14 files changed, 127 insertions, 245 deletions

diff --git a/net/ipv6/netfilter/Kconfig b/net/ipv6/netfilter/Kconfig
index 53ea512c460..29d643bcafa 100644
--- a/net/ipv6/netfilter/Kconfig
+++ b/net/ipv6/netfilter/Kconfig
@@ -95,13 +95,13 @@ config IP6_NF_MATCH_OPTS
 	  To compile it as a module, choose M here.  If unsure, say N.
 
 config IP6_NF_MATCH_HL
-	tristate '"hl" match support'
+	tristate '"hl" hoplimit match support'
 	depends on NETFILTER_ADVANCED
-	help
-	  HL matching allows you to match packets based on the hop
-	  limit of the packet.
-
-	  To compile it as a module, choose M here.  If unsure, say N.
+	select NETFILTER_XT_MATCH_HL
+	---help---
+	This is a backwards-compat option for the user's convenience
+	(e.g. when running oldconfig). It selects
+	CONFIG_NETFILTER_XT_MATCH_HL.
 
 config IP6_NF_MATCH_IPV6HEADER
 	tristate '"ipv6header" IPv6 Extension Headers Match'
@@ -130,6 +130,15 @@ config IP6_NF_MATCH_RT
 	  To compile it as a module, choose M here.  If unsure, say N.
 
 # The targets
+config IP6_NF_TARGET_HL
+	tristate '"HL" hoplimit target support'
+	depends on NETFILTER_ADVANCED
+	select NETFILTER_XT_TARGET_HL
+	---help---
+	This is a backwards-compat option for the user's convenience
+	(e.g. when running oldconfig). It selects
+	CONFIG_NETFILTER_XT_TARGET_HL.
+
 config IP6_NF_TARGET_LOG
 	tristate "LOG target support"
 	default m if NETFILTER_ADVANCED=n
@@ -170,23 +179,6 @@ config IP6_NF_MANGLE
 
 	  To compile it as a module, choose M here.  If unsure, say N.
 
-config IP6_NF_TARGET_HL
-	tristate  'HL (hoplimit) target support'
-	depends on IP6_NF_MANGLE
-	depends on NETFILTER_ADVANCED
-	help
-	  This option adds a `HL' target, which enables the user to decrement
-	  the hoplimit value of the IPv6 header or set it to a given (lower)
-	  value.
-
-	  While it is safe to decrement the hoplimit value, this option also
-	  enables functionality to increment and set the hoplimit value of the
-	  IPv6 header to arbitrary values.  This is EXTREMELY DANGEROUS since
-	  you can easily create immortal packets that loop forever on the
-	  network.
-
-	  To compile it as a module, choose M here.  If unsure, say N.
-
 config IP6_NF_RAW
 	tristate  'raw table support (required for TRACE)'
 	depends on NETFILTER_ADVANCED
diff --git a/net/ipv6/netfilter/Makefile b/net/ipv6/netfilter/Makefile
index 3f17c948eef..aafbba30c89 100644
--- a/net/ipv6/netfilter/Makefile
+++ b/net/ipv6/netfilter/Makefile
@@ -20,13 +20,11 @@ obj-$(CONFIG_NF_CONNTRACK_IPV6) += nf_conntrack_ipv6.o
 obj-$(CONFIG_IP6_NF_MATCH_AH) += ip6t_ah.o
 obj-$(CONFIG_IP6_NF_MATCH_EUI64) += ip6t_eui64.o
 obj-$(CONFIG_IP6_NF_MATCH_FRAG) += ip6t_frag.o
-obj-$(CONFIG_IP6_NF_MATCH_HL) += ip6t_hl.o
 obj-$(CONFIG_IP6_NF_MATCH_IPV6HEADER) += ip6t_ipv6header.o
 obj-$(CONFIG_IP6_NF_MATCH_MH) += ip6t_mh.o
 obj-$(CONFIG_IP6_NF_MATCH_OPTS) += ip6t_hbh.o
 obj-$(CONFIG_IP6_NF_MATCH_RT) += ip6t_rt.o
 
