[FFmpeg-devel] [PATCH 6/6] avcodec/alsdec: Check k from being outside what our implementation can handle

[Michael Niedermayer]

On Sun, Aug 25, 2019 at 08:41:58PM +0200, Michael Niedermayer wrote:
> The specification does not seem to list what the maximum valid
> value is
> 
> Fixes: shift exponent 32 is too large for 32-bit type 'unsigned int'
> Fixes: 16268/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5638164544225280
> 
> 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/alsdec.c | 3 +++
>  1 file changed, 3 insertions(+)

will apply

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

While the State exists there can be no freedom; when there is freedom there
will be no State. -- Vladimir Lenin
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