[FFmpeg-devel] [PATCH 3/4] avcodec/utils: Check bitrate for overflow in get_bit_rate()

Michael Niedermayer michael at niedermayer.cc
Sat Dec 19 21:08:59 EET 2020


On Mon, Oct 26, 2020 at 12:00:58AM +0100, Michael Niedermayer wrote:
> Fixes: signed integer overflow: 617890810133996544 * 16 cannot be represented in type 'long'
> Fixes: 26565/clusterfuzz-testcase-minimized-ffmpeg_dem_MV_fuzzer-5092054700654592
> 
> 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/utils.c | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)

will apply

[...]
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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

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