[FFmpeg-devel] [PATCH 3/4] avcodec/simple_idct_template: Fix several integer overflows

Paul B Mahol onemda at gmail.com
Mon Mar 13 10:51:40 EET 2017


On 3/13/17, Michael Niedermayer <michael at niedermayer.cc> wrote:
> Benchmarks with START_TIMER indicate that the code is faster with unsigned,
> (that is
> with the patch), there was quite some fluctuation in the numbers so this may
> be just
> random
>
> Fixes: 811/clusterfuzz-testcase-6465493076541440
>
> 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/simple_idct_template.c | 36 ++++++++++++++++++------------------
>  1 file changed, 18 insertions(+), 18 deletions(-)
>

So this fixes remote code execution?

Please state what commit fixes.


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