From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:46424 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932353AbcCLHE6 (ORCPT ); Sat, 12 Mar 2016 02:04:58 -0500 Subject: Patch "mac80211: Fix Public Action frame RX in AP mode" has been added to the 4.4-stable tree To: jouni@qca.qualcomm.com, gregkh@linuxfoundation.org, johannes.berg@intel.com Cc: , From: Date: Fri, 11 Mar 2016 23:04:37 -0800 Message-ID: <14577662773623@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled mac80211: Fix Public Action frame RX in AP mode to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: mac80211-fix-public-action-frame-rx-in-ap-mode.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 1ec7bae8bec9b72e347e01330c745ab5cdd66f0e Mon Sep 17 00:00:00 2001 From: Jouni Malinen Date: Tue, 1 Mar 2016 00:29:00 +0200 Subject: mac80211: Fix Public Action frame RX in AP mode From: Jouni Malinen commit 1ec7bae8bec9b72e347e01330c745ab5cdd66f0e upstream. Public Action frames use special rules for how the BSSID field (Address 3) is set. A wildcard BSSID is used in cases where the transmitter and recipient are not members of the same BSS. As such, we need to accept Public Action frames with wildcard BSSID. Commit db8e17324553 ("mac80211: ignore frames between TDLS peers when operating as AP") added a rule that drops Action frames to TDLS-peers based on an Action frame having different DA (Address 1) and BSSID (Address 3) values. This is not correct since it misses the possibility of BSSID being a wildcard BSSID in which case the Address 1 would not necessarily match. Fix this by allowing mac80211 to accept wildcard BSSID in an Action frame when in AP mode. Fixes: db8e17324553 ("mac80211: ignore frames between TDLS peers when operating as AP") Signed-off-by: Jouni Malinen Signed-off-by: Johannes Berg Signed-off-by: Greg Kroah-Hartman --- net/mac80211/rx.c | 1 + 1 file changed, 1 insertion(+) --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -3385,6 +3385,7 @@ static bool ieee80211_accept_frame(struc return false; /* ignore action frames to TDLS-peers */ if (ieee80211_is_action(hdr->frame_control) && + !is_broadcast_ether_addr(bssid) && !ether_addr_equal(bssid, hdr->addr1)) return false; } Patches currently in stable-queue which might be from jouni@qca.qualcomm.com are queue-4.4/mac80211-fix-public-action-frame-rx-in-ap-mode.patch