[FFmpeg-devel] [PATCH 3/7] avcodec/vc1dec: Require res_sprite for wmv3images

Michael Niedermayer michael at niedermayer.cc
Sat Aug 31 19:03:58 EEST 2019


On Thu, Aug 15, 2019 at 11:49:11PM +0200, Michael Niedermayer wrote:
> non res_sprite leads to decoder delay which leads to assertion failure
> Fixes: Assertion failure
> Fixes: 16402/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMV3IMAGE_fuzzer-5704510034411520
> Fixes: left shift of 1073741824 by 1 places cannot be represented in type 'int'
> Fixes: 16425/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMV3IMAGE_fuzzer-5692858838810624
> 
> 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/vc1dec.c | 5 +++++
>  1 file changed, 5 insertions(+)

will apply

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

Those who are too smart to engage in politics are punished by being
governed by those who are dumber. -- Plato 
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