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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: vherva@niksula.hut.fi (Ville Herva)
Cc: linux-kernel@vger.kernel.org
Subject: Re: prevent breaking a chroot() jail?
Date: Fri, 5 Jul 2002 22:15:07 +0100 (BST)	[thread overview]
Message-ID: <E17QaPz-0004Db-00@the-village.bc.nu> (raw)
In-Reply-To: <20020705184503.GQ1548@niksula.cs.hut.fi> from "Ville Herva" at Jul 05, 2002 09:45:03 PM

> ISTR UML had some security problems (guest processes being able to disrupt
> host processes or just guest processes being able to disrupt other guest
> processes). Have those been resolved yet? 

Yes

> Do people use it in production? Last I heard someone had evaluated it, it
> had ended up consuming way too much CPU per "jail" for whatever reason.
> Perhaps things are better already...

It needs some work, and probably ultimately a couple of assists to
do sigaltmm and VM style pagex

  reply	other threads:[~2002-07-05 21:18 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-07-05 13:50 Shaya Potter
2002-07-05 14:02 ` Miquel van Smoorenburg
2002-07-05 14:37   ` Shaya Potter
2002-07-05 16:14     ` Jesse Pollard
2002-07-05 21:00     ` David Wagner
2002-07-05 22:26       ` Martin Josefsson
2002-07-05 14:15 ` Thunder from the hill
2002-07-05 15:17 ` Vance Lankhaar
2002-07-05 18:15 ` H. Peter Anvin
2002-07-05 18:45   ` Ville Herva
2002-07-05 21:15     ` Alan Cox [this message]
2002-07-05 21:48     ` Jeff Dike
2002-07-05 21:07       ` Ville Herva
2002-07-05 21:35 ` Alan Cox
2002-07-09  3:07 ` Pavel Machek
2002-07-05 15:16 Hank Leininger
2002-07-05 16:17 ` Ville Herva
2002-07-09 13:41   ` Bill Davidsen

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