[FFmpeg-devel] [PATCH 2/2] avcodec/ffv1dec: restructure slice coordinate reading a bit

Michael Niedermayer michael at niedermayer.cc
Mon Nov 28 00:37:51 EET 2022


On Tue, Nov 22, 2022 at 11:56:52PM +0100, Michael Niedermayer wrote:
> Fixes: signed integer overflow: -1094995528 * 8224 cannot be represented in type 'int'
> Fixes: 53508/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFV1_fuzzer-474551033462784
> 
> 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/ffv1dec.c | 63 +++++++++++++++++++++++++-------------------
>  1 file changed, 36 insertions(+), 27 deletions(-)

will apply

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

Let us carefully observe those good qualities wherein our enemies excel us
and endeavor to excel them, by avoiding what is faulty, and imitating what
is excellent in them. -- Plutarch
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