Date: Tue, 22 Dec 2015 09:28:49 -0800 From: Dave Hansen <dave.hansen@...el.com> To: Christoph Lameter <cl@...ux.com> Cc: kernel-hardening@...ts.openwall.com, Pekka Enberg <penberg@...nel.org>, David Rientjes <rientjes@...gle.com>, Joonsoo Kim <iamjoonsoo.kim@....com>, Andrew Morton <akpm@...ux-foundation.org>, Laura Abbott <laura@...bott.name>, linux-mm@...ck.org, linux-kernel@...r.kernel.org, Kees Cook <keescook@...omium.org> Subject: Re: [RFC][PATCH 6/7] mm: Add Kconfig option for slab sanitization 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.
Powered by blists - more mailing lists
Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.