Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262145AbTERRxb (ORCPT ); Sun, 18 May 2003 13:53:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262153AbTERRxa (ORCPT ); Sun, 18 May 2003 13:53:30 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.31.123]:5385 "EHLO atrey.karlin.mff.cuni.cz") by vger.kernel.org with ESMTP id S262145AbTERRx3 (ORCPT ); Sun, 18 May 2003 13:53:29 -0400 Date: Sun, 18 May 2003 20:06:24 +0200 From: Pavel Machek To: Nathan Neulinger Cc: Pavel Machek , Linus Torvalds , David Howells , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, openafs-devel@openafs.org Subject: Re: [OpenAFS-devel] Re: [PATCH] in-core AFS multiplexor and PAG support Message-ID: <20030518180623.GA8035@atrey.karlin.mff.cuni.cz> References: <8812.1052841957@warthog.warthog> <20030513172029.GB25295@delft.aura.cs.cmu.edu> <20030517123044.GG686@zaurus.ucw.cz> <1053267749.23613.14.camel@nneul-laptop> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1053267749.23613.14.camel@nneul-laptop> User-Agent: Mutt/1.3.28i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1283 Lines: 35 > > ? If he has same uid as you *and* you > > have >=1 process running, what prevents > > him from gdb attach , > > and force it to do whatever he needs > > by forcing syscall? > > Pavel > > That's a good point, and perhaps it should be an option to not allow > ptrace or other potentially dangerous operations between processes in > different pags. But leave that optional, as it might still be useful - > for example, logging in and diagnosing a daemon running in a separate > pag. > > It's not clear if this would be best as a per-pag flag or a global one > though. Well, at that point you are getting quite far away from unix.... And this decision is pretty fundamental. > > -- Nathan > > ------------------------------------------------------------ > Nathan Neulinger EMail: nneul@umr.edu > University of Missouri - Rolla Phone: (573) 341-4841 > Computing Services Fax: (573) 341-4216 -- Horseback riding is like software... ...vgf orggre jura vgf serr. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/