---

yaml
---
r: 200162
b: refs/heads/master
c: 8ae5977
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 397f385bdba6cdf7752467a7ae81810340929e44
+refs/heads/master: 8ae5977ff95c03fe6c36a5721c57dcb4bfe4f290

trunk/net/mac80211/rx.c

@@ -1818,17 +1818,26 @@ ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx, struct sk_buff_head *frames)
 		return RX_CONTINUE;
 
 	if (ieee80211_is_back_req(bar->frame_control)) {
+		struct {
+			__le16 control, start_seq_num;
+		} __packed bar_data;
+
 		if (!rx->sta)
 			return RX_DROP_MONITOR;
+
+		if (skb_copy_bits(skb, offsetof(struct ieee80211_bar, control),
+				  &bar_data, sizeof(bar_data)))
+			return RX_DROP_MONITOR;
+
 		spin_lock(&rx->sta->lock);
-		tid = le16_to_cpu(bar->control) >> 12;
+		tid = le16_to_cpu(bar_data.control) >> 12;
 		if (!rx->sta->ampdu_mlme.tid_active_rx[tid]) {
 			spin_unlock(&rx->sta->lock);
 			return RX_DROP_MONITOR;
 		}
 		tid_agg_rx = rx->sta->ampdu_mlme.tid_rx[tid];
 
-		start_seq_num = le16_to_cpu(bar->start_seq_num) >> 4;
+		start_seq_num = le16_to_cpu(bar_data.start_seq_num) >> 4;
 
 		/* reset session timer */
 		if (tid_agg_rx->timeout)