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Date: Thu, 21 Sep 2017 15:59:08 -0400
From: Rik van Riel <riel@...hat.com>
To: Eric Biggers <ebiggers3@...il.com>, x86@...nel.org
Cc: linux-kernel@...r.kernel.org, kernel-hardening@...ts.openwall.com, Andy
Lutomirski <luto@...nel.org>, Dave Hansen <dave.hansen@...ux.intel.com>,
Dmitry Vyukov <dvyukov@...gle.com>, Fenghua Yu <fenghua.yu@...el.com>, Ingo
Molnar <mingo@...nel.org>, Kevin Hao <haokexin@...il.com>, Oleg Nesterov
<oleg@...hat.com>, Wanpeng Li <wanpeng.li@...mail.com>, Yu-cheng Yu
<yu-cheng.yu@...el.com>, Michael Halcrow <mhalcrow@...gle.com>, Eric
Biggers <ebiggers@...gle.com>, stable@...r.kernel.org
Subject: Re: [PATCH v3 1/3] x86/fpu: don't let userspace
set bogus xcomp_bv
On Thu, 2017-09-21 at 11:52 -0700, Eric Biggers wrote:
> From: Eric Biggers <ebiggers@...gle.com>
>
> Fix the bug by checking that the user-supplied value of xcomp_bv is 0
> in
> the uncompacted case, and returning an error otherwise.
>
Reviewed-by: Rik van Riel <riel@...hat.com>
--
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