) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d6c) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005860 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005860 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:39 (ffmpeg+0x000000a17d4c) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d4c) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005868 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005868 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:39 (ffmpeg+0x000000a17d92) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d92) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005870 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005870 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:42 (ffmpeg+0x000000a17db2) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17db2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005878 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005878 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:43 (ffmpeg+0x000000a17dd7) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17dd7) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005880 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005880 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:29 (ffmpeg+0x000000a18147) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:52 (ffmpeg+0x000000a18147) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005888 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005888 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:30 (ffmpeg+0x000000a1815e) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:52 (ffmpeg+0x000000a1815e) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b98000058c0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058c0 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:34 (ffmpeg+0x000000a17e31) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17e31) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b98000058c8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058c8 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:35 (ffmpeg+0x000000a17e44) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17e44) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b98000058d0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058d0 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:38 (ffmpeg+0x000000a17e68) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17e68) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b98000058d8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058d8 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:38 (ffmpeg+0x000000a17eae) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17eae) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b98000058e0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058e0 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:39 (ffmpeg+0x000000a17e8e) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17e8e) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b98000058e8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058e8 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:39 (ffmpeg+0x000000a17ed4) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17ed4) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b98000058f0 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058f0 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:42 (ffmpeg+0x000000a17ef4) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17ef4) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b98000058f8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000058f8 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:43 (ffmpeg+0x000000a17f19) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17f19) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005920 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005924 by thread T1 (mutexes: write M1371): #0 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:56 (ffmpeg+0x000000a180cb) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 8 at 0x7b9800005928 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005928 by thread T1 (mutexes: write M1371): #0 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:57 (ffmpeg+0x000000a180ef) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22414, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth_lena-mpeg4-adv.out.rawvideo': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288 [SAR 1:1 DAR 11:9], q=2-31, 30412 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo ================== WARNING: ThreadSanitizer: data race (pid=22407) Read of size 4 at 0x7b98000080cc by main thread (mutexes: write M1371): #0 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:568 (ffmpeg+0x000000a43ab3) #1 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #2 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #3 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #4 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #5 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #6 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #7 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #8 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #9 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #10 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #11 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #12 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #13 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #14 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #15 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000080cc by thread T2 (mutexes: write M1373): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800006000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 ff_frame_thread_init src/libavcodec/pthread_frame.c:821 (ffmpeg+0x000000b05586) #3 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #6 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #7 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #8 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=22415, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:568 in ff_mpeg_update_thread_context ================== frame= 50 fps= 46 q=-0.0 Lsize= 7425kB time=00:00:02.00 bitrate=30412.8kbits/s speed=1.82x video:7425kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 92 warnings
diff	stderr	vsynth_lena-mpeg4-error	66	N-121750-g35464ad9eb

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth_lena-mpeg4-error 2017-03-24 21:02:53.653046513 +0000 +++ tests/data/fate/vsynth_lena-mpeg4-error 2017-09-06 04:01:52.650716455 +0000 @@ -1,4 +1,2 @@ 0126f46feb09b49144136be09ce6d26b tests/data/fate/vsynth_lena-mpeg4-error.avi 180368 tests/data/fate/vsynth_lena-mpeg4-error.avi -4537ba5320f1ae0971cc6e329c366776 tests/data/fate/vsynth_lena-mpeg4-error.out.rawvideo -stddev: 7.65 PSNR: 30.45 MAXDIFF: 158 bytes: 7603200/ 7603200

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth_lena.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 30412 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288, 30412 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -q:a or -q:v, -qscale is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth_lena-mpeg4-error.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 352x288, q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 frame= 50 fps= 13 q=7.0 Lsize= 176kB time=00:00:02.00 bitrate= 721.5kbits/s speed=0.535x video:169kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 3.966891% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, avi, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth_lena-mpeg4-error.avi': Duration: 00:00:02.00, start: 0.000000, bitrate: 721 kb/s Stream #0:0: Video: mpeg4 (Simple Profile) (FMP4 / 0x34504D46), yuv420p, 352x288 [SAR 1:1 DAR 11:9], 708 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 decode_slice src/libavcodec/h263dec.c:198 (ffmpeg+0x00000081d7e2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 decode_slice src/libavcodec/h263dec.c:219 (ffmpeg+0x00000081df2e) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:2816 in ff_set_qscale ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_partitioned_mb src/libavcodec/mpeg4videodec.c:1302 (ffmpeg+0x0000009ff875) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4videodec.c:1302 in mpeg4_decode_partitioned_mb ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Write of size 4 at 0x7b9800003a60 by thread T1 (mutexes: write M1371): #0 ff_mpeg4_decode_video_packet_header src/libavcodec/mpeg4videodec.c:474 (ffmpeg+0x000000a0202d) #1 ff_h263_resync src/libavcodec/ituh263dec.c:224 (ffmpeg+0x0000009373cc) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:645 (ffmpeg+0x00000081f8d2) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800003a60 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4videodec.c:474 in ff_mpeg4_decode_video_packet_header ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800003a60 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003a60 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2813 (ffmpeg+0x000000a4f136) #1 decode_slice src/libavcodec/h263dec.c:219 (ffmpeg+0x00000081df2e) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b98000046d8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000046dc by thread T1 (mutexes: write M1371): #0 ff_mpeg4_clean_buffers src/libavcodec/mpeg4video.c:62 (ffmpeg+0x0000009f3f7e) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:652 (ffmpeg+0x00000081f85c) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b98000046e8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000046ec by thread T1 (mutexes: write M1371): #0 ff_mpeg4_clean_buffers src/libavcodec/mpeg4video.c:64 (ffmpeg+0x0000009f3f52) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:652 (ffmpeg+0x00000081f85c) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1371): #0 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:829 (ffmpeg+0x000000a0307d) #1 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a0307d) #2 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:831 (ffmpeg+0x000000a030ba) #1 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030ba) #2 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_partitioned_mb src/libavcodec/mpeg4videodec.c:1301 (ffmpeg+0x0000009ff843) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:832 (ffmpeg+0x000000a030c9) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a030c9) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800004f60 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004f60 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:195 (ffmpeg+0x00000081d782) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800004f68 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004f68 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:193 (ffmpeg+0x00000081d702) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800004f88 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004f88 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_partitioned_mb src/libavcodec/mpeg4videodec.c:1321 (ffmpeg+0x000000a0002d) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b98000050c8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005120 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005124 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:830 (ffmpeg+0x000000a03091) #1 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a03091) #2 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Write of size 4 at 0x7b9800005124 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:194 (ffmpeg+0x00000081d754) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800005120 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/h263dec.c:194 in decode_slice ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005150 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005150 by thread T1 (mutexes: write M1371): #0 mpeg4_is_resync src/libavcodec/mpeg4videodec.c:159 (ffmpeg+0x000000a018a6) #1 mpeg4_decode_partitioned_mb src/libavcodec/mpeg4videodec.c:1322 (ffmpeg+0x000000a018a6) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1371): #0 get_bits1 src/libavcodec/get_bits.h:328 (ffmpeg+0x000000a0359b) #1 mpeg4_decode_partition_b src/libavcodec/mpeg4videodec.c:842 (ffmpeg+0x000000a0359b) #2 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:962 (ffmpeg+0x000000a0359b) #3 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005358 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005358 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1013 (ffmpeg+0x00000012c545) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005360 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005360 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1037 (ffmpeg+0x00000012c712) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005368 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005368 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1038 (ffmpeg+0x00000012c71f) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005390 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005390 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1039 (ffmpeg+0x00000012c72c) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005398 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005398 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1040 (ffmpeg+0x00000012c740) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b98000053a0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053a0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1041 (ffmpeg+0x00000012c754) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b98000053c0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053c0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1029 (ffmpeg+0x00000012c61a) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b98000053c8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053c8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1029 (ffmpeg+0x00000012c62e) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b98000053e0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053e0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1030 (ffmpeg+0x00000012c645) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b98000053e8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053e8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1031 (ffmpeg+0x00000012c65f) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b98000053f0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053f0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1032 (ffmpeg+0x00000012c679) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b98000053f8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053f8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1032 (ffmpeg+0x00000012c693) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005420 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005420 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1042 (ffmpeg+0x00000012c76b) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005428 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005428 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1042 (ffmpeg+0x00000012c785) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005450 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005450 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1044 (ffmpeg+0x00000012c7d3) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005458 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005458 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1044 (ffmpeg+0x00000012c7ed) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005480 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005480 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1043 (ffmpeg+0x00000012c79f) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005488 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005488 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1043 (ffmpeg+0x00000012c7b9) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b98000054b0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054b0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1045 (ffmpeg+0x00000012c807) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b98000054b8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054b8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1046 (ffmpeg+0x00000012c821) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b98000054d0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054d0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1047 (ffmpeg+0x00000012c83b) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b98000054d8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054d8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1048 (ffmpeg+0x00000012c855) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b98000054e0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054e0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1049 (ffmpeg+0x00000012c86f) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b98000054e8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054e8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1050 (ffmpeg+0x00000012c889) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005500 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005500 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1051 (ffmpeg+0x00000012c8a3) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005508 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005508 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1052 (ffmpeg+0x00000012c8bd) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005510 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005510 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1053 (ffmpeg+0x00000012c8d7) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005518 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005518 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1054 (ffmpeg+0x00000012c8f1) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005540 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005540 by thread T1 (mutexes: write M1371): #0 ff_dsputil_init_dwt src/libavcodec/snow_dwt.c:844 (ffmpeg+0x00000014cc6c) #1 ff_me_cmp_init src/libavcodec/me_cmp.c:1056 (ffmpeg+0x00000012c907) #2 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #3 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005548 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005548 by thread T1 (mutexes: write M1371): #0 ff_dsputil_init_dwt src/libavcodec/snow_dwt.c:845 (ffmpeg+0x00000014cc86) #1 ff_me_cmp_init src/libavcodec/me_cmp.c:1056 (ffmpeg+0x00000012c907) #2 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #3 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005570 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005570 by thread T1 (mutexes: write M1371): #0 ff_dsputil_init_dwt src/libavcodec/snow_dwt.c:846 (ffmpeg+0x00000014cca0) #1 ff_me_cmp_init src/libavcodec/me_cmp.c:1056 (ffmpeg+0x00000012c907) #2 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #3 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005578 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005578 by thread T1 (mutexes: write M1371): #0 ff_dsputil_init_dwt src/libavcodec/snow_dwt.c:847 (ffmpeg+0x00000014ccba) #1 ff_me_cmp_init src/libavcodec/me_cmp.c:1056 (ffmpeg+0x00000012c907) #2 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #3 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b98000055a0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000055a0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1033 (ffmpeg+0x00000012c6ad) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b98000055a8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000055a8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1033 (ffmpeg+0x00000012c6c7) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b98000055d0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000055d0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1035 (ffmpeg+0x00000012c6e1) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b98000055d8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000055d8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1035 (ffmpeg+0x00000012c6fb) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005720 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005720 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1016 (ffmpeg+0x00000012c55b) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005728 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005728 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1017 (ffmpeg+0x00000012c56e) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005730 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005730 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1018 (ffmpeg+0x00000012c588) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005738 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005738 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1019 (ffmpeg+0x00000012c5a2) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005740 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005740 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1020 (ffmpeg+0x00000012c5bc) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005748 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005748 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1021 (ffmpeg+0x00000012c5cf) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005750 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005750 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1022 (ffmpeg+0x00000012c5e9) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005758 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005758 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1023 (ffmpeg+0x00000012c603) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005760 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005760 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1070 (ffmpeg+0x00000012c91e) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005768 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005768 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1071 (ffmpeg+0x00000012c938) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005790 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005790 by thread T1 (mutexes: write M1371): #0 ff_er_frame_start src/libavcodec/error_resilience.c:805 (ffmpeg+0x0000010a8e5b) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b98000057c0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous atomic write of size 4 at 0x7b98000057c0 by thread T1 (mutexes: write M1371): #0 __tsan_atomic32_fetch_add /build/gcc/src/gcc/libsanitizer/tsan/tsan_interface_atomic.cc:606 (libtsan.so.0+0x0000000649d0) #1 atomic_int_add_and_fetch_gcc src/libavutil/atomic_gcc.h:45 (ffmpeg+0x0000010a93ad) #2 ff_er_add_slice src/libavcodec/error_resilience.c:866 (ffmpeg+0x0000010a93ad) #3 ff_mpeg4_decode_partitions src/libavcodec/mpeg4videodec.c:959 (ffmpeg+0x000000a03062) #4 decode_slice src/libavcodec/h263dec.c:212 (ffmpeg+0x00000081e369) #5 ff_h263_decode_frame src/libavcodec/h263dec.c:654 (ffmpeg+0x00000081f864) #6 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005840 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005840 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:34 (ffmpeg+0x000000a17cef) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17cef) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005848 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005848 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:35 (ffmpeg+0x000000a17d02) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d02) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005850 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005850 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:38 (ffmpeg+0x000000a17d26) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d26) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005858 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005858 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:38 (ffmpeg+0x000000a17d6c) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d6c) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005860 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005860 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:39 (ffmpeg+0x000000a17d4c) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d4c) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005868 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005868 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:39 (ffmpeg+0x000000a17d92) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d92) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005870 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005870 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:42 (ffmpeg+0x000000a17db2) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17db2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005878 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005878 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:43 (ffmpeg+0x000000a17dd7) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17dd7) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005880 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005880 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:29 (ffmpeg+0x000000a18147) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:52 (ffmpeg+0x000000a18147) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005888 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005888 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:30 (ffmpeg+0x000000a1815e) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:52 (ffmpeg+0x000000a1815e) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b98000058c0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058c0 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:34 (ffmpeg+0x000000a17e31) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17e31) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b98000058c8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058c8 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:35 (ffmpeg+0x000000a17e44) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17e44) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b98000058d0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058d0 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:38 (ffmpeg+0x000000a17e68) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17e68) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b98000058d8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058d8 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:38 (ffmpeg+0x000000a17eae) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17eae) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b98000058e0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058e0 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:39 (ffmpeg+0x000000a17e8e) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17e8e) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b98000058e8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058e8 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:39 (ffmpeg+0x000000a17ed4) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17ed4) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b98000058f0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058f0 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:42 (ffmpeg+0x000000a17ef4) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17ef4) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b98000058f8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000058f8 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:43 (ffmpeg+0x000000a17f19) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17f19) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005920 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005924 by thread T1 (mutexes: write M1371): #0 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:56 (ffmpeg+0x000000a180cb) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 8 at 0x7b9800005928 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005928 by thread T1 (mutexes: write M1371): #0 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:57 (ffmpeg+0x000000a180ef) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22619, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== [mpeg4 @ 0x7b6400002300] concealing 55 DC, 55 AC, 55 MV errors in I frame Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth_lena-mpeg4-error.out.rawvideo': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288 [SAR 1:1 DAR 11:9], q=2-31, 30412 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo [mpeg4 @ 0x7b6400002800] concealing 174 DC, 174 AC, 174 MV errors in P frame ================== WARNING: ThreadSanitizer: data race (pid=22617) Read of size 4 at 0x7b98000080cc by main thread (mutexes: write M1371): #0 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:568 (ffmpeg+0x000000a43ab3) #1 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #2 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #3 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #4 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #5 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #6 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #7 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #8 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #9 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #10 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #11 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #12 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #13 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #14 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #15 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000080cc by thread T2: [failed to restore the stack] Location is heap block of size 10856 at 0x7b9800006000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 ff_frame_thread_init src/libavcodec/pthread_frame.c:821 (ffmpeg+0x000000b05586) #3 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #6 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #7 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #8 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=22620, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:568 in ff_mpeg_update_thread_context ================== [mpeg4 @ 0x7b6400002300] concealing 55 DC, 55 AC, 55 MV errors in I frame [mpeg4 @ 0x7b6400002800] concealing 190 DC, 190 AC, 190 MV errors in P frame [mpeg4 @ 0x7b6400002300] concealing 102 DC, 102 AC, 102 MV errors in I frame [mpeg4 @ 0x7b6400002300] concealing 185 DC, 185 AC, 185 MV errors in P frame [mpeg4 @ 0x7b6400002300] concealing 52 DC, 52 AC, 52 MV errors in I frame frame= 50 fps=0.0 q=-0.0 Lsize= 7425kB time=00:00:02.00 bitrate=30412.8kbits/s speed=2.15x video:7425kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 94 warnings
diff	stderr	vsynth_lena-mpeg4-nr	66	N-121794-g00ef656a85

