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Date: Thu, 27 Jul 2017 10:15:26 -0500 (CDT)
From: Christopher Lameter <cl@...ux.com>
To: Kees Cook <keescook@...omium.org>
cc: Alexander Popov <alex.popov@...ux.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Pekka Enberg <penberg@...nel.org>, David Rientjes <rientjes@...gle.com>,
Joonsoo Kim <iamjoonsoo.kim@....com>,
"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
Ingo Molnar <mingo@...nel.org>, Josh Triplett <josh@...htriplett.org>,
Andy Lutomirski <luto@...nel.org>,
Nicolas Pitre <nicolas.pitre@...aro.org>, Tejun Heo <tj@...nel.org>,
Daniel Mack <daniel@...que.org>,
Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
Helge Deller <deller@....de>, Rik van Riel <riel@...hat.com>,
Linux-MM <linux-mm@...ck.org>, Tycho Andersen <tycho@...ker.com>,
LKML <linux-kernel@...r.kernel.org>,
"kernel-hardening@...ts.openwall.com" <kernel-hardening@...ts.openwall.com>
Subject: Re: [v3] mm: Add SLUB free list pointer obfuscation
On Wed, 26 Jul 2017, Kees Cook wrote:
> > Although in either case we are adding code to the fastpath...
>
> While I'd like it unconditionally, I think Alexander's proposal was to
> put it behind CONFIG_SLAB_FREELIST_HARDENED.
Sounds good.
> BTW, while I've got your attention, can you Ack the other patch? I
> sent a v4 for the pointer obfuscation, which we really need:
> https://lkml.org/lkml/2017/7/26/4
Just looked through it.
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