[FFmpeg-trac] #6866(avfilter:new): SIGSEV with libvmaf

FFmpeg trac at avcodec.org
Sat Nov 25 22:52:45 EET 2017 

#6866: SIGSEV with libvmaf
-------------------------------------+-------------------------------------
             Reporter:  Ilya87       |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  important    |                Component:  avfilter
              Version:  git-master   |               Resolution:
             Keywords:  libvmaf      |               Blocked By:
  crash                              |  Reproduced by developer:  0
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by Ilya87):

 valgrind /usr/bin/ffmpeg -i /home/ilya/Video/Test/Xamd/Xamd_orig__x264.mkv
 -i /home/ilya/Video/Test/Xamd/Xamd_orig_.mkv -lavfi libvmaf -f null -
 {{{
 ==28496== Memcheck, a memory error detector
 ==28496== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
 ==28496== Using Valgrind-3.13.0 and LibVEX; rerun with -h for copyright
 info
 ==28496== Command: /usr/bin/ffmpeg -i
 /home/ilya/Video/Test/Xamd/Xamd_orig__x264.mkv -i
 /home/ilya/Video/Test/Xamd/Xamd_orig_.mkv -lavfi libvmaf -f null -
 ==28496==
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 --28496-- Warning: DWARF2 CFI reader: unhandled DW_OP_ opcode 0x13
 ffmpeg version N-89240-gf6d49a0dc8 Copyright (c) 2000-2017 the FFmpeg
 developers
   built with gcc 7.2.0 (GCC)
   configuration: --prefix=/usr --enable-debug --disable-static --disable-
 stripping --enable-avisynth --enable-avresample --enable-fontconfig
 --enable-gmp --enable-gnutls --enable-gpl --enable-ladspa --enable-libass
 --enable-libbluray --enable-libfreetype --enable-libfribidi --enable-
 libgsm --enable-libiec61883 --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-libxvid --enable-shared
 --enable-libvmaf --disable-optimizations --enable-debug=3 --disable-
 stripping --enable-version3
   libavutil      56.  3.100 / 56.  3.100
   libavcodec     58.  3.105 / 58.  3.105
   libavformat    58.  2.102 / 58.  2.102
   libavdevice    58.  0.100 / 58.  0.100
   libavfilter     7.  4.100 /  7.  4.100
   libavresample   4.  0.  0 /  4.  0.  0
   libswscale      5.  0.101 /  5.  0.101
   libswresample   3.  0.101 /  3.  0.101
   libpostproc    55.  0.100 / 55.  0.100
 Input #0, matroska,webm, from
 '/home/ilya/Video/Test/Xamd/Xamd_orig__x264.mkv':
   Metadata:
     encoder         : Haali Matroska Writer b0
   Duration: 00:00:04.96, start: 0.000000, bitrate: 1172 kb/s
     Stream #0:0(eng): Video: h264 (High), yuv420p(progressive), 720x406,
 SAR 1:1 DAR 360:203, 23.98 fps, 23.98 tbr, 20k tbn, 2k tbc (default)
 Input #1, matroska,webm, from '/home/ilya/Video/Test/Xamd/Xamd_orig_.mkv':
   Metadata:
     ENCODER         : Lavf57.83.100
   Duration: 00:00:05.01, start: 0.000000, bitrate: 22921 kb/s
     Stream #1:0: Video: ffv1 (FFV1 / 0x31564646), yuv420p(progressive),
 720x406, SAR 255:254 DAR 45900:25781, 23.98 fps, 23.98 tbr, 1k tbn, 1k tbc
 (default)
     Metadata:
       ENCODER         : Lavc57.107.100 ffv1
       DURATION        : 00:00:05.005000000
 ==28496== Invalid read of size 4
 ==28496==    at 0x86BF39E: pthread_join (in /usr/lib/libpthread-2.26.so)
 ==28496==    by 0x524069F: uninit (vf_libvmaf.c:301)
 ==28496==    by 0x5131496: avfilter_free (avfilter.c:804)
 ==28496==    by 0x5133954: avfilter_graph_free (avfiltergraph.c:126)
 ==28496==    by 0x1226BF: init_complex_filtergraph (ffmpeg_filter.c:369)
 ==28496==    by 0x11BCFC: init_complex_filters (ffmpeg_opt.c:2098)
 ==28496==    by 0x120FE1: ffmpeg_parse_options (ffmpeg_opt.c:3343)
 ==28496==    by 0x140AB0: main (ffmpeg.c:4785)
 ==28496==  Address 0x2d0 is not stack'd, malloc'd or (recently) free'd
 ==28496==
 ==28496==
 ==28496== Process terminating with default action of signal 11 (SIGSEGV):
 dumping core
 ==28496==  Access not within mapped region at address 0x2D0
 ==28496==    at 0x86BF39E: pthread_join (in /usr/lib/libpthread-2.26.so)
 ==28496==    by 0x524069F: uninit (vf_libvmaf.c:301)
 ==28496==    by 0x5131496: avfilter_free (avfilter.c:804)
 ==28496==    by 0x5133954: avfilter_graph_free (avfiltergraph.c:126)
 ==28496==    by 0x1226BF: init_complex_filtergraph (ffmpeg_filter.c:369)
 ==28496==    by 0x11BCFC: init_complex_filters (ffmpeg_opt.c:2098)
 ==28496==    by 0x120FE1: ffmpeg_parse_options (ffmpeg_opt.c:3343)
 ==28496==    by 0x140AB0: main (ffmpeg.c:4785)
 ==28496==  If you believe this happened as a result of a stack
 ==28496==  overflow in your program's main thread (unlikely but
 ==28496==  possible), you can try to increase the size of the
 ==28496==  main thread stack using the --main-stacksize= flag.
 ==28496==  The main thread stack size used in this run was 8388608.
 ==28496==
 ==28496== HEAP SUMMARY:
 ==28496==     in use at exit: 1,113,503 bytes in 1,045 blocks
 ==28496==   total heap usage: 2,367 allocs, 1,322 frees, 4,655,455 bytes
 allocated
 ==28496==
 ==28496== LEAK SUMMARY:
 ==28496==    definitely lost: 0 bytes in 0 blocks
 ==28496==    indirectly lost: 0 bytes in 0 blocks
 ==28496==      possibly lost: 0 bytes in 0 blocks
 ==28496==    still reachable: 1,113,503 bytes in 1,045 blocks
 ==28496==         suppressed: 0 bytes in 0 blocks
 ==28496== Rerun with --leak-check=full to see details of leaked memory
 ==28496==
 ==28496== For counts of detected and suppressed errors, rerun with: -v
 ==28496== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0)
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/6866#comment:4>
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