[FFmpeg-trac] #3098(undetermined:new): thp: deadlock with fuzzed file
FFmpeg
trac at avcodec.org
Wed Oct 30 21:02:43 CET 2013
#3098: thp: 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
-------------------------------------+-------------------------------------
http://www1.datafilehost.com/d/20e9852c
{{{
(gdb) r -threads 1 -i ./fuzz.thp -f null -
The program being debugged has been started already.
Start it from the beginning? (y or n) y
Starting program: /media/sdb1/ffmpeg-HEAD-da30d0c/ffmpeg_g -threads 1 -i
./fuzz.thp -f null -
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
ffmpeg version 2.0-da30d0c Copyright (c) 2000-2013 the FFmpeg developers
built on Oct 22 2013 14:57:21 with gcc 4.7 (Debian 4.7.2-5)
configuration: --disable-yasm --disable-ffprobe --disable-ffserver
--enable-gpl
libavutil 52. 47.101 / 52. 47.101
libavcodec 55. 37.102 / 55. 37.102
libavformat 55. 19.103 / 55. 19.103
libavdevice 55. 4.100 / 55. 4.100
libavfilter 3. 89.100 / 3. 89.100
libswscale 2. 5.101 / 2. 5.101
libswresample 0. 17.104 / 0. 17.104
libpostproc 52. 3.100 / 52. 3.100
[thp @ 0x91b56a0] mjpeg_decode_dc: bad vlc: 0:0 (0x91b66a8)
[thp @ 0x91b56a0] error dc
[thp @ 0x91b56a0] error y=29 x=31
[thp @ 0x91b4dc0] DTS discontinuity in stream 1: packet 15 with DTS
9223090561878081195, packet 16 with DTS 9223090562951824083
Guessed Channel Layout for Input Stream #0.1 : stereo
Input #0, thp, from './fuzz.thp':
Duration: 00:00:12.78, bitrate: 6254 kb/s
Stream #0:0: Video: thp, yuvj420p(pc), 640x480, 29.97 fps, 29.97 tbr,
29.97 tbn, 29.97 tbc
Stream #0:1: Audio: adpcm_thp, 32000 Hz, stereo, s16p
[New Thread 0xb7df8b70 (LWP 20816)]
[New Thread 0xb75f8b70 (LWP 20826)]
[New Thread 0xb6df8b70 (LWP 20827)]
[New Thread 0xb65f8b70 (LWP 20828)]
[New Thread 0xb5df8b70 (LWP 20831)]
[New Thread 0xb55f8b70 (LWP 20851)]
[New Thread 0xb4df8b70 (LWP 20886)]
[New Thread 0xb45f8b70 (LWP 20887)]
[New Thread 0xb3df8b70 (LWP 20888)]
[New Thread 0xb35f8b70 (LWP 20889)]
[New Thread 0xb2df8b70 (LWP 20891)]
[New Thread 0xb25f8b70 (LWP 20892)]
[New Thread 0xb1df8b70 (LWP 20894)]
[New Thread 0xb15f8b70 (LWP 20934)]
[New Thread 0xb0df8b70 (LWP 20945)]
[New Thread 0xb05f8b70 (LWP 20946)]
[New Thread 0xafdf8b70 (LWP 20947)]
[New Thread 0xaf5f8b70 (LWP 20985)]
Output #0, null, to 'pipe:':
Metadata:
encoder : Lavf55.19.103
Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuvj420p, 640x480,
q=2-31, 200 kb/s, 90k tbn, 29.97 tbc
Stream #0:1: Audio: pcm_s16le, 32000 Hz, stereo, s16, 1024 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (thp -> rawvideo)
Stream #0:1 -> #0:1 (adpcm_thp -> pcm_s16le)
Press [q] to stop, [?] for help
[thp @ 0x91b56a0] mjpeg_decode_dc: bad vlc: 0:0 (0x91b75a8)
[thp @ 0x91b56a0] error dc
[thp @ 0x91b56a0] error y=29 x=31
[null @ 0x91c6120] Encoder did not produce proper pts, making some up.
