From: Greg KH <gregkh@linuxfoundation.org>
To: kernel-hardening@lists.openwall.com
Cc: 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>,
gthelen@google.com, keescook@chromium.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
labbott@fedoraproject.org, Thomas Garnier <thgarnie@google.com>
Subject: Re: [kernel-hardening] [RFC v1] mm: SLAB freelist randomization
Date: Wed, 6 Apr 2016 13:54:29 -0700 [thread overview]
Message-ID: <20160406205429.GA13901@kroah.com> (raw)
In-Reply-To: <1459971348-81477-1-git-send-email-thgarnie@google.com>
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:?
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2016-04-06 20:54 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-06 19:35 Thomas Garnier
2016-04-06 20:54 ` Greg KH [this message]
2016-04-06 21:03 ` [kernel-hardening] " Thomas Garnier
2016-04-06 21:45 ` Kees Cook
2016-04-07 15:28 ` Thomas Garnier
2016-04-07 16:17 ` [kernel-hardening] " Yves-Alexis Perez
2016-04-07 16:35 ` Thomas Garnier
2016-04-07 21:14 ` Jesper Dangaard Brouer
2016-04-08 2:31 ` Kees Cook
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20160406205429.GA13901@kroah.com \
--to=gregkh@linuxfoundation.org \
--cc=akpm@linux-foundation.org \
--cc=cl@linux.com \
--cc=gthelen@google.com \
--cc=iamjoonsoo.kim@lge.com \
--cc=keescook@chromium.org \
--cc=kernel-hardening@lists.openwall.com \
--cc=labbott@fedoraproject.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=penberg@kernel.org \
--cc=rientjes@google.com \
--cc=thgarnie@google.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox