Messages in this thread | | | Date | Wed, 07 Apr 2010 15:05:50 +0100 | From | Paulo Marques <> | Subject | Re: Ugly rmap NULL ptr deref oopsie on hibernate (was Linux 2.6.34-rc3) |
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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.
-- Paulo Marques - www.grupopie.com
"Don't worry, you'll be fine; I saw it work in a cartoon once..."
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