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-rw-r--r--sys/netinet6/ip6_forward.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/netinet6/ip6_forward.c b/sys/netinet6/ip6_forward.c
index 2eff0072897..b2b6e46e2df 100644
--- a/sys/netinet6/ip6_forward.c
+++ b/sys/netinet6/ip6_forward.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ip6_forward.c,v 1.95 2017/06/30 11:29:15 bluhm Exp $ */
+/* $OpenBSD: ip6_forward.c,v 1.96 2017/11/21 12:05:09 mpi Exp $ */
/* $KAME: ip6_forward.c,v 1.75 2001/06/29 12:42:13 jinmei Exp $ */
/*
@@ -240,6 +240,8 @@ reroute:
* modified by a redirect.
*/
ifp = if_get(rt->rt_ifidx);
+ if (ifp == NULL)
+ goto freecopy;
if (rt->rt_ifidx == m->m_pkthdr.ph_ifidx && !srcrt &&
ip6_sendredirects &&
(rt->rt_flags & (RTF_DYNAMIC|RTF_MODIFIED)) == 0) {