Date: Tue, 25 Sep 2007 16:30:40 +0100
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: David Newall <david@davidnewall.com>
Cc: "Serge E. Hallyn" <serge@hallyn.com>, Bill Davidsen <davidsen@tmr.com>,
       Philipp Marek <philipp@marek.priv.at>, 7eggert@gmx.de,
       majkls <majkls@prepere.com>, bunk@fs.tum.de,
       linux-kernel@vger.kernel.org
Subject: Re: Chroot bug (was: sys_chroot+sys_fchdir Fix)
Message-ID: <20070925163040.12a3c2f8@the-village.bc.nu>
In-Reply-To: <46F924E3.50205@davidnewall.com>
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	<46F380E4.4040606@davidnewall.com>
	<20070924213215.GA32716@vino.hallyn.com>
	<46F83474.5040503@davidnewall.com>
	<20070924230008.GA3160@vino.hallyn.com>
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> Marek's loading dynamic libraries, it seems clear that the prime purpose 
> of chroot is to aid security.  Being able to cd your way out is handy 

Does it - I can't find any evidence for that. I think you are confusing
containers and chroot. They are quite different things. A root user can
get out of a chroot a million different ways

Alan
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