[FFmpeg-devel] [PATCH 3/4] avcodec/pixlet: Avoid signed integer overflow in scaling in filterfn()

Michael Niedermayer michael at niedermayer.cc
Mon Mar 21 01:49:36 EET 2022


On Tue, Oct 27, 2020 at 05:21:18PM +0100, Michael Niedermayer wrote:
> Fixes: signed integer overflow: 11494 * 1073741824000000 cannot be represented in type 'long'
> Fixes: 26586/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PIXLET_fuzzer-5752633970917376
> 
> 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/pixlet.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

will apply

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

Into a blind darkness they enter who follow after the Ignorance,
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to the Knowledge alone. -- Isha Upanishad
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