[FFmpeg-devel] [PATCH 1/2] avcodec/ilbcdec: Fix integer overflow in construct_vector()

Michael Niedermayer michael at niedermayer.cc
Mon Jan 28 00:08:37 EET 2019


On Tue, Jan 15, 2019 at 12:29:42AM +0100, Michael Niedermayer wrote:
> webrtc contains explicit code to ignore the undefined behavior (RTC_NO_SANITIZE / OverflowingAddS32S32ToS32())
> 
> Probably fixes: Integer overflow (unreproducable here)
> Probably fixes: 12215/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ILBC_fuzzer-5767142427852800
> 
> 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/ilbcdec.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

will apply patchset

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

Complexity theory is the science of finding the exact solution to an
approximation. Benchmarking OTOH is finding an approximation of the exact
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