[FFmpeg-devel] [PATCH 5/5] avcodec/vc1_block: Check for vlc error in vc1_decode_ac_coeff()

Michael Niedermayer michael at niedermayer.cc
Mon Jul 8 09:42:34 EEST 2019


On Sun, Jun 16, 2019 at 12:00:56AM +0200, Michael Niedermayer wrote:
> Fixes: index -1 out of bounds for type 'const uint8_t [185][2]'
> Fixes: 15250/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMV3IMAGE_fuzzer-5648992869810176
> 
> 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/vc1_block.c | 34 ++++++++++++++++++++++++++--------
>  1 file changed, 26 insertions(+), 8 deletions(-)

will apply

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

I am the wisest man alive, for I know one thing, and that is that I know
nothing. -- Socrates
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