 # targets
-obj-$(CONFIG_IP6_NF_TARGET_HL) += ip6t_HL.o
 obj-$(CONFIG_IP6_NF_TARGET_LOG) += ip6t_LOG.o
 obj-$(CONFIG_IP6_NF_TARGET_REJECT) += ip6t_REJECT.o
diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c
index 5859c046cbc..b693f841aeb 100644
--- a/net/ipv6/netfilter/ip6_queue.c
+++ b/net/ipv6/netfilter/ip6_queue.c
@@ -643,6 +643,7 @@ static void __exit ip6_queue_fini(void)
 
 MODULE_DESCRIPTION("IPv6 packet queue handler");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS_NET_PF_PROTO(PF_NETLINK, NETLINK_IP6_FW);
 
 module_init(ip6_queue_init);
 module_exit(ip6_queue_fini);
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index a33485dc81c..e89cfa3a8f2 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -99,7 +99,6 @@ ip6_packet_match(const struct sk_buff *skb,
 		 unsigned int *protoff,
 		 int *fragoff, bool *hotdrop)
 {
-	size_t i;
 	unsigned long ret;
 	const struct ipv6hdr *ipv6 = ipv6_hdr(skb);
 
@@ -120,12 +119,7 @@ ip6_packet_match(const struct sk_buff *skb,
 		return false;
 	}
 
-	/* Look for ifname matches; this should unroll nicely. */
-	for (i = 0, ret = 0; i < IFNAMSIZ/sizeof(unsigned long); i++) {
-		ret |= (((const unsigned long *)indev)[i]
-			^ ((const unsigned long *)ip6info->iniface)[i])
-			& ((const unsigned long *)ip6info->iniface_mask)[i];
-	}
+	ret = ifname_compare_aligned(indev, ip6info->iniface, ip6info->iniface_mask);
 
 	if (FWINV(ret != 0, IP6T_INV_VIA_IN)) {
 		dprintf("VIA in mismatch (%s vs %s).%s\n",
@@ -134,11 +128,7 @@ ip6_packet_match(const struct sk_buff *skb,
 		return false;
 	}
 
-	for (i = 0, ret = 0; i < IFNAMSIZ/sizeof(unsigned long); i++) {
-		ret |= (((const unsigned long *)outdev)[i]
-			^ ((const unsigned long *)ip6info->outiface)[i])
-			& ((const unsigned long *)ip6info->outiface_mask)[i];
-	}
+	ret = ifname_compare_aligned(outdev, ip6info->outiface, ip6info->outiface_mask);
 
 	if (FWINV(ret != 0, IP6T_INV_VIA_OUT)) {
 		dprintf("VIA out mismatch (%s vs %s).%s\n",
@@ -373,10 +363,12 @@ ip6t_do_table(struct sk_buff *skb,
 	mtpar.family  = tgpar.family = NFPROTO_IPV6;
 	tgpar.hooknum = hook;
 
-	read_lock_bh(&table->lock);
 	IP_NF_ASSERT(table->valid_hooks & (1 << hook));
-	private = table->private;
-	table_base = (void *)private->entries[smp_processor_id()];
+
+	rcu_read_lock();
+	private = rcu_dereference(table->private);
+	table_base = rcu_dereference(private->entries[smp_processor_id()]);
+
 	e = get_entry(table_base, private->hook_entry[hook]);
 
 	/* For return from builtin chain */
@@ -474,7 +466,7 @@ ip6t_do_table(struct sk_buff *skb,
 #ifdef CONFIG_NETFILTER_DEBUG
 	((struct ip6t_entry *)table_base)->comefrom = NETFILTER_LINK_POISON;
 #endif
-	read_unlock_bh(&table->lock);
+	rcu_read_unlock();
 
