[FFmpeg-trac] #4296(undetermined:new): Segfault when transcoding MLV file

[FFmpeg]

#4296: Segfault when transcoding MLV file
-------------------------------------+-------------------------------------
             Reporter:  sgofferj     |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:               |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Segfault occurs already when just inputting file. Unfortunately, the
 static build package does not contain ffmpeg_g, so gdb is not possible.
 I'll try to upload the file to the ftp. If it is to big, I will update the
 ticket with a download link.

 sgofferj at enterprise:~$ uname -a
 Linux enterprise 3.13.0-45-generic #74-Ubuntu SMP Tue Jan 13 19:36:28 UTC
 2015 x86_64 x86_64 x86_64 GNU/Linux

 sgofferj at enterprise:~$ ffmpeg/ffmpeg -v 9 -loglevel 99 -i
 100CANON/M04-2027.MLV
 ffmpeg version N-44018-g77f326d-   http://johnvansickle.com/ffmpeg/
 Copyright (c) 2000-2015 the FFmpeg developers
   built with gcc 4.9.2 (Debian 4.9.2-10)
   configuration: --enable-gpl --enable-version3 --disable-shared
 --disable-debug --enable-runtime-cpudetect --enable-libmp3lame --enable-
 libx264 --enable-libx265 --enable-libwebp --enable-libspeex --enable-
 libvorbis --enable-libvpx --enable-libfreetype --enable-fontconfig
 --enable-libxvid --enable-libopencore-amrnb --enable-libopencore-amrwb
 --enable-libtheora --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-
 gray --enable-libopenjpeg --enable-libopus --enable-libass --enable-gnutls
 --enable-libvidstab --cc=gcc-4.9
   libavutil      54. 18.100 / 54. 18.100
   libavcodec     56. 21.102 / 56. 21.102
   libavformat    56. 19.100 / 56. 19.100
   libavdevice    56.  4.100 / 56.  4.100
   libavfilter     5.  9.103 /  5.  9.103
   libswscale      3.  1.101 /  3.  1.101
   libswresample   1.  1.100 /  1.  1.100
   libpostproc    53.  3.100 / 53.  3.100
 Splitting the commandline.
 Reading option '-v' ... matched as option 'v' (set logging level) with
 argument '9'.
 Reading option '-loglevel' ... matched as option 'loglevel' (set logging
 level) with argument '99'.
 Reading option '-i' ... matched as input file with argument
 '100CANON/M04-2027.MLV'.
 Finished splitting the commandline.
 Parsing a group of options: global .
 Applying option v (set logging level) with argument 9.
 Successfully parsed a group of options.
 Parsing a group of options: input file 100CANON/M04-2027.MLV.
 Successfully parsed a group of options.
 Opening an input file: 100CANON/M04-2027.MLV.
 [mlv @ 0x3caaf80] Format mlv probed with size=2048 and score=100
 Ignoring attempt to set invalid timebase 1/0 for st:1
 st:0 removing common factor 2 from timebase
 Segmentation fault (core dumped)

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Ticket URL: <https://trac.ffmpeg.org/ticket/4296>
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