[FFmpeg-trac] #5139(undetermined:closed): memory leak when invalid data is found processing input

[FFmpeg]

#5139: memory leak when invalid data is found processing input
-------------------------------------+-------------------------------------
             Reporter:  tsmith       |                    Owner:
                 Type:  defect       |                   Status:  closed
             Priority:  normal       |                Component:
              Version:  git-master   |  undetermined
             Keywords:  h264 leak    |               Resolution:
             Blocking:               |  worksforme
Analyzed by developer:  0            |               Blocked By:
                                     |  Reproduced by developer:  0
-------------------------------------+-------------------------------------
Changes (by cehoyos):

 * status:  new => closed
 * resolution:   => worksforme


Comment:

 Please reopen if I miss something.
 {{{
 $ valgrind ffmpeg_g -f ivf -i test_case.ivf -f null -
 ==30399== Memcheck, a memory error detector
 ==30399== Copyright (C) 2002-2011, and GNU GPL'd, by Julian Seward et al.
 ==30399== Using Valgrind-3.7.0 and LibVEX; rerun with -h for copyright
 info
 ==30399== Command: ffmpeg_g -f ivf -i test_case.ivf -f null -
 ==30399==
 ffmpeg version N-77727-gf4c1a48 Copyright (c) 2000-2016 the FFmpeg
 developers
   built with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl
   libavutil      55. 12.100 / 55. 12.100
   libavcodec     57. 22.100 / 57. 22.100
   libavformat    57. 21.101 / 57. 21.101
   libavdevice    57.  0.100 / 57.  0.100
   libavfilter     6. 23.100 /  6. 23.100
   libswscale      4.  0.100 /  4.  0.100
   libswresample   2.  0.101 /  2.  0.101
   libpostproc    54.  0.100 / 54.  0.100
 st:0 has too large timebase, reducing
 Truncating packet of size 1175257088 to 34917
 [h264 @ 0xb721fa0] sps_id 32 out of range
 [h264 @ 0xb721fa0] FMO not supported
 [h264 @ 0xb721fa0] sps_id 32 out of range
     Last message repeated 1 times
 [h264 @ 0xb721fa0] Truncating likely oversized SPS
 [h264 @ 0xb721fa0] sps_id 32 out of range
     Last message repeated 1 times
 [h264 @ 0xb721fa0] FMO not supported
 [h264 @ 0xb721fa0] sps_id 32 out of range
 [h264 @ 0xb721fa0] Truncating likely oversized SPS
 [h264 @ 0xb721fa0] sps_id 32 out of range
     Last message repeated 1 times
 [h264 @ 0xb721fa0] Missing reference picture, default is 0
     Last message repeated 2 times
 [h264 @ 0xb721fa0] co located POCs unavailable
 [h264 @ 0xb721fa0] error while decoding MB 86 3, bytestream -11
 [h264 @ 0xb721fa0] non-existing SPS 0 referenced in buffering period
 [h264 @ 0xb721fa0] number of reference frames (0+3) exceeds max (2;
 probably corrupt input), discarding one
 [h264 @ 0xb721fa0] concealing 258 DC, 258 AC, 258 MV errors in B frame
 [ivf @ 0xb7187a0] decoding for stream 0 failed
 Input #0, ivf, from 'test_case.ivf':
   Duration: -404950:-11:-49.57, bitrate: N/A
     Stream #0:0: Video: h264 (CAVLC 4:4:4) (V264 / 0x34363256), yuv444p,
 1566x94, 278.66 tbr, 278.66 tbn, 557.33 tbc
 Output #0, null, to 'pipe:':
     Stream #0:0: Video: wrapped_avframe, yuv444p, 1566x94, q=2-31, 200
 kb/s, 278.66 fps, 278.66 tbn, 278.66 tbc
     Metadata:
       encoder         : Lavc57.22.100 wrapped_avframe
 Stream mapping:
   Stream #0:0 -> #0:0 (h264 (native) -> wrapped_avframe (native))
 Error while opening decoder for input stream #0:0 : Invalid data found
 when processing input
 ==30399==
 ==30399== HEAP SUMMARY:
 ==30399==     in use at exit: 48 bytes in 1 blocks
 ==30399==   total heap usage: 1,263 allocs, 1,262 frees, 4,224,114 bytes
 allocated
 ==30399==
 ==30399== LEAK SUMMARY:
 ==30399==    definitely lost: 0 bytes in 0 blocks
 ==30399==    indirectly lost: 0 bytes in 0 blocks
 ==30399==      possibly lost: 0 bytes in 0 blocks
 ==30399==    still reachable: 48 bytes in 1 blocks
 ==30399==         suppressed: 0 bytes in 0 blocks
 ==30399== Rerun with --leak-check=full to see details of leaked memory
 ==30399==
 ==30399== For counts of detected and suppressed errors, rerun with: -v
 ==30399== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 2 from 2)
 }}}

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Ticket URL: <https://trac.ffmpeg.org/ticket/5139#comment:3>
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