 #ifdef DEBUG_ALLOW_ALL
 	return NF_ACCEPT;
@@ -525,7 +517,9 @@ mark_source_chains(struct xt_table_info *newinfo,
 			    && unconditional(&e->ipv6)) || visited) {
 				unsigned int oldpos, size;
 
-				if (t->verdict < -NF_MAX_VERDICT - 1) {
+				if ((strcmp(t->target.u.user.name,
+					    IP6T_STANDARD_TARGET) == 0) &&
+				    t->verdict < -NF_MAX_VERDICT - 1) {
 					duprintf("mark_source_chains: bad "
 						"negative verdict (%i)\n",
 								t->verdict);
@@ -955,11 +949,64 @@ get_counters(const struct xt_table_info *t,
 	}
 }
 
+/* We're lazy, and add to the first CPU; overflow works its fey magic
+ * and everything is OK. */
+static int
+add_counter_to_entry(struct ip6t_entry *e,
+		     const struct xt_counters addme[],
+		     unsigned int *i)
+{
+	ADD_COUNTER(e->counters, addme[*i].bcnt, addme[*i].pcnt);
+
+	(*i)++;
+	return 0;
+}
+
+/* Take values from counters and add them back onto the current cpu */
+static void put_counters(struct xt_table_info *t,
+			 const struct xt_counters counters[])
+{
+	unsigned int i, cpu;
+
+	local_bh_disable();
+	cpu = smp_processor_id();
+	i = 0;
+	IP6T_ENTRY_ITERATE(t->entries[cpu],
+			   t->size,
+			   add_counter_to_entry,
+			   counters,
+			   &i);
+	local_bh_enable();
+}
+
+static inline int
+zero_entry_counter(struct ip6t_entry *e, void *arg)
+{
+	e->counters.bcnt = 0;
+	e->counters.pcnt = 0;
+	return 0;
+}
+
+static void
+clone_counters(struct xt_table_info *newinfo, const struct xt_table_info *info)
+{
+	unsigned int cpu;
+	const void *loc_cpu_entry = info->entries[raw_smp_processor_id()];
+
+	memcpy(newinfo, info, offsetof(struct xt_table_info, entries));
+	for_each_possible_cpu(cpu) {
+		memcpy(newinfo->entries[cpu], loc_cpu_entry, info->size);
+		IP6T_ENTRY_ITERATE(newinfo->entries[cpu], newinfo->size,
+				   zero_entry_counter, NULL);
+	}
+}
+
 static struct xt_counters *alloc_counters(struct xt_table *table)
 {
 	unsigned int countersize;
 	struct xt_counters *counters;
-	const struct xt_table_info *private = table->private;
+	struct xt_table_info *private = table->private;
+	struct xt_table_info *info;
 
 	/* We need atomic snapshot of counters: rest doesn't change
 	   (other than comefrom, which userspace doesn't care
@@ -968,14 +1015,28 @@ static struct xt_counters *alloc_counters(struct xt_table *table)
 	counters = vmalloc_node(countersize, numa_node_id());
 
 	if (counters == NULL)
-		return ERR_PTR(-ENOMEM);
+		goto nomem;
 
-	/* First, sum counters... */
-	write_lock_bh(&table->lock);
-	get_counters(private, counters);
-	write_unlock_bh(&table->lock);
+	info = xt_alloc_table_info(private->size);
+	if (!info)
+		goto free_counters;
+
+	clone_counters(info, private);
+
+	mutex_lock(&table->lock);
+	xt_table_entry_swap_rcu(private, info);
+	synchronize_net();	/* Wait until smoke has cleared */
+
+	get_counters(info, counters);
+	put_counters(private, counters);
+	mutex_unlock(&table->lock);
 
