[FFmpeg-devel] [PATCH 1/2] avcodec/apedec: Fix integer overflows in predictor_update_3930()

Michael Niedermayer michael at niedermayer.cc
Fri Jan 7 17:56:00 EET 2022


On Mon, Jan 03, 2022 at 09:01:13PM +0100, Michael Niedermayer wrote:
> Fixes: signed integer overflow: 1074134419 - -1075212485 cannot be represented in type 'int'
> Fixes: 43273/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-4706880883130368
> 
> 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/apedec.c | 16 ++++++++--------
>  1 file changed, 8 insertions(+), 8 deletions(-)

will apply

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

If a bugfix only changes things apparently unrelated to the bug with no
further explanation, that is a good sign that the bugfix is wrong.
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