[FFmpeg-trac] #689(avcodec:closed): invalid reads in iff.c

[FFmpeg]

#689: invalid reads in iff.c
------------------------------------+-----------------------------------
             Reporter:  ami_stuff   |                    Owner:
                 Type:  defect      |                   Status:  closed
             Priority:  normal      |                Component:  avcodec
              Version:  git-master  |               Resolution:  fixed
             Keywords:  iff ffplay  |               Blocked By:
             Blocking:              |  Reproduced by developer:  1
Analyzed by developer:  0           |
------------------------------------+-----------------------------------

Comment (by ami_stuff):

 FFplay crashes with attached IFF-PBM file (HAM8 mode).

 {{{
 C:\>ffmpeg -i 2_pbm.iff
 ffmpeg version N-36890-g67f5650 Copyright (c) 2000-2012 the FFmpeg
 developers
   built on Jan 16 2012 21:57:13 with gcc 4.6.2
   configuration: --enable-gpl --enable-version3 --disable-w32threads
 --enable-ru
 ntime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r --enable-
 libope
 ncore-amrnb --enable-libopencore-amrwb --enable-libfreetype --enable-
 libgsm --en
 able-libmp3lame --enable-libopenjpeg --enable-librtmp --enable-
 libschroedinger -
 -enable-libspeex --enable-libtheora --enable-libvo-aacenc --enable-libvo-
 amrwben
 c --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs
 --enable-
 libxvid --enable-zlib
   libavutil      51. 34.100 / 51. 34.100
   libavcodec     53. 56.105 / 53. 56.105
   libavformat    53. 30.100 / 53. 30.100
   libavdevice    53.  4.100 / 53.  4.100
   libavfilter     2. 59.100 /  2. 59.100
   libswscale      2.  1.100 /  2.  1.100
   libswresample   0.  6.100 /  0.  6.100
   libpostproc    51.  2.100 / 51.  2.100
 [IFF @ 020F2320] Estimating duration from bitrate, this may be inaccurate
 Input #0, IFF, from '2_pbm.iff':
   Metadata:
     comment         : $VER: Written by ASDG's Art Department Professional
 IFF3.0
 .1 (03.19.93)
   Duration: N/A, bitrate: N/A
     Stream #0:0: Video: iff_byterun1 (PBM  / 0x204D4250), rgba, 628x512,
 SAR 22:
 22 DAR 157:128, 90k tbr, 90k tbn, 90k tbc
 At least one output file must be specified
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/689#comment:7>
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