Backmerge tag 'v4.12-rc3' into drm-next

Linux 4.12-rc3

Daniel has requested this for some drm-intel-next work.

82 files changed, 746 insertions, 456 deletions

diff --git a/net/9p/trans_xen.c b/net/9p/trans_xen.c
index 71e85643b3f9..6ad3e043c617 100644
--- a/net/9p/trans_xen.c
+++ b/net/9p/trans_xen.c
@@ -454,8 +454,8 @@ static int xen_9pfs_front_probe(struct xenbus_device *dev,
 			goto error_xenbus;
 	}
 	priv->tag = xenbus_read(xbt, dev->nodename, "tag", NULL);
-	if (!priv->tag) {
-		ret = -EINVAL;
+	if (IS_ERR(priv->tag)) {
+		ret = PTR_ERR(priv->tag);
 		goto error_xenbus;
 	}
 	ret = xenbus_transaction_end(xbt, 0);
@@ -525,7 +525,7 @@ static struct xenbus_driver xen_9pfs_front_driver = {
 	.otherend_changed = xen_9pfs_front_changed,
 };
 
-int p9_trans_xen_init(void)
+static int p9_trans_xen_init(void)
 {
 	if (!xen_domain())
 		return -ENODEV;
@@ -537,7 +537,7 @@ int p9_trans_xen_init(void)
 }
 module_init(p9_trans_xen_init);
 
-void p9_trans_xen_exit(void)
+static void p9_trans_xen_exit(void)
 {
 	v9fs_unregister_trans(&p9_xen_trans);
 	return xenbus_unregister_driver(&xen_9pfs_front_driver);
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index c5ce7745b230..574f78824d8a 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -835,6 +835,13 @@ static int br_validate(struct nlattr *tb[], struct nlattr *data[])
 			return -EPROTONOSUPPORT;
 		}
 	}
+
+	if (data[IFLA_BR_VLAN_DEFAULT_PVID]) {
+		__u16 defpvid = nla_get_u16(data[IFLA_BR_VLAN_DEFAULT_PVID]);
+
+		if (defpvid >= VLAN_VID_MASK)
+			return -EINVAL;
+	}
 #endif
 
 	return 0;
diff --git a/net/bridge/br_stp_if.c b/net/bridge/br_stp_if.c
index 08341d2aa9c9..0db8102995a5 100644
--- a/net/bridge/br_stp_if.c
+++ b/net/bridge/br_stp_if.c
@@ -179,6 +179,7 @@ static void br_stp_start(struct net_bridge *br)
 		br_debug(br, "using kernel STP\n");
 
 		/* To start timers on any ports left in blocking */
+		mod_timer(&br->hello_timer, jiffies + br->hello_time);
 		br_port_state_selection(br);
 	}
 
diff --git a/net/bridge/br_stp_timer.c b/net/bridge/br_stp_timer.c
index c98b3e5c140a..60b6fe277a8b 100644
--- a/net/bridge/br_stp_timer.c
+++ b/net/bridge/br_stp_timer.c
@@ -40,7 +40,7 @@ static void br_hello_timer_expired(unsigned long arg)
 	if (br->dev->flags & IFF_UP) {
 		br_config_bpdu_generation(br);
 
-		if (br->stp_enabled != BR_USER_STP)
+		if (br->stp_enabled == BR_KERNEL_STP)
 			mod_timer(&br->hello_timer,
 				  round_jiffies(jiffies + br->hello_time));
 	}
diff --git a/net/bridge/netfilter/ebt_arpreply.c b/net/bridge/netfilter/ebt_arpreply.c
index 5929309beaa1..db85230e49c3 100644
--- a/net/bridge/netfilter/ebt_arpreply.c
+++ b/net/bridge/netfilter/ebt_arpreply.c
@@ -68,6 +68,9 @@ static int ebt_arpreply_tg_check(const struct xt_tgchk_param *par)
 	if (e->ethproto != htons(ETH_P_ARP) ||
 	    e->invflags & EBT_IPROTO)
 		return -EINVAL;
+	if (ebt_invalid_target(info->target))
+		return -EINVAL;
+
 	return 0;
 }
 
diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
index 9ec0c9f908fa..9c6e619f452b 100644
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -1373,7 +1373,8 @@ static inline int ebt_obj_to_user(char __user *um, const char *_name,
 	strlcpy(name, _name, sizeof(name));
 	if (copy_to_user(um, name, EBT_FUNCTION_MAXNAMELEN) ||
 	    put_user(datasize, (int __user *)(um + EBT_FUNCTION_MAXNAMELEN)) ||
-	    xt_data_to_user(um + entrysize, data, usersize, datasize))
+	    xt_data_to_user(um + entrysize, data, usersize, datasize,
+			    XT_ALIGN(datasize)))
 		return -EFAULT;
 
 	return 0;
@@ -1658,7 +1659,8 @@ static int compat_match_to_user(struct ebt_entry_match *m, void __user **dstptr,
 		if (match->compat_to_user(cm->data, m->data))
 			return -EFAULT;
 	} else {
-		if (xt_data_to_user(cm->data, m->data, match->usersize, msize))
+		if (xt_data_to_user(cm->data, m->data, match->usersize, msize,
+				    COMPAT_XT_ALIGN(msize)))
 			return -EFAULT;
 	}
 
