linux-kernel - Re: OOPS in perf_mmap

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Message-ID: <alpine.DEB.2.10.1305281217370.19080@vincent-weaver-1.um.maine.edu>
Date:	Tue, 28 May 2013 12:19:11 -0400 (EDT)
From:	Vince Weaver <vincent.weaver@...ne.edu>
To:	Peter Zijlstra <peterz@...radead.org>
cc:	Vince Weaver <vincent.weaver@...ne.edu>,
	Al Viro <viro@...iv.linux.org.uk>,
	linux-kernel@...r.kernel.org, Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	trinity@...r.kernel.org
Subject: Re: OOPS in perf_mmap_close()

On Tue, 28 May 2013, Peter Zijlstra wrote:
 
> Take 2.. :-)
> 
> Leaving the locked vs pinned debacle for another time. The below patch
> survives many non-priv execution of the problem prog.

It looks like this is already in tip, but I can confirm that this 
patch seems to fix things on my machine and holds up against longer 
fuzzing runs.

Thanks,

Vince
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