From: Nick Piggin <npiggin@suse.de>
Date: Thu, 15 Nov 2007 11:32:04 +0000 (+0100)
Subject: slob: fix memory corruption
X-Git-Tag: v2.6.24-rc3~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d32ddd8f20e7d7a49c45c337c2079be03c77dc41;p=pandora-kernel.git

slob: fix memory corruption

Previously, it would be possible for prev->next to point to
&free_slob_pages, and thus we would try to move a list onto itself, and
bad things would happen.

It seems a bit hairy to be doing list operations with the list marker as
an entry, rather than a head, but...

this resolves the following crash:

  http://bugzilla.kernel.org/show_bug.cgi?id=9379

Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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