From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754823Ab2A0MrJ (ORCPT ); Fri, 27 Jan 2012 07:47:09 -0500 Received: from mx2.mail.elte.hu ([157.181.151.9]:41111 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754298Ab2A0MrH (ORCPT ); Fri, 27 Jan 2012 07:47:07 -0500 Date: Fri, 27 Jan 2012 13:46:41 +0100 From: Ingo Molnar To: netdev@vger.kernel.org, "David S. Miller" Cc: linux-kernel@vger.kernel.org Subject: [v3.3-rc1 regression] TCP: too many of orphaned sockets Message-ID: <20120127124641.GA30819@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=unknown-8bit Content-Disposition: inline Content-Transfer-Encoding: 8bit User-Agent: Mutt/1.5.21 (2010-09-15) X-ELTE-SpamScore: -2.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.0 required=5.9 tests=AWL,BAYES_00 autolearn=no SpamAssassin version=3.3.1 -2.0 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] 0.0 AWL AWL: From: address is in the auto white-list Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org There's a new TCP regression in latest -git that triggers in randconfig testing. With the attached config i'm getting tons of these messages: [ 32.751209] TCP: too many of orphaned sockets [ 37.198307] TCP: too many of orphaned sockets [ 42.464404] TCP: too many of orphaned sockets [ 48.920392] TCP: too many of orphaned sockets [ 56.370026] TCP: too many of orphaned sockets [ 64.605937] TCP: too many of orphaned sockets and it's not possible to ssh into the testbox, the TCP connection hangs. Before i put more effort into debugging this, is this bug already known/fixed? NOTE: the .config is randconfig generated so it might have a few weird combinations of config options. One such thing i noticed is !CONFIG_BUG, this produces at least one of the following build warnings in the networking code: net/core/ethtool.c:211:1: warning: control reaches end of non-void function [-Wreturn-type] net/core/dev.c:1892:33: warning: unused variable ‘null_features’ [-Wunused-variable] net/packet/af_packet.c:1878:30: warning: ‘hdrlen’ may be used uninitialized in this function [-Wmaybe-uninitialized] net/xfrm/xfrm_policy.c:2456:17: warning: ‘xfrm_dst_ops’ may be used uninitialized in this function [-Wmaybe-uninitialized] net/xfrm/xfrm_policy.c:1351:7: warning: ‘dst_ops’ may be used uninitialized in this function [-Wmaybe-uninitialized] net/xfrm/xfrm_policy.c:1333:18: note: ‘dst_ops’ was declared here net/xfrm/xfrm_policy.c:1351:7: warning: ‘dst_ops’ may be used uninitialized in this function [-Wmaybe-uninitialized] net/xfrm/xfrm_policy.c:1333:18: note: ‘dst_ops’ was declared here Note#2, the message should probably be fixed as well: - TCP: too many of orphaned sockets + TCP: too many orphaned sockets Thanks, Ingo