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Message-ID: <58DCC21C.6040705@arm.com>
Date: Thu, 30 Mar 2017 09:30:20 +0100
From: James Morse <james.morse@....com>
To: Kees Cook <keescook@...omium.org>
CC: "kernel-hardening@...ts.openwall.com" <kernel-hardening@...ts.openwall.com>,
"linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org>,
Will Deacon <will.deacon@....com>,
Catalin Marinas <catalin.marinas@....com>,
Mark Rutland <mark.rutland@....com>, Pratyush Anand <panand@...hat.com>,
keun-o.park@...kmatter.ae
Subject: Re: [PATCH v4 0/3] arm64: usercopy: Implement stack frame object
validation
Hi Kees,
On 28/03/17 23:34, Kees Cook wrote:
> On Thu, Feb 16, 2017 at 4:54 PM, Kees Cook <keescook@...omium.org> wrote:
>> On Thu, Feb 16, 2017 at 10:29 AM, James Morse <james.morse@....com> wrote:
>>> This version of Sahara's arch_within_stack_frames() series replaces the
>>> open-coded stack walker with a call to arm64's existing walker.
> Is this still in progress? Seemed like it was very close?
Ah, sorry, I lost track of this when it jumped between mail folders... Sahara
had comments on the last patch.
How does all this fit with Al Viro's uaccess unification tree?:
https://lkml.org/lkml/2017/3/29/61
Thanks,
James
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