-	return counters;
+	xt_free_table_info(info);
+
+ free_counters:
+	vfree(counters);
+ nomem:
+	return ERR_PTR(-ENOMEM);
 }
 
 static int
@@ -1342,28 +1403,6 @@ do_replace(struct net *net, void __user *user, unsigned int len)
 	return ret;
 }
 
-/* We're lazy, and add to the first CPU; overflow works its fey magic
- * and everything is OK. */
-static inline int
-add_counter_to_entry(struct ip6t_entry *e,
-		     const struct xt_counters addme[],
-		     unsigned int *i)
-{
-#if 0
-	duprintf("add_counter: Entry %u %lu/%lu + %lu/%lu\n",
-		 *i,
-		 (long unsigned int)e->counters.pcnt,
-		 (long unsigned int)e->counters.bcnt,
-		 (long unsigned int)addme[*i].pcnt,
-		 (long unsigned int)addme[*i].bcnt);
-#endif
-
-	ADD_COUNTER(e->counters, addme[*i].bcnt, addme[*i].pcnt);
-
-	(*i)++;
-	return 0;
-}
-
 static int
 do_add_counters(struct net *net, void __user *user, unsigned int len,
 		int compat)
@@ -1424,13 +1463,14 @@ do_add_counters(struct net *net, void __user *user, unsigned int len,
 		goto free;
 	}
 
-	write_lock_bh(&t->lock);
+	mutex_lock(&t->lock);
 	private = t->private;
 	if (private->number != num_counters) {
 		ret = -EINVAL;
 		goto unlock_up_free;
 	}
 
+	preempt_disable();
 	i = 0;
 	/* Choose the copy that is on our node */
 	loc_cpu_entry = private->entries[raw_smp_processor_id()];
@@ -1439,8 +1479,9 @@ do_add_counters(struct net *net, void __user *user, unsigned int len,
 			  add_counter_to_entry,
 			  paddc,
 			  &i);
+	preempt_enable();
  unlock_up_free:
-	write_unlock_bh(&t->lock);
+	mutex_unlock(&t->lock);
 	xt_table_unlock(t);
 	module_put(t->me);
  free:
diff --git a/net/ipv6/netfilter/ip6t_HL.c b/net/ipv6/netfilter/ip6t_HL.c
deleted file mode 100644
index 27b5adf670a..00000000000
--- a/net/ipv6/netfilter/ip6t_HL.c
+++ /dev/null
@@ -1,95 +0,0 @@
-/*
- * Hop Limit modification target for ip6tables
- * Maciej Soltysiak <solt@dns.toxicfilms.tv>
- * Based on HW's TTL module
- *
- * This software is distributed under the terms of GNU GPL
- */
-
-#include <linux/module.h>
-#include <linux/skbuff.h>
-#include <linux/ip.h>
-#include <linux/ipv6.h>
-
-#include <linux/netfilter/x_tables.h>
