4 files changed, 15 insertions, 5 deletions
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index 410046a8cc91..e44deb8d4df2 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -661,6 +661,11 @@ int datagram_send_ctl(struct net *net,
 			switch (rthdr->type) {
 #if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
 			case IPV6_SRCRT_TYPE_2:
+				if (rthdr->hdrlen != 2 ||
+				    rthdr->segments_left != 1) {
+					err = -EINVAL;
+					goto exit_f;
+				}
 				break;
 #endif
 			default:
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 52a7eb0e2c2c..0524769632e7 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -224,7 +224,7 @@ static struct file_operations ip6mr_vif_fops = {
 	.open    = ip6mr_vif_open,
 	.read    = seq_read,
 	.llseek  = seq_lseek,
-	.release = seq_release,
+	.release = seq_release_private,
 };
 
 static void *ipmr_mfc_seq_start(struct seq_file *seq, loff_t *pos)
@@ -338,7 +338,7 @@ static struct file_operations ip6mr_mfc_fops = {
 	.open    = ipmr_mfc_open,
 	.read    = seq_read,
 	.llseek  = seq_lseek,
-	.release = seq_release,
+	.release = seq_release_private,
 };
 #endif
 
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 4e5eac301f91..2aa294be0c79 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -366,11 +366,16 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
 		}
 
 		/* routing header option needs extra check */
+		retv = -EINVAL;
 		if (optname == IPV6_RTHDR && opt && opt->srcrt) {
 			struct ipv6_rt_hdr *rthdr = opt->srcrt;
 			switch (rthdr->type) {
 #if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
 			case IPV6_SRCRT_TYPE_2:
+				if (rthdr->hdrlen != 2 ||
+				    rthdr->segments_left != 1)
+					goto sticky_done;
+
 				break;
 #endif
 			default:
diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
index 07f0b76e7427..97c17fdd6f75 100644
--- a/net/ipv6/proc.c
+++ b/net/ipv6/proc.c
@@ -132,7 +132,7 @@ static struct snmp_mib snmp6_udplite6_list[] = {
 
 static void snmp6_seq_show_icmpv6msg(struct seq_file *seq, void **mib)
 {
-	static char name[32];
+	char name[32];
 	int i;
 
 	/* print by name -- deprecated items */
@@ -144,7 +144,7 @@ static void snmp6_seq_show_icmpv6msg(struct seq_file *seq, void **mib)
 		p = icmp6type2name[icmptype];
 		if (!p)	/* don't print un-named types here */
 			continue;
-		(void) snprintf(name, sizeof(name)-1, "Icmp6%s%s",
+		snprintf(name, sizeof(name), "Icmp6%s%s",
 			i & 0x100 ? "Out" : "In", p);
 		seq_printf(seq, "%-32s\t%lu\n", name,
 			snmp_fold_field(mib, i));
@@ -157,7 +157,7 @@ static void snmp6_seq_show_icmpv6msg(struct seq_file *seq, void **mib)
 		val = snmp_fold_field(mib, i);
 		if (!val)
 			continue;
-		(void) snprintf(name, sizeof(name)-1, "Icmp6%sType%u",
+		snprintf(name, sizeof(name), "Icmp6%sType%u",
 			i & 0x100 ?  "Out" : "In", i & 0xff);
 		seq_printf(seq, "%-32s\t%lu\n", name, val);
 	}