[FFmpeg-devel] [PATCH 1/3] avcodec/hevc_cabac: Tighten the limit on k in ff_hevc_cu_qp_delta_abs()

Michael Niedermayer michael at niedermayer.cc
Sat Sep 28 20:19:11 EEST 2019


On Tue, Sep 10, 2019 at 01:36:49AM +0200, Michael Niedermayer wrote:
> Values larger would fail subsequent tests.
> 
> Fixes: signed integer overflow: 5 + 2147483646 cannot be represented in type 'int'
> Fixes: 16966/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HEVC_fuzzer-5695709549953024
> 
> 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/hevc_cabac.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

will apply patchset


[...]
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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

I know you won't believe me, but the highest form of Human Excellence is
to question oneself and others. -- Socrates
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