Messages in this thread | | | Date | Thu, 18 Mar 2010 09:30:42 +0900 | From | KAMEZAWA Hiroyuki <> | Subject | Re: [PATCH 02/11] mm,migration: Do not try to migrate unmapped anonymous pages |
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On Wed, 17 Mar 2010 11:41:10 -0500 (CDT) Christoph Lameter <cl@linux-foundation.org> wrote:
> On Wed, 17 Mar 2010, KAMEZAWA Hiroyuki wrote: > > > Ah, my point is "how use-after-free is detected ?" > > The slab layers do not check for use after free conditions if > SLAB_DESTROY_BY_RCU is set. It is legal to access the object after a > kfree() etc as long as the RCU period has not passed. > > > Then, my question is > > "Does use-after-free check for SLAB_DESTROY_BY_RCU work correctly ?" > > Use after free checks are not performed for SLAB_DESTROY_BY_RCU slabs. > Thank you for kindly clarification. I have no more concerns.
Thanks, -Kame
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