[FFmpeg-trac] #2569(avcodec:closed): mszh: crash with yuv421
FFmpeg
trac at avcodec.org
Sat Jun 22 14:44:13 CEST 2013
#2569: mszh: crash with yuv421
------------------------------------+-----------------------------------
Reporter: ami_stuff | Owner:
Type: defect | Status: closed
Priority: important | Component: avcodec
Version: git-master | Resolution: fixed
Keywords: regression | Blocked By:
Blocking: | Reproduced by developer: 1
Analyzed by developer: 0 |
------------------------------------+-----------------------------------
Changes (by cehoyos):
* status: new => closed
* reproduced: 0 => 1
* component: undetermined => avcodec
* priority: normal => important
* version: unspecified => git-master
* keywords: mszh => regression
* resolution: => fixed
Comment:
{{{
$ valgrind ./ffmpeg_g -i yuv421.avi out.avi
==11331== Memcheck, a memory error detector.
==11331== Copyright (C) 2002-2007, and GNU GPL'd, by Julian Seward et al.
==11331== Using LibVEX rev 1854, a library for dynamic binary translation.
==11331== Copyright (C) 2004-2007, and GNU GPL'd, by OpenWorks LLP.
==11331== Using valgrind-3.3.1, a dynamic binary instrumentation
framework.
==11331== Copyright (C) 2000-2007, and GNU GPL'd, by Julian Seward et al.
==11331== For more details, rerun with: -v
==11331==
ffmpeg version N-53956-g57655c6 Copyright (c) 2000-2013 the FFmpeg
developers
built on Jun 22 2013 14:18:10 with gcc 4.3.4 (GCC)
configuration: --disable-optimizations --cc=/usr/local/gcc-4.3.4/bin/gcc
libavutil 52. 35.100 / 52. 35.100
libavcodec 55. 15.100 / 55. 15.100
libavformat 55. 8.102 / 55. 8.102
libavdevice 55. 2.100 / 55. 2.100
libavfilter 3. 75.101 / 3. 75.101
libswscale 2. 3.100 / 2. 3.100
libswresample 0. 17.102 / 0. 17.102
Input #0, avi, from 'yuv421.avi':
Duration: 00:00:00.10, start: 0.000000, bitrate: 128029 kb/s
Stream #0:0: Video: mszh (MSZH / 0x485A534D), yuv422p, 1022x768, 10
tbr, 10 tbn, 10 tbc
Output #0, avi, to 'out.avi':
Metadata:
ISFT : Lavf55.8.102
Stream #0:0: Video: mpeg4 (FMP4 / 0x34504D46), yuv420p, 1022x768,
q=2-31, 200 kb/s, 10 tbn, 10 tbc
Stream mapping:
Stream #0:0 -> #0:0 (mszh -> mpeg4)
Press [q] to stop, [?] for help
==11331== Invalid write of size 8
==11331== at 0x87072F0: ff_draw_edges_mmx (dsputil_mmx.c:389)
==11331== by 0x85172B0: load_input_picture (mpegvideo_enc.c:1063)
==11331== by 0x85188ED: ff_MPV_encode_picture (mpegvideo_enc.c:1448)
==11331== by 0x861FC24: avcodec_encode_video2 (utils.c:1762)
==11331== by 0x805C37E: do_video_out (ffmpeg.c:947)
==11331== by 0x805CEAF: reap_filters (ffmpeg.c:1091)
==11331== by 0x8066979: transcode_step (ffmpeg.c:3162)
==11331== by 0x8066A3A: transcode (ffmpeg.c:3205)
==11331== by 0x8066F4E: main (ffmpeg.c:3383)
==11331== Address 0x50add50 is 0 bytes after a block of size 211,216
alloc'd
==11331== at 0x4025CFA: memalign (in
/usr/lib/valgrind/x86-linux/vgpreload_memcheck.so)
==11331== by 0x4025DAE: posix_memalign (in
/usr/lib/valgrind/x86-linux/vgpreload_memcheck.so)
==11331== by 0x89245B3: av_malloc (mem.c:93)
==11331== by 0x8917F7A: av_buffer_alloc (buffer.c:70)
==11331== by 0x8917FE7: av_buffer_allocz (buffer.c:83)
==11331== by 0x89185E6: pool_alloc_buffer (buffer.c:305)
==11331== by 0x8918734: av_buffer_pool_get (buffer.c:343)
==11331== by 0x861BE59: video_get_buffer (utils.c:550)
==11331== by 0x861C1E6: avcodec_default_get_buffer2 (utils.c:615)
==11331== by 0x861CB61: get_buffer_internal (utils.c:830)
==11331== by 0x861CBB9: ff_get_buffer (utils.c:842)
==11331== by 0x85740BE: thread_get_buffer_internal (pthread.c:929)
frame= 1 fps=0.3 q=6.7 Lsize= 65kB time=00:00:00.10
bitrate=5348.2kbits/s
video:60kB audio:0kB subtitle:0 global headers:0kB muxing overhead
9.331763%
==11331==
==11331== ERROR SUMMARY: 2 errors from 1 contexts (suppressed: 3 from 1)
==11331== malloc/free: in use at exit: 0 bytes in 0 blocks.
==11331== malloc/free: 2,732 allocs, 2,732 frees, 22,946,183 bytes
allocated.
==11331== For counts of detected errors, rerun with: -v
==11331== All heap blocks were freed -- no leaks are possible.
}}}
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/2569#comment:8>
FFmpeg <http://ffmpeg.org>
FFmpeg issue tracker
More information about the FFmpeg-trac
mailing list