Re: Ugly rmap NULL ptr deref oopsie on hibernate (was Linux2.6.34-rc3)
From: Steinar H. Gunderson
Date: Tue Apr 06 2010 - 15:37:29 EST
On Tue, Apr 06, 2010 at 12:03:15PM -0700, Andrew Morton wrote:
>> For example, maybe some list corruption causes us to do that
>> "anon_vma_chain_link()" _twice_ on the same avc entry. So we do that
>> "list_add_tail(&avc->same_anon_vma, &anon_vma->head);" on an entry that
>> already had "same_anon_vma" on one list.
> The lib/list_debug.c stuff might detect such things. I wonder if
> either Borislav or Steinar had CONFIG_DEBUG_LIST enabled?
Not set on my kernel.
/* Steinar */
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