From: Marcus Meissner <meissner@suse.de>
To: Ingo Molnar <mingo@elte.hu>
Cc: Linus Torvalds <torvalds@osdl.org>,
Hugh Dickins <hugh@veritas.com>, Andrew Morton <akpm@osdl.org>,
Andi Kleen <ak@suse.de>, Dave Jones <davej@codemonkey.org.uk>,
Arjan van de Ven <arjan@linux.intel.com>,
linux-kernel@vger.kernel.org
Subject: Re: revert PIE randomization?
Date: Sat, 6 Jan 2007 22:54:17 +0100 [thread overview]
Message-ID: <20070106215417.GA13541@suse.de> (raw)
In-Reply-To: <20070106214505.GA8904@elte.hu>
On Sat, Jan 06, 2007 at 10:45:05PM +0100, Ingo Molnar wrote:
>
> * Marcus Meissner <meissner@suse.de> wrote:
>
> > > You're right. I'm inclined to just revert it, modulo some comments
> > > from others. Marcus?
> >
> > After thinking about this, yes.
> >
> > I would rather have a working range used here (perhaps like Hugh
> > suggested), but feel free to revert the original patch if you are not
> > confident with it.
>
> i'm wondering why you had to try to reinvent the wheel, instead of
> picking up exec-shield's remaining bits of randomization implementation
> from Fedora, which was tested for a long time and achieves PIE
> randomization and more?
Because it is i386 only last time I checked.
And it requires relaying out the heap (which you did only for i386), with
architecture specific code, which I was too afraid to touch.
Ciao, Marcus
next prev parent reply other threads:[~2007-01-06 21:54 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-06 20:11 revert PIE randomization? Hugh Dickins
2007-01-06 21:04 ` Linus Torvalds
2007-01-06 21:08 ` Marcus Meissner
2007-01-06 21:45 ` Ingo Molnar
2007-01-06 21:54 ` Marcus Meissner [this message]
2007-01-06 22:42 ` David Woodhouse
2007-03-21 18:17 ` Kees Cook
2007-03-21 20:01 ` Hugh Dickins
2007-03-26 20:17 ` Kees Cook
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