#7998: Segfault when decoding AV1 -------------------------------------+------------------------------------- Reporter: Ilya87 | Type: defect Status: new | Priority: important Component: | Version: git- undetermined | master Keywords: SEGFAULT | Blocked By: AV1 | Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | -------------------------------------+------------------------------------- Summary of the bug: How to reproduce: {{{ 1 - Encode 1191 frames piece of video with {{{ aomenc --target-bitrate=500 -w 720 -h 306 --cpu-used=3 --kf-max-dist=240 --end-usage=vbr --aq-mode=2 -t 6 --tile-columns=6 -o sintel720_aom_500.webm sintel720.y4m }}} My OS is Arch Linux x86_64 2 - ffmpeg -v 9 -loglevel 99 -i sintel720_aom_500.webm -c:v libx264 -preset slow -b:v 2000k test.mkv result: {{{ ffmpeg -v 9 -loglevel 99 -i /D/sintel/sintel720_aom_500.webm -c:v libx264 -preset slow -b:v 2000k test.mkv ffmpeg version N-94150-g231d0c819f Copyright (c) 2000-2019 the FFmpeg developers built with gcc 9.1.0 (GCC) configuration: --prefix=/usr --disable-debug --disable-static --enable- stripping --enable-fontconfig --enable-gmp --enable-gnutls --enable-gpl --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libdrm --enable-libfreetype --enable-libfribidi --enable-libgsm --enable-libiec61883 --enable-libjack --enable-libmodplug --enable- libmp3lame --enable-libopencore_amrnb --enable-libopencore_amrwb --enable- libopenjpeg --enable-libopus --enable-libpulse --enable-libsoxr --enable- libspeex --enable-libssh --enable-libtheora --enable-libv4l2 --enable- libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable- libx264 --enable-libx265 --enable-libxcb --enable-libxml2 --enable-libxvid --enable-nvdec --enable-nvenc --enable-omx --enable-shared --enable- libvmaf --extra-cflags='-march=native -mtune=native -g -O3' --extra- cxxflags='-march=native -mtune=native -g -O3' --enable-version3 libavutil 56. 30.100 / 56. 30.100 libavcodec 58. 53.101 / 58. 53.101 libavformat 58. 28.101 / 58. 28.101 libavdevice 58. 7.100 / 58. 7.100 libavfilter 7. 55.100 / 7. 55.100 libswscale 5. 4.101 / 5. 4.101 libswresample 3. 4.100 / 3. 4.100 libpostproc 55. 4.100 / 55. 4.100 Splitting the commandline. Reading option '-v' ... matched as option 'v' (set logging level) with argument '9'. Reading option '-loglevel' ... matched as option 'loglevel' (set logging level) with argument '99'. Reading option '-i' ... matched as input url with argument '/D/sintel/sintel720_aom_500.webm'. Reading option '-c:v' ... matched as option 'c' (codec name) with argument 'libx264'. Reading option '-preset' ... matched as AVOption 'preset' with argument 'slow'. Reading option '-b:v' ... matched as option 'b' (video bitrate (please use -b:v)) with argument '2000k'. Reading option 'test.mkv' ... matched as output url. Finished splitting the commandline. Parsing a group of options: global . Applying option v (set logging level) with argument 9. Successfully parsed a group of options. Parsing a group of options: input url /D/sintel/sintel720_aom_500.webm. Successfully parsed a group of options. Opening an input file: /D/sintel/sintel720_aom_500.webm. [NULL @ 0x559af05b5300] Opening '/D/sintel/sintel720_aom_500.webm' for reading [file @ 0x559af05b5d80] Setting default whitelist 'file,crypto' Probing matroska,webm score:100 size:2048 [matroska,webm @ 0x559af05b5300] Format matroska,webm probed with size=2048 and score=100 st:0 removing common factor 1000000 from timebase [matroska,webm @ 0x559af05b5300] Before avformat_find_stream_info() pos: 254 bytes read:32768 seeks:0 nb_streams:1 [libaom-av1 @ 0x559af05b7b40] 1.0.0 [libaom-av1 @ 0x559af05b7b40] -G "Ninja" -DAOM_TARGET_CPU=x86_64 [libaom-av1 @ 0x559af05b7b40] Frame 0: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [AVBSFContext @ 0x559af05bdec0] obu_type: 2, temporal_id: 0, spatial_id: 0, payload size: 0 [AVBSFContext @ 0x559af05bdec0] obu_type: 1, temporal_id: 0, spatial_id: 0, payload size: 11 [AVBSFContext @ 0x559af05bdec0] obu_type: 6, temporal_id: 0, spatial_id: 0, payload size: 7534 [libaom-av1 @ 0x559af05b7b40] Frame 12: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 4: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 2: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 1: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 3: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 8: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 6: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 5: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 7: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 10: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 9: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 11: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 12: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 20: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 16: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 14: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 13: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 15: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 18: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 17: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 19: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 20: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 28: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 24: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 22: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 21: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 23: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 26: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 25: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 27: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 28: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 