From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: ip_rt_bug questions. Date: Mon, 18 Apr 2011 14:49:09 -0700 (PDT) Message-ID: <20110418.144909.52209035.davem@davemloft.net> References: <20110418214809.GA17443@redhat.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: davej@redhat.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:43208 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751494Ab1DRVtn (ORCPT ); Mon, 18 Apr 2011 17:49:43 -0400 In-Reply-To: <20110418214809.GA17443@redhat.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Dave Jones Date: Mon, 18 Apr 2011 17:48:10 -0400 > I managed to trigger this today.. > > ip_rt_bug: 0.0.0.0 -> 255.255.255.255, ? > > if this is useful in some way, maybe it should be enhanced > to print out something else, like a backtrace ? > > Also, should it be a printk_ratelimit() ? Or is there > ratelimiting done elsewhere in the routing code ? > > or should it just be silenced, leaving just the kfree_skb ? It's a very serious issue, it means we used an input route for packet output. Kernel version and what you were doing to trigger this?