[FFmpeg-devel] [PATCH 1/2] avcodec/tiff: Fix default white level

Michael Niedermayer michael at niedermayer.cc
Sat Sep 19 01:39:56 EEST 2020


On Fri, Jul 17, 2020 at 12:43:57AM +0200, Michael Niedermayer wrote:
> According to the spec bits per sample should be used
> 
> Fix invalid shift with bpp=32
> Fixes: shift exponent 32 is too large for 32-bit type 'unsigned int'
> Fixes: 23507/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TIFF_fuzzer-4815432665268224
> 
> 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/tiff.c | 13 +++++++------
>  1 file changed, 7 insertions(+), 6 deletions(-)

will apply patchset

[...]
-- 
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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