Date: Tue, 22 Dec 2015 11:24:50 -0600 (CST) From: Christoph Lameter <cl@...ux.com> To: Dave Hansen <dave.hansen@...el.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 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. View attachment "slub-poison-zeros.patch" of type "text/x-patch" (1547 bytes)
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