From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Greg Kroah-Hartman , alan@lxorguk.ukuu.org.uk, Chaoxing Lin , Javier Cardona , Johannes Berg Subject: [ 16/66] mac80211: Only process mesh config header on frames that RA_MATCH Date: Wed, 14 Nov 2012 20:10:21 -0800 Message-Id: <20121115040940.185705729@linuxfoundation.org> In-Reply-To: <20121115040939.016421011@linuxfoundation.org> References: <20121115040939.016421011@linuxfoundation.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: 3.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Javier Cardona commit 555cb715be8ef98b8ec362b23dfc254d432a35b1 upstream. Doing otherwise is wrong, and may wreak havoc on the mpp tables, specially if the frame is encrypted. Reported-by: Chaoxing Lin Signed-off-by: Javier Cardona Signed-off-by: Johannes Berg Signed-off-by: Greg Kroah-Hartman --- net/mac80211/rx.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -1857,7 +1857,8 @@ ieee80211_rx_h_mesh_fwding(struct ieee80 mesh_rmc_check(hdr->addr3, mesh_hdr, rx->sdata)) return RX_DROP_MONITOR; - if (!ieee80211_is_data(hdr->frame_control)) + if (!ieee80211_is_data(hdr->frame_control) || + !(status->rx_flags & IEEE80211_RX_RA_MATCH)) return RX_CONTINUE; if (!mesh_hdr->ttl) @@ -1901,9 +1902,6 @@ ieee80211_rx_h_mesh_fwding(struct ieee80 } skb_set_queue_mapping(skb, q); - if (!(status->rx_flags & IEEE80211_RX_RA_MATCH)) - goto out; - if (!--mesh_hdr->ttl) { IEEE80211_IFSTA_MESH_CTR_INC(ifmsh, dropped_frames_ttl); return RX_DROP_MONITOR;