Index: pf.c
===================================================================
RCS file: /cvs/src/sys/net/pf.c,v
retrieving revision 1.1106
diff -u -p -r1.1106 pf.c
--- pf.c	1 Feb 2021 00:31:05 -0000	1.1106
+++ pf.c	2 Feb 2021 03:44:51 -0000
@@ -6033,7 +6033,7 @@ pf_route(struct pf_pdesc *pd, struct pf_
 	    (ifp->if_flags & IFF_LOOPBACK) == 0)
 		ip->ip_src = ifatoia(rt->rt_ifa)->ia_addr.sin_addr;
 
-	if (s->rt != PF_DUPTO && pd->kif->pfik_ifp != ifp) {
+	if (s->rt != PF_DUPTO && pd->dir == PF_IN) {
 		if (pf_test(AF_INET, PF_OUT, ifp, &m0) != PF_PASS)
 			goto bad;
 		else if (m0 == NULL)
@@ -6178,7 +6178,7 @@ pf_route6(struct pf_pdesc *pd, struct pf
 	    (ifp->if_flags & IFF_LOOPBACK) == 0)
 		ip6->ip6_src = ifatoia6(rt->rt_ifa)->ia_addr.sin6_addr;
 
-	if (s->rt != PF_DUPTO && pd->kif->pfik_ifp != ifp) {
+	if (s->rt != PF_DUPTO && pd->dir == PF_IN) {
 		if (pf_test(AF_INET6, PF_OUT, ifp, &m0) != PF_PASS)
 			goto bad;
 		else if (m0 == NULL)