From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from he.sipsolutions.net ([78.46.109.217]:49033 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755128Ab0EFR6o (ORCPT ); Thu, 6 May 2010 13:58:44 -0400 Subject: Re: 2.6.34-rc5-mmotm0428 - 2 RCU whinges in mac80211 From: Johannes Berg To: Valdis.Kletnieks@vt.edu Cc: Andrew Morton , "David S. Miller" , "John W. Linville" , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-wireless@vger.kernel.org In-Reply-To: <5820.1273167313@localhost> References: <5820.1273167313@localhost> Content-Type: text/plain; charset="UTF-8" Date: Thu, 06 May 2010 19:58:16 +0200 Message-ID: <1273168696.23199.0.camel@jlt3.sipsolutions.net> Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Thu, 2010-05-06 at 13:35 -0400, Valdis.Kletnieks@vt.edu wrote: > Spotted these in my dmesg, hopefully somebody is interested... > > [ 54.076863] wlan0: deauthenticating from 00:11:20:a4:4c:11 by local choice (reason=3) > [ 54.080580] > [ 54.080581] =================================================== > [ 54.080584] [ INFO: suspicious rcu_dereference_check() usage. ] > [ 54.080586] --------------------------------------------------- > [ 54.080589] net/mac80211/sta_info.c:858 invoked rcu_dereference_check() without protection! I'm pretty sure I fixed those so there should be a patch on its way to or in mainline somewhere. johannes