[dm-devel] Re: lvcreate on 2.6.22.1: kernel tried to execute NX-protected page
Juergen Kreileder
jk at blackdown.de
Sun Aug 5 19:52:25 UTC 2007
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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