Return-path: Received: from s3.sipsolutions.net ([5.9.151.49]:53765 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755083AbcDEKTf (ORCPT ); Tue, 5 Apr 2016 06:19:35 -0400 Message-ID: <1459851570.18188.45.camel@sipsolutions.net> (sfid-20160405_121938_011798_D7FDA0E0) Subject: Re: [PATCH v2] mac80211: mesh: fix crash in mesh_path_timer From: Johannes Berg To: Bob Copeland Cc: linux-wireless@vger.kernel.org Date: Tue, 05 Apr 2016 12:19:30 +0200 In-Reply-To: <1458353004-8062-1-git-send-email-me@bobcopeland.com> (sfid-20160319_030332_405389_1AF16D7E) References: <1458353004-8062-1-git-send-email-me@bobcopeland.com> (sfid-20160319_030332_405389_1AF16D7E) Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Fri, 2016-03-18 at 22:03 -0400, Bob Copeland wrote: > The mesh_path_reclaim() function, called from an rcu callback, > cancels > the mesh_path_timer associated with a mesh path.  Unfortunately, this > call can happen much later, perhaps after the hash table itself is > destroyed. > [...] applied. johannes