Date: Wed, 6 Apr 2016 14:03:22 -0700 From: Thomas Garnier <thgarnie@...gle.com> To: Greg KH <gregkh@...uxfoundation.org> Cc: kernel-hardening@...ts.openwall.com, Christoph Lameter <cl@...ux.com>, Pekka Enberg <penberg@...nel.org>, David Rientjes <rientjes@...gle.com>, Joonsoo Kim <iamjoonsoo.kim@....com>, Andrew Morton <akpm@...ux-foundation.org>, Greg Thelen <gthelen@...gle.com>, Kees Cook <keescook@...omium.org>, linux-kernel@...r.kernel.org, linux-mm@...ck.org, labbott@...oraproject.org Subject: Re: [RFC v1] mm: SLAB freelist randomization Yes, sorry about that. It will be in the next RFC or PATCH. On Wed, Apr 6, 2016 at 1:54 PM, Greg KH <gregkh@...uxfoundation.org> wrote: > On Wed, Apr 06, 2016 at 12:35:48PM -0700, Thomas Garnier wrote: >> Provide an optional config (CONFIG_FREELIST_RANDOM) to randomize the >> SLAB freelist. This security feature reduces the predictability of >> the kernel slab allocator against heap overflows. >> >> Randomized lists are pre-computed using a Fisher-Yates shuffle and >> re-used on slab creation for performance. >> --- >> Based on next-20160405 >> --- > > No signed-off-by:? >
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