[FFmpeg-trac] #5562(undetermined:new): IFF ANIM: deadlock with fuzzed ANIM-J

[FFmpeg]

#5562: IFF ANIM: deadlock with fuzzed ANIM-J
-------------------------------------+-------------------------------------
               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 74_D_deadlock_fuzz.anim -f null -
 Starting program: /media/sdb1/ffmpeg/ffmpeg_g -i 74_D_deadlock_fuzz.anim
 -f null -
 [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 5.3.0 (Ubuntu 5.3.0-3ubuntu1~14.04) 20151204
   configuration: --enable-debug --disable-ffprobe --disable-ffserver
   libavutil      55. 24.100 / 55. 24.100
   libavcodec     57. 41.102 / 57. 41.102
   libavformat    57. 36.100 / 57. 36.100
   libavdevice    57.  0.101 / 57.  0.101
   libavfilter     6. 45.100 /  6. 45.100
   libswscale      4.  1.100 /  4.  1.100
   libswresample   2.  0.101 /  2.  0.101
 Input #0, iff, from '74_D_deadlock_fuzz.anim':
   Duration: N/A, bitrate: N/A
     Stream #0:0: Video: iff_ilbm (ANIM / 0x4D494E41), rgb0, 320x200, SAR
 10:11 DAR 16:11, 30 fps, 60 tbr, 60 tbn
 [null @ 0x98034a0] Using AVStream.codec to pass codec parameters to muxers
 is deprecated, use AVStream.codecpar instead.
 Output #0, null, to 'pipe:':
   Metadata:
     encoder         : Lavf57.36.100
     Stream #0:0: Video: wrapped_avframe, rgb0, 320x200 [SAR 10:11 DAR
 16:11], q=2-31, 200 kb/s, 60 fps, 60 tbn
     Metadata:
       encoder         : Lavc57.41.102 wrapped_avframe
 Stream mapping:
   Stream #0:0 -> #0:0 (iff_ilbm (iff) -> wrapped_avframe (native))
 Press [q] to stop, [?] for help

 Program received signal SIGINT, Interrupt.
 decode_delta_j (h=<optimized out>, dst_size=1536000, bpp=6, w=<optimized
 out>,
     buf_end=0x98539de "", buf=<optimized out>, dst=0xb7bda020
 "\b\263\b\247")
     at libavcodec/iff.c:908
 908                                 noffset++;
 (gdb) Quit
 (gdb) bt
 #0  decode_delta_j (h=<optimized out>, dst_size=1536000, bpp=6,
     w=<optimized out>, buf_end=0x98539de "", buf=<optimized out>,
     dst=0xb7bda020 "\b\263\b\247") at libavcodec/iff.c:908
 #1  decode_frame (avctx=0x9803040, data=0x9853ac0, got_frame=0xbfffead0,
     avpkt=0xbfffe8ac) at libavcodec/iff.c:1536
 #2  0x087171ee in avcodec_decode_video2 (avctx=0x9803040,
 picture=0x9853ac0,
     got_picture_ptr=0xbfffead0, avpkt=0xbfffeb14) at
 libavcodec/utils.c:2217
 #3  0x080d95c1 in decode_video (ist=ist at entry=0x9802c20,
     pkt=pkt at entry=0xbfffeb14, got_output=got_output at entry=0xbfffead0)
     at ffmpeg.c:2087
 #4  0x080dbfc0 in process_input_packet (ist=0x9802c20, pkt=0xbfffed44,
     no_eof=0) at ffmpeg.c:2340
 #5  0x080bb596 in process_input (file_index=<optimized out>) at
 ffmpeg.c:4014
 #6  transcode_step () at ffmpeg.c:4102
 #7  transcode () at ffmpeg.c:4156
 #8  main (argc=<optimized out>, argv=<optimized out>) at ffmpeg.c:4349
 (gdb)
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/5562>
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