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth_lena-mpeg4-nr 2017-03-24 21:02:53.653046513 +0000 +++ tests/data/fate/vsynth_lena-mpeg4-nr 2017-09-06 04:01:53.890716373 +0000 @@ -1,4 +1,2 @@ c1cf10bd999899bce94be0efd15c3605 tests/data/fate/vsynth_lena-mpeg4-nr.avi 154998 tests/data/fate/vsynth_lena-mpeg4-nr.avi -d89cd5d0b1707f48fa9c4747c66d2d56 tests/data/fate/vsynth_lena-mpeg4-nr.out.rawvideo -stddev: 4.73 PSNR: 34.63 MAXDIFF: 64 bytes: 7603200/ 7603200

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth_lena.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 30412 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288, 30412 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -q:a or -q:v, -qscale is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth_lena-mpeg4-nr.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 352x288, q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 frame= 50 fps= 11 q=8.0 Lsize= 151kB time=00:00:02.00 bitrate= 620.0kbits/s speed=0.438x video:145kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 4.644945% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, avi, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth_lena-mpeg4-nr.avi': Duration: 00:00:02.00, start: 0.000000, bitrate: 619 kb/s Stream #0:0: Video: mpeg4 (Simple Profile) (FMP4 / 0x34504D46), yuv420p, 352x288 [SAR 1:1 DAR 11:9], 604 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=22626) Read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 decode_slice src/libavcodec/h263dec.c:198 (ffmpeg+0x00000081d7e2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22635, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22626) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22635, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22626) Read of size 8 at 0x7b9800003018 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003018 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_block src/libavcodec/mpeg4videodec.c:1243 (ffmpeg+0x0000009fc0b0) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1674 (ffmpeg+0x0000009fc0b0) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22635, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22626) Read of size 8 at 0x7b9800003a60 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003a60 by thread T1: [failed to restore the stack] Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22635, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22626) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22635, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22626) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:273 (ffmpeg+0x00000081e23c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22635, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22626) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:277 (ffmpeg+0x00000081e2b8) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22635, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22626) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1646 (ffmpeg+0x0000009fb1f8) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22635, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22626) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22635, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22626) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22635, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22626) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22635, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22626) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22635, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22626) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22635, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22626) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22635, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22626) Read of size 8 at 0x7b98000050c8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22635, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22626) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1371): #0 get_vlc2 src/libavcodec/get_bits.h:564 (ffmpeg+0x0000009fac40) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1637 (ffmpeg+0x0000009fac40) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22635, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth_lena-mpeg4-nr.out.rawvideo': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288 [SAR 1:1 DAR 11:9], q=2-31, 30412 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo frame= 50 fps=0.0 q=-0.0 Lsize= 7425kB time=00:00:02.00 bitrate=30412.8kbits/s speed=3.65x video:7425kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 16 warnings
diff	stderr	vsynth_lena-mpeg4-nsse	66	N-121794-g00ef656a85

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth_lena-mpeg4-nsse 2017-03-24 21:02:53.653046513 +0000 +++ tests/data/fate/vsynth_lena-mpeg4-nsse 2017-09-06 04:01:51.554049860 +0000 @@ -1,4 +1,2 @@ f09593231b2137ae2064845c315b6a0b tests/data/fate/vsynth_lena-mpeg4-nsse.avi 198438 tests/data/fate/vsynth_lena-mpeg4-nsse.avi -59864a1050e641eaed8b0ee077bc780b tests/data/fate/vsynth_lena-mpeg4-nsse.out.rawvideo -stddev: 4.32 PSNR: 35.40 MAXDIFF: 60 bytes: 7603200/ 7603200

