linux-kernel - Re: Chroot bug

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Message-ID: <20070926052553.GK10199@1wt.eu>
Date:	Wed, 26 Sep 2007 07:25:53 +0200
From:	Willy Tarreau <w@....eu>
To:	Kyle Moffett <mrmacman_g4@....com>
Cc:	Adrian Bunk <bunk@...nel.org>,
	David Newall <david@...idnewall.com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	"Serge E. Hallyn" <serge@...lyn.com>,
	Bill Davidsen <davidsen@....com>,
	Philipp Marek <philipp@...ek.priv.at>, 7eggert@....de,
	majkls <majkls@...pere.com>, bunk@...tum.de,
	linux-kernel@...r.kernel.org
Subject: Re: Chroot bug

On Wed, Sep 26, 2007 at 01:21:08AM -0400, Kyle Moffett wrote:
(...)
> Now, like magic, the entire system is once more accessible.
> 
> Alternatively you could:
>   mount -t proc proc /proc
>   cat /proc/1/mounts
>   mount -t $ROOTFS_FROM_PROC $ROOTDEV_FROM_PROC /

Since 2.6.20, it was even simpler :
   mount -t proc proc /proc
   cd /proc/1/cwd

Cheers,
Willy

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