linux-kernel - Re: [kernel-hardening] [PATCH v2 24/30] fork: Define usercopy region in mm

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Message-ID: <1504121364.26846.80.camel@redhat.com>
Date:   Wed, 30 Aug 2017 15:29:24 -0400
From:   Rik van Riel <riel@...hat.com>
To:     Kees Cook <keescook@...omium.org>, linux-kernel@...r.kernel.org
Cc:     David Windsor <dave@...lcore.net>, Ingo Molnar <mingo@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Andy Lutomirski <luto@...nel.org>, linux-mm@...ck.org,
        kernel-hardening@...ts.openwall.com
Subject: Re: [kernel-hardening] [PATCH v2 24/30] fork: Define usercopy
 region in mm_struct slab caches

On Mon, 2017-08-28 at 14:35 -0700, Kees Cook wrote:
> From: David Windsor <dave@...lcore.net>
> 
> In support of usercopy hardening, this patch defines a region in the
> mm_struct slab caches in which userspace copy operations are allowed.
> Only the auxv field is copied to userspace.
> 
Acked-by: Rik van Riel <riel@...hat.com>

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