@@ -1687,7 +1689,8 @@ static int compat_target_to_user(struct ebt_entry_target *t,
 		if (target->compat_to_user(cm->data, t->data))
 			return -EFAULT;
 	} else {
-		if (xt_data_to_user(cm->data, t->data, target->usersize, tsize))
+		if (xt_data_to_user(cm->data, t->data, target->usersize, tsize,
+				    COMPAT_XT_ALIGN(tsize)))
 			return -EFAULT;
 	}
 
diff --git a/net/ceph/auth_x.c b/net/ceph/auth_x.c
index 2034fb926670..8757fb87dab8 100644
--- a/net/ceph/auth_x.c
+++ b/net/ceph/auth_x.c
@@ -151,7 +151,7 @@ static int process_one_ticket(struct ceph_auth_client *ac,
 	struct timespec validity;
 	void *tp, *tpend;
 	void **ptp;
-	struct ceph_crypto_key new_session_key;
+	struct ceph_crypto_key new_session_key = { 0 };
 	struct ceph_buffer *new_ticket_blob;
 	unsigned long new_expires, new_renew_after;
 	u64 new_secret_id;
@@ -215,6 +215,9 @@ static int process_one_ticket(struct ceph_auth_client *ac,
 	dout(" ticket blob is %d bytes\n", dlen);
 	ceph_decode_need(ptp, tpend, 1 + sizeof(u64), bad);
 	blob_struct_v = ceph_decode_8(ptp);
+	if (blob_struct_v != 1)
+		goto bad;
+
 	new_secret_id = ceph_decode_64(ptp);
 	ret = ceph_decode_buffer(&new_ticket_blob, ptp, tpend);
 	if (ret)
@@ -234,13 +237,13 @@ static int process_one_ticket(struct ceph_auth_client *ac,
 	     type, ceph_entity_type_name(type), th->secret_id,
 	     (int)th->ticket_blob->vec.iov_len);
 	xi->have_keys |= th->service;
-
-out:
-	return ret;
+	return 0;
 
 bad:
 	ret = -EINVAL;
-	goto out;
+out:
+	ceph_crypto_key_destroy(&new_session_key);
+	return ret;
 }
 
 static int ceph_x_proc_ticket_reply(struct ceph_auth_client *ac,
diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c
index 4fd02831beed..47e94b560ba0 100644
--- a/net/ceph/ceph_common.c
+++ b/net/ceph/ceph_common.c
@@ -56,19 +56,6 @@ static const struct kernel_param_ops param_ops_supported_features = {
 module_param_cb(supported_features, &param_ops_supported_features, NULL,
 		S_IRUGO);
 
-/*
- * find filename portion of a path (/foo/bar/baz -> baz)
- */
-const char *ceph_file_part(const char *s, int len)
-{
-	const char *e = s + len;
-
-	while (e != s && *(e-1) != '/')
-		e--;
-	return e;
-}
-EXPORT_SYMBOL(ceph_file_part);
-
 const char *ceph_msg_type_name(int type)
 {
 	switch (type) {
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index 5766a6c896c4..588a91930051 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -1174,8 +1174,8 @@ static struct page *ceph_msg_data_next(struct ceph_msg_data_cursor *cursor,
  * Returns true if the result moves the cursor on to the next piece
  * of the data item.
  */
-static bool ceph_msg_data_advance(struct ceph_msg_data_cursor *cursor,
-				size_t bytes)
+static void ceph_msg_data_advance(struct ceph_msg_data_cursor *cursor,
+				  size_t bytes)
 {
 	bool new_piece;
 
