[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH 2/4] tools/fuzz: add AFL stub program for x86 insn emulator fuzzer
On Tue, Jan 24, 2017 at 05:30:32PM +0000, Ian Jackson wrote: > 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. > Hmm... I originally thought exit(1) would cause AFL to think the program has crashed, but I was wrong. So using exit(1) is more sensible in this case. Wei. > Ian. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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