[FFmpeg-devel] [PATCH] avcodec/snappy: Sanity check bytestream2_get_levarint()

Michael Niedermayer michael at niedermayer.cc
Mon Feb 3 00:55:46 EET 2020


On Mon, Jan 20, 2020 at 01:07:46AM +0100, Michael Niedermayer wrote:
> Fixes: left shift of 79 by 28 places cannot be represented in type 'int'
> Fixes: 20202/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HAP_fuzzer-5719004081815552
> Fixes: 20219/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HAP_fuzzer-5641738677125120
> 
> 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/snappy.c | 2 ++
>  1 file changed, 2 insertions(+)

will apply

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

Into a blind darkness they enter who follow after the Ignorance,
they as if into a greater darkness enter who devote themselves
to the Knowledge alone. -- Isha Upanishad
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