linux-kernel - Re: Linux 2.6.38-rc4 (test

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Message-ID: <20110217193303.GS4000@outflux.net>
Date:	Thu, 17 Feb 2011 11:33:03 -0800
From:	Kees Cook <kees.cook@...onical.com>
To:	Arjan van de Ven <arjan@...ux.intel.com>
Cc:	Randy Dunlap <randy.dunlap@...cle.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>, x86@...nel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Linux 2.6.38-rc4 (test_nx: BUG)

Hi Arjan,

On Wed, Feb 09, 2011 at 09:10:48AM -0800, Arjan van de Ven wrote:
> On 2/9/2011 9:08 AM, Randy Dunlap wrote:
> >test_nx BUGs.
> >CONFIG_DEBUG_RODATA=y
> >(nearly allmodconfig, with a few changes)
> >
> >Is that expected?
> >
> this test should pass...
> so something broke it (I'll call that a success for the test ;-)

I would suspect that the code in fudze_exception_table() isn't legal any
more due to the RO patches. (i.e. I think test_nx.c needs to be updated.)

-Kees

-- 
Kees Cook
Ubuntu Security Team
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