[FFmpeg-devel] [PATCH 1/3] avcodec/h264_slice: fix undefined integer overflow with POC in error concealment

[Michael Niedermayer]

On Thu, Oct 08, 2020 at 09:19:13PM +0200, Michael Niedermayer wrote:
> Alternatively the POC could be changed to 64bit. the large values seem to be within what is allowed.
> 
> Fixes: signed integer overflow: 2147483646 + 2 cannot be represented in type 'int'
> Fixes: 26076/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_H264_fuzzer-5711127201447936
> 
> 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/h264_slice.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

will apply

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

It is dangerous to be right in matters on which the established authorities
are wrong. -- Voltaire
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