[FFmpeg-trac] #1112(avcodec:open): tiff enc: invalid read with -vf vflip and -pix_fmt yuv420p (was: tiff enc: crash with -vf vflip and -pix_fmt yuv420p)
FFmpeg
trac at avcodec.org
Wed Mar 21 20:24:01 CET 2012
#1112: tiff enc: invalid read with -vf vflip and -pix_fmt yuv420p
------------------------------------+-----------------------------------
Reporter: ami_stuff | Owner:
Type: defect | Status: open
Priority: normal | Component: avcodec
Version: git-master | Resolution:
Keywords: tif | Blocked By:
Blocking: | Reproduced by developer: 1
Analyzed by developer: 0 |
------------------------------------+-----------------------------------
Changes (by cehoyos):
* status: new => open
* reproduced: 0 => 1
* component: undetermined => avcodec
* version: unspecified => git-master
* keywords: => tif
Comment:
{{{
$ valgrind ./ffmpeg_g -i tests/lena.pnm -vf vflip -pix_fmt yuv420p -s
1111x1111 out.tif
ffmpeg version N-38996-g3493390 Copyright (c) 2000-2012 the FFmpeg
developers
built on Mar 21 2012 18:23:24 with gcc 4.3.2
configuration: --cc=/usr/local/gcc-4.3.2/bin/gcc --enable-gpl
libavutil 51. 43.100 / 51. 43.100
libavcodec 54. 12.100 / 54. 12.100
libavformat 54. 2.100 / 54. 2.100
libavdevice 53. 4.100 / 53. 4.100
libavfilter 2. 65.102 / 2. 65.102
libswscale 2. 1.100 / 2. 1.100
libswresample 0. 7.100 / 0. 7.100
libpostproc 52. 0.100 / 52. 0.100
Input #0, image2, from 'tests/lena.pnm':
Duration: 00:00:00.04, start: 0.000000, bitrate: N/A
Stream #0:0: Video: ppm, rgb24, 256x256, 25 tbr, 25 tbn, 25 tbc
[buffer @ 0x449b3c0] w:256 h:256 pixfmt:rgb24 tb:1/1000000 sar:0/1
sws_param:
[scale @ 0x449bcc0] w:256 h:256 fmt:rgb24 sar:0/1 -> w:1111 h:1111
fmt:yuv420p sar:0/1 flags:0x4
Output #0, image2, to 'out.tif':
Metadata:
encoder : Lavf54.2.100
Stream #0:0: Video: tiff, yuv420p, 1111x1111, q=2-31, 200 kb/s, 90k
tbn, 25 tbc
Stream mapping:
Stream #0:0 -> #0:0 (ppm -> tiff)
Press [q] to stop, [?] for help
==6125== Invalid read of size 1
==6125== at 0x8555E13: encode_frame (tiffenc.c:198)
==6125== Address 0x4704C00 is not stack'd, malloc'd or (recently) free'd
frame= 1 fps=0.5 q=0.0 Lsize= 0kB time=00:00:00.04 bitrate=
0.0kbits/s
video:1767kB audio:0kB global headers:0kB muxing overhead -100.000000%
==6125==
==6125== ERROR SUMMARY: 1112 errors from 1 contexts (suppressed: 3 from 1)
==6125== malloc/free: in use at exit: 0 bytes in 0 blocks.
==6125== malloc/free: 742 allocs, 742 frees, 34,057,211 bytes allocated.
==6125== For counts of detected errors, rerun with: -v
==6125== All heap blocks were freed -- no leaks are possible.
}}}
--
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1112#comment:1>
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