3 files changed, 30 insertions, 5 deletions
diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c
index c62dd247774..7712578bdc6 100644
--- a/net/ipv6/ip6_flowlabel.c
+++ b/net/ipv6/ip6_flowlabel.c
@@ -323,17 +323,21 @@ static struct ip6_flowlabel *
 fl_create(struct net *net, struct in6_flowlabel_req *freq, char __user *optval,
 	  int optlen, int *err_p)
 {
-	struct ip6_flowlabel *fl;
+	struct ip6_flowlabel *fl = NULL;
 	int olen;
 	int addr_type;
 	int err;
 
+	olen = optlen - CMSG_ALIGN(sizeof(*freq));
+	err = -EINVAL;
+	if (olen > 64 * 1024)
+		goto done;
+
 	err = -ENOMEM;
 	fl = kzalloc(sizeof(*fl), GFP_KERNEL);
 	if (fl == NULL)
 		goto done;
 
-	olen = optlen - CMSG_ALIGN(sizeof(*freq));
 	if (olen > 0) {
 		struct msghdr msg;
 		struct flowi flowi;
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 58e2b0d9375..d994c55a5b1 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -249,8 +249,8 @@ static struct ip6_tnl *ip6_tnl_create(struct net *net, struct ip6_tnl_parm *p)
 	}
 
 	t = netdev_priv(dev);
-	ip6_tnl_dev_init(dev);
 	t->parms = *p;
+	ip6_tnl_dev_init(dev);
 
 	if ((err = register_netdevice(dev)) < 0)
 		goto failed_free;
diff --git a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
index c455cf4ee75..c323643ffcf 100644
--- a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
@@ -49,8 +49,19 @@ static bool icmpv6_pkt_to_tuple(const struct sk_buff *skb,
 static const u_int8_t invmap[] = {
 	[ICMPV6_ECHO_REQUEST - 128]	= ICMPV6_ECHO_REPLY + 1,
 	[ICMPV6_ECHO_REPLY - 128]	= ICMPV6_ECHO_REQUEST + 1,
-	[ICMPV6_NI_QUERY - 128]		= ICMPV6_NI_QUERY + 1,
-	[ICMPV6_NI_REPLY - 128]		= ICMPV6_NI_REPLY +1
+	[ICMPV6_NI_QUERY - 128]		= ICMPV6_NI_REPLY + 1,
+	[ICMPV6_NI_REPLY - 128]		= ICMPV6_NI_QUERY +1
+};
+
+static const u_int8_t noct_valid_new[] = {
+	[ICMPV6_MGM_QUERY - 130] = 1,
+	[ICMPV6_MGM_REPORT -130] = 1,
+	[ICMPV6_MGM_REDUCTION - 130] = 1,
+	[NDISC_ROUTER_SOLICITATION - 130] = 1,
+	[NDISC_ROUTER_ADVERTISEMENT - 130] = 1,
+	[NDISC_NEIGHBOUR_SOLICITATION - 130] = 1,
+	[NDISC_NEIGHBOUR_ADVERTISEMENT - 130] = 1,
+	[ICMPV6_MLD2_REPORT - 130] = 1
 };
 
 static bool icmpv6_invert_tuple(struct nf_conntrack_tuple *tuple,
@@ -178,6 +189,7 @@ icmpv6_error(struct net *net, struct sk_buff *skb, unsigned int dataoff,
 {
 	const struct icmp6hdr *icmp6h;
 	struct icmp6hdr _ih;
+	int type;
 
 	icmp6h = skb_header_pointer(skb, dataoff, sizeof(_ih), &_ih);
 	if (icmp6h == NULL) {
@@ -194,6 +206,15 @@ icmpv6_error(struct net *net, struct sk_buff *skb, unsigned int dataoff,
 		return -NF_ACCEPT;
 	}
 
+	type = icmp6h->icmp6_type - 130;
+	if (type >= 0 && type < sizeof(noct_valid_new) &&
+	    noct_valid_new[type]) {
+		skb->nfct = &nf_conntrack_untracked.ct_general;
+		skb->nfctinfo = IP_CT_NEW;
+		nf_conntrack_get(skb->nfct);
+		return NF_ACCEPT;
+	}
+
 	/* is not error message ? */
 	if (icmp6h->icmp6_type >= 128)
 		return NF_ACCEPT;