[FFmpeg-devel] [PATCH 3/8] avcodec/simple_idct: Fix undefined integer overflow in idct4row()

[Michael Niedermayer]

On Sat, Dec 19, 2020 at 12:22:03AM +0100, Michael Niedermayer wrote:
> Fixes: signed integer overflow: -1498310196 - 902891776 cannot be represented in type 'int'
> Fixes: 28445/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1IMAGE_fuzzer-5075163389493248
> 
> 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/simple_idct.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)

will apply

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

Observe your enemies, for they first find out your faults. -- Antisthenes
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