Re: perf: fuzzer gets CPU stuck in perf_callchain()

From: Peter Zijlstra
Date: Thu Feb 19 2015 - 11:57:49 EST

On Thu, Feb 19, 2015 at 11:54:40AM -0500, Vince Weaver wrote:
> Another bug found by the perf_fuzzer(). I think this one is different
> than the one I sent the other day, it looks like something is going
> very wrong in perf_callchain().
> This one is reasonably reproducible, if there's any extra debugging that I
> can add. This is on a Haswell machine with git as of a few days ago.

Aw man, and I had such good hopes with you saying it took 4 days to find
problems :/

I'll try and get some time to stare at both.
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