Date: Wed, 3 Oct 2007 19:17:35 +0100
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Al Viro <viro@ftp.linux.org.uk>
Cc: Casey Schaufler <casey@schaufler-ca.com>, torvalds@osdl.org,
       linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org,
       akpm@osdl.org, paul.moore@hp.com
Subject: Re: [PATCH] Version 4 (2.6.23-rc8-mm2) Smack: Simplified Mandatory
 Access Control Kernel
Message-ID: <20071003191735.4d92c593@the-village.bc.nu>
In-Reply-To: <20071003175237.GK8181@ftp.linux.org.uk>
References: <20071003051254.GH8181@ftp.linux.org.uk>
	<287091.73995.qm@web36604.mail.mud.yahoo.com>
	<20071003175237.GK8181@ftp.linux.org.uk>
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> Absolute paths in that kind of thing are _wrong_.  You know where the things
> are on your fs.  You don't know if anything else will be visible, let alone
> whether it will be at the same place in all chroots or namespaces.  And no,
> you _can't_ make sure that fs is visible only in one place.  No fs can or
> has any business even trying.

What I don't understand here is why we need the hacks when we already
support sufficient mount magic to give each login session its own
private /tmp ?
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