[FFmpeg-trac] #5497(undetermined:new): dff: deadlock with fuzzed file

[FFmpeg]

#5497: dff: deadlock with fuzzed file
-------------------------------------+-------------------------------------
               Reporter:  ami_stuff  |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  normal     |              Component:
                Version:             |  undetermined
  unspecified                        |               Keywords:
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 https://www.datafilehost.com/d/17d49688

 {{{
 (gdb) r -i cut_deadlock_fuzz.dff
 Starting program: /media/sdb1/ffmpeg/ffmpeg_g -i cut_deadlock_fuzz.dff
 [Thread debugging using libthread_db enabled]
 Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
 ffmpeg version 3.0.git Copyright (c) 2000-2016 the FFmpeg developers
   built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04.1)
   configuration: --enable-gpl --disable-ffprobe --disable-ffplay
 --disable-ffserver
   libavutil      55. 23.100 / 55. 23.100
   libavcodec     57. 38.100 / 57. 38.100
   libavformat    57. 34.103 / 57. 34.103
   libavdevice    57.  0.101 / 57.  0.101
   libavfilter     6. 44.100 /  6. 44.100
   libswscale      4.  1.100 /  4.  1.100
   libswresample   2.  0.101 /  2.  0.101
   libpostproc    54.  0.100 / 54.  0.100

 Program received signal SIGINT, Interrupt.
 avio_seek (s=s at entry=0x9745a20, offset=<optimized out>,
 whence=whence at entry=1)
     at libavformat/aviobuf.c:228
 228         if (whence != SEEK_CUR && whence != SEEK_SET)
 (gdb) bt
 #0  avio_seek (s=s at entry=0x9745a20, offset=<optimized out>,
     whence=whence at entry=1) at libavformat/aviobuf.c:228
 #1  0x0821a287 in avio_skip (s=s at entry=0x9745a20, offset=0)
     at libavformat/aviobuf.c:289
 #2  0x0825ab2f in parse_dsd_prop (eof=8796093022360, st=0x973d9e0,
 s=0x973d1a0)
     at libavformat/iff.c:333
 #3  iff_read_header (s=0x973d1a0) at libavformat/iff.c:564
 #4  0x0834960d in avformat_open_input (ps=ps at entry=0xbfffeccc,
     filename=filename at entry=0xbffff33c "cut_deadlock_fuzz.dff",
     fmt=fmt at entry=0x0, options=0x973d0ec) at libavformat/utils.c:552
 #5  0x080d63a5 in open_input_file (o=o at entry=0xbfffed7c,
     filename=<optimized out>) at ffmpeg_opt.c:949
 #6  0x080da66b in open_files (inout=0x8c73202 "input",
     open_file=0x80d4a80 <open_input_file>, l=<optimized out>,
     l=<optimized out>) at ffmpeg_opt.c:3003
 #7  ffmpeg_parse_options (argc=argc at entry=3, argv=argv at entry=0xbffff144)
     at ffmpeg_opt.c:3040
 #8  0x080c8c5a in main (argc=3, argv=0xbffff144) at ffmpeg.c:4321
 (gdb)
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/5497>
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