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth_lena.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 30412 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288, 30412 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -q:a or -q:v, -qscale is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth_lena-mpeg4-nsse.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 352x288, q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 frame= 50 fps= 35 q=7.0 Lsize= 194kB time=00:00:02.00 bitrate= 793.8kbits/s speed=1.39x video:187kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 3.591061% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, avi, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth_lena-mpeg4-nsse.avi': Duration: 00:00:02.00, start: 0.000000, bitrate: 793 kb/s Stream #0:0: Video: mpeg4 (Simple Profile) (FMP4 / 0x34504D46), yuv420p, 352x288 [SAR 1:1 DAR 11:9], 781 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=22555) Read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b980000300c by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2817 (ffmpeg+0x000000a4f1c9) #1 decode_slice src/libavcodec/h263dec.c:198 (ffmpeg+0x00000081d7e2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22562, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22555) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22562, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22555) Read of size 8 at 0x7b9800003018 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003018 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_block src/libavcodec/mpeg4videodec.c:1243 (ffmpeg+0x0000009fc0b0) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1674 (ffmpeg+0x0000009fc0b0) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22562, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22555) Read of size 8 at 0x7b9800003a60 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003a64 by thread T1: [failed to restore the stack] Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22562, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22555) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22562, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22555) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:273 (ffmpeg+0x00000081e23c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22562, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22555) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:277 (ffmpeg+0x00000081e2b8) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22562, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22555) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1646 (ffmpeg+0x0000009fb1f8) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22562, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22555) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22562, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22555) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22562, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22555) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22562, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22555) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22562, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22555) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22562, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22555) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22562, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22555) Read of size 8 at 0x7b98000050c8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22562, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22555) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1371): #0 get_vlc2 src/libavcodec/get_bits.h:564 (ffmpeg+0x0000009fac40) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1637 (ffmpeg+0x0000009fac40) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22562, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth_lena-mpeg4-nsse.out.rawvideo': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288 [SAR 1:1 DAR 11:9], q=2-31, 30412 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo frame= 50 fps=0.0 q=-0.0 Lsize= 7425kB time=00:00:02.00 bitrate=30412.8kbits/s speed=3.34x video:7425kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 16 warnings
diff	stderr	vsynth_lena-mpeg4-qpel	66	N-121762-gad956ff076

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth_lena-mpeg4-qpel 2017-03-24 21:02:53.653046513 +0000 +++ tests/data/fate/vsynth_lena-mpeg4-qpel 2017-09-06 04:01:48.047383424 +0000 @@ -1,4 +1,2 @@ 04d020deb9956fb2b5970a16986d688c tests/data/fate/vsynth_lena-mpeg4-qpel.avi 163666 tests/data/fate/vsynth_lena-mpeg4-qpel.avi -e2ce994dbb66da51c2e1ad26617d7c2f tests/data/fate/vsynth_lena-mpeg4-qpel.out.rawvideo -stddev: 3.97 PSNR: 36.14 MAXDIFF: 54 bytes: 7603200/ 7603200

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth_lena.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 30412 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288, 30412 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -q:a or -q:v, -qscale is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth_lena-mpeg4-qpel.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 352x288, q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1 frame= 50 fps=7.0 q=7.0 Lsize= 160kB time=00:00:01.96 bitrate= 668.0kbits/s speed=0.273x video:153kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 4.386149% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, avi, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth_lena-mpeg4-qpel.avi': Duration: 00:00:02.00, start: 0.000000, bitrate: 654 kb/s Stream #0:0: Video: mpeg4 (Advanced Simple Profile) (FMP4 / 0x34504D46), yuv420p, 352x288 [SAR 1:1 DAR 11:9], 639 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=22448) Read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 decode_slice src/libavcodec/h263dec.c:198 (ffmpeg+0x00000081d7e2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22450, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22448) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22450, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22448) Read of size 8 at 0x7b9800003018 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003018 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_block src/libavcodec/mpeg4videodec.c:1243 (ffmpeg+0x0000009fc0b0) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1674 (ffmpeg+0x0000009fc0b0) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22450, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22448) Read of size 8 at 0x7b9800003a60 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003a60 by thread T1: [failed to restore the stack] Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22450, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22448) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22450, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22448) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:273 (ffmpeg+0x00000081e23c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22450, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22448) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:277 (ffmpeg+0x00000081e2b8) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22450, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22448) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1646 (ffmpeg+0x0000009fb1f8) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22450, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22448) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22450, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22448) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22450, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22448) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22450, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22448) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22450, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22448) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22450, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22448) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22450, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22448) Read of size 8 at 0x7b98000050c8 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22450, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22448) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1371): #0 get_vlc2 src/libavcodec/get_bits.h:564 (ffmpeg+0x0000009fac40) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1637 (ffmpeg+0x0000009fac40) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22450, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth_lena-mpeg4-qpel.out.rawvideo': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288 [SAR 1:1 DAR 11:9], q=2-31, 30412 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo frame= 50 fps=0.0 q=-0.0 Lsize= 7425kB time=00:00:02.04 bitrate=29816.5kbits/s speed=3.54x video:7425kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 16 warnings
diff	stderr	vsynth_lena-mpeg4-qprd	66	N-121793-g1eb2cbd865

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth_lena-mpeg4-qprd 2017-03-24 21:02:53.653046513 +0000 +++ tests/data/fate/vsynth_lena-mpeg4-qprd 2017-09-06 04:01:48.877383369 +0000 @@ -1,4 +1,2 @@ 5342abedb8fdc788e08c344d4122f2dc tests/data/fate/vsynth_lena-mpeg4-qprd.avi 231454 tests/data/fate/vsynth_lena-mpeg4-qprd.avi -3071250e0864546c2455c9f9c9b8604e tests/data/fate/vsynth_lena-mpeg4-qprd.out.rawvideo -stddev: 3.71 PSNR: 36.72 MAXDIFF: 61 bytes: 7603200/ 7603200

