linux-kernel - Re: 3.6rc6 slab corruption.

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Message-ID: <20120918185310.GA27689@redhat.com>
Date:	Tue, 18 Sep 2012 14:53:10 -0400
From:	Dave Jones <davej@...hat.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Linux Kernel <linux-kernel@...r.kernel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>,
	Suzuki Poulose <suzuki@...ibm.com>,
	Raghavendra K T <raghavendra.kt@...ux.vnet.ibm.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Subject: Re: 3.6rc6 slab corruption.

On Tue, Sep 18, 2012 at 11:38:44AM -0700, Linus Torvalds wrote:
 > Quoting the entire email, since I added Greg to the list of people (as
 > the documented maintainer of debugfs) along with what I think are the
 > guilty parties.
 > 
 > Dave, is trinity perhaps doing read calls on the same file in parallel?

Yeah, entirely possible. It opens hundreds of fd's on startup, and then
a bunch of threads do whatever operations are specified on those fds.
(in this case, just read/setsockopt, but probably the read's are all that
 is needed to trigger this)

	Dave

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