[FFmpeg-trac] #3868(undetermined:new): wav: deadlock (fuzzed file)

[FFmpeg]

#3868: wav: deadlock (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
-------------------------------------+-------------------------------------
 {{{
 (gdb) r -i dead2.wav
 Starting program: /media/sdb1/ffmpeg-snapshot/ffmpeg_g -i dead2.wav
 [Thread debugging using libthread_db enabled]
 Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
 ffmpeg version 2.3.git Copyright (c) 2000-2014 the FFmpeg developers
   built on Aug 14 2014 23:56:56 with gcc 4.7 (Debian 4.7.2-5)
   configuration: --disable-yasm --enable-gpl --disable-ffserver --disable-
 ffprobe
   libavutil      54.  3.100 / 54.  3.100
   libavcodec     56.  0.101 / 56.  0.101
   libavformat    56.  1.100 / 56.  1.100
   libavdevice    56.  0.100 / 56.  0.100
   libavfilter     5.  0.100 /  5.  0.100
   libswscale      3.  0.100 /  3.  0.100
   libswresample   1.  0.100 /  1.  0.100
   libpostproc    53.  0.100 / 53.  0.100

 Program received signal SIGINT, Interrupt.
 0x0807359e in freq2bark (freq=11919512.1328125) at libavcodec/imc.c:123
 123         return 3.5 * atan((freq / 7500.0) * (freq / 7500.0)) + 13.0 *
 atan(freq * 0.00076);
 (gdb) bt
 #0  0x0807359e in freq2bark (freq=11919512.1328125) at
 libavcodec/imc.c:123
 #1  0x080736c0 in iac_generate_tabs (q=0x93b0160, sampling_rate=0)
     at libavcodec/imc.c:150
 #2  0x08073ab1 in imc_decode_init (avctx=0x93afb40) at
 libavcodec/imc.c:238
 #3  0x08743bee in avcodec_open2 (avctx=0x93afb40,
 codec=codec at entry=0x8d239e0,
     options=0x93a8420) at libavcodec/utils.c:1539
 #4  0x08290fe6 in avformat_find_stream_info (ic=0x93af340,
 options=0x93a8420)
     at libavformat/utils.c:3014
 #5  0x080be3de in open_input_file (o=o at entry=0xbffff54c,
     filename=<optimized out>) at ffmpeg_opt.c:888
 #6  0x080b7d17 in open_files (inout=inout at entry=0x8a76cfb "input",
     open_file=open_file at entry=0x80bdf90 <open_input_file>,
     l=<error reading variable: Unhandled dwarf expression opcode 0xfa>,
     l=<error reading variable: Unhandled dwarf expression opcode 0xfa>)
     at ffmpeg_opt.c:2670
 #7  0x080bff09 in ffmpeg_parse_options (argc=argc at entry=3,
     argv=argv at entry=0xbffff9f4) at ffmpeg_opt.c:2707
 #8  0x080af43a in main (argc=3, argv=0xbffff9f4) at ffmpeg.c:3824
 (gdb)
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/3868>
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