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth_lena.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 30412 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288, 30412 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -b:a or -b:v, -b is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth_lena-mpeg4-qprd.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 352x288, q=2-31, 450 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/450000 buffer size: 0 vbv_delay: -1 frame= 50 fps=6.0 q=8.2 Lsize= 226kB time=00:00:01.96 bitrate= 944.7kbits/s speed=0.234x video:219kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 3.062201% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, avi, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth_lena-mpeg4-qprd.avi': Duration: 00:00:02.00, start: 0.000000, bitrate: 925 kb/s Stream #0:0: Video: mpeg4 (Advanced Simple Profile) (FMP4 / 0x34504D46), yuv420p, 352x288 [SAR 1:1 DAR 11:9], 916 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 decode_slice src/libavcodec/h263dec.c:198 (ffmpeg+0x00000081d7e2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1666 (ffmpeg+0x0000009fd220) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:2816 in ff_set_qscale ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4videodec.c:1649 in mpeg4_decode_mb ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800003a60 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003a64 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2814 (ffmpeg+0x000000a4f16b) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1666 (ffmpeg+0x0000009fd220) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:305 (ffmpeg+0x00000081df6d) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:222 (ffmpeg+0x00000081df93) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1646 (ffmpeg+0x0000009fb1f8) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800004f68 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004f68 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:193 (ffmpeg+0x00000081d702) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005120 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005124 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:246 (ffmpeg+0x00000081de8f) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1371): #0 get_vlc2 src/libavcodec/get_bits.h:564 (ffmpeg+0x0000009fac40) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1637 (ffmpeg+0x0000009fac40) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005358 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005358 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1013 (ffmpeg+0x00000012c545) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005360 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005360 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1037 (ffmpeg+0x00000012c712) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005368 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005368 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1038 (ffmpeg+0x00000012c71f) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005390 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005390 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1039 (ffmpeg+0x00000012c72c) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005398 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005398 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1040 (ffmpeg+0x00000012c740) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b98000053a0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053a0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1041 (ffmpeg+0x00000012c754) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b98000053c0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053c0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1029 (ffmpeg+0x00000012c61a) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b98000053c8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053c8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1029 (ffmpeg+0x00000012c62e) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b98000053e0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053e0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1030 (ffmpeg+0x00000012c645) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b98000053e8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053e8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1031 (ffmpeg+0x00000012c65f) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b98000053f0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053f0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1032 (ffmpeg+0x00000012c679) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b98000053f8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000053f8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1032 (ffmpeg+0x00000012c693) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005420 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005420 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1042 (ffmpeg+0x00000012c76b) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005428 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005428 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1042 (ffmpeg+0x00000012c785) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005450 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005450 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1044 (ffmpeg+0x00000012c7d3) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005458 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005458 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1044 (ffmpeg+0x00000012c7ed) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005480 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005480 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1043 (ffmpeg+0x00000012c79f) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005488 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005488 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1043 (ffmpeg+0x00000012c7b9) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b98000054b0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054b0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1045 (ffmpeg+0x00000012c807) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b98000054b8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054b8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1046 (ffmpeg+0x00000012c821) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b98000054d0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054d0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1047 (ffmpeg+0x00000012c83b) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b98000054d8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054d8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1048 (ffmpeg+0x00000012c855) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b98000054e0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054e0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1049 (ffmpeg+0x00000012c86f) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b98000054e8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000054e8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1050 (ffmpeg+0x00000012c889) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005500 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005500 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1051 (ffmpeg+0x00000012c8a3) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005508 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005508 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1052 (ffmpeg+0x00000012c8bd) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005510 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005510 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1053 (ffmpeg+0x00000012c8d7) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005518 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005518 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1054 (ffmpeg+0x00000012c8f1) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005540 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005540 by thread T1 (mutexes: write M1371): #0 ff_dsputil_init_dwt src/libavcodec/snow_dwt.c:844 (ffmpeg+0x00000014cc6c) #1 ff_me_cmp_init src/libavcodec/me_cmp.c:1056 (ffmpeg+0x00000012c907) #2 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #3 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005548 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005548 by thread T1 (mutexes: write M1371): #0 ff_dsputil_init_dwt src/libavcodec/snow_dwt.c:845 (ffmpeg+0x00000014cc86) #1 ff_me_cmp_init src/libavcodec/me_cmp.c:1056 (ffmpeg+0x00000012c907) #2 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #3 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005570 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005570 by thread T1 (mutexes: write M1371): #0 ff_dsputil_init_dwt src/libavcodec/snow_dwt.c:846 (ffmpeg+0x00000014cca0) #1 ff_me_cmp_init src/libavcodec/me_cmp.c:1056 (ffmpeg+0x00000012c907) #2 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #3 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005578 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005578 by thread T1 (mutexes: write M1371): #0 ff_dsputil_init_dwt src/libavcodec/snow_dwt.c:847 (ffmpeg+0x00000014ccba) #1 ff_me_cmp_init src/libavcodec/me_cmp.c:1056 (ffmpeg+0x00000012c907) #2 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #3 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #4 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #5 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b98000055a0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000055a0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1033 (ffmpeg+0x00000012c6ad) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b98000055a8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000055a8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1033 (ffmpeg+0x00000012c6c7) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b98000055d0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000055d0 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1035 (ffmpeg+0x00000012c6e1) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b98000055d8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000055d8 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1035 (ffmpeg+0x00000012c6fb) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005720 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005720 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1016 (ffmpeg+0x00000012c55b) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005728 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005728 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1017 (ffmpeg+0x00000012c56e) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005730 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005730 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1018 (ffmpeg+0x00000012c588) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005738 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005738 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1019 (ffmpeg+0x00000012c5a2) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005740 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005740 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1020 (ffmpeg+0x00000012c5bc) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005748 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005748 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1021 (ffmpeg+0x00000012c5cf) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005750 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005750 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1022 (ffmpeg+0x00000012c5e9) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005758 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005758 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1023 (ffmpeg+0x00000012c603) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005760 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005760 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1070 (ffmpeg+0x00000012c91e) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005768 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005768 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1071 (ffmpeg+0x00000012c938) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005790 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005790 by thread T1 (mutexes: write M1371): #0 ff_er_frame_start src/libavcodec/error_resilience.c:805 (ffmpeg+0x0000010a8e5b) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b98000057c0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000057c0 by thread T1 (mutexes: write M1371): #0 ff_er_frame_start src/libavcodec/error_resilience.c:810 (ffmpeg+0x0000010a8e0d) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005840 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005840 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:34 (ffmpeg+0x000000a17cef) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17cef) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005848 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005848 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:35 (ffmpeg+0x000000a17d02) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d02) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005850 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005850 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:38 (ffmpeg+0x000000a17d26) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d26) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005858 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005858 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:38 (ffmpeg+0x000000a17d6c) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d6c) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005860 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005860 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:39 (ffmpeg+0x000000a17d4c) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d4c) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005868 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005868 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:39 (ffmpeg+0x000000a17d92) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17d92) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005870 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005870 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:42 (ffmpeg+0x000000a17db2) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17db2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005878 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005878 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:43 (ffmpeg+0x000000a17dd7) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:50 (ffmpeg+0x000000a17dd7) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005880 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005880 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:29 (ffmpeg+0x000000a18147) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:52 (ffmpeg+0x000000a18147) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005888 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005888 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:30 (ffmpeg+0x000000a1815e) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:52 (ffmpeg+0x000000a1815e) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b98000058c0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058c0 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:34 (ffmpeg+0x000000a17e31) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17e31) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b98000058c8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058c8 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:35 (ffmpeg+0x000000a17e44) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17e44) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b98000058d0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058d0 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:38 (ffmpeg+0x000000a17e68) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17e68) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b98000058d8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058d8 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:38 (ffmpeg+0x000000a17eae) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17eae) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b98000058e0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058e0 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:39 (ffmpeg+0x000000a17e8e) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17e8e) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b98000058e8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058e8 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:39 (ffmpeg+0x000000a17ed4) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17ed4) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b98000058f0 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b98000058f0 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:42 (ffmpeg+0x000000a17ef4) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17ef4) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b98000058f8 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000058f8 by thread T1 (mutexes: write M1371): #0 set_erpic src/libavcodec/mpeg_er.c:43 (ffmpeg+0x000000a17f19) #1 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:51 (ffmpeg+0x000000a17f19) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005920 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005924 by thread T1 (mutexes: write M1371): #0 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:56 (ffmpeg+0x000000a180cb) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22473) Read of size 8 at 0x7b9800005928 by main thread (mutexes: write M1374): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005928 by thread T1 (mutexes: write M1371): #0 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:57 (ffmpeg+0x000000a180ef) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22491, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth_lena-mpeg4-qprd.out.rawvideo': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288 [SAR 1:1 DAR 11:9], q=2-31, 30412 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo ================== WARNING: ThreadSanitizer: data race (pid=22473) Write of size 4 at 0x7b98000080cc by thread T2 (mutexes: write M1374): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 4 at 0x7b98000080cc by main thread (mutexes: write M1371): #0 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:568 (ffmpeg+0x000000a43ab3) #1 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #2 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #3 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #4 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #5 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #6 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #7 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #8 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #9 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #10 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #11 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #12 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #13 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #14 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #15 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800006000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 ff_frame_thread_init src/libavcodec/pthread_frame.c:821 (ffmpeg+0x000000b05586) #3 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #6 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #7 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #8 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1374 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T2 (tid=22493, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/h263dec.c:271 in decode_slice ================== frame= 50 fps=0.0 q=-0.0 Lsize= 7425kB time=00:00:02.04 bitrate=29816.5kbits/s speed=2.44x video:7425kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 87 warnings
diff	stderr	vsynth_lena-mpeg4-rc	66	N-121761-g643e2e10f9

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth_lena-mpeg4-rc 2017-03-24 21:02:53.653046513 +0000 +++ tests/data/fate/vsynth_lena-mpeg4-rc 2017-09-06 04:01:39.580717307 +0000 @@ -1,4 +1,2 @@ 396a76466dee56e2714dfa42cebe3d2d tests/data/fate/vsynth_lena-mpeg4-rc.avi 226314 tests/data/fate/vsynth_lena-mpeg4-rc.avi -6e8b62e8c3bcbfdcc58afb69a0b1c4e3 tests/data/fate/vsynth_lena-mpeg4-rc.out.rawvideo -stddev: 4.23 PSNR: 35.60 MAXDIFF: 85 bytes: 7603200/ 7603200

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth_lena.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 30412 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288, 30412 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -b:a or -b:v, -b is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth_lena-mpeg4-rc.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 352x288, q=2-31, 400 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/400000 buffer size: 0 vbv_delay: -1 frame= 50 fps= 33 q=9.9 Lsize= 221kB time=00:00:01.96 bitrate= 923.7kbits/s speed=1.29x video:214kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 3.133459% ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, avi, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth_lena-mpeg4-rc.avi': Duration: 00:00:02.00, start: 0.000000, bitrate: 905 kb/s Stream #0:0: Video: mpeg4 (Advanced Simple Profile) (FMP4 / 0x34504D46), yuv420p, 352x288 [SAR 1:1 DAR 11:9], 895 kb/s, 25 fps, 25 tbr, 25 tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=22342) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22349, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22342) Write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22349, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4videodec.c:1649 in mpeg4_decode_mb ================== ================== WARNING: ThreadSanitizer: data race (pid=22342) Read of size 8 at 0x7b9800003018 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003018 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_block src/libavcodec/mpeg4videodec.c:1243 (ffmpeg+0x0000009fc0b0) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1674 (ffmpeg+0x0000009fc0b0) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22349, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22342) Read of size 8 at 0x7b9800003a60 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003a60 by thread T1 (mutexes: write M1371): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2813 (ffmpeg+0x000000a4f136) #1 decode_slice src/libavcodec/h263dec.c:198 (ffmpeg+0x00000081d7e2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22349, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22342) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22349, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22342) Write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22349, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/h263dec.c:250 in decode_slice ================== ================== WARNING: ThreadSanitizer: data race (pid=22342) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:305 (ffmpeg+0x00000081df6d) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22349, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22342) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:222 (ffmpeg+0x00000081df93) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22349, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22342) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1371): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1646 (ffmpeg+0x0000009fb1f8) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22349, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22342) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22349, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22342) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22349, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22342) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22349, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22342) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22349, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22342) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22349, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22342) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1371): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22349, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22342) Read of size 8 at 0x7b9800004f60 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004f64 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:196 (ffmpeg+0x00000081d7b8) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22349, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22342) Read of size 8 at 0x7b9800004f68 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004f68 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:193 (ffmpeg+0x00000081d702) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22349, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22342) Read of size 8 at 0x7b9800005120 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005124 by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:246 (ffmpeg+0x00000081de8f) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22349, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22342) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1371): #0 get_vlc2 src/libavcodec/get_bits.h:564 (ffmpeg+0x0000009fac40) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1637 (ffmpeg+0x0000009fac40) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22349, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22342) Read of size 8 at 0x7b9800005358 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005358 by thread T1 (mutexes: write M1371): #0 ff_me_cmp_init src/libavcodec/me_cmp.c:1013 (ffmpeg+0x00000012c545) #1 ff_er_frame_start src/libavcodec/error_resilience.c:804 (ffmpeg+0x0000010a8e53) #2 ff_mpeg_er_frame_start src/libavcodec/mpeg_er.c:59 (ffmpeg+0x000000a180fd) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:620 (ffmpeg+0x00000081f74a) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22349, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=22342) Read of size 8 at 0x7b9800005360 by main thread (mutexes: write M1373): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800005360 by thread T1: [failed to restore the stack] Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22349, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, rawvideo, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth_lena-mpeg4-rc.out.rawvideo': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288 [SAR 1:1 DAR 11:9], q=2-31, 30412 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo ================== WARNING: ThreadSanitizer: data race (pid=22342) Write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1371): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Previous read of size 4 at 0x7b98000050cc by main thread (mutexes: write M1373): #0 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:568 (ffmpeg+0x000000a43ab3) #1 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #2 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #3 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #4 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #5 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #6 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #7 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #8 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #9 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #10 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #11 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #12 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #13 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #14 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #15 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1371 (0x7b5c00001228) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1373 (0x7b5c000013d8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=22349, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/h263dec.c:271 in decode_slice ================== frame= 50 fps=0.0 q=-0.0 Lsize= 7425kB time=00:00:02.04 bitrate=29816.5kbits/s speed=2.73x video:7425kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.000000% ThreadSanitizer: reported 22 warnings
diff	stderr	vsynth_lena-mpeg4-thread	66	N-121750-g35464ad9eb

