Module Name:    src
Committed By:   martin
Date:           Fri Jul  7 09:46:40 UTC 2017

Modified Files:
        src/sys/netinet6 [netbsd-8]: icmp6.c

Log Message:
Pull up following revision(s) (requested by knakahara in ticket #106):
        sys/netinet6/icmp6.c: revision 1.212
fix PR kern/52353. implemented by ozaki-r@n.o. I just commit by proxy.
XXX need to pullup to -8.


To generate a diff of this commit:
cvs rdiff -u -r1.211 -r1.211.6.1 src/sys/netinet6/icmp6.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/netinet6/icmp6.c
diff -u src/sys/netinet6/icmp6.c:1.211 src/sys/netinet6/icmp6.c:1.211.6.1
--- src/sys/netinet6/icmp6.c:1.211	Tue Mar 14 04:24:04 2017
+++ src/sys/netinet6/icmp6.c	Fri Jul  7 09:46:40 2017
@@ -1,4 +1,4 @@
-/*	$NetBSD: icmp6.c,v 1.211 2017/03/14 04:24:04 ozaki-r Exp $	*/
+/*	$NetBSD: icmp6.c,v 1.211.6.1 2017/07/07 09:46:40 martin Exp $	*/
 /*	$KAME: icmp6.c,v 1.217 2001/06/20 15:03:29 jinmei Exp $	*/
 
 /*
@@ -62,7 +62,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: icmp6.c,v 1.211 2017/03/14 04:24:04 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: icmp6.c,v 1.211.6.1 2017/07/07 09:46:40 martin Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -494,6 +494,15 @@ _icmp6_input(struct mbuf *m, int off, in
 		goto freeit;
 	}
 
+	if (m->m_len < sizeof(struct ip6_hdr)) {
+		m = m_pullup(m, sizeof(struct ip6_hdr));
+		if (m == NULL) {
+			ICMP6_STATINC(ICMP6_STAT_TOOSHORT);
+			icmp6_ifstat_inc(rcvif, ifs6_in_error);
+			goto freeit;
+		}
+	}
+
 	ip6 = mtod(m, struct ip6_hdr *);
 	IP6_EXTHDR_GET(icmp6, struct icmp6_hdr *, m, off, sizeof(*icmp6));
 	if (icmp6 == NULL) {

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