Index: sys/netinet/udp_usrreq.c
===================================================================
--- sys/netinet/udp_usrreq.c
+++ sys/netinet/udp_usrreq.c
@@ -576,6 +576,8 @@
 				struct mbuf *n;
 
 				if ((n = m_copy(m, 0, M_COPYALL)) != NULL) {
+					UDP_PROBE(receive, NULL, last, ip,
+					    last, uh);
 					udp_append(last, ip, n, iphlen,
 					    &udp_in);
 				}
@@ -607,6 +609,7 @@
 			INP_INFO_RUNLOCK(pcbinfo);
 			goto badunlocked;
 		}
+		UDP_PROBE(receive, NULL, last, ip, last, uh);
 		udp_append(last, ip, m, iphlen, &udp_in);
 		INP_RUNLOCK(last);
 		INP_INFO_RUNLOCK(pcbinfo);
Index: sys/netinet6/udp6_usrreq.c
===================================================================
--- sys/netinet6/udp6_usrreq.c
+++ sys/netinet6/udp6_usrreq.c
@@ -370,6 +370,8 @@
 
 				if ((n = m_copy(m, 0, M_COPYALL)) != NULL) {
 					INP_RLOCK(last);
+					UDP_PROBE(receive, NULL, last, ip6,
+					    last, uh);
 					udp6_append(last, n, off, &fromsa);
 					INP_RUNLOCK(last);
 				}