From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Subject: Re: [BUG] af_unix race in close? Date: Wed, 23 Sep 2009 22:56:11 -0700 Message-ID: <20090923225611.425f40e5@nehalam> References: <20090923165421.60e0d49c@s6510> <4ABAF727.8060905@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: David Miller , netdev@vger.kernel.org, Jike Song To: Eric Dumazet Return-path: Received: from mail.vyatta.com ([76.74.103.46]:49948 "EHLO mail.vyatta.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752518AbZIXF4N (ORCPT ); Thu, 24 Sep 2009 01:56:13 -0400 In-Reply-To: <4ABAF727.8060905@gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: On Thu, 24 Sep 2009 06:35:51 +0200 Eric Dumazet wrote: > inted (2.6.31-0.125.4.2.rc5.git2.fc12.i686 #1) AOA110 > > EIP: 0060:[] EFLAGS: 00010202 CPU: 0 > > EIP is at unix_write_space+0x45/0x87 > > EAX: 6b6b6b6b EBX: ec988780 ECX: 00000000 EDX: 6b6b6b8f > > ESI: ec988950 EDI: ffffff20 EBP: ec941e28 ESP: ec941e1c > > DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 > > Process metacity (pid: 6809, ti=ec940000 task=e63095c0 task.ti=ec940000) > > Stack: > > 37dc7803 ec988780 000000e1 ec941e40 c0772142 37dc7803 dcc1c900 dcc1c900 > > <0> c07f6a02 ec941e50 c0775766 37dc7803 dcc1c900 ec941e60 c07754ae 37dc7803 > > <0> dcc1c900 ec941e78 c07755db 37dc7803 ec98b0c0 dcc1c900 00000000 ec941ea0 > > Call Trace: > > [] ? sock_wfree+0x44/0x68 > > [] ? unix_release_sock+0x182/0x1e0 > > [] ? skb_release_head_state+0x6c/0xcb > > [] ? __kfree_skb+0x20/0x94 > > [] ? kfree_skb+0x68/0x7f > > [] ? unix_release_sock+0x182/0x1e0 > > [] ? unix_release+0x2f/0x42 > > [] ? sock_release+0x29/0x7f > > [] ? sock_close+0x30/0x45 > > [] ? __fput+0x101/0x1a2 Good thanks. It should probably go up to stable as well.