From afdfad047fe500d4910187dc64ccdf12a0bafb28 Mon Sep 17 00:00:00 2001
From: dlg <dlg@openbsd.org>
Date: Thu, 3 Jun 2021 04:47:54 +0000
Subject: [PATCH] ip6_input_if used the ip6_hdr pointer uninitted after i
 refactored it.

i did test this, but i guess i was lucky. very lucky.

Coverity CID 1505114
---
 sys/netinet6/ip6_input.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sys/netinet6/ip6_input.c b/sys/netinet6/ip6_input.c
index 3e4cd189b54..4ddc3e998da 100644
--- a/sys/netinet6/ip6_input.c
+++ b/sys/netinet6/ip6_input.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ip6_input.c,v 1.236 2021/06/02 00:27:03 dlg Exp $	*/
+/*	$OpenBSD: ip6_input.c,v 1.237 2021/06/03 04:47:54 dlg Exp $	*/
 /*	$KAME: ip6_input.c,v 1.188 2001/03/29 05:34:31 itojun Exp $	*/
 
 /*
@@ -285,6 +285,8 @@ ip6_input_if(struct mbuf **mp, int *offp, int nxt, int af, struct ifnet *ifp)
 	if (m == NULL)
 		goto bad;
 
+	ip6 = mtod(m, struct ip6_hdr *);
+
 #if NCARP > 0
 	if (carp_lsdrop(ifp, m, AF_INET6, ip6->ip6_src.s6_addr32,
 	    ip6->ip6_dst.s6_addr32, (ip6->ip6_nxt == IPPROTO_ICMPV6 ? 0 : 1)))
-- 
2.20.1