36: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 32: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 30: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 29: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 31: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 34: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 33: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 35: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 36: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 44: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 40: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 38: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 37: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [libaom-av1 @ 0x559af05b7b40] Frame 39: size 720x306 upscaled 720 render 720x306 subsample 2x2 bitdepth 8 tiles 1x12. [matroska,webm @ 0x559af05b5300] All info found [matroska,webm @ 0x559af05b5300] rfps: 23.750000 0.014474 Last message repeated 1 times [matroska,webm @ 0x559af05b5300] rfps: 23.833333 0.006451 Last message repeated 1 times [matroska,webm @ 0x559af05b5300] rfps: 23.916667 0.001640 Last message repeated 1 times [matroska,webm @ 0x559af05b5300] rfps: 24.000000 0.000043 [matroska,webm @ 0x559af05b5300] rfps: 24.083333 0.001659 [matroska,webm @ 0x559af05b5300] rfps: 24.166667 0.006488 [matroska,webm @ 0x559af05b5300] rfps: 24.250000 0.014530 [matroska,webm @ 0x559af05b5300] rfps: 48.000000 0.000173 Last message repeated 1 times [matroska,webm @ 0x559af05b5300] rfps: 120.000000 0.001079 [matroska,webm @ 0x559af05b5300] rfps: 240.000000 0.004316 Last message repeated 1 times [matroska,webm @ 0x559af05b5300] rfps: 23.976024 0.000173 Last message repeated 1 times [matroska,webm @ 0x559af05b5300] rfps: 47.952048 0.000694 Last message repeated 1 times [matroska,webm @ 0x559af05b5300] Setting avg frame rate based on r frame rate [matroska,webm @ 0x559af05b5300] stream 0: start_time: 0.000 duration: -9223372036854776.000 [matroska,webm @ 0x559af05b5300] format: start_time: 0.000 duration: 49.583 bitrate=571 kb/s [matroska,webm @ 0x559af05b5300] After avformat_find_stream_info() pos: 176554 bytes read:196608 seeks:0 frames:41 Input #0, matroska,webm, from '/D/sintel/sintel720_aom_500.webm': Metadata: encoder : libwebm-0.2.1.0 Duration: 00:00:49.58, start: 0.000000, bitrate: 571 kb/s Stream #0:0(eng), 41, 1/1000: Video: av1 (Main), 1 reference frame, yuv420p(tv), 720x306, 0/1, SAR 1:1 DAR 40:17, 24 fps, 24 tbr, 1k tbn, 1k tbc (default) Successfully opened the file. Parsing a group of options: output url test.mkv. Applying option c:v (codec name) with argument libx264. Applying option b:v (video bitrate (please use -b:v)) with argument 2000k. Successfully parsed a group of options. Opening an output file: test.mkv. [file @ 0x559af05c7780] Setting default whitelist 'file,crypto' Successfully opened the file. detected 6 logical cores [libaom-av1 @ 0x559af0648d80] 1.0.0 [libaom-av1 @ 0x559af0648d80] -G "Ninja" -DAOM_TARGET_CPU=x86_64 Stream mapping: Stream #0:0 -> #0:0 (av1 (libaom-av1) -> h264 (libx264)) Press [q] to stop, [?] for help cur_dts is invalid st:0 (0) [init:0 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream) [graph 0 input from stream 0:0 @ 0x559af21dcf00] Setting 'video_size' to value '720x306' [graph 0 input from stream 0:0 @ 0x559af21dcf00] Setting 'pix_fmt' to value '0' [graph 0 input from stream 0:0 @ 0x559af21dcf00] Setting 'time_base' to value '1/1000' [graph 0 input from stream 0:0 @ 0x559af21dcf00] Setting 'pixel_aspect' to value '1/1' [graph 0 input from stream 0:0 @ 0x559af21dcf00] Setting 'sws_param' to value 'flags=2' [graph 0 input from stream 0:0 @ 0x559af21dcf00] Setting 'frame_rate' to value '24/1' [graph 0 input from stream 0:0 @ 0x559af21dcf00] w:720 h:306 pixfmt:yuv420p tb:1/1000 fr:24/1 sar:1/1 sws_param:flags=2 [format @ 0x559af21dd400] Setting 'pix_fmts' to value 'yuv420p|yuvj420p|yuv422p|yuvj422p|yuv444p|yuvj444p|nv12|nv16|nv21|yuv420p10le|yuv422p10le|yuv444p10le|nv20le|gray|gray10le' [AVFilterGraph @ 0x559af05c6680] query_formats: 4 queried, 3 merged, 0 already done, 0 delayed [libx264 @ 0x559af0626240] using mv_range_thread = 24 [libx264 @ 0x559af0626240] using SAR=1/1 [libx264 @ 0x559af0626240] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2 [libx264 @ 0x559af0626240] profile High, level 3.0, 4:2:0, 8-bit [libx264 @ 0x559af0626240] 264 - core 157 r2945 72db437 - H.264/MPEG-4 AVC codec - Copyleft 2003-2018 - http://www.videolan.org/x264.html - options: cabac=1 ref=5 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=8 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=2 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=9 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=3 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=24 scenecut=40 intra_refresh=0 rc_lookahead=50 rc=abr mbtree=1 bitrate=2000 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00 [matroska @ 0x559af0645700] get_metadata_duration returned: 0 Output #0, matroska, to 'test.mkv': Metadata: encoder : Lavf58.28.101 Stream #0:0(eng), 0, 1/1000: Video: h264 (libx264), 1 reference frame (H264 / 0x34363248), yuv420p, 720x306 [SAR 1:1 DAR 40:17], 0/1, q=-1--1, 2000 kb/s, 24 fps, 1k tbn, 24 tbc (default) Metadata: encoder : Lavc58.53.101 libx264 Side data: cpb: bitrate max/min/avg: 0/0/2000000 buffer size: 0 vbv_delay: -1 Clipping frame in rate conversion by 0.000008 cur_dts is invalid st:0 (0) [init:1 i_done:0 finish:0] (this is harmless if it occurs once at the start per stream) Ошибка сегментирования (стек памяти сброшен на диск) }}} Segfault also appears when I try to simply play webm with ffmpeg. ffmpeg version N-94150-g231d0c819f built on Arch Linux x86_64 }}} -- Ticket URL: <https://trac.ffmpeg.org/ticket/7998> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker