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From: David Miller <davem@davemloft.net>
To: jesse.brandeburg@intel.com
Cc: netdev@vger.kernel.org, jeffrey.e.pieper@intel.com
Subject: Re: [net-2.6][2.6.38-rc2] panic during stress testing
Date: Wed, 09 Feb 2011 12:46:36 -0800 (PST)	[thread overview]
Message-ID: <20110209.124636.189706471.davem@davemloft.net> (raw)
In-Reply-To: <alpine.WNT.2.00.1102081611130.5424@JBRANDEB-DESK2.amr.corp.intel.com>

From: "Brandeburg, Jesse" <jesse.brandeburg@intel.com>
Date: Wed, 9 Feb 2011 10:12:03 -0800 (Pacific Standard Time)

> neigh appears to be zero? since the check just above in dst_destroy was 
> checking it against NULL already, maybe we have a race, with some other 
> free of neigh (assigned from dst->neighbor)
> 
> This is quickly getting beyond me, I tried to check for some changes 
> around dst->neighbor but didn't see anything recent.

"neigh" is non-zero, however it is freed memory and thus unmapped by
the "use after free" debugging code.

That's why it OOPS's.

      reply	other threads:[~2011-02-09 20:46 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-02-08 18:32 [net-2.6][2.6.38-rc2] panic during stress testing Jesse Brandeburg
2011-02-08 21:51 ` David Miller
2011-02-09 18:12   ` Brandeburg, Jesse
2011-02-09 20:46     ` David Miller [this message]

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