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Message-ID: <063D6719AE5E284EB5DD2968C1650D6D5F4FEA62@AcuExch.aculab.com>
Date: Wed, 20 Jul 2016 16:02:39 +0000
From: David Laight <David.Laight@...LAB.COM>
To: 'Kees Cook' <keescook@...omium.org>
CC: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Jan Kara
<jack@...e.cz>, "kernel-hardening@...ts.openwall.com"
<kernel-hardening@...ts.openwall.com>, Will Deacon <will.deacon@....com>,
"linux-mm@...ck.org" <linux-mm@...ck.org>, "sparclinux@...r.kernel.org"
<sparclinux@...r.kernel.org>, "linux-ia64@...r.kernel.org"
<linux-ia64@...r.kernel.org>, Christoph Lameter <cl@...ux.com>, "Andrea
Arcangeli" <aarcange@...hat.com>, "linux-arch@...r.kernel.org"
<linux-arch@...r.kernel.org>, "x86@...nel.org" <x86@...nel.org>, Russell King
<linux@...linux.org.uk>, "linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>, Catalin Marinas
<catalin.marinas@....com>, PaX Team <pageexec@...email.hu>, Borislav Petkov
<bp@...e.de>, Mathias Krause <minipli@...glemail.com>, Fenghua Yu
<fenghua.yu@...el.com>, Rik van Riel <riel@...hat.com>, David Rientjes
<rientjes@...gle.com>, Tony Luck <tony.luck@...el.com>, Andy Lutomirski
<luto@...nel.org>, Josh Poimboeuf <jpoimboe@...hat.com>, Andrew Morton
<akpm@...ux-foundation.org>, Dmitry Vyukov <dvyukov@...gle.com>, Laura Abbott
<labbott@...oraproject.org>, Brad Spengler <spender@...ecurity.net>, "Ard
Biesheuvel" <ard.biesheuvel@...aro.org>, Pekka Enberg <penberg@...nel.org>,
Daniel Micay <danielmicay@...il.com>, Casey Schaufler
<casey@...aufler-ca.com>, Joonsoo Kim <iamjoonsoo.kim@....com>,
"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>, "David S.
Miller" <davem@...emloft.net>
Subject: RE: [PATCH v3 00/11] mm: Hardened usercopy
From: Kees Cook
> Sent: 20 July 2016 16:32
...
> Yup: that's exactly what it's doing: walking up the stack. :)
Remind me to make sure all our customers run kernels with it disabled.
David
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