From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from out1-smtp.messagingengine.com ([66.111.4.25]:44977 "EHLO out1-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752093AbdGMOBq (ORCPT ); Thu, 13 Jul 2017 10:01:46 -0400 Date: Thu, 13 Jul 2017 16:01:42 +0200 From: Greg KH To: Neal Cardwell Cc: Vinson Lee , stable@vger.kernel.org, Yuchung Cheng , Eric Dumazet , "David S. Miller" Subject: Re: [stable request 4.4] tcp: fix tcp_mark_head_lost to check skb len before fragmenting Message-ID: <20170713140142.GA2215@kroah.com> References: <20170627113149.GI10609@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Sender: stable-owner@vger.kernel.org List-ID: On Thu, Jul 06, 2017 at 03:02:16PM -0400, Neal Cardwell wrote: > �Hi, > > Yes, I can confirm that it would make sense to backport > > � �d88270e ("tcp: fix tcp_mark_head_lost to check skb len before fragmenting") > > to 4.4-stable. It should help address that warning shown in that stack trace. > > Unfortunately we don't have a packetdrill test case for this, and it triggers > quite rarely in our environment. But we have been running with this patch in > our environment for over a year, and it works fine for us. Thanks for the confirmation, will go apply it now. greg k-h