--- /home/fate/ffmpeg/tests/ref/vsynth/vsynth_lena-mpeg4-thread 2017-03-24 21:02:53.653046513 +0000 +++ tests/data/fate/vsynth_lena-mpeg4-thread 2017-09-06 04:01:44.627383647 +0000 @@ -1,4 +0,0 @@ -af5ea0bab124371051eb104552344b2e tests/data/fate/vsynth_lena-mpeg4-thread.avi -250096 tests/data/fate/vsynth_lena-mpeg4-thread.avi -045fe9f226bbcc3d41644bffaed03b31 tests/data/fate/vsynth_lena-mpeg4-thread.out.rawvideo -stddev: 3.69 PSNR: 36.78 MAXDIFF: 65 bytes: 7603200/ 7603200

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 [rawvideo @ 0x7b6800000000] Estimating duration from bitrate, this may be inaccurate Input #0, rawvideo, from '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/vsynth_lena.yuv': Duration: 00:00:02.00, start: 0.000000, bitrate: 30412 kb/s Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 352x288, 30412 kb/s, 25 tbr, 25 tbn, 25 tbc Please use -b:a or -b:v, -b is ambiguous Stream mapping: Stream #0:0 -> #0:0 (rawvideo (native) -> mpeg4 (native)) Output #0, avi, to '/home/fate/workdirs/x86_64-archlinux-gcc-tsan/build/tests/data/fate/vsynth_lena-mpeg4-thread.avi': Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 352x288, q=2-31, 500 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc mpeg4 Side data: cpb: bitrate max/min/avg: 0/0/500000 buffer size: 0 vbv_delay: -1 ================== WARNING: ThreadSanitizer: data race (pid=22434) Write of size 2 at 0x7b8400000656 by thread T2 (mutexes: write M1370): #0 ff_mpeg4_pred_dc src/libavcodec/mpeg4video.h:252 (ffmpeg+0x000000a0a920) #1 ff_mpeg4_encode_mb src/libavcodec/mpeg4videoenc.c:805 (ffmpeg+0x000000a0a920) #2 encode_mb_internal src/libavcodec/mpegvideo_enc.c:2636 (ffmpeg+0x000000a682d0) #3 encode_mb src/libavcodec/mpegvideo_enc.c:2674 (ffmpeg+0x000000a682d0) #4 encode_thread src/libavcodec/mpegvideo_enc.c:3592 (ffmpeg+0x000000a682d0) #5 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #6 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x000001433de8) #7 thread_worker src/libavutil/slicethread.c:85 (ffmpeg+0x000001433de8) Previous read of size 2 at 0x7b8400000656 by main thread: #0 ff_mpeg4_pred_dc src/libavcodec/mpeg4video.h:202 (ffmpeg+0x000000a0a834) #1 ff_mpeg4_encode_mb src/libavcodec/mpeg4videoenc.c:805 (ffmpeg+0x000000a0a834) #2 encode_mb_internal src/libavcodec/mpegvideo_enc.c:2636 (ffmpeg+0x000000a682d0) #3 encode_mb src/libavcodec/mpegvideo_enc.c:2674 (ffmpeg+0x000000a682d0) #4 encode_thread src/libavcodec/mpegvideo_enc.c:3592 (ffmpeg+0x000000a682d0) #5 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #6 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x0000014340ce) #7 avpriv_slicethread_execute src/libavutil/slicethread.c:192 (ffmpeg+0x0000014340ce) #8 thread_execute src/libavcodec/pthread_slice.c:102 (ffmpeg+0x000000b06757) #9 encode_picture src/libavcodec/mpegvideo_enc.c:4020 (ffmpeg+0x000000a5e63a) #10 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1964 (ffmpeg+0x000000a5e63a) #11 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #12 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #13 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #14 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #15 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #16 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #17 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #18 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Location is heap block of size 5078 at 0x7b8400000000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_frame src/libavcodec/mpegvideo.c:777 (ffmpeg+0x000000a3b1ff) #4 ff_mpv_common_init src/libavcodec/mpegvideo.c:943 (ffmpeg+0x000000136f3d) #5 ff_mpv_encode_init src/libavcodec/mpegvideo_enc.c:939 (ffmpeg+0x0000001391fd) #6 encode_init src/libavcodec/mpeg4videoenc.c:1282 (ffmpeg+0x000000132db4) #7 avcodec_open2 src/libavcodec/utils.c:1020 (ffmpeg+0x000000c6d697) #8 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #9 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #10 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #11 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #12 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Mutex M1370 (0x7b2000000388) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 avpriv_slicethread_create src/libavutil/slicethread.c:146 (ffmpeg+0x000001434422) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=22437, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4video.h:252 in ff_mpeg4_pred_dc ================== ================== WARNING: ThreadSanitizer: data race (pid=22434) Write of size 2 at 0x7b840000120c by thread T2 (mutexes: write M1370): #0 ff_mpeg4_pred_dc src/libavcodec/mpeg4video.h:252 (ffmpeg+0x000000a0a920) #1 ff_mpeg4_encode_mb src/libavcodec/mpeg4videoenc.c:805 (ffmpeg+0x000000a0a920) #2 encode_mb_internal src/libavcodec/mpegvideo_enc.c:2636 (ffmpeg+0x000000a682d0) #3 encode_mb src/libavcodec/mpegvideo_enc.c:2674 (ffmpeg+0x000000a682d0) #4 encode_thread src/libavcodec/mpegvideo_enc.c:3592 (ffmpeg+0x000000a682d0) #5 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #6 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x000001433de8) #7 thread_worker src/libavutil/slicethread.c:85 (ffmpeg+0x000001433de8) Previous read of size 2 at 0x7b840000120c by main thread: [failed to restore the stack] Location is heap block of size 5078 at 0x7b8400000000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_frame src/libavcodec/mpegvideo.c:777 (ffmpeg+0x000000a3b1ff) #4 ff_mpv_common_init src/libavcodec/mpegvideo.c:943 (ffmpeg+0x000000136f3d) #5 ff_mpv_encode_init src/libavcodec/mpegvideo_enc.c:939 (ffmpeg+0x0000001391fd) #6 encode_init src/libavcodec/mpeg4videoenc.c:1282 (ffmpeg+0x000000132db4) #7 avcodec_open2 src/libavcodec/utils.c:1020 (ffmpeg+0x000000c6d697) #8 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #9 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #10 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #11 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #12 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Mutex M1370 (0x7b2000000388) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 avpriv_slicethread_create src/libavutil/slicethread.c:146 (ffmpeg+0x000001434422) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=22437, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4video.h:252 in ff_mpeg4_pred_dc ================== ================== WARNING: ThreadSanitizer: data race (pid=22434) Write of size 1 at 0x7b50000002e7 by thread T2 (mutexes: write M1370): #0 mpv_reconstruct_mb_internal src/libavcodec/mpegvideo.c:2500 (ffmpeg+0x000000a49215) #1 ff_mpv_reconstruct_mb src/libavcodec/mpegvideo.c:2733 (ffmpeg+0x000000a49215) #2 encode_thread src/libavcodec/mpegvideo_enc.c:3601 (ffmpeg+0x000000a67010) #3 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #4 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x000001433de8) #5 thread_worker src/libavutil/slicethread.c:85 (ffmpeg+0x000001433de8) Previous read of size 1 at 0x7b50000002e7 by main thread: [failed to restore the stack] Location is heap block of size 461 at 0x7b5000000200 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_allocz src/libavutil/buffer.c:85 (ffmpeg+0x0000013fa4b8) #4 alloc_picture_tables src/libavcodec/mpegpicture.c:191 (ffmpeg+0x000000a38e6e) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:259 (ffmpeg+0x000000a38e6e) #6 alloc_picture src/libavcodec/mpegvideo_enc.c:1240 (ffmpeg+0x000000a5bac5) #7 load_input_picture src/libavcodec/mpegvideo_enc.c:1313 (ffmpeg+0x000000a5bac5) #8 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1926 (ffmpeg+0x000000a5bac5) #9 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #10 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #11 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #12 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #13 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #14 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Mutex M1370 (0x7b2000000388) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 avpriv_slicethread_create src/libavutil/slicethread.c:146 (ffmpeg+0x000001434422) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=22437, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:2500 in mpv_reconstruct_mb_internal ================== ================== WARNING: ThreadSanitizer: data race (pid=22434) Write of size 1 at 0x7b50000006e7 by main thread: #0 encode_thread src/libavcodec/mpegvideo_enc.c:3449 (ffmpeg+0x000000a65fec) #1 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #2 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x0000014340ce) #3 avpriv_slicethread_execute src/libavutil/slicethread.c:192 (ffmpeg+0x0000014340ce) #4 thread_execute src/libavcodec/pthread_slice.c:102 (ffmpeg+0x000000b06757) #5 encode_picture src/libavcodec/mpegvideo_enc.c:4020 (ffmpeg+0x000000a5e63a) #6 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1964 (ffmpeg+0x000000a5e63a) #7 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #8 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #9 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #10 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #11 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #12 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #13 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #14 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Previous read of size 1 at 0x7b50000006e7 by thread T2: [failed to restore the stack] Location is heap block of size 461 at 0x7b5000000600 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_allocz src/libavutil/buffer.c:85 (ffmpeg+0x0000013fa4b8) #4 alloc_picture_tables src/libavcodec/mpegpicture.c:191 (ffmpeg+0x000000a38e6e) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:259 (ffmpeg+0x000000a38e6e) #6 alloc_picture src/libavcodec/mpegvideo_enc.c:1240 (ffmpeg+0x000000a5bac5) #7 load_input_picture src/libavcodec/mpegvideo_enc.c:1313 (ffmpeg+0x000000a5bac5) #8 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1926 (ffmpeg+0x000000a5bac5) #9 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #10 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #11 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #12 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #13 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #14 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=22437, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo_enc.c:3449 in encode_thread ================== ================== WARNING: ThreadSanitizer: data race (pid=22434) Write of size 2 at 0x7b8400000658 by main thread: #0 ff_clean_intra_table_entries src/libavcodec/mpegvideo.c:2443 (ffmpeg+0x000000a485dc) #1 mpv_reconstruct_mb_internal src/libavcodec/mpegvideo.c:2506 (ffmpeg+0x000000a4c1cf) #2 ff_mpv_reconstruct_mb src/libavcodec/mpegvideo.c:2733 (ffmpeg+0x000000a4c1cf) #3 encode_thread src/libavcodec/mpegvideo_enc.c:3601 (ffmpeg+0x000000a67010) #4 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #5 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x0000014340ce) #6 avpriv_slicethread_execute src/libavutil/slicethread.c:192 (ffmpeg+0x0000014340ce) #7 thread_execute src/libavcodec/pthread_slice.c:102 (ffmpeg+0x000000b06757) #8 encode_picture src/libavcodec/mpegvideo_enc.c:4020 (ffmpeg+0x000000a5e63a) #9 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1964 (ffmpeg+0x000000a5e63a) #10 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #11 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #12 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #13 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #14 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #15 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #16 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #17 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Previous read of size 2 at 0x7b8400000658 by thread T2: [failed to restore the stack] Location is heap block of size 5078 at 0x7b8400000000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_frame src/libavcodec/mpegvideo.c:777 (ffmpeg+0x000000a3b1ff) #4 ff_mpv_common_init src/libavcodec/mpegvideo.c:943 (ffmpeg+0x000000136f3d) #5 ff_mpv_encode_init src/libavcodec/mpegvideo_enc.c:939 (ffmpeg+0x0000001391fd) #6 encode_init src/libavcodec/mpeg4videoenc.c:1282 (ffmpeg+0x000000132db4) #7 avcodec_open2 src/libavcodec/utils.c:1020 (ffmpeg+0x000000c6d697) #8 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #9 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #10 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #11 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #12 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=22437, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:2443 in ff_clean_intra_table_entries ================== ================== WARNING: ThreadSanitizer: data race (pid=22434) Write of size 2 at 0x7b8400000ea2 by main thread: #0 ff_clean_intra_table_entries src/libavcodec/mpegvideo.c:2456 (ffmpeg+0x000000a487ae) #1 mpv_reconstruct_mb_internal src/libavcodec/mpegvideo.c:2506 (ffmpeg+0x000000a4c1cf) #2 ff_mpv_reconstruct_mb src/libavcodec/mpegvideo.c:2733 (ffmpeg+0x000000a4c1cf) #3 encode_thread src/libavcodec/mpegvideo_enc.c:3601 (ffmpeg+0x000000a67010) #4 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #5 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x0000014340ce) #6 avpriv_slicethread_execute src/libavutil/slicethread.c:192 (ffmpeg+0x0000014340ce) #7 thread_execute src/libavcodec/pthread_slice.c:102 (ffmpeg+0x000000b06757) #8 encode_picture src/libavcodec/mpegvideo_enc.c:4020 (ffmpeg+0x000000a5e63a) #9 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1964 (ffmpeg+0x000000a5e63a) #10 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #11 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #12 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #13 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #14 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #15 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #16 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #17 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Previous read of size 2 at 0x7b8400000ea2 by thread T2: [failed to restore the stack] Location is heap block of size 5078 at 0x7b8400000000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_frame src/libavcodec/mpegvideo.c:777 (ffmpeg+0x000000a3b1ff) #4 ff_mpv_common_init src/libavcodec/mpegvideo.c:943 (ffmpeg+0x000000136f3d) #5 ff_mpv_encode_init src/libavcodec/mpegvideo_enc.c:939 (ffmpeg+0x0000001391fd) #6 encode_init src/libavcodec/mpeg4videoenc.c:1282 (ffmpeg+0x000000132db4) #7 