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Date: Thu, 04 Aug 2016 12:53:09 -0400
From: Daniel Micay <>
Subject: Re: [PATCH] [RFC] Introduce mmap randomization

On Tue, 2016-07-26 at 11:22 -0700, wrote:
> The recent get_random_long() change in get_random_range() and then the
> subsequent patches Jason put out, all stemmed from my tinkering
> with the concept of randomizing mmap.
> Any feedback would be greatly appreciated, including any feedback
> indicating that I am idiot.

The RAND_THREADSTACK feature in grsecurity makes the gaps the way I
think would be ideal, i.e. tracked as part of the appropriate VMA. It
would be straightforward to make it more general purpose.
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