-#include <linux/netfilter_ipv6/ip6t_HL.h>
-
-MODULE_AUTHOR("Maciej Soltysiak <solt@dns.toxicfilms.tv>");
-MODULE_DESCRIPTION("Xtables: IPv6 Hop Limit field modification target");
-MODULE_LICENSE("GPL");
-
-static unsigned int
-hl_tg6(struct sk_buff *skb, const struct xt_target_param *par)
-{
-	struct ipv6hdr *ip6h;
-	const struct ip6t_HL_info *info = par->targinfo;
-	int new_hl;
-
-	if (!skb_make_writable(skb, skb->len))
-		return NF_DROP;
-
-	ip6h = ipv6_hdr(skb);
-
-	switch (info->mode) {
-		case IP6T_HL_SET:
-			new_hl = info->hop_limit;
-			break;
-		case IP6T_HL_INC:
-			new_hl = ip6h->hop_limit + info->hop_limit;
-			if (new_hl > 255)
-				new_hl = 255;
-			break;
-		case IP6T_HL_DEC:
-			new_hl = ip6h->hop_limit - info->hop_limit;
-			if (new_hl < 0)
-				new_hl = 0;
-			break;
-		default:
-			new_hl = ip6h->hop_limit;
-			break;
-	}
-
-	ip6h->hop_limit = new_hl;
-
-	return XT_CONTINUE;
-}
-
-static bool hl_tg6_check(const struct xt_tgchk_param *par)
-{
-	const struct ip6t_HL_info *info = par->targinfo;
-
-	if (info->mode > IP6T_HL_MAXMODE) {
-		printk(KERN_WARNING "ip6t_HL: invalid or unknown Mode %u\n",
-			info->mode);
-		return false;
-	}
-	if (info->mode != IP6T_HL_SET && info->hop_limit == 0) {
-		printk(KERN_WARNING "ip6t_HL: increment/decrement doesn't "
-			"make sense with value 0\n");
-		return false;
-	}
-	return true;
-}
-
-static struct xt_target hl_tg6_reg __read_mostly = {
-	.name 		= "HL",
-	.family		= NFPROTO_IPV6,
-	.target		= hl_tg6,
-	.targetsize	= sizeof(struct ip6t_HL_info),
-	.table		= "mangle",
-	.checkentry	= hl_tg6_check,
-	.me		= THIS_MODULE
-};
-
-static int __init hl_tg6_init(void)
-{
-	return xt_register_target(&hl_tg6_reg);
-}
-
-static void __exit hl_tg6_exit(void)
-{
-	xt_unregister_target(&hl_tg6_reg);
-}
-
-module_init(hl_tg6_init);
-module_exit(hl_tg6_exit);
diff --git a/net/ipv6/netfilter/ip6t_LOG.c b/net/ipv6/netfilter/ip6t_LOG.c
index 37adf5abc51..7018cac4fdd 100644
--- a/net/ipv6/netfilter/ip6t_LOG.c
+++ b/net/ipv6/netfilter/ip6t_LOG.c
@@ -477,7 +477,7 @@ static struct xt_target log_tg6_reg __read_mostly = {
 	.me 		= THIS_MODULE,
 };
 
