From: Christoph Lameter <cl@linux.com>
To: Kees Cook <keescook@chromium.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>,
Andrew Morton <akpm@linux-foundation.org>,
Pekka Enberg <penberg@kernel.org>,
David Rientjes <rientjes@google.com>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Linux-MM <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>,
"kernel-hardening@lists.openwall.com"
<kernel-hardening@lists.openwall.com>
Subject: Re: [PATCH v2] slab: Add POISON_POINTER_DELTA to ZERO_SIZE_PTR
Date: Fri, 18 Nov 2016 12:19:42 -0600 (CST) [thread overview]
Message-ID: <alpine.DEB.2.20.1611181219250.27160@east.gentwo.org> (raw)
In-Reply-To: <CAGXu5jKC8XTP=gjCGQYEEwSQEAWM66E8HedaEqZR3F=QSm+aTg@mail.gmail.com>
On Fri, 18 Nov 2016, Kees Cook wrote:
> In this case, what about the original < ZERO_SIZE_PTR check Michael
> suggested? At least the one use in usercopy.c needs to be fixed, but
> otherwise, it should be fine?
Looks like it.
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prev parent reply other threads:[~2016-11-18 18:19 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-17 9:51 Michael Ellerman
2016-11-17 20:01 ` Kees Cook
2016-11-18 17:47 ` Christoph Lameter
2016-11-18 17:55 ` Kees Cook
2016-11-18 18:19 ` Christoph Lameter [this message]
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