From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH] rds: Error on offset mismatch if not loopback Date: Fri, 21 Sep 2012 13:20:45 -0400 (EDT) Message-ID: <20120921.132045.951559071646755065.davem@davemloft.net> References: <20120920071134.GF14393@linux-tkdk.sfcn.org> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: linux-kernel@vger.kernel.org, venkat.x.venkatsubra@oracle.com, netdev@vger.kernel.org To: jjolly@suse.com Return-path: In-Reply-To: <20120920071134.GF14393@linux-tkdk.sfcn.org> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: John Jolly Date: Thu, 20 Sep 2012 01:11:34 -0600 > Attempting an rds connection from the IP address of an IPoIB interface > to itself causes a kernel panic due to a BUG_ON() being triggered. Making > the test less strict allows rds-ping to work without crashing the machine. > > A local unprivileged user could use this flaw to crash the sytem. Please read Documentation/SubmittingPatches to learn how to properly submit a change, in particular your patch submission was missing a proper signoff. Thanks.