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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: [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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