Index: if_vxlan.c
===================================================================
RCS file: /cvs/src/sys/net/if_vxlan.c,v
retrieving revision 1.88
diff -u -p -r1.88 if_vxlan.c
--- if_vxlan.c	18 Feb 2022 03:22:27 -0000	1.88
+++ if_vxlan.c	21 Feb 2022 03:36:59 -0000
@@ -633,6 +633,7 @@ vxlan_input(void *arg, struct mbuf *m, s
 	port = uh->uh_sport;
 
 	if (ip != NULL) {
+		memset(&addr, 0, sizeof(addr));
 		addr.in4 = ip->ip_src;
 		tos = ip->ip_tos;
 	}