Opened 6 years ago

Closed 6 years ago

#3584 closed defect (fixed)

Memleak when probing broken transport stream

Reported by: cehoyos Owned by: cus
Priority: normal Component: avformat
Version: git-master Keywords: mpegts leak
Cc: cus@passwd.hu Blocked By:
Blocking: Reproduced by developer: yes
Analyzed by developer: yes

Description

A user uploaded a transport stream that leaks memory on probing with FFmpeg:

$ valgrind --leak-check=full ./ffmpeg_g -i sf_1d5644675da539e30f3c1ac570e32c77_cut.m2ts
==5543== Memcheck, a memory error detector
==5543== Copyright (C) 2002-2011, and GNU GPL'd, by Julian Seward et al.
==5543== Using Valgrind-3.7.0 and LibVEX; rerun with -h for copyright info
==5543== Command: ./ffmpeg_g -i sf_1d5644675da539e30f3c1ac570e32c77_cut.m2ts
==5543==
ffmpeg version N-62649-g1ba59b1 Copyright (c) 2000-2014 the FFmpeg developers
  built on Apr 23 2014 15:36:28 with gcc 4.7 (SUSE Linux)
  configuration: --enable-gpl
  libavutil      52. 78.100 / 52. 78.100
  libavcodec     55. 58.105 / 55. 58.105
  libavformat    55. 37.101 / 55. 37.101
  libavdevice    55. 13.100 / 55. 13.100
  libavfilter     4.  4.100 /  4.  4.100
  libswscale      2.  6.100 /  2.  6.100
  libswresample   0. 18.100 /  0. 18.100
  libpostproc    52.  3.100 / 52.  3.100
[mpegts @ 0xacaf060] Failed to open codec in av_find_stream_info
    Last message repeated 1 times
[mpegts @ 0xacaf060] PES packet size mismatch
[dca @ 0xacd78c0] Not a valid DCA frame
[mpegts @ 0xacaf060] PES packet size mismatch
    Last message repeated 1 times
[dca @ 0xacd78c0] Not a valid DCA frame
[mpegts @ 0xacaf060] PES packet size mismatch
[dca @ 0xacd85c0] error decoding block
[mpegts @ 0xacaf060] PES packet size mismatch
[dca @ 0xacd78c0] error decoding block
[mpegts @ 0xacaf060] PES packet size mismatch
[dca @ 0xacd85c0] Invalid bit allocation index
[dca @ 0xacd85c0] error decoding block
[mpegts @ 0xacaf060] PES packet size mismatch
    Last message repeated 33 times
[mpegts @ 0xacaf060] probed stream 11 failed
[mpegts @ 0xacaf060] probed stream 12 failed
[mpegts @ 0xacaf060] Invalid timestamps stream=0, pts=52283080, dts=54045045, size=2370
[mpegts @ 0xacaf060] DTS 53605061 < 54056306 out of order
[dca @ 0xacd85c0] error decoding block
    Last message repeated 1 times
[dca @ 0xacd78c0] ERROR: block code look-up failed
[dca @ 0xacd78c0] error decoding block
[mpegts @ 0xacaf060] DTS discontinuity in stream 2: packet 3 with DTS 54019584, packet 4 with DTS 6496473984
[dca @ 0xacd85c0] LFEScaleIndex larger than 127 is not implemented. Update your FFmpeg version to the newest one from Git. If the problem still occurs, it means that your file has a feature which has not been implemented.
[dca @ 0xacd85c0] If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/MPlayer/incoming/ and contact the ffmpeg-devel mailing list.
[dca @ 0xacd85c0] error decoding block
[mpegts @ 0xacaf060] Invalid timestamps stream=0, pts=54086336, dts=54095254, size=35607
[dca @ 0xacd78c0] error decoding block
[dca @ 0xacd85c0] LFEScaleIndex larger than 127 is not implemented. Update your FFmpeg version to the newest one from Git. If the problem still occurs, it means that your file has a feature which has not been implemented.
