[FFmpeg-devel] [PATCH 0/1][TOOL][HACK] Allocation NULL check fuzzer

Michael Niedermayer michael at niedermayer.cc
Sat Nov 25 02:07:28 EET 2017


On Fri, Nov 24, 2017 at 11:41:06PM +0000, Derek Buitenhuis wrote:
> On 11/24/2017 11:35 PM, Michael Niedermayer wrote:
> > Maybe integrating this in:
> > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
> > 
> > would make sense
> > 
> > That would run it automatically on ffmpeg master HEAD on powerfull hw
> 
> Could make sense, yeah - wouldn't be that hard.
> 
> It would probably make an absolute ton of reports, since there are quite
> a few unchecked allocs in FFmpeg... might be kinda spammy.


> 
> Also not sure how Google feels about using oss-fuzz to look for missing
> NULL checks? Is there some set of guidelines?

I do not know that but i would be surprised if null dereferences tests
where unwelcome

oss-fuzz will already report null derferences and OOM conditions, as
well as undefined behavior. So in some sense various points on the map
surrounding this here are already tested for


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

In a rich man's house there is no place to spit but his face.
-- Diogenes of Sinope
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