[FFmpeg-devel] [PATCH] avcodec/wmalosslessdec: Fix multiple integer overflows

[Michael Niedermayer]

On Thu, Jan 09, 2020 at 03:44:04PM +0100, Michael Niedermayer wrote:
> Fixes: left shift of 3329 by 20 places cannot be represented in type 'int'
> Fixes: signed integer overflow: -199378355 + -1948950833 cannot be represented in type 'int'
> Fixes: 19837/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-5752565837070336
> Fixes: 19839/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMALOSSLESS_fuzzer-5767483265122304
> 
> 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/wmalosslessdec.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)

will apply

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

The smallest minority on earth is the individual. Those who deny 
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