[dca @ 0xacd85c0] If you want to help, upload a sample of this file to ftp://upload.ffmpeg.org/MPlayer/incoming/ and contact the ffmpeg-devel mailing list.
[dca @ 0xacd85c0] error decoding block
[dca @ 0xacd78c0] error decoding block
[dca @ 0xacd85c0] error decoding block
[mp3 @ 0xafa3140] Header missing
[mp3 @ 0xb324d40] Header missing
[mpegts @ 0xacaf060] decoding for stream 1 failed
[mpegts @ 0xacaf060] decoding for stream 2 failed
[mpegts @ 0xacaf060] decoding for stream 9 failed
[mpegts @ 0xacaf060] decoding for stream 10 failed
[NULL @ 0xacda000] start time for stream 4 is not set in estimate_timings_from_pts
[NULL @ 0xacdad80] start time for stream 5 is not set in estimate_timings_from_pts
[NULL @ 0xacdc8a0] start time for stream 7 is not set in estimate_timings_from_pts
[mpegts @ 0xacaf060] PES packet size mismatch
    Last message repeated 17 times
[mpegts @ 0xacaf060] Could not find codec parameters for stream 1 (Audio: dts ([134][0][0][0] / 0x0086), 48000 Hz, 0 channels, fltp, 1536 kb/s): unspecified number of channels
Consider increasing the value for the 'analyzeduration' and 'probesize' options
[mpegts @ 0xacaf060] Could not find codec parameters for stream 2 (Audio: dts ([134][0][0][0] / 0x0086), 48000 Hz, 0 channels, fltp, 1536 kb/s): unspecified number of channels
Consider increasing the value for the 'analyzeduration' and 'probesize' options
[mpegts @ 0xacaf060] Could not find codec parameters for stream 4 (Subtitle: hdmv_pgs_subtitle ([144][0][0][0] / 0x0090)): unspecified size
Consider increasing the value for the 'analyzeduration' and 'probesize' options
[mpegts @ 0xacaf060] Could not find codec parameters for stream 5 (Subtitle: hdmv_pgs_subtitle ([144][0][0][0] / 0x0090)): unspecified size
Consider increasing the value for the 'analyzeduration' and 'probesize' options
[mpegts @ 0xacaf060] Could not find codec parameters for stream 7 (Audio: dts ([162][0][0][0] / 0x00A2), 0 channels, fltp): unspecified sample rate
Consider increasing the value for the 'analyzeduration' and 'probesize' options
[mpegts @ 0xacaf060] Could not find codec parameters for stream 8 (Video: vc1 (VC-1 / 0x312D4356)): unspecified size
Consider increasing the value for the 'analyzeduration' and 'probesize' options
[mpegts @ 0xacaf060] Could not find codec parameters for stream 9 (Audio: mp3, 0 channels, s16p): unspecified frame size
Consider increasing the value for the 'analyzeduration' and 'probesize' options
[mpegts @ 0xacaf060] Could not find codec parameters for stream 10 (Audio: mp3, 0 channels, s16p): unspecified frame size
Consider increasing the value for the 'analyzeduration' and 'probesize' options
[mpegts @ 0xacaf060] Could not find codec parameters for stream 11 (Unknown: none): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize' options
[mpegts @ 0xacaf060] Could not find codec parameters for stream 12 (Unknown: none): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize' options
Input #0, mpegts, from 'sf_1d5644675da539e30f3c1ac570e32c77_cut.m2ts':
  Duration: 23:11:53.79, start: 600.170667, bitrate: 0 kb/s
  Program 1
    Stream #0:0[0x1011]: Video: vc1 (VC-1 / 0x312D4356), 1920x1080 [SAR 1:1 DAR 16:9], 23.98 fps, 23.98 tbr, 90k tbn, 47.95 tbc