avcodec_open2 src/libavcodec/utils.c:1020 (ffmpeg+0x000000c6d697) #8 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #9 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #10 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #11 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #12 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=22437, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:2456 in ff_clean_intra_table_entries ================== ================== WARNING: ThreadSanitizer: data race (pid=22434) Write of size 2 at 0x7b8400000664 by main thread: #0 ff_mpeg4_pred_dc src/libavcodec/mpeg4video.h:252 (ffmpeg+0x000000a0a920) #1 ff_mpeg4_encode_mb src/libavcodec/mpeg4videoenc.c:805 (ffmpeg+0x000000a0a920) #2 encode_mb_internal src/libavcodec/mpegvideo_enc.c:2636 (ffmpeg+0x000000a56cfe) #3 encode_mb src/libavcodec/mpegvideo_enc.c:2674 (ffmpeg+0x000000a56cfe) #4 encode_mb_hq src/libavcodec/mpegvideo_enc.c:2768 (ffmpeg+0x000000a56cfe) #5 encode_thread src/libavcodec/mpegvideo_enc.c:3340 (ffmpeg+0x000000a67cb1) #6 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #7 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x0000014340ce) #8 avpriv_slicethread_execute src/libavutil/slicethread.c:192 (ffmpeg+0x0000014340ce) #9 thread_execute src/libavcodec/pthread_slice.c:102 (ffmpeg+0x000000b06757) #10 encode_picture src/libavcodec/mpegvideo_enc.c:4020 (ffmpeg+0x000000a5e63a) #11 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1964 (ffmpeg+0x000000a5e63a) #12 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #13 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #14 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #15 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #16 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #17 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #18 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #19 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Previous read of size 2 at 0x7b8400000664 by thread T2: [failed to restore the stack] Location is heap block of size 5078 at 0x7b8400000000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_frame src/libavcodec/mpegvideo.c:777 (ffmpeg+0x000000a3b1ff) #4 ff_mpv_common_init src/libavcodec/mpegvideo.c:943 (ffmpeg+0x000000136f3d) #5 ff_mpv_encode_init src/libavcodec/mpegvideo_enc.c:939 (ffmpeg+0x0000001391fd) #6 encode_init src/libavcodec/mpeg4videoenc.c:1282 (ffmpeg+0x000000132db4) #7 avcodec_open2 src/libavcodec/utils.c:1020 (ffmpeg+0x000000c6d697) #8 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #9 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #10 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #11 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #12 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=22437, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpeg4video.h:252 in ff_mpeg4_pred_dc ================== ================== WARNING: ThreadSanitizer: data race (pid=22434) Write of size 1 at 0x7b50000000e7 by main thread: #0 encode_thread src/libavcodec/mpegvideo_enc.c:3449 (ffmpeg+0x000000a65fec) #1 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #2 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x0000014340ce) #3 avpriv_slicethread_execute src/libavutil/slicethread.c:192 (ffmpeg+0x0000014340ce) #4 thread_execute src/libavcodec/pthread_slice.c:102 (ffmpeg+0x000000b06757) #5 encode_picture src/libavcodec/mpegvideo_enc.c:4020 (ffmpeg+0x000000a5e63a) #6 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1964 (ffmpeg+0x000000a5e63a) #7 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #8 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #9 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #10 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #11 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #12 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #13 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #14 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Previous read of size 1 at 0x7b50000000e7 by thread T2 (mutexes: write M1370): #0 decide_ac_pred src/libavcodec/mpeg4videoenc.c:152 (ffmpeg+0x000000a0be19) #1 ff_mpeg4_encode_mb src/libavcodec/mpeg4videoenc.c:808 (ffmpeg+0x000000a0be19) #2 encode_mb_internal src/libavcodec/mpegvideo_enc.c:2636 (ffmpeg+0x000000a56cfe) #3 encode_mb src/libavcodec/mpegvideo_enc.c:2674 (ffmpeg+0x000000a56cfe) #4 encode_mb_hq src/libavcodec/mpegvideo_enc.c:2768 (ffmpeg+0x000000a56cfe) #5 encode_thread src/libavcodec/mpegvideo_enc.c:3340 (ffmpeg+0x000000a67cb1) #6 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #7 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x000001433de8) #8 thread_worker src/libavutil/slicethread.c:85 (ffmpeg+0x000001433de8) Location is heap block of size 461 at 0x7b5000000000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:45 (ffmpeg+0x000000a3895a) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3895a) #6 alloc_picture src/libavcodec/mpegvideo_enc.c:1240 (ffmpeg+0x000000a5bac5) #7 load_input_picture src/libavcodec/mpegvideo_enc.c:1313 (ffmpeg+0x000000a5bac5) #8 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1926 (ffmpeg+0x000000a5bac5) #9 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #10 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #11 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #12 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #13 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #14 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Mutex M1370 (0x7b2000000388) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 avpriv_slicethread_create src/libavutil/slicethread.c:146 (ffmpeg+0x000001434422) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=22437, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo_enc.c:3449 in encode_thread ================== ================== WARNING: ThreadSanitizer: data race (pid=22434) Write of size 1 at 0x7b50000008e7 by thread T2 (mutexes: write M1370): #0 encode_thread src/libavcodec/mpegvideo_enc.c:3449 (ffmpeg+0x000000a65fec) #1 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #2 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x000001433de8) #3 thread_worker src/libavutil/slicethread.c:85 (ffmpeg+0x000001433de8) Previous read of size 1 at 0x7b50000008e7 by main thread: [failed to restore the stack] Location is heap block of size 461 at 0x7b5000000800 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:45 (ffmpeg+0x000000a3895a) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3895a) #6 alloc_picture src/libavcodec/mpegvideo_enc.c:1240 (ffmpeg+0x000000a5bac5) #7 load_input_picture src/libavcodec/mpegvideo_enc.c:1313 (ffmpeg+0x000000a5bac5) #8 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1926 (ffmpeg+0x000000a5bac5) #9 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #10 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #11 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #12 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #13 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #14 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Mutex M1370 (0x7b2000000388) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 avpriv_slicethread_create src/libavutil/slicethread.c:146 (ffmpeg+0x000001434422) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=22437, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo_enc.c:3449 in encode_thread ================== ================== WARNING: ThreadSanitizer: data race (pid=22434) Write of size 1 at 0x7b50000008f5 by thread T2 (mutexes: write M1370): #0 encode_thread src/libavcodec/mpegvideo_enc.c:3449 (ffmpeg+0x000000a65fec) #1 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #2 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x000001433de8) #3 thread_worker src/libavutil/slicethread.c:85 (ffmpeg+0x000001433de8) Previous read of size 1 at 0x7b50000008f5 by main thread: #0 decide_ac_pred src/libavcodec/mpeg4videoenc.c:152 (ffmpeg+0x000000a0be19) #1 ff_mpeg4_encode_mb src/libavcodec/mpeg4videoenc.c:808 (ffmpeg+0x000000a0be19) #2 encode_mb_internal src/libavcodec/mpegvideo_enc.c:2636 (ffmpeg+0x000000a56cfe) #3 encode_mb src/libavcodec/mpegvideo_enc.c:2674 (ffmpeg+0x000000a56cfe) #4 encode_mb_hq src/libavcodec/mpegvideo_enc.c:2768 (ffmpeg+0x000000a56cfe) #5 encode_thread src/libavcodec/mpegvideo_enc.c:3340 (ffmpeg+0x000000a67cb1) #6 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #7 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x0000014340ce) #8 avpriv_slicethread_execute src/libavutil/slicethread.c:192 (ffmpeg+0x0000014340ce) #9 thread_execute src/libavcodec/pthread_slice.c:102 (ffmpeg+0x000000b06757) #10 encode_picture src/libavcodec/mpegvideo_enc.c:4020 (ffmpeg+0x000000a5e63a) #11 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1964 (ffmpeg+0x000000a5e63a) #12 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #13 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #14 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #15 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #16 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #17 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #18 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #19 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Location is heap block of size 461 at 0x7b5000000800 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:45 (ffmpeg+0x000000a3895a) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3895a) #6 alloc_picture src/libavcodec/mpegvideo_enc.c:1240 (ffmpeg+0x000000a5bac5) #7 load_input_picture src/libavcodec/mpegvideo_enc.c:1313 (ffmpeg+0x000000a5bac5) #8 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1926 (ffmpeg+0x000000a5bac5) #9 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #10 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #11 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #12 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #13 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #14 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Mutex M1370 (0x7b2000000388) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 avpriv_slicethread_create src/libavutil/slicethread.c:146 (ffmpeg+0x000001434422) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=22437, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo_enc.c:3449 in encode_thread ================== ================== WARNING: ThreadSanitizer: data race (pid=22434) Write of size 1 at 0x7b50000000ea by main thread: #0 mpv_reconstruct_mb_internal src/libavcodec/mpegvideo.c:2500 (ffmpeg+0x000000a49215) #1 ff_mpv_reconstruct_mb src/libavcodec/mpegvideo.c:2733 (ffmpeg+0x000000a49215) #2 encode_thread src/libavcodec/mpegvideo_enc.c:3601 (ffmpeg+0x000000a67010) #3 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #4 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x0000014340ce) #5 avpriv_slicethread_execute src/libavutil/slicethread.c:192 (ffmpeg+0x0000014340ce) #6 thread_execute src/libavcodec/pthread_slice.c:102 (ffmpeg+0x000000b06757) #7 encode_picture src/libavcodec/mpegvideo_enc.c:4020 (ffmpeg+0x000000a5e63a) #8 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1964 (ffmpeg+0x000000a5e63a) #9 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #10 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #11 avcodec_receive_packet src/libavcodec/encode.c:444 (ffmpeg+0x000000764515) #12 flush_encoders src/ffmpeg.c:1930 (ffmpeg+0x0000001b84dc) #13 transcode src/ffmpeg.c:4624 (ffmpeg+0x0000001b84dc) #14 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b84dc) Previous read of size 1 at 0x7b50000000ea by thread T2 (mutexes: write M1370): #0 decide_ac_pred src/libavcodec/mpeg4videoenc.c:152 (ffmpeg+0x000000a0be19) #1 ff_mpeg4_encode_mb src/libavcodec/mpeg4videoenc.c:808 (ffmpeg+0x000000a0be19) #2 encode_mb_internal src/libavcodec/mpegvideo_enc.c:2636 (ffmpeg+0x000000a56cfe) #3 encode_mb src/libavcodec/mpegvideo_enc.c:2674 (ffmpeg+0x000000a56cfe) #4 encode_mb_hq src/libavcodec/mpegvideo_enc.c:2768 (ffmpeg+0x000000a56cfe) #5 encode_thread src/libavcodec/mpegvideo_enc.c:3340 (ffmpeg+0x000000a67cb1) #6 worker_func src/libavcodec/pthread_slice.c:64 (ffmpeg+0x000000b06636) #7 run_jobs src/libavutil/slicethread.c:61 (ffmpeg+0x000001433de8) #8 thread_worker src/libavutil/slicethread.c:85 (ffmpeg+0x000001433de8) Location is heap block of size 461 at 0x7b5000000000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_buffer_alloc src/libavutil/buffer.c:72 (ffmpeg+0x0000013fa41f) #3 av_buffer_make_writable src/libavutil/buffer.c:158 (ffmpeg+0x0000013fa7c3) #4 make_tables_writable src/libavcodec/mpegpicture.c:45 (ffmpeg+0x000000a3895a) #5 ff_alloc_picture src/libavcodec/mpegpicture.c:262 (ffmpeg+0x000000a3895a) #6 alloc_picture src/libavcodec/mpegvideo_enc.c:1240 (ffmpeg+0x000000a5bac5) #7 load_input_picture src/libavcodec/mpegvideo_enc.c:1313 (ffmpeg+0x000000a5bac5) #8 ff_mpv_encode_picture src/libavcodec/mpegvideo_enc.c:1926 (ffmpeg+0x000000a5bac5) #9 avcodec_encode_video2 src/libavcodec/encode.c:304 (ffmpeg+0x000000763bb3) #10 do_encode src/libavcodec/encode.c:372 (ffmpeg+0x0000007640d9) #11 avcodec_send_frame src/libavcodec/encode.c:421 (ffmpeg+0x0000007643a8) #12 do_video_out src/ffmpeg.c:1288 (ffmpeg+0x0000001e87c6) #13 reap_filters src/ffmpeg.c:1506 (ffmpeg+0x0000001ef2c5) #14 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Mutex M1370 (0x7b2000000388) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 avpriv_slicethread_create src/libavutil/slicethread.c:146 (ffmpeg+0x000001434422) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) Thread T2 (tid=22437, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 avpriv_slicethread_create src/libavutil/slicethread.c:151 (ffmpeg+0x00000143445c) #2 ff_slice_thread_init src/libavcodec/pthread_slice.c:145 (ffmpeg+0x000000b06a70) #3 ff_thread_init src/libavcodec/pthread.c:75 (ffmpeg+0x0000011e855a) #4 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #5 init_output_stream src/ffmpeg.c:3469 (ffmpeg+0x0000001ecaf8) #6 reap_filters src/ffmpeg.c:1442 (ffmpeg+0x0000001eff05) #7 transcode_step src/ffmpeg.c:4557 (ffmpeg+0x0000001b7dce) #8 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dce) #9 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dce) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:2500 in mpv_reconstruct_mb_internal ================== frame= 50 fps= 10 q=7.8 Lsize= 244kB time=00:00:01.96 bitrate=1020.8kbits/s speed=0.397x video:238kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 2.826647% ThreadSanitizer: reported 11 warnings
diff	stderr	xvid-custom-matrix	66	N-121824-g775b102182

