[FFmpeg-devel] [PATCH 2/4] avcodec/jpeg2000: Check stepsize before using it

Michael Niedermayer michael at niedermayer.cc
Thu Apr 25 12:42:33 EEST 2019


On Tue, Apr 16, 2019 at 04:48:32PM +0200, Michael Niedermayer wrote:
> Fixes: value 1.87633e+10 is outside the range of representable values of type 'int'
> Fixes: Undefined behavior
> Fixes: 14246/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_JPEG2000_fuzzer-5758393601490944
> 
> 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/jpeg2000.c | 5 +++++
>  1 file changed, 5 insertions(+)

will apply jpeg2000 patchset


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

Concerning the gods, I have no means of knowing whether they exist or not
or of what sort they may be, because of the obscurity of the subject, and
the brevity of human life -- Protagoras
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