[FFmpeg-devel] memory corruption in avio_read

[Mikhail I Izmestev]

09.02.2012, в 14:13, "Mikhail I. Izmestev" <im at cgtribe.com> написал(а):

> 09.02.2012 11:47, Mikhail I. Izmestev wrote:
> [...]
>> 
>> ffmpeg version 0.7.3, Copyright (c) 2000-2011 the FFmpeg developers
>> built on Sep  8 2011 14:51:33 with gcc 4.5.4 20110822 (prerelease)
>> configuration: --enable-shared --disable-static --enable-memalign-hack --disable-avfilter --arch=x86_64 --cross-prefix=x86_64-w64-mingw32- --target-os=mingw32 --disable-dxva2
>> libavutil    50. 43. 0 / 50. 43. 0
>> libavcodec   52.122. 0 / 52.122. 0
>> libavformat  52.110. 0 / 52.110. 0
>> libavdevice  52.  5. 0 / 52.  5. 0
>> libswscale    0. 14. 1 /  0. 14. 1
>> 
>> this is not latest version, so is this corruption was fixed in latest code?
> I have found commit
> 
> commit f5978250524f03364c4c67f14dab86db66f7a908
> Author: Michael Niedermayer<michaelni at gmx.at>
> Date:   Sat Aug 27 21:24:13 2011 +0200
> 
>   Fix memory corruption incase  of memory allocation failure in av_probe_input_buffer()
> 
>   Reported-by: Tanami Ohad
>   Signed-off-by: Michael Niedermayer<michaelni at gmx.at>
>   (cherry picked from commit 941bb552c6e08b40eb7d7842df19285cd650edd0)
> 
> 
> looks like it make sense in my case.
> 

Problem caused due to not thread safe call of av_read_frame.

Mikhail.