Andrew Cooper writes ("Re: [PATCH 2/4] tools/fuzz: add AFL stub program for x86
insn emulator fuzzer"):
> On 24/01/17 17:22, Ian Jackson wrote:
> > You don't need to test with stat unless you want to support files
> > bigger than your static buffer.
>
> It is expected that AFL data will eventually become longer than the
> fuzzer wishes. You should ignore extraneous data.
No, you should exit nonzero.
That will signal to fuzzers that this is not a "valid" input and so
not interesting. It will signal to other kinds of test code that
something is wrong.
Ian.
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