Date: Fri, 19 Jul 2002 17:01:05 -0400 (EDT) From: Robert Watson <rwatson@freebsd.org> To: David Malone <dwmalone@maths.tcd.ie> Cc: Zbyszek Sobiecki <kodz@slonce.com>, freebsd-hackers@freebsd.org Subject: Re: systrace. Message-ID: <Pine.NEB.3.96L.1020719165845.26680A-100000@fledge.watson.org> In-Reply-To: <20020719145726.GA73051@walton.maths.tcd.ie>
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On Fri, 19 Jul 2002, David Malone wrote: > On Fri, Jul 19, 2002 at 03:50:33PM +0200, Zbyszek Sobiecki wrote: > > Is there any work done on porting systrace to FreeBSD? > > I started looking at it and began porting it to current. It doesn't look > too hard. I'll probably get it finished at some stage, but if someone > else wanted to look at it they should go ahead 'cos I've been a bit busy > recently. > > I actually thought that there might be some race conditions in the code > but didn't have a recent OpenBSD machine to test my theory on. I tend to agree, having noticed what is presumably the same problem -- I chatted with Angelos about it at a recent DARPA PI meeting, and I think we concluded that the race conditions do exist and may well be exploitable. Someone dropped me an e-mail saying they had done a port, but I was on travel at the time so didn't respond--I think it would be useful to look into integrating it, but the race conditions do need to be closed. Robert N M Watson FreeBSD Core Team, TrustedBSD Projects robert@fledge.watson.org Network Associates Laboratories To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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