[FFmpeg-devel] [PATCH 3/5] avcodec/smacker: Fix integer overflows in pred[] in smka_decode_frame()

[Michael Niedermayer]

On Tue, Oct 01, 2019 at 01:12:52AM +0200, Michael Niedermayer wrote:
> Fixes: signed integer overflow: -2147481503 + -32732 cannot be represented in type 'int'
> Fixes: 17782/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SMACKAUD_fuzzer-5769672225456128
> 
> 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/smacker.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

will apply

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

Awnsering whenever a program halts or runs forever is
On a turing machine, in general impossible (turings halting problem).
On any real computer, always possible as a real computer has a finite number
of states N, and will either halt in less than N cycles or never halt.
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