Messages in this thread | | | Subject | Re: [kernel-hardening] [RFC][PATCH 6/7] mm: Add Kconfig option for slab sanitization | From | Dave Hansen <> | Date | Tue, 22 Dec 2015 09:28:49 -0800 |
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On 12/22/2015 09:24 AM, Christoph Lameter wrote: > On Tue, 22 Dec 2015, Dave Hansen wrote: >> Or are you just saying that we should use the poisoning *code* that we >> already have in slub? Using the _code_ looks like a really good idea, >> whether we're using it to write POISON_FREE, or 0's. Something like the >> attached patch? > > Why would you use zeros? The point is just to clear the information right? > The regular poisoning does that.
It then allows you to avoid the zeroing at allocation time.
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