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Date:	Wed, 5 Dec 2007 23:15:35 +1100 (EST)
From:	James Morris <>
To:	Alan Cox <>
cc:	Eric Paris <>,,,,,,
Subject: Re: [PATCH] VM/Security: add security hook to do_brk

On Tue, 4 Dec 2007, Alan Cox wrote:

> On Tue, Dec 04, 2007 at 11:06:55AM -0500, Eric Paris wrote:
> > Given a specifically crafted binary do_brk() can be used to get low
> > pages available in userspace virtually memory and can thus be used to
> > circumvent the mmap_min_addr low memory protection.  Add security checks
> > in do_brk().
> > 
> > Signed-off-by: Eric Paris <>

Applied to

James Morris
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