wired: Check that packets are either unicast or multicast

2018-10-16 15:12:53 +02:00 · 2018-10-16 15:12:53 +02:00 · 2000a24ff6
parent 6dc2706459
commit 2000a24ff6
1 changed files with 4 additions and 0 deletions
--- a/wired/ethdev.c
+++ b/wired/ethdev.c
@ -266,6 +266,10 @@ static bool pae_read(struct l_io *io, void *user_data)
 	if (ntohs(sll.sll_protocol) != ETH_P_PAE)
 		return true;

+	if (sll.sll_pkttype != PACKET_HOST &&
+					sll.sll_pkttype != PACKET_MULTICAST)
+		return true;
+
 	dev = ethdev_lookup(sll.sll_ifindex);
 	if (!dev)
 		return true;