[FFmpeg-devel] [PATCH 1/2] avcodec/wavarc: Fix k limit

Michael Niedermayer michael at niedermayer.cc
Sun Jul 23 02:52:53 EEST 2023


On Tue, Apr 25, 2023 at 08:38:13PM +0200, Michael Niedermayer wrote:
> The implementation does not support k=32
> 
> Fixes: shift exponent 32 is too large for 32-bit type 'unsigned int'
> Fixes: 57976/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WAVARC_fuzzer-5911925807775744
> 
> 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/wavarc.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

will apply patchset

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

No great genius has ever existed without some touch of madness. -- Aristotle
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