No diff output recorded

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, m4v, from '/home/fate/fate-suite/mpeg4/xvid_vlc_trac7411.h263': Duration: N/A, start: 1.000000, bitrate: N/A Stream #0:0: Video: mpeg4 (Advanced Simple Profile), yuv420p, 720x576 [SAR 16:11 DAR 20:11], 25 tbr, 1200k tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=32730) Read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1389): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1386): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 decode_slice src/libavcodec/h263dec.c:198 (ffmpeg+0x00000081d7e2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1389 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=32749, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=32730) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1389): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1386): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1389 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=32749, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=32730) Read of size 8 at 0x7b9800003018 by main thread (mutexes: write M1389): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003018 by thread T1 (mutexes: write M1386): #0 mpeg4_decode_block src/libavcodec/mpeg4videodec.c:1243 (ffmpeg+0x0000009fc0b0) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1674 (ffmpeg+0x0000009fc0b0) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1389 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=32749, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=32730) Read of size 8 at 0x7b9800003a60 by main thread (mutexes: write M1389): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003a60 by thread T1: [failed to restore the stack] Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1389 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=32749, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=32730) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1389): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1386): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1389 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=32749, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=32730) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1389): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1386): #0 decode_slice src/libavcodec/h263dec.c:273 (ffmpeg+0x00000081e23c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1389 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=32749, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=32730) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1389): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1386): #0 decode_slice src/libavcodec/h263dec.c:277 (ffmpeg+0x00000081e2b8) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1389 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=32749, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=32730) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1389): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1386): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1646 (ffmpeg+0x0000009fb1f8) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1389 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=32749, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=32730) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1389): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1386): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1389 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=32749, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=32730) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1389): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1386): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1389 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=32749, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=32730) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1389): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1386): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1389 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=32749, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=32730) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1389): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1386): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1389 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=32749, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=32730) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1389): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1386): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1389 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=32749, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=32730) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1389): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1386): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1389 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=32749, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=32730) Read of size 8 at 0x7b98000050c8 by main thread (mutexes: write M1389): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1386): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1389 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=32749, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=32730) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1389): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1386): #0 get_vlc2 src/libavcodec/get_bits.h:564 (ffmpeg+0x0000009fac40) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1637 (ffmpeg+0x0000009fac40) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1389 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=32749, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, framemd5, to 'pipe:': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 720x576 [SAR 16:11 DAR 20:11], q=2-31, 124416 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo frame= 20 fps= 20 q=-0.0 Lsize= 2kB time=00:00:00.88 bitrate= 16.3kbits/s speed=0.861x video:12150kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown ThreadSanitizer: reported 16 warnings
diff	stderr	xvid-idct	66	N-121824-g775b102182

