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Message-ID: <CA+KhAHZB2tDpd-EY8har78PWyf=SCN4cNSjLHLpRqZoJgB2TiQ@mail.gmail.com>
Date: Sun, 8 Apr 2018 10:39:24 +0400
From: Keun-O Park <kpark3469@...il.com>
To: Kees Cook <keescook@...omium.org>
Cc: Kernel Hardening <kernel-hardening@...ts.openwall.com>, James Morse <james.morse@....com>,
Catalin Marinas <catalin.marinas@....com>, Will Deacon <will.deacon@....com>,
Mark Rutland <mark.rutland@....com>, keun-o.park@...kmatter.ae,
Sodagudi Prasad <psodagud@...eaurora.org>, Josh Poimboeuf <jpoimboe@...hat.com>,
Ingo Molnar <mingo@...nel.org>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/4] arm64: usercopy: implement arch_within_stack_frames
Hi Kees,
On Thu, Apr 5, 2018 at 2:55 AM, Kees Cook <keescook@...omium.org> wrote:
> On Thu, Mar 1, 2018 at 2:19 AM, <kpark3469@...il.com> wrote:
>> From: James Morse <james.morse@....com>
>>
>> This implements arch_within_stack_frames() for arm64 that should
>> validate if a given object is contained by a kernel stack frame.
>>
>> Signed-off-by: James Morse <james.morse@....com>
>> Reviewed-by: Sahara <keun-o.park@...kmatter.ae>
>
> Looks good to me. Does this end up passing the LKDTM
> USERCOPY_STACK_FRAME_TO and USERCOPY_STACK_FRAME_FROM tests?
Yes, this passes those two LKDTM tests.
Thanks.
BR
Sahara
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