linux-kernel - Re: sys_chroot+sys

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Message-ID: <20070919194559.36015307@the-village.bc.nu>
Date:	Wed, 19 Sep 2007 19:45:59 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Bill Davidsen <davidsen@....com>
Cc:	majkls <majkls@...pere.com>, bunk@...tum.de,
	linux-kernel@...r.kernel.org
Subject: Re: sys_chroot+sys_fchdir Fix

> I thought this was to prevent breaking out of chroot as a normal user.
> 	ie. chroot /var/myjail /bin/su - guest
> or similar.

Normal users cannot use chroot() themselves so they can't use chroot to
get back out
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