    Stream #0:1[0x1100]: Audio: dts ([134][0][0][0] / 0x0086), 48000 Hz, 0 channels, fltp, 1536 kb/s
    Stream #0:2[0x1101]: Audio: dts ([134][0][0][0] / 0x0086), 48000 Hz, 0 channels, fltp, 1536 kb/s
    Stream #0:3[0x1102]: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, stereo, fltp, 224 kb/s
    Stream #0:4[0x1200]: Subtitle: hdmv_pgs_subtitle ([144][0][0][0] / 0x0090)
    Stream #0:5[0x1201]: Subtitle: hdmv_pgs_subtitle ([144][0][0][0] / 0x0090)
    Stream #0:6[0x1202]: Subtitle: hdmv_pgs_subtitle ([144][0][0][0] / 0x0090), 1920x1080
    Stream #0:7[0x1a00]: Audio: dts ([162][0][0][0] / 0x00A2), 0 channels, fltp
    Stream #0:8[0x1b00]: Video: vc1 (VC-1 / 0x312D4356), 23.98 tbr, 90k tbn, 90k tbc
  No Program
    Stream #0:9[0x113d]: Audio: mp3, 0 channels, s16p
    Stream #0:10[0x10b0]: Audio: mp3, 0 channels, s16p
    Stream #0:11[0xd00]: Unknown: none
    Stream #0:12[0x1911]: Unknown: none
At least one output file must be specified
==5543==
==5543== HEAP SUMMARY:
==5543==     in use at exit: 171 bytes in 5 blocks
==5543==   total heap usage: 1,486 allocs, 1,481 frees, 9,930,458 bytes allocated
==5543==
==5543== 91 (24 direct, 67 indirect) bytes in 1 blocks are definitely lost in loss record 5 of 5
==5543==    at 0x4C290FE: memalign (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==5543==    by 0x4C291A7: posix_memalign (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==5543==    by 0xD68B91: av_mallocz (mem.c:95)
==5543==    by 0xD5B8A7: av_buffer_alloc (buffer.c:47)
==5543==    by 0x5835E5: mpegts_push_data (mpegts.c:964)
==5543==    by 0x582343: handle_packet (mpegts.c:2121)
==5543==    by 0x582949: handle_packets (mpegts.c:2263)
==5543==    by 0x5829D3: mpegts_read_packet (mpegts.c:2495)
==5543==    by 0x5EDCF5: ff_read_packet (utils.c:777)
==5543==    by 0x5F029F: read_frame_internal (utils.c:1440)
==5543==    by 0x5F3E26: avformat_find_stream_info (utils.c:3175)
==5543==    by 0x475EA8: open_input_file (ffmpeg_opt.c:861)
==5543==
==5543== LEAK SUMMARY:
==5543==    definitely lost: 24 bytes in 1 blocks
==5543==    indirectly lost: 67 bytes in 2 blocks
==5543==      possibly lost: 0 bytes in 0 blocks
==5543==    still reachable: 80 bytes in 2 blocks
==5543==         suppressed: 0 bytes in 0 blocks
==5543== Reachable blocks (those to which a pointer was found) are not shown.
==5543== To see them, rerun with: --leak-check=full --show-reachable=yes
==5543==
==5543== For counts of detected and suppressed errors, rerun with: -v
==5543== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 2 from 2)

Attachments (1)

sf_1d5644675da539e30f3c1ac570e32c77_cut.m2ts (500.0 KB) - added by cehoyos 6 years ago.

Download all attachments as: .zip

Change History (3)

Changed 6 years ago by cehoyos

comment:1 Changed 6 years ago by cus

  • Analyzed by developer set
  • Cc cus@passwd.hu added
  • Owner set to cus
  • Reproduced by developer set
  • Status changed from new to open

comment:2 Changed 6 years ago by cehoyos

  • Resolution set to fixed
  • Status changed from open to closed

Fixed by Marton in 6c537510

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