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Date: Sun, 20 Jul 2014 19:49:34 +0200
Message-ID: <CAPjTQNFnQXA0yRYE7JOM7Z538epLA2LEVXhWYGqN2Dh6GtD6-g@mail.gmail.com>
Subject: Re: [RFC] ASLR Whitepaper and Candidate Final Patch
From: Oliver Pinter <oliver.pntr@gmail.com>
To: Pedro Giffuni <pfg@freebsd.org>
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Cc: PaX Team <pageexec@freemail.hu>, freebsd-arch@freebsd.org,
 Shawn Webb <lattera@gmail.com>, Bryan Drewery <bdrewery@freebsd.org>
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On 7/20/14, Pedro Giffuni <pfg@freebsd.org> wrote:
> (Assuming @FreeBSD addresses are subscribed to arch, or check the archives)
>
> FWIW,
>
> The issues I pointed out are still standing:
>
> - It is yet undetermined what the performance effect will be, and it is not
> clear (but seems likely from past measurements) if there will be a
> performance hit even when ASLR is off.
> -Apparently there are applications that will segfault (?).
>
> I wouldn't object to see it in the tree though: it has obviously been the
> result of a lot of work and it is configurable and well integrated. It will
> certainly have to be some time in the tree and undergo extensive testing
> before turning it on by default though so it sounds reasonable to bring it
> in but leave it initially inactive.
>
> Pedro.

Probably pho@ has free time, to test ASLR changes?