[FFmpeg-devel] [PATCH 1/3] avcodec/mpeg4videodec: Fix runtime error: signed integer overflow: 134527392 * 16 cannot be represented in type 'int'

Michael Niedermayer michael at niedermayer.cc
Sun Mar 5 13:02:26 EET 2017


On Fri, Mar 03, 2017 at 08:12:20PM +0100, Michael Niedermayer wrote:
> This checks the sprite delta intermediates for overflow
> Fixes: 716/clusterfuzz-testcase-4890287480504320
> 
> Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
> Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> ---
>  libavcodec/mpeg4videodec.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)

patchset applied

[...]
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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

If you drop bombs on a foreign country and kill a hundred thousand
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"unprovoked inhuman terrorist attacks" and use it to justify dropping
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