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-rw-r--r--sys/netinet/ip_input.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/sys/netinet/ip_input.c b/sys/netinet/ip_input.c
index 0a3f285fd0d..47b2b3e8016 100644
--- a/sys/netinet/ip_input.c
+++ b/sys/netinet/ip_input.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ip_input.c,v 1.167 2009/08/10 11:48:02 henning Exp $ */
+/* $OpenBSD: ip_input.c,v 1.168 2009/08/10 13:20:08 henning Exp $ */
/* $NetBSD: ip_input.c,v 1.30 1996/03/16 23:53:58 christos Exp $ */
/*
@@ -1477,8 +1477,8 @@ ip_forward(m, srcrt)
mfake.m_type = m->m_type;
M_DUP_PKTHDR(&mfake, m);
mfake.m_data = mfake.m_pktdat;
- len = min(ntohs(ip->ip_len), 68);
- bcopy(ip, mfake.m_pktdat, len);
+ len = min(min(ntohs(ip->ip_len), 68), MHLEN);
+ m_copydata(m, 0, len, mfake.m_pktdat);
mfake.m_pkthdr.len = mfake.m_len = len;
ip->ip_ttl -= IPTTLDEC;