From: Johannes Berg <johannes@sipsolutions.net>
To: Jonathan Nieder <jrnieder@gmail.com>
Cc: "John W. Linville" <linville@tuxdriver.com>,
651199@bugs.debian.org, Ben Hutchings <ben@decadent.org.uk>,
Wey-Yi Guy <wey-yi.w.guy@intel.com>,
Intel Linux Wireless <ilw@linux.intel.com>,
linux-wireless <linux-wireless@vger.kernel.org>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
Andreas Gustafsson <olangu@impressions.se>,
Marco d'Itri <md@Linux.IT>,
Gabriel Kerneis <kerneis@pps.jussieu.fr>,
Shawn Thompson <shawn@projektenterprises.com>,
Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: iwlwifi WPA-TKIP crypto failure after group rekeying
Date: Mon, 05 Mar 2012 07:52:23 +0100 [thread overview]
Message-ID: <1330930343.3545.1.camel@jlt3.sipsolutions.net> (raw)
In-Reply-To: <20120305045334.GF30344@burratino> (sfid-20120305_055451_570064_79E67075)
Hi,
> >> To summarise, a WPA-TKIP managed connection stops passing traffic and
> >> the kernel log shows the message "WPA: Group rekeying". This apparently
> >> doesn't happen if the connection is in heavy use at the time or with
> >> module parameter swcrypto=1. WPA2 is not affected either.
> >
> > I think this is due to my patch "iwlagn: rewrite HW crypto" which
> > accidentally broke key *removal* (of all things), which causes issues
> > when the first GTK is removed on the second rekeying.
> >
> > This patch
> > [...]h=5dcbf480473f6c3f06ad2426b7517038a2a18911
> >
> > should fix it. Wey has sent it to John
> [...]
> > it's also marked for stable.
>
> Shawn Thompson (cc-ed) tested the patch against 3.2.9 and 3.3-rc6 and
> found it to work[1]. What can interested people do to help usher this
> into mainline?
Great, thanks for testing. The patch is already on the way into mainline
with a Cc:stable tag, so I don't think there's anything to do at this
point.
johannes
prev parent reply other threads:[~2012-03-05 6:52 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-27 5:33 iwlwifi WPA-TKIP crypto failure after group rekeying Ben Hutchings
2012-02-27 9:02 ` Johannes Berg
2012-02-27 13:59 ` Guy, Wey-Yi
2012-02-28 2:02 ` Jonathan Nieder
2012-03-05 4:53 ` Jonathan Nieder
2012-03-05 4:53 ` Jonathan Nieder
2012-03-05 6:52 ` Johannes Berg [this message]
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