From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756879Ab2LNSQN (ORCPT ); Fri, 14 Dec 2012 13:16:13 -0500 Received: from shards.monkeyblade.net ([149.20.54.216]:48882 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756648Ab2LNSQK (ORCPT ); Fri, 14 Dec 2012 13:16:10 -0500 Date: Fri, 14 Dec 2012 13:16:09 -0500 (EST) Message-Id: <20121214.131609.2271247275899669616.davem@davemloft.net> To: khlebnikov@openvz.org Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, isdn@linux-pingi.de Subject: Re: [PATCH 03/12] mISDN: fix race in timer canceling on module unloading From: David Miller In-Reply-To: <20121214110236.11019.98301.stgit@zurg> References: <20121214110229.11019.63713.stgit@zurg> <20121214110236.11019.98301.stgit@zurg> X-Mailer: Mew version 6.5 on Emacs 24.1 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Konstantin Khlebnikov Date: Fri, 14 Dec 2012 15:02:36 +0400 > Using timer_pending() without additional syncronization is racy, > del_timer_sync() must be used here for waiting in-flight handler. > Bug caught with help from "debug-objects" during random insmod/rmmod. > > Signed-off-by: Konstantin Khlebnikov Applied.