-static const struct nf_logger ip6t_logger = {
+static struct nf_logger ip6t_logger __read_mostly = {
 	.name		= "ip6t_LOG",
 	.logfn		= &ip6t_log_packet,
 	.me		= THIS_MODULE,
diff --git a/net/ipv6/netfilter/ip6t_hl.c b/net/ipv6/netfilter/ip6t_hl.c
deleted file mode 100644
index c964dca1132..00000000000
--- a/net/ipv6/netfilter/ip6t_hl.c
+++ /dev/null
@@ -1,68 +0,0 @@
-/* Hop Limit matching module */
-
-/* (C) 2001-2002 Maciej Soltysiak <solt@dns.toxicfilms.tv>
- * Based on HW's ttl module
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/ipv6.h>
-#include <linux/module.h>
-#include <linux/skbuff.h>
-
-#include <linux/netfilter_ipv6/ip6t_hl.h>
-#include <linux/netfilter/x_tables.h>
-
-MODULE_AUTHOR("Maciej Soltysiak <solt@dns.toxicfilms.tv>");
-MODULE_DESCRIPTION("Xtables: IPv6 Hop Limit field match");
-MODULE_LICENSE("GPL");
-
-static bool hl_mt6(const struct sk_buff *skb, const struct xt_match_param *par)
-{
-	const struct ip6t_hl_info *info = par->matchinfo;
-	const struct ipv6hdr *ip6h = ipv6_hdr(skb);
-
-	switch (info->mode) {
-		case IP6T_HL_EQ:
-			return ip6h->hop_limit == info->hop_limit;
-			break;
-		case IP6T_HL_NE:
-			return ip6h->hop_limit != info->hop_limit;
-			break;
-		case IP6T_HL_LT:
-			return ip6h->hop_limit < info->hop_limit;
-			break;
-		case IP6T_HL_GT:
-			return ip6h->hop_limit > info->hop_limit;
-			break;
-		default:
-			printk(KERN_WARNING "ip6t_hl: unknown mode %d\n",
-				info->mode);
-			return false;
-	}
-
-	return false;
-}
-
-static struct xt_match hl_mt6_reg __read_mostly = {
-	.name		= "hl",
-	.family		= NFPROTO_IPV6,
-	.match		= hl_mt6,
-	.matchsize	= sizeof(struct ip6t_hl_info),
-	.me		= THIS_MODULE,
-};
-
-static int __init hl_mt6_init(void)
-{
-	return xt_register_match(&hl_mt6_reg);
-}
-
-static void __exit hl_mt6_exit(void)
-{
-	xt_unregister_match(&hl_mt6_reg);
-}
-
-module_init(hl_mt6_init);
-module_exit(hl_mt6_exit);
diff --git a/net/ipv6/netfilter/ip6table_filter.c b/net/ipv6/netfilter/ip6table_filter.c
index 40d2e36d8fa..ef5a0a32bf8 100644
--- a/net/ipv6/netfilter/ip6table_filter.c
+++ b/net/ipv6/netfilter/ip6table_filter.c
@@ -54,7 +54,6 @@ static struct
 static struct xt_table packet_filter = {
 	.name		= "filter",
 	.valid_hooks	= FILTER_VALID_HOOKS,
-	.lock		= __RW_LOCK_UNLOCKED(packet_filter.lock),
 	.me		= THIS_MODULE,
 	.af		= AF_INET6,
 };
diff --git a/net/ipv6/netfilter/ip6table_mangle.c b/net/ipv6/netfilter/ip6table_mangle.c
index d0b31b259d4..ab0d398a2ba 100644
--- a/net/ipv6/netfilter/ip6table_mangle.c
+++ b/net/ipv6/netfilter/ip6table_mangle.c
@@ -60,7 +60,6 @@ static struct
 static struct xt_table packet_mangler = {
 	.name		= "mangle",
 	.valid_hooks	= MANGLE_VALID_HOOKS,
-	.lock		= __RW_LOCK_UNLOCKED(packet_mangler.lock),
 	.me		= THIS_MODULE,
 	.af		= AF_INET6,
 };
diff --git a/net/ipv6/netfilter/ip6table_raw.c b/net/ipv6/netfilter/ip6table_raw.c
index 109fab6f831..4b792b6ca32 100644
--- a/net/ipv6/netfilter/ip6table_raw.c
+++ b/net/ipv6/netfilter/ip6table_raw.c
@@ -38,7 +38,6 @@ static struct
 static struct xt_table packet_raw = {
 	.name = "raw",
 	.valid_hooks = RAW_VALID_HOOKS,
-	.lock = __RW_LOCK_UNLOCKED(packet_raw.lock),
 	.me = THIS_MODULE,
 	.af = AF_INET6,
 };
diff --git a/net/ipv6/netfilter/ip6table_security.c b/net/ipv6/netfilter/ip6table_security.c
index 20bc52f13e4..0ea37ff15d5 100644
--- a/net/ipv6/netfilter/ip6table_security.c
+++ b/net/ipv6/netfilter/ip6table_security.c
@@ -59,7 +59,6 @@ static struct
 static struct xt_table security_table = {
 	.name		= "security",
 	.valid_hooks	= SECURITY_VALID_HOOKS,
-	.lock		= __RW_LOCK_UNLOCKED(security_table.lock),
 	.me		= THIS_MODULE,
 	.af		= AF_INET6,
 };
diff --git a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
index 727b9530448..2a15c2d66c6 100644
--- a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
@@ -26,6 +26,7 @@
 #include <net/netfilter/nf_conntrack_l4proto.h>
 #include <net/netfilter/nf_conntrack_l3proto.h>
 #include <net/netfilter/nf_conntrack_core.h>
+#include <net/netfilter/ipv6/nf_conntrack_ipv6.h>
 
