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Message-Id: <1186343163.25667.0.camel@laptopd505.fenrus.org>
Date: Sun, 05 Aug 2007 12:46:03 -0700
From: Arjan van de Ven <arjan@...radead.org>
To: Juergen Kreileder <jk@...ckdown.de>
Cc: linux-kernel@...r.kernel.org, dm-devel@...hat.com
Subject: Re: lvcreate on 2.6.22.1: kernel tried to execute NX-protected page
On Sun, 2007-08-05 at 21:03 +0200, Juergen Kreileder wrote:
> I've upgraded devmapper to 1.02.20 and lvm2 to 2.02.26. Didn't help much,
> I just got a the same BUG again:
>
> kernel tried to execute NX-protected page - exploit attempt? (uid: 0)
> BUG: unable to handle kernel paging request at virtual address f492c1f8
I suspect this is a module that got unloaded but still had some function
pointer registered somewhere.....
do you know if/which module that could be?
(one trick is to compile the kernel such that you don't allow modules to
be unloaded at all; if that makes it work it's clearly the type of bug I
described above)
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