[FFmpeg-trac] #3858(undetermined:new): memleak on broken (encrypted) input file

[FFmpeg]

#3858: memleak on broken (encrypted) input file
-------------------------------------+-------------------------------------
               Reporter:  cehoyos    |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  normal     |              Component:
                Version:  git-       |  undetermined
  master                             |               Keywords:  leak
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 A vob file was uploaded to incoming that is interpreted as aac audio,
 FFmpeg leaks memory when trying to decode the sample.
 {{{
 $ valgrind --leak-check=full ./ffmpeg_g -i test -f null -
 ==6798== Memcheck, a memory error detector
 ==6798== Copyright (C) 2002-2012, and GNU GPL'd, by Julian Seward et al.
 ==6798== Using Valgrind-3.8.1 and LibVEX; rerun with -h for copyright info
 ==6798== Command: ./ffmpeg_g -i test -f null -
 ==6798==
 ffmpeg version N-65661-g9c712d0 Copyright (c) 2000-2014 the FFmpeg
 developers
   built on Aug 15 2014 20:24:46 with gcc 4.8 (SUSE Linux)
   configuration: --enable-gpl
   libavutil      54.  3.100 / 54.  3.100
   libavcodec     56.  0.101 / 56.  0.101
   libavformat    56.  1.100 / 56.  1.100
   libavdevice    56.  0.100 / 56.  0.100
   libavfilter     5.  0.100 /  5.  0.100
   libswscale      3.  0.100 /  3.  0.100
   libswresample   1.  0.100 /  1.  0.100
   libpostproc    53.  0.100 / 53.  0.100
 [aac @ 0x9c87820] Format aac detected only with low score of 1,
 misdetection possible!
 [aac @ 0x9c9a3e0] channel element 3.7 is not allocated
 [aac @ 0x9c9a3e0] More than one AAC RDB per ADTS frame 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.
 [aac @ 0x9c9a3e0] channel element 3.13 is not allocated
 [aac @ 0x9c87820] decoding for stream 0 failed
 [aac @ 0x9c87820] Estimating duration from bitrate, this may be inaccurate
 [aac @ 0x9c87820] Could not find codec parameters for stream 0 (Audio:
 aac, 3.0, fltp, 442 kb/s): unspecified sample rate
 Consider increasing the value for the 'analyzeduration' and 'probesize'
 options
 test: could not find codec parameters
 Input #0, aac, from 'test':
   Duration: 00:00:00.01, bitrate: 442 kb/s
     Stream #0:0: Audio: aac, 3.0, fltp, 442 kb/s
 [abuffer @ 0x9d93b60] Value inf for parameter 'time_base' out of range [0
 - 2.14748e+09]
     Last message repeated 3 times
 [abuffer @ 0x9d93b60] Error setting option time_base to value 1/0.
 [graph 0 input from stream 0:0 @ 0x9d939e0] Error applying options to the
 filter.
 Error opening filters!
 ==6798==
 ==6798== HEAP SUMMARY:
 ==6798==     in use at exit: 144 bytes in 4 blocks
 ==6798==   total heap usage: 323 allocs, 319 frees, 1,179,645 bytes
 allocated
 ==6798==
 ==6798== 32 bytes in 1 blocks are definitely lost in loss record 1 of 4
 ==6798==    at 0x4C29E00: memalign (in /usr/lib64/valgrind
 /vgpreload_memcheck-amd64-linux.so)
 ==6798==    by 0x4C29F27: posix_memalign (in /usr/lib64/valgrind
 /vgpreload_memcheck-amd64-linux.so)
 ==6798==    by 0xCC94EF: av_mallocz (mem.c:95)
 ==6798==    by 0x49B6AD: link_filter_inouts (graphparser.c:239)
 ==6798==    by 0x49BDBE: avfilter_graph_parse2 (graphparser.c:410)
 ==6798==    by 0x4794F9: configure_filtergraph (ffmpeg_filter.c:888)
 ==6798==    by 0x47FD42: transcode_init (ffmpeg.c:2691)
 ==6798==    by 0x466D1C: main (ffmpeg.c:3646)
 ==6798==
 ==6798== 32 bytes in 1 blocks are definitely lost in loss record 2 of 4
 ==6798==    at 0x4C29E00: memalign (in /usr/lib64/valgrind
 /vgpreload_memcheck-amd64-linux.so)
 ==6798==    by 0x4C29F27: posix_memalign (in /usr/lib64/valgrind
 /vgpreload_memcheck-amd64-linux.so)
 ==6798==    by 0xCC94EF: av_mallocz (mem.c:95)
 ==6798==    by 0x49B610: link_filter_inouts (graphparser.c:264)
 ==6798==    by 0x49BDBE: avfilter_graph_parse2 (graphparser.c:410)
 ==6798==    by 0x4794F9: configure_filtergraph (ffmpeg_filter.c:888)
 ==6798==    by 0x47FD42: transcode_init (ffmpeg.c:2691)
 ==6798==    by 0x466D1C: main (ffmpeg.c:3646)
 ==6798==
 ==6798== LEAK SUMMARY:
 ==6798==    definitely lost: 64 bytes in 2 blocks
 ==6798==    indirectly lost: 0 bytes in 0 blocks
 ==6798==      possibly lost: 0 bytes in 0 blocks
 ==6798==    still reachable: 80 bytes in 2 blocks
 ==6798==         suppressed: 0 bytes in 0 blocks
 ==6798== Reachable blocks (those to which a pointer was found) are not
 shown.
 ==6798== To see them, rerun with: --leak-check=full --show-reachable=yes
 ==6798==
 ==6798== For counts of detected and suppressed errors, rerun with: -v
 ==6798== ERROR SUMMARY: 2 errors from 2 contexts (suppressed: 2 from 2)
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/3858>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker