[FFmpeg-devel] [PATCH 1/2] avcodec/msvideo1: Check for too small dimensions

Michael Niedermayer michael at niedermayer.cc
Wed Dec 5 01:39:44 EET 2018


On Sat, Dec 01, 2018 at 10:16:19PM +0100, Michael Niedermayer wrote:
> Such low resolution would result in empty output as a minimum of 4x4 is needed
> We could also check for multiple of 4 dimensions but that is not needed
> 
> Fixes: Timeout
> Fixes: 11191/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MSVIDEO1_fuzzer-5739529588178944
> 
> Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
> Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> ---
>  libavcodec/msvideo1.c | 3 +++
>  1 file changed, 3 insertions(+)

will apply

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

I am the wisest man alive, for I know one thing, and that is that I know
nothing. -- Socrates
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