[FFmpeg-trac] #6805(undetermined:new): deadlock with fuzzed file
FFmpeg
trac at avcodec.org
Sat Nov 4 00:47:37 EET 2017
#6805: 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
-------------------------------------+-------------------------------------
attached fuzzed file deadlocks ffmpeg for some longer time
{{{
(gdb) r -i ../deadlock_fuzz.mov
Starting program: /media/sdb1/ffmpeg/ffmpeg_g -i ../deadlock_fuzz.mov
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
ffmpeg version 3.4.git Copyright (c) 2000-2017 the FFmpeg developers
built with gcc 5.3.0 (Ubuntu 5.3.0-3ubuntu1~14.04) 20151204
configuration: --enable-gpl --disable-ffprobe --disable-ffserver
libavutil 56. 0.100 / 56. 0.100
libavcodec 58. 1.100 / 58. 1.100
libavformat 58. 0.102 / 58. 0.102
libavdevice 58. 0.100 / 58. 0.100
libavfilter 7. 0.101 / 7. 0.101
libswscale 5. 0.101 / 5. 0.101
libswresample 3. 0.101 / 3. 0.101
libpostproc 55. 0.100 / 55. 0.100
Program received signal SIGINT, Interrupt.
0xb7fdccb0 in ?? ()
(gdb) bt
Python Exception <class 'gdb.MemoryError'> Cannot access memory at address
0x8004:
#0 0xb7fdccb0 in ?? ()
Cannot access memory at address 0x8004
(gdb)
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/6805>
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