[thp @ 0x91b56a0] mjpeg_decode_dc: bad vlc: 0:0 (0x91b75a8)
[thp @ 0x91b56a0] error dc
[thp @ 0x91b56a0] error y=29 x=34
[thp @ 0x91b56a0] mjpeg_decode_dc: bad vlc: 0:0 (0x91b75a8)
[thp @ 0x91b56a0] error dc
[thp @ 0x91b56a0] error y=29 x=27
[thp @ 0x91b56a0] mjpeg_decode_dc: bad vlc: 0:0 (0x91b75a8)
[thp @ 0x91b56a0] error dc
[thp @ 0x91b56a0] error y=28 x=35
[thp @ 0x91b56a0] overread 8
[thp @ 0x91b56a0] EOI missing, emulating
[thp @ 0x91b56a0] overread 8
[thp @ 0x91b56a0] EOI missing, emulating
[thp @ 0x91b56a0] mjpeg_decode_dc: bad vlc: 0:0 (0x91b75a8)
[thp @ 0x91b56a0] error dc
[thp @ 0x91b56a0] error y=29 x=31
[thp @ 0x91b56a0] huffman table decode error
[...]
[thp @ 0x91b56a0] overread 8
[thp @ 0x91b56a0] EOI missing, emulating
[thp @ 0x91b56a0] mjpeg_decode_dc: bad vlc: 0:0 (0x91b75a8)
[thp @ 0x91b56a0] error dc
[thp @ 0x91b56a0] error y=21 x=16
[thp @ 0x91b56a0] overread 8
[thp @ 0x91b56a0] EOI missing, emulating
[thp @ 0x91b56a0] mjpeg_decode_dc: bad vlc: 0:0 (0x91b75a8)
[thp @ 0x91b56a0] error dc
[thp @ 0x91b56a0] error y=23 x=18
[thp @ 0x91b56a0] overread 8
[thp @ 0x91b56a0] EOI missing, emulating
frame= 365 fps=365 q=0.0 size=N/A time=18:47:25.37 bitrate=N/A dup=67
drop=0
frame= 365 fps=243 q=0.0 size=N/A time=18:47:25.37 bitrate=N/A dup=67
drop=0
frame= 365 fps=182 q=0.0 size=N/A time=18:47:25.37 bitrate=N/A dup=67
drop=0
frame= 365 fps=146 q=0.0 size=N/A time=18:47:25.37 bitrate=N/A dup=67
drop=0
frame= 365 fps=122 q=0.0 size=N/A time=18:47:25.37 bitrate=N/A dup=67
drop=0
frame= 365 fps=104 q=0.0 size=N/A time=18:47:25.37 bitrate=N/A dup=67
drop=0
frame= 365 fps= 91 q=0.0 size=N/A time=18:47:25.37 bitrate=N/A dup=67
drop=0
frame= 365 fps= 81 q=0.0 size=N/A time=18:47:25.37 bitrate=N/A dup=67
drop=0
frame= 365 fps= 73 q=0.0 size=N/A time=18:47:25.37 bitrate=N/A dup=67
drop=0
Program received signal SIGINT, Interrupt.
0xb7ec4951 in gettimeofday () at ../sysdeps/unix/syscall-template.S:82
82 ../sysdeps/unix/syscall-template.S: No such file or directory.
(gdb) bt
#0 0xb7ec4951 in gettimeofday () at ../sysdeps/unix/syscall-template.S:82
#1 0x0891a4e8 in av_gettime () at libavutil/time.c:43
#2 0x080a5392 in transcode () at ffmpeg.c:3239
#3 main (argc=<optimized out>, argv=<optimized out>) at ffmpeg.c:3430
(gdb)
}}}
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/3098>
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