From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH] udp: Fix potential wrong ip_hdr(skb) pointers Date: Fri, 06 Feb 2009 01:59:35 -0800 (PST) Message-ID: <20090206.015935.60090330.davem@davemloft.net> References: <1233910824.21135.6.camel@localhost.localdomain> <20090206.010824.99072382.davem@davemloft.net> <1233914158.21135.11.camel@localhost.localdomain> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: jdb@comx.dk Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:50573 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752249AbZBFJ7j (ORCPT ); Fri, 6 Feb 2009 04:59:39 -0500 In-Reply-To: <1233914158.21135.11.camel@localhost.localdomain> Sender: netdev-owner@vger.kernel.org List-ID: From: Jesper Dangaard Brouer Date: Fri, 06 Feb 2009 10:55:58 +0100 > On Fri, 2009-02-06 at 01:08 -0800, David Miller wrote: > > Please respin this patch of your's with proper commit message > > and signoffs, thanks! > > Like the UDP header fix, pskb_may_pull() can potentially > alter the SKB buffer. Thus the saddr and daddr, pointers > may point to the old skb->data buffer. > > I haven't seen corruptions, as its only seen if the old > skb->data buffer were reallocated by another user and > written into very quickly (or poison'd by SLAB debugging). > > Signed-off-by: Jesper Dangaard Brouer Applied, thanks!