 static bool ipv6_pkt_to_tuple(const struct sk_buff *skb, unsigned int nhoff,
 			      struct nf_conntrack_tuple *tuple)
@@ -341,6 +342,11 @@ static int ipv6_nlattr_to_tuple(struct nlattr *tb[],
 
 	return 0;
 }
+
+static int ipv6_nlattr_tuple_size(void)
+{
+	return nla_policy_len(ipv6_nla_policy, CTA_IP_MAX + 1);
+}
 #endif
 
 struct nf_conntrack_l3proto nf_conntrack_l3proto_ipv6 __read_mostly = {
@@ -352,6 +358,7 @@ struct nf_conntrack_l3proto nf_conntrack_l3proto_ipv6 __read_mostly = {
 	.get_l4proto		= ipv6_get_l4proto,
 #if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
 	.tuple_to_nlattr	= ipv6_tuple_to_nlattr,
+	.nlattr_tuple_size	= ipv6_nlattr_tuple_size,
 	.nlattr_to_tuple	= ipv6_nlattr_to_tuple,
 	.nla_policy		= ipv6_nla_policy,
 #endif
diff --git a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
index 72dbb6d1a6b..9903227bf37 100644
--- a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
@@ -126,6 +126,10 @@ static bool icmpv6_new(struct nf_conn *ct, const struct sk_buff *skb,
 		pr_debug("icmpv6: can't create new conn with type %u\n",
 			 type + 128);
 		nf_ct_dump_tuple_ipv6(&ct->tuplehash[0].tuple);
+		if (LOG_INVALID(nf_ct_net(ct), IPPROTO_ICMPV6))
+			nf_log_packet(PF_INET6, 0, skb, NULL, NULL, NULL,
+				      "nf_ct_icmpv6: invalid new with type %d ",
+				      type + 128);
 		return false;
 	}
 	atomic_set(&ct->proto.icmp.count, 0);
@@ -265,6 +269,11 @@ static int icmpv6_nlattr_to_tuple(struct nlattr *tb[],
 
 	return 0;
 }
+
+static int icmpv6_nlattr_tuple_size(void)
+{
+	return nla_policy_len(icmpv6_nla_policy, CTA_PROTO_MAX + 1);
+}
 #endif
 
 #ifdef CONFIG_SYSCTL
@@ -296,6 +305,7 @@ struct nf_conntrack_l4proto nf_conntrack_l4proto_icmpv6 __read_mostly =
 	.error			= icmpv6_error,
 #if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
 	.tuple_to_nlattr	= icmpv6_tuple_to_nlattr,
+	.nlattr_tuple_size	= icmpv6_nlattr_tuple_size,
 	.nlattr_to_tuple	= icmpv6_nlattr_to_tuple,
 	.nla_policy		= icmpv6_nla_policy,
 #endif
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
index ed4d79a9e4a..058a5e4a60c 100644
--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
@@ -528,14 +528,14 @@ find_prev_fhdr(struct sk_buff *skb, u8 *prevhdrp, int *prevhoff, int *fhoff)
 		if (!ipv6_ext_hdr(nexthdr)) {
 			return -1;
 		}
-		if (len < (int)sizeof(struct ipv6_opt_hdr)) {
-			pr_debug("too short\n");
-			return -1;
-		}
 		if (nexthdr == NEXTHDR_NONE) {
 			pr_debug("next header is none\n");
 			return -1;
 		}
+		if (len < (int)sizeof(struct ipv6_opt_hdr)) {
+			pr_debug("too short\n");
+			return -1;
+		}
 		if (skb_copy_bits(skb, start, &hdr, sizeof(hdr)))
 			BUG();
 		if (nexthdr == NEXTHDR_AUTH)