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SubjectRe: Ugly rmap NULL ptr deref oopsie on hibernate (was Linux 2.6.34-rc3)
On Tue, 6 Apr 2010 11:28:52 -0700 (PDT)
Linus Torvalds <torvalds@linux-foundation.org> 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?


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