#3188: vp9 crash (fuzzed input, MT regression)
-------------------------------------+-------------------------------------
Reporter: ubitux | Owner:
Type: defect | Status: reopened
Priority: important | Component: avcodec
Version: git-master | Resolution:
Keywords: vp9 | Blocked By:
regression crash SIGSEGV | Reproduced by developer: 1
Blocking: |
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Comment (by cehoyos):
Replying to [comment:3 ubitux]:
> Another crash, with same commit as regression.
Works fine here with the version you originally tested:
{{{
$ valgrind ffmpeg_g -f ivf -c:v vp9 -i fuzzed1.ivf -f null -
==29720== Memcheck, a memory error detector
==29720== Copyright (C) 2002-2011, and GNU GPL'd, by Julian Seward et al.
==29720== Using Valgrind-3.7.0 and LibVEX; rerun with -h for copyright
info
==29720== Command: ffmpeg_g -f ivf -c:v vp9 -i fuzzed1.ivf -f null -
==29720==
ffmpeg version N-59315-gacafbb4 Copyright (c) 2000-2013 the FFmpeg
developers
built on Jan 8 2014 23:58:04 with gcc 4.7 (SUSE Linux)
configuration: --enable-gpl
libavutil 52. 59.100 / 52. 59.100
libavcodec 55. 46.100 / 55. 46.100
libavformat 55. 22.100 / 55. 22.100
libavdevice 55. 5.102 / 55. 5.102
libavfilter 4. 0.100 / 4. 0.100
libswscale 2. 5.101 / 2. 5.101
libswresample 0. 17.104 / 0. 17.104
libpostproc 52. 3.100 / 52. 3.100
Input #0, ivf, from 'fuzzed1.ivf':
Duration: 00:08:42.22, start: 342228469.800797, bitrate: 31 kb/s
Stream #0:0: Video: vp9 (VP90 / 0x30395056), yuv420p, 320x180, 26.42
tbr, 1004 tbn, 1004 tbc
Output #0, null, to 'pipe:':
Metadata:
encoder : Lavf55.22.100
Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 320x180,
q=2-31, 200 kb/s, 90k tbn, 26.42 tbc
Stream mapping:
Stream #0:0 -> #0:0 (vp9 -> rawvideo)
Press [q] to stop, [?] for help
DTS -17592186044376, next:996 st:0 invalid dropping
PTS -17592186044376, next:996 invalid dropping st:0
DTS -17592186044336, next:1992 st:0 invalid dropping
PTS -17592186044336, next:1992 invalid dropping st:0
DTS -17592186044296, next:2988 st:0 invalid dropping
PTS -17592186044296, next:2988 invalid dropping st:0
DTS -17592186044256, next:3984 st:0 invalid dropping
PTS -17592186044256, next:3984 invalid dropping st:0
DTS -17592186043192, next:4980 st:0 invalid droppingbitrate=N/A
PTS -17592186043192, next:4980 invalid dropping st:0
DTS -17592186044176, next:5976 st:0 invalid droppingbitrate=N/A
PTS -17592186044176, next:5976 invalid dropping st:0
DTS -17592152489704, next:6972 st:0 invalid dropping
PTS -17592152489704, next:6972 invalid dropping st:0
[vp9 @ 0xc083b00] Invalid sync code
DTS -17592186044096, next:7968 st:0 invalid dropping
PTS -17592186044096, next:7968 invalid dropping st:0
[vp9 @ 0xc092700] Not all references are available
[null @ 0x773a660] Encoder did not produce proper pts, making some up.
Input stream #0:0 frame changed from size:320x180 fmt:yuv420p to
size:320x8372 fmt:yuv420p
[vp9 @ 0xc0a12e0] Marker bit was set
Input stream #0:0 frame changed from size:320x8372 fmt:yuv420p to
size:320x180 fmt:yuv420p
frame= 2 fps=0.7 q=0.0 Lsize=N/A time=00:00:00.07 bitrate=N/A N/A
video:0kB audio:0kB subtitle:0 global headers:0kB muxing overhead
-111.458333%
==29720==
==29720== HEAP SUMMARY:
==29720== in use at exit: 80 bytes in 2 blocks
==29720== total heap usage: 8,112 allocs, 8,110 frees, 19,936,539 bytes
allocated
==29720==
==29720== LEAK SUMMARY:
==29720== definitely lost: 0 bytes in 0 blocks
==29720== indirectly lost: 0 bytes in 0 blocks
==29720== possibly lost: 0 bytes in 0 blocks
==29720== still reachable: 80 bytes in 2 blocks
==29720== suppressed: 0 bytes in 0 blocks
==29720== Rerun with --leak-check=full to see details of leaked memory
==29720==
==29720== For counts of detected and suppressed errors, rerun with: -v
==29720== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 2 from 2)
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/3188#comment:4>
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