From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EE7FFC432C0 for ; Thu, 21 Nov 2019 05:30:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CCCB520872 for ; Thu, 21 Nov 2019 05:30:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727216AbfKUFag (ORCPT ); Thu, 21 Nov 2019 00:30:36 -0500 Received: from Chamillionaire.breakpoint.cc ([193.142.43.52]:51614 "EHLO Chamillionaire.breakpoint.cc" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726132AbfKUFag (ORCPT ); Thu, 21 Nov 2019 00:30:36 -0500 Received: from fw by Chamillionaire.breakpoint.cc with local (Exim 4.92) (envelope-from ) id 1iXf31-0001ve-6r; Thu, 21 Nov 2019 06:30:31 +0100 Date: Thu, 21 Nov 2019 06:30:31 +0100 From: Florian Westphal To: Byron Stanoszek Cc: Florian Westphal , "David S. Miller" , linux-kernel@vger.kernel.org, netdev@vger.kernel.org Subject: Re: Kernel 5.4 regression - memory leak in network layer Message-ID: <20191121053031.GI20235@breakpoint.cc> References: <20191119162222.GA20235@breakpoint.cc> <20191120202822.GF20235@breakpoint.cc> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Byron Stanoszek wrote: > On Wed, 20 Nov 2019, Florian Westphal wrote: > > Not reproducible. > > > > I'm on > > > > c74386d50fbaf4a54fd3fe560f1abc709c0cff4b ("afs: Fix missing timeout reset"). > > I confirm I still see the issue on that commit. [..] > netperf -H 172.17.2.11 -t UDP_RR Ah, thats all it takes. Its related to UDP_SKB_IS_STATELESS, commit 895b5c9f206eb7d25dc1360a is the culprit. I'll send a fix shortly.