linux-kernel - Re: perf: hard fuzzer crash on 4.8-rc1

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Message-ID: <alpine.DEB.2.20.1608081556330.12831@macbook-air>
Date:	Mon, 8 Aug 2016 15:57:05 -0400 (EDT)
From:	Vince Weaver <vincent.weaver@...ne.edu>
To:	Peter Zijlstra <peterz@...radead.org>
cc:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>
Subject: Re: perf: hard fuzzer crash on 4.8-rc1

On Mon, 8 Aug 2016, Peter Zijlstra wrote:

> On Mon, Aug 08, 2016 at 01:57:28PM -0400, Vince Weaver wrote:
> > 
> > [  637.250130] BUG: unable to handle kernel
> > 
> > About 10 times of triggering this, this is all I get.  Machine is fairly
> > thoroughly locked at that point.
> > 
> > Any advice on how to debug this more?
> 
> I have this pending:
> 
>  lkml.kernel.org/r/20160804123724.GN6862@...ns.programming.kicks-ass.net
> 
> If that's not it, I'll go prod tomorrow.

yes, that patch seems to fix the issue.

Vince