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	<20160406205429.GA13901@kroah.com>
Date: Wed, 6 Apr 2016 14:03:22 -0700
Message-ID: <CAJcbSZFs3wJ3hEkvWoLH-9h+Dk_mTCfRUnH7o1JvcS-5AGY3kQ@mail.gmail.com>
Subject: Re: [kernel-hardening] [RFC v1] mm: SLAB freelist randomization
From: Thomas Garnier <thgarnie@google.com>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: kernel-hardening@lists.openwall.com, Christoph Lameter <cl@linux.com>,
        Pekka Enberg <penberg@kernel.org>,
        David Rientjes <rientjes@google.com>,
        Joonsoo Kim <iamjoonsoo.kim@lge.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Greg Thelen <gthelen@google.com>, Kees Cook <keescook@chromium.org>,
        linux-kernel@vger.kernel.org, linux-mm@kvack.org,
        labbott@fedoraproject.org
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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@linuxfoundation.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:?
>