Re: [Xen-devel] [PATCH 0/4] fuzz: basic AFL support

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Tue, 24 Jan 2017, Wei Liu wrote:
> On Tue, Jan 24, 2017 at 06:18:10PM +0000, Julien Grall wrote:
> > Hi Wei,
> > 
> > On 20/01/17 12:11, Wei Liu wrote:
> > > Provide simple stub programs for AFL fuzzer. For usage, please see 
> > > README.afl.
> > > 
> > > This series doesn't aim to improve fuzzing targets. It is just 
> > > demonstration
> > > for how we could use the same fuzzing code for both oss-fuzz and AFL.
> > > 
> > > The stub programs are identical in libefl and x86 emulator at the moment, 
> > > but
> > > they will likely diverge in the future. The duplication of code is 
> > > deliberate.
> > > 
> > > Julien, FYI I think the in-tree libfdt could have something similar, too.
> > 
> > I am not sure if it would be useful. We know that libfdt is not protected
> > against rogue device-tree and therefore fuzzing will likely break it. Any
> > device-tree used are expected to be trusted (this is documented in the
> > tools).
> > 
> 
> OK. In that case we don't need to run AFL against libfdt.

I agree.

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