From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759353Ab0EFSaa (ORCPT ); Thu, 6 May 2010 14:30:30 -0400 Received: from lennier.cc.vt.edu ([198.82.162.213]:52333 "EHLO lennier.cc.vt.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752130Ab0EFSa3 (ORCPT ); Thu, 6 May 2010 14:30:29 -0400 X-Mailer: exmh version 2.7.2 01/07/2005 with nmh-1.2 To: Johannes Berg Cc: Andrew Morton , "David S. Miller" , "John W. Linville" , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-wireless@vger.kernel.org Subject: Re: 2.6.34-rc5-mmotm0428 - 2 RCU whinges in mac80211 In-Reply-To: Your message of "Thu, 06 May 2010 19:58:16 +0200." <1273168696.23199.0.camel@jlt3.sipsolutions.net> From: Valdis.Kletnieks@vt.edu References: <5820.1273167313@localhost> <1273168696.23199.0.camel@jlt3.sipsolutions.net> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_1273170584_4094P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Thu, 06 May 2010 14:29:44 -0400 Message-ID: <8269.1273170584@localhost> X-Mirapoint-Received-SPF: 128.173.14.107 localhost Valdis.Kletnieks@vt.edu 2 pass X-Mirapoint-IP-Reputation: reputation=neutral-1, source=Fixed, refid=n/a, actions=MAILHURDLE SPF TAG X-Junkmail-Info: (45) HELO_LOCALHOST X-Junkmail-Status: score=45/50, host=dagger.cc.vt.edu X-Junkmail-SD-Raw: score=unknown, refid=str=0001.0A020209.4BE30A99.0065,ss=1,fgs=0, ip=0.0.0.0, so=2009-09-22 00:05:22, dmn=2009-09-10 00:05:08, mode=multiengine X-Junkmail-IWF: false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --==_Exmh_1273170584_4094P Content-Type: text/plain; charset=us-ascii On Thu, 06 May 2010 19:58:16 +0200, Johannes Berg said: > 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. Oh, OK. I didn't remember seeing them mentioned before, but I must have missed somebody else's post about it due to the lkml firehose effect. I've moved these to my "whinge if it isn't fixed in the next -mmotm" queue. --==_Exmh_1273170584_4094P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) Comment: Exmh version 2.5 07/13/2001 iD8DBQFL4wqYcC3lWbTT17ARArwmAJ9LGHTpYagAUMm99LssnBt4wXq9TACffiKa sLhU9+s1wcwIGoTU9C7LjK0= =dTom -----END PGP SIGNATURE----- --==_Exmh_1273170584_4094P--