diff --git a/sys/netinet/raw_ip.c b/sys/netinet/raw_ip.c
--- a/sys/netinet/raw_ip.c
+++ b/sys/netinet/raw_ip.c
@@ -557,6 +557,7 @@
 		 */
 		if ((hlen < sizeof (*ip))
 		    || ((hlen > sizeof (*ip)) && inp->inp_options)
+			|| (m->m_pkthdr.len == 0)
 		    || (ntohs(ip->ip_len) != m->m_pkthdr.len)) {
 			INP_RUNLOCK(inp);
 			m_freem(m);