linux-kernel - Re: Is PIE randomization breaking klibc binaries?

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Message-ID: <Pine.LNX.4.64.0707311418040.26532@jikos.suse.cz>
Date:	Tue, 31 Jul 2007 14:19:06 +0200 (CEST)
From:	Jiri Kosina <jkosina@...e.cz>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Ulrich Kunitz <kune@...ne-taler.de>,
	Chuck Ebbert <cebbert@...hat.com>,
	linux-kernel@...r.kernel.org, Jan Kratochvil <honza@...os.cz>,
	jakub@...hat.com
Subject: Re: Is PIE randomization breaking klibc binaries?

On Tue, 31 Jul 2007, H. Peter Anvin wrote:

> > I just now quickly tried to with klibc-1.5 on i386 with the 
> > PIE-randomization patched kernel, and it seems to load static 
> > libraries fine. I just downloaded klibc-1.5, built it, and executed a 
> > few of the programs in usr/utils/static, all of them worked. Does this 
> > also work for you and you are experiencing the problems solely when 
> > the binaries are being run from initramfs during boot? I will test 
> > more shortly (on x86_64, directly from initramfs) in order to 
> > reproduce.
> What about shared binaries?

Works for me too on the pie-randomization patched kernel.

So it seems to me that either it is something x86_64 specific or 
initramfs-specific. Will try to reproduce it.

-- 
Jiri Kosina
SUSE Labs
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