From: Martin Townsend <martin.townsend@xxxxxxxxxx>
If received frame contains the reserved destination address mode. The
frame should be dropped and free the skb.
Signed-off-by: Martin Townsend <martin.townsend@xxxxxxxxxx>
Signed-off-by: Alexander Aring <alex.aring@xxxxxxxxx>
---
net/mac802154/wpan.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/net/mac802154/wpan.c b/net/mac802154/wpan.c
index 4c13323..5478388 100644
--- a/net/mac802154/wpan.c
+++ b/net/mac802154/wpan.c
@@ -462,7 +462,10 @@ mac802154_subif_frame(struct mac802154_sub_if_data *sdata, struct sk_buff *skb,
skb->pkt_type = PACKET_OTHERHOST;
break;
default:
- break;
+ spin_unlock_bh(&sdata->mib_lock);
+ pr_debug("invalid dest mode\n");
+ kfree_skb(skb);
+ return NET_RX_DROP;
}
spin_unlock_bh(&sdata->mib_lock);
--
2.0.4
--
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