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: Sat, 22 Sep 2012 15:25:24 -0400 (EDT) Message-ID: <20120922.152524.1294103117346567757.davem@davemloft.net> References: <20120921213239.GJ14393@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: Received: from shards.monkeyblade.net ([149.20.54.216]:34622 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751527Ab2IVTZ0 (ORCPT ); Sat, 22 Sep 2012 15:25:26 -0400 In-Reply-To: <20120921213239.GJ14393@linux-tkdk.sfcn.org> Sender: netdev-owner@vger.kernel.org List-ID: From: John Jolly Date: Fri, 21 Sep 2012 15:32:40 -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 system. > > Signed-off-by: John Jolly Besides the questions being asked of you by Venkat Venkatsubra, this patch has another issue. It has been completely corrupted by your email client, it has turned all TAB characters into spaces, making the patch useless. Please learn how to send a patch unmolested in the body of your email. Test it by emailing the patch to yourself, and verifying that you can in fact apply the patch you receive in that email. Then, and only then, should you consider making a new submission of this patch. Use Documentation/email-clients.txt for guidance.