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From: Juergen Kreileder <jk@blackdown.de>
To: Arjan van de Ven <arjan@infradead.org>
Cc: linux-kernel@vger.kernel.org, dm-devel@redhat.com
Subject: Re: lvcreate on 2.6.22.1: kernel tried to execute NX-protected page
Date: Sun, 05 Aug 2007 21:52:25 +0200	[thread overview]
Message-ID: <46B62A79.3030502@blackdown.de> (raw)
In-Reply-To: <1186343163.25667.0.camel@laptopd505.fenrus.org>

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Arjan van de Ven wrote:
> 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)

It's a static kernel, no modules.  I've attached the config.


	Juergen



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  reply	other threads:[~2007-08-05 19:52 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-08-05 19:03 Juergen Kreileder
2007-08-05 19:46 ` Arjan van de Ven
2007-08-05 19:52   ` Juergen Kreileder [this message]
2007-08-16 18:45 ` SLUB problems (was Re: lvcreate on 2.6.22.1: kernel tried to execute NX-protected page) Juergen Kreileder
  -- strict thread matches above, loose matches on Subject: below --
2007-08-03 19:10 lvcreate on 2.6.22.1: kernel tried to execute NX-protected page Juergen Kreileder

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