Re: revert PIE randomization?
From: Marcus Meissner
Date: Sat Jan 06 2007 - 16:54:44 EST
On Sat, Jan 06, 2007 at 10:45:05PM +0100, Ingo Molnar wrote:
>
> * Marcus Meissner <meissner@xxxxxxx> 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
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