Received: by 2002:a25:7ec1:0:0:0:0:0 with SMTP id z184csp2803502ybc; Wed, 20 Nov 2019 21:33:37 -0800 (PST) X-Google-Smtp-Source: APXvYqxijEziHd4MxCSouO7GoLCk1O8QViRausjEsVw0vI7+NEG5XbBzl/m9I5PJNQmq2MY5atBo X-Received: by 2002:a17:906:b30c:: with SMTP id n12mr10969852ejz.96.1574314417550; Wed, 20 Nov 2019 21:33:37 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1574314417; cv=none; d=google.com; s=arc-20160816; b=z3D/4u/V7/QqqEg72AR1hvm75ajtL/I66JMGt5cRv5U+1xNwfZONDu5qf6jox4yLbB O+rIJRMZFXxetnszCiTVQEDl2Qm4uc8sbk+Jg40lJZZA/YMYmdRzko1Bjxx1hn+r9yM/ IRDy/SKfdP4T+qihHJOk3J9zHNcxZRJmPEaGKEEQS3D5G7fKvcnmlT3LJDEnDtA+6d87 2Y2SjaIXVXBCmxZ9PpY3s5db46yvBIB0b76n80tFRHvslzwioBgFS75COrIGKa48nWmQ crnlLGL9WDL851GRIxYt+JnNLqX0iXQWIWIfc+F3Gg3vvvK5nl5QwW4zMq1z1HWhAHua nF/w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=fVDSNrNr/YjNJr6j4Pdhfp20rw7KMDaoShqFkw47VS8=; b=rmO7kc1xSTVkR1nswoNBAce2gy/7D+8kIfHlR7GIyX3Z/P4Kc4KL7zBoAX7Zo9TjYz Q4qj6RZFHjaflQ+4hehc5Az8RzaA9kBahoPULOXH00dkHKIAB+W+M2PdtfStRk9gJPw3 NYd36PYUVVyqEMP+hYoQGQVjr5SOYpUqyTNP3vPAWRBOffzhEQ/OC5oP1gAI9U46MoGS +L98pZ3Iv7FkelhwqWg6oV8QTa2hPIryozz2YtoepqGaY2ge79Ff3ZlcMwc6K8COErpN p//zDu92Tdjnvg7xHJhE+5vvjeVEW86Y3YqAugXfNj2U+X58Lzdd9xopIa/CzypLFwbS EmRQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id v26si1004492eje.425.2019.11.20.21.33.14; Wed, 20 Nov 2019 21:33:37 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727208AbfKUFag (ORCPT + 99 others); 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.