From mboxrd@z Thu Jan 1 00:00:00 1970 From: "J. Bruce Fields" Subject: Re: [PATCH] lockd: unlock when client rejects GRANTED_MSG Date: Tue, 3 Jul 2007 16:43:57 -0400 Message-ID: <20070703204357.GT14074@fieldses.org> References: <20070629155226.GA25561@janus> <20070701143801.GA22967@janus> <20070701145832.GA17334@fieldses.org> <20070701151154.GA23704@janus> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Cc: Linux NFS mailing list To: Frank van Maarseveen Return-path: Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.92] helo=mail.sourceforge.net) by sc8-sf-list2-new.sourceforge.net with esmtp (Exim 4.43) id 1I5pE6-0001kt-92 for nfs@lists.sourceforge.net; Tue, 03 Jul 2007 13:43:58 -0700 Received: from mail.fieldses.org ([66.93.2.214] helo=fieldses.org) by mail.sourceforge.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.44) id 1I5pE7-0007og-ES for nfs@lists.sourceforge.net; Tue, 03 Jul 2007 13:44:01 -0700 In-Reply-To: <20070701151154.GA23704@janus> List-Id: "Discussion of NFS under Linux development, interoperability, and testing." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: nfs-bounces@lists.sourceforge.net Errors-To: nfs-bounces@lists.sourceforge.net On Sun, Jul 01, 2007 at 05:11:54PM +0200, Frank van Maarseveen wrote: > On Sun, Jul 01, 2007 at 10:58:32AM -0400, J. Bruce Fields wrote: > > But I don't know how much trouble it's worth going to to get this right; > > the NLM protocol is inherently racy. Is this something you saw in real > > life? What was the client, and why did it refuse the grant? > > The grant was refused because the server replied with the wrong src > IP address. This bug is easy to trigger, see my earlier posting: > > http://marc.info/?l=linux-nfs&m=118313239503311&q=raw Is there any reason not to modify the server to get the source address right? --b. ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ NFS maillist - NFS@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs