Messages in this thread | | | Date | Wed, 7 Apr 2010 16:13:34 +0200 | From | Borislav Petkov <> | Subject | Re: Ugly rmap NULL ptr deref oopsie on hibernate (was Linux 2.6.34-rc3) |
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From: Paulo Marques <pmarques@grupopie.com> Date: Wed, Apr 07, 2010 at 03:05:50PM +0100
> Linus Torvalds wrote: > > [...] > > So it once more is 'anon_vma->head.next' that is crap, but now it's not > > NULL, it's that very odd 0x002e2e2e002e2e2e pattern (the %r13 has had 0x20 > > subtracted from it, so that LSB of "0x0e" is actually _also_ a 0x2e). > > > > What does '0x2e' mean? It's ASCII '.', but that doesn't really mean > > anything either. > > Just a wild shot in the dark: it can be a couple of gray pixels with > intensity 0x2e at some 32 bits per pixel mode. I say this because of the > zero bytes there and someone mentioning seeing the problem when starting X.
I don't think those are related: the problem when X was starting happens with Rik' newest patch and the funny %r13 value happened after enabling SLUB debugging last night.
Thanks.
-- Regards/Gruss, Boris.
-- Advanced Micro Devices, Inc. Operating Systems Research Center
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