linux-kernel - Re: The ext3 way of journalling

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Message-ID: <slrn-0.9.7.4-27208-4606-200801121808-tc@hexane.ssi.swin.edu.au>
Date:	Sat, 12 Jan 2008 18:10:18 +1100
From:	TimC <tconnors@...ro.swin.edu.au>
To:	Bodo Eggert <7eggert@....de>
Cc:	Lennart Sorensen <lsorense@...lub.uwaterloo.ca>,
	Bodo Eggert <7eggert@....de>,
	Matthias Schniedermeyer <ms@...d.de>,
	Tuomo Valkonen <tuomov@....fi>, linux-kernel@...r.kernel.org
Subject: Re: The ext3 way of journalling

Bodo Eggert <7eggert@....de> said on Sat, 12 Jan 2008 02:41:17 +0100 (CET):
> On Fri, 11 Jan 2008, Lennart Sorensen wrote:
> > On Fri, Jan 11, 2008 at 05:22:45PM +0100, Bodo Eggert wrote:
> 
> > > What can happen if someone does tune2fs -Lroot /dev/usbstick
> > > and puts that stick into this system?
> > 
> > Don't know.  I use UUIDs rather than LABELs.  Having duplicated labels
> > just means being careless.  Having duplicate UUIDs should require being
> > malicous.
> 
> That's exactly what you have to assume for your users. Otherwise, you could 
> remove any security feature from the system.

If they've got physical access to your machine, you've already lost.

-- 
TimC
A bug in the code is worth two in the documentation. --unknown
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