No diff output recorded

ffmpeg version N-87204-gd8bc198d09 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 7.1.1 (GCC) 20170630 configuration: --prefix=/home/fate/workdirs/x86_64-archlinux-gcc-tsan/install --samples=/home/fate/fate-suite --enable-gpl --enable-memory-poisoning --enable-avresample --cc='ccache cc' --extra-cflags='-fsanitize=thread' --extra-ldflags='-fsanitize=thread' --disable-stripping --x86asmexe=yasm libavutil 55. 74.100 / 55. 74.100 libavcodec 57.105.100 / 57.105.100 libavformat 57. 81.100 / 57. 81.100 libavdevice 57. 8.100 / 57. 8.100 libavfilter 6.102.100 / 6.102.100 libavresample 3. 6. 0 / 3. 6. 0 libswscale 4. 7.103 / 4. 7.103 libswresample 2. 8.100 / 2. 8.100 libpostproc 54. 6.100 / 54. 6.100 Input #0, m4v, from '/home/fate/fate-suite/mpeg4/xvid_vlc_trac7411.h263': Duration: N/A, start: 1.000000, bitrate: N/A Stream #0:0: Video: mpeg4 (Advanced Simple Profile), yuv420p, 720x576 [SAR 16:11 DAR 20:11], 25 tbr, 1200k tbn, 25 tbc Stream mapping: Stream #0:0 -> #0:0 (mpeg4 (native) -> rawvideo (native)) ================== WARNING: ThreadSanitizer: data race (pid=32743) Read of size 8 at 0x7b9800003008 by main thread (mutexes: write M1389): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003008 by thread T1 (mutexes: write M1386): #0 ff_set_qscale src/libavcodec/mpegvideo.c:2816 (ffmpeg+0x000000a4f19d) #1 decode_slice src/libavcodec/h263dec.c:198 (ffmpeg+0x00000081d7e2) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1389 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=32751, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=32743) Read of size 8 at 0x7b9800003010 by main thread (mutexes: write M1389): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003010 by thread T1 (mutexes: write M1386): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1649 (ffmpeg+0x0000009fb250) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1389 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=32751, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=32743) Read of size 8 at 0x7b9800003018 by main thread (mutexes: write M1389): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003018 by thread T1 (mutexes: write M1386): #0 mpeg4_decode_block src/libavcodec/mpeg4videodec.c:1243 (ffmpeg+0x0000009fc0b0) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1674 (ffmpeg+0x0000009fc0b0) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1389 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=32751, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=32743) Read of size 8 at 0x7b9800003a60 by main thread (mutexes: write M1389): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800003a60 by thread T1: [failed to restore the stack] Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1389 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=32751, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=32743) Read of size 8 at 0x7b9800004680 by main thread (mutexes: write M1389): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004680 by thread T1 (mutexes: write M1386): #0 decode_slice src/libavcodec/h263dec.c:250 (ffmpeg+0x00000081dd9c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1389 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=32751, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=32743) Read of size 8 at 0x7b9800004a28 by main thread (mutexes: write M1389): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a2c by thread T1 (mutexes: write M1386): #0 decode_slice src/libavcodec/h263dec.c:273 (ffmpeg+0x00000081e23c) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1389 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=32751, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=32743) Read of size 8 at 0x7b9800004a30 by main thread (mutexes: write M1389): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a30 by thread T1 (mutexes: write M1386): #0 decode_slice src/libavcodec/h263dec.c:277 (ffmpeg+0x00000081e2b8) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1389 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=32751, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=32743) Read of size 8 at 0x7b9800004a38 by main thread (mutexes: write M1389): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a38 by thread T1 (mutexes: write M1386): #0 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1646 (ffmpeg+0x0000009fb1f8) #1 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1389 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=32751, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=32743) Read of size 8 at 0x7b9800004a48 by main thread (mutexes: write M1389): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a48 by thread T1 (mutexes: write M1386): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2748 (ffmpeg+0x000000a4ebb4) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1389 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=32751, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=32743) Read of size 8 at 0x7b9800004a50 by main thread (mutexes: write M1389): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a50 by thread T1 (mutexes: write M1386): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2750 (ffmpeg+0x000000a4ebf8) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1389 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=32751, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=32743) Read of size 8 at 0x7b9800004a58 by main thread (mutexes: write M1389): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800004a58 by thread T1 (mutexes: write M1386): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2752 (ffmpeg+0x000000a4ec62) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1389 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=32751, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=32743) Read of size 8 at 0x7b9800004a78 by main thread (mutexes: write M1389): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a78 by thread T1 (mutexes: write M1386): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2756 (ffmpeg+0x000000a4eccf) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1389 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=32751, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=32743) Read of size 8 at 0x7b9800004a80 by main thread (mutexes: write M1389): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a80 by thread T1 (mutexes: write M1386): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2757 (ffmpeg+0x000000a4ed22) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1389 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=32751, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=32743) Read of size 8 at 0x7b9800004a88 by main thread (mutexes: write M1389): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 8 at 0x7b9800004a88 by thread T1 (mutexes: write M1386): #0 ff_init_block_index src/libavcodec/mpegvideo.c:2758 (ffmpeg+0x000000a4ed49) #1 decode_slice src/libavcodec/h263dec.c:239 (ffmpeg+0x00000081d9cf) #2 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #3 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1389 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=32751, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=32743) Read of size 8 at 0x7b98000050c8 by main thread (mutexes: write M1389): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b98000050cc by thread T1 (mutexes: write M1386): #0 decode_slice src/libavcodec/h263dec.c:271 (ffmpeg+0x00000081e219) #1 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #2 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1389 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=32751, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== ================== WARNING: ThreadSanitizer: data race (pid=32743) Read of size 8 at 0x7b9800005160 by main thread (mutexes: write M1389): #0 memcpy /build/gcc/src/gcc/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:596 (libtsan.so.0+0x000000030111) #1 ff_mpeg_update_thread_context src/libavcodec/mpegvideo.c:498 (ffmpeg+0x000000a436cf) #2 mpeg4_update_thread_context src/libavcodec/mpeg4videodec.c:2773 (ffmpeg+0x0000009f51b1) #3 update_context_from_thread src/libavcodec/pthread_frame.c:315 (ffmpeg+0x000000b03507) #4 submit_packet src/libavcodec/pthread_frame.c:418 (ffmpeg+0x000000b03c20) #5 ff_thread_decode_frame src/libavcodec/pthread_frame.c:495 (ffmpeg+0x000000b03c20) #6 decode_simple_internal src/libavcodec/decode.c:415 (ffmpeg+0x0000006f6554) #7 decode_simple_receive_frame src/libavcodec/decode.c:620 (ffmpeg+0x0000006fa98a) #8 decode_receive_frame_internal src/libavcodec/decode.c:638 (ffmpeg+0x0000006fa98a) #9 avcodec_send_packet src/libavcodec/decode.c:678 (ffmpeg+0x0000006fa98a) #10 decode src/ffmpeg.c:2265 (ffmpeg+0x0000001f0f40) #11 decode_video src/ffmpeg.c:2409 (ffmpeg+0x0000001f0f40) #12 process_input_packet src/ffmpeg.c:2644 (ffmpeg+0x0000001f262a) #13 process_input src/ffmpeg.c:4436 (ffmpeg+0x0000001b7dbd) #14 transcode_step src/ffmpeg.c:4547 (ffmpeg+0x0000001b7dbd) #15 transcode src/ffmpeg.c:4601 (ffmpeg+0x0000001b7dbd) #16 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b7dbd) Previous write of size 4 at 0x7b9800005160 by thread T1 (mutexes: write M1386): #0 get_vlc2 src/libavcodec/get_bits.h:564 (ffmpeg+0x0000009fac40) #1 mpeg4_decode_mb src/libavcodec/mpeg4videodec.c:1637 (ffmpeg+0x0000009fac40) #2 decode_slice src/libavcodec/h263dec.c:256 (ffmpeg+0x00000081dde6) #3 ff_h263_decode_frame src/libavcodec/h263dec.c:637 (ffmpeg+0x00000081f7a5) #4 frame_worker_thread src/libavcodec/pthread_frame.c:201 (ffmpeg+0x000000b04b1f) Location is heap block of size 10856 at 0x7b9800003000 allocated by main thread: #0 posix_memalign /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:776 (libtsan.so.0+0x000000028b4c) #1 av_malloc src/libavutil/mem.c:87 (ffmpeg+0x000001415aff) #2 av_mallocz src/libavutil/mem.c:224 (ffmpeg+0x000001415e3a) #3 init_context_defaults src/libavcodec/options.c:128 (ffmpeg+0x000000acc186) #4 avcodec_alloc_context3 src/libavcodec/options.c:164 (ffmpeg+0x000000acc186) #5 add_input_streams src/ffmpeg_opt.c:778 (ffmpeg+0x0000001d0eae) #6 open_input_file src/ffmpeg_opt.c:1131 (ffmpeg+0x0000001d0eae) #7 open_files src/ffmpeg_opt.c:3278 (ffmpeg+0x0000001d4d19) #8 ffmpeg_parse_options src/ffmpeg_opt.c:3318 (ffmpeg+0x0000001d4d19) #9 main src/ffmpeg.c:4780 (ffmpeg+0x0000001b641e) Mutex M1389 (0x7b5c00000958) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Mutex M1386 (0x7b5c000007a8) created at: #0 pthread_mutex_init /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:1117 (libtsan.so.0+0x00000002972e) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:780 (ffmpeg+0x000000b056f3) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) Thread T1 (tid=32751, running) created by main thread at: #0 pthread_create /build/gcc/src/gcc/libsanitizer/tsan/tsan_interceptors.cc:900 (libtsan.so.0+0x000000028e13) #1 ff_frame_thread_init src/libavcodec/pthread_frame.c:837 (ffmpeg+0x000000b0567a) #2 ff_thread_init src/libavcodec/pthread.c:77 (ffmpeg+0x0000011e84f8) #3 avcodec_open2 src/libavcodec/utils.c:822 (ffmpeg+0x000000c6d4d2) #4 init_input_stream src/ffmpeg.c:2915 (ffmpeg+0x0000001f41d4) #5 transcode_init src/ffmpeg.c:3653 (ffmpeg+0x0000001f41d4) #6 transcode src/ffmpeg.c:4572 (ffmpeg+0x0000001b6562) #7 main src/ffmpeg.c:4807 (ffmpeg+0x0000001b6562) SUMMARY: ThreadSanitizer: data race src/libavcodec/mpegvideo.c:498 in ff_mpeg_update_thread_context ================== Output #0, framemd5, to 'pipe:': Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 720x576 [SAR 16:11 DAR 20:11], q=2-31, 124416 kb/s, 25 fps, 25 tbn, 25 tbc Metadata: encoder : Lavc rawvideo frame= 20 fps= 19 q=-0.0 Lsize= 2kB time=00:00:00.88 bitrate= 16.3kbits/s speed=0.814x video:12150kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown ThreadSanitizer: reported 16 warnings