[FFmpeg-trac] #1359(avcodec:open): some crashers

[FFmpeg]

#1359: some crashers
------------------------------------+-----------------------------------
             Reporter:  ami_stuff   |                    Owner:
                 Type:  defect      |                   Status:  open
             Priority:  important   |                Component:  avcodec
              Version:  git-master  |               Resolution:
             Keywords:  cdg         |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
------------------------------------+-----------------------------------
Changes (by cehoyos):

 * keywords:   => cdg
 * priority:  normal => important
 * status:  new => open
 * component:  undetermined => avcodec
 * version:  unspecified => git-master


Comment:

 {{{
 $ valgrind ./ffmpeg_g -vcodec cdgraphics -i blox.avi -f null -
 ==20150== Memcheck, a memory error detector.
 ==20150== Copyright (C) 2002-2007, and GNU GPL'd, by Julian Seward et al.
 ==20150== Using LibVEX rev 1732, a library for dynamic binary translation.
 ==20150== Copyright (C) 2004-2007, and GNU GPL'd, by OpenWorks LLP.
 ==20150== Using valgrind-3.2.3, a dynamic binary instrumentation
 framework.
 ==20150== Copyright (C) 2000-2007, and GNU GPL'd, by Julian Seward et al.
 ==20150== For more details, rerun with: -v
 ==20150==
 ffmpeg version N-41080-g394b692 Copyright (c) 2000-2012 the FFmpeg
 developers
   built on May 28 2012 14:04:27 with gcc 4.3.2
   configuration: --cc=/usr/local/gcc-4.3.2/bin/gcc --enable-gpl --enable-
 libopenjpeg --enable-libvorbis --enable-libspeex --enable-libmp3lame
 --enable-libtheora --extra-ldflags=-lm --enable-libvpx --enable-libxavs
   libavutil      51. 55.100 / 51. 55.100
   libavcodec     54. 23.100 / 54. 23.100
   libavformat    54.  6.101 / 54.  6.101
   libavdevice    54.  0.100 / 54.  0.100
   libavfilter     2. 77.100 /  2. 77.100
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0. 15.100 /  0. 15.100
   libpostproc    52.  0.100 / 52.  0.100
 Input #0, avi, from 'blox.avi':
   Duration: 00:00:12.64, start: 0.000000, bitrate: 788 kb/s
     Stream #0:0: Video: cdgraphics (BLOX / 0x584F4C42), pal8, 300x216,
 23.97 tbr, 23.97 tbn, 23.97 tbc
 [buffer @ 0x46913e0] w:300 h:216 pixfmt:pal8 tb:100/2397 sar:0/1
 sws_param:flags=2
 [buffersink @ 0x4691940] No opaque field provided
 Output #0, null, to 'pipe:':
   Metadata:
     encoder         : Lavf54.6.101
     Stream #0:0: Video: rawvideo, pal8, 300x216, q=2-31, 200 kb/s, 90k
 tbn, 23.97 tbc
 Stream mapping:
   Stream #0:0 -> #0:0 (cdgraphics -> rawvideo)
 Press [q] to stop, [?] for help
 ==20150== Invalid write of size 4
 ==20150==    at 0x81EA4A2: cdg_decode_frame (cdgraphics.c:352)
 ==20150==  Address 0xB283639C is not stack'd, malloc'd or (recently)
 free'd
 ==20150==
 ==20150== Process terminating with default action of signal 11 (SIGSEGV)
 ==20150==  Access not within mapped region at address 0xB283639C
 ==20150==    at 0x81EA4A2: cdg_decode_frame (cdgraphics.c:352)
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1359#comment:1>
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