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Date:   Wed, 30 Aug 2017 15:29:24 -0400
From:   Rik van Riel <>
To:     Kees Cook <>,
Cc:     David Windsor <>, Ingo Molnar <>,
        Andrew Morton <>,
        Thomas Gleixner <>,
        Andy Lutomirski <>,,
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 <>
> 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 <>

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