From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jouni Malinen , Johannes Berg Subject: [ 015/127] mac80211: fix AP-mode frame matching Date: Wed, 5 Jun 2013 14:33:02 -0700 Message-Id: <20130605213219.777712779@linuxfoundation.org> In-Reply-To: <20130605213217.966891866@linuxfoundation.org> References: <20130605213217.966891866@linuxfoundation.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: 3.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Johannes Berg commit 2b9ccd4e4308272e5aec614b77c5385e7ec2ec90 upstream. In AP mode, ignore frames with mis-matched BSSID that aren't multicast or sent to the correct destination. This fixes reporting public action frames to userspace multiple times on multiple virtual AP interfaces. Reported-by: Jouni Malinen Signed-off-by: Johannes Berg Signed-off-by: Greg Kroah-Hartman --- net/mac80211/rx.c | 3 +++ 1 file changed, 3 insertions(+) --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -3032,6 +3032,9 @@ static int prepare_for_handlers(struct i * and location updates. Note that mac80211 * itself never looks at these frames. */ + if (!multicast && + !ether_addr_equal(sdata->vif.addr, hdr->addr1)) + return 0; if (ieee80211_is_public_action(hdr, skb->len)) return 1; if (!ieee80211_is_beacon(hdr->frame_control))