@@ -1207,8 +1207,6 @@ static bool ceph_msg_data_advance(struct ceph_msg_data_cursor *cursor,
 		new_piece = true;
 	}
 	cursor->need_crc = new_piece;
-
-	return new_piece;
 }
 
 static size_t sizeof_footer(struct ceph_connection *con)
@@ -1577,7 +1575,6 @@ static int write_partial_message_data(struct ceph_connection *con)
 		size_t page_offset;
 		size_t length;
 		bool last_piece;
-		bool need_crc;
 		int ret;
 
 		page = ceph_msg_data_next(cursor, &page_offset, &length,
@@ -1592,7 +1589,7 @@ static int write_partial_message_data(struct ceph_connection *con)
 		}
 		if (do_datacrc && cursor->need_crc)
 			crc = ceph_crc32c_page(crc, page, page_offset, length);
-		need_crc = ceph_msg_data_advance(cursor, (size_t)ret);
+		ceph_msg_data_advance(cursor, (size_t)ret);
 	}
 
 	dout("%s %p msg %p done\n", __func__, con, msg);
@@ -2231,10 +2228,18 @@ static void process_ack(struct ceph_connection *con)
 	struct ceph_msg *m;
 	u64 ack = le64_to_cpu(con->in_temp_ack);
 	u64 seq;
+	bool reconnect = (con->in_tag == CEPH_MSGR_TAG_SEQ);
+	struct list_head *list = reconnect ? &con->out_queue : &con->out_sent;
 
-	while (!list_empty(&con->out_sent)) {
-		m = list_first_entry(&con->out_sent, struct ceph_msg,
-				     list_head);
+	/*
+	 * In the reconnect case, con_fault() has requeued messages
+	 * in out_sent. We should cleanup old messages according to
+	 * the reconnect seq.
+	 */
+	while (!list_empty(list)) {
+		m = list_first_entry(list, struct ceph_msg, list_head);
+		if (reconnect && m->needs_out_seq)
+			break;
 		seq = le64_to_cpu(m->hdr.seq);
 		if (seq > ack)
 			break;
@@ -2243,6 +2248,7 @@ static void process_ack(struct ceph_connection *con)
 		m->ack_stamp = jiffies;
 		ceph_msg_remove(m);
 	}
+
 	prepare_read_tag(con);
 }
 
@@ -2299,7 +2305,7 @@ static int read_partial_msg_data(struct ceph_connection *con)
 
 		if (do_datacrc)
 			crc = ceph_crc32c_page(crc, page, page_offset, ret);
-		(void) ceph_msg_data_advance(cursor, (size_t)ret);
+		ceph_msg_data_advance(cursor, (size_t)ret);
 	}
 	if (do_datacrc)
 		con->in_data_crc = crc;
diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c
index 29a0ef351c5e..250f11f78609 100644
--- a/net/ceph/mon_client.c
+++ b/net/ceph/mon_client.c
@@ -43,15 +43,13 @@ struct ceph_monmap *ceph_monmap_decode(void *p, void *end)
 	int i, err = -EINVAL;
 	struct ceph_fsid fsid;
 	u32 epoch, num_mon;
-	u16 version;
 	u32 len;
 
 	ceph_decode_32_safe(&p, end, len, bad);
 	ceph_decode_need(&p, end, len, bad);
 
 	dout("monmap_decode %p %p len %d\n", p, end, (int)(end-p));
-
-	ceph_decode_16_safe(&p, end, version, bad);
+	p += sizeof(u16);  /* skip version */
 
 	ceph_decode_need(&p, end, sizeof(fsid) + 2*sizeof(u32), bad);
 	ceph_decode_copy(&p, &fsid, sizeof(fsid));
diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c
index ffe9e904d4d1..55e3a477f92d 100644
--- a/net/ceph/osdmap.c
+++ b/net/ceph/osdmap.c
@@ -317,6 +317,7 @@ static struct crush_map *crush_decode(void *pbyval, void *end)
 		u32 yes;
 		struct crush_rule *r;
 
+		err = -EINVAL;
 		ceph_decode_32_safe(p, end, yes, bad);
 		if (!yes) {
 			dout("crush_decode NO rule %d off %x %p to %p\n",
diff --git a/net/core/dev.c b/net/core/dev.c
index 96cf83da0d66..fca407b4a6ea 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -6852,6 +6852,32 @@ int dev_change_proto_down(struct net_device *dev, bool proto_down)
 }
 EXPORT_SYMBOL(dev_change_proto_down);
 
+bool __dev_xdp_attached(struct net_device *dev, xdp_op_t xdp_op)
+{
+	struct netdev_xdp xdp;
+
+	memset(&xdp, 0, sizeof(xdp));
+	xdp.command = XDP_QUERY_PROG;
+
+	/* Query must always succeed. */
+	WARN_ON(xdp_op(dev, &xdp) < 0);
+	return xdp.prog_attached;
+}
+
+static int dev_xdp_install(struct net_device *dev, xdp_op_t xdp_op,
+			   struct netlink_ext_ack *extack,
+			   struct bpf_prog *prog)
+{
+	struct netdev_xdp xdp;
+
+	memset(&xdp, 0, sizeof(xdp));
+	xdp.command = XDP_SETUP_PROG;
+	xdp.extack = extack;
+	xdp.prog = prog;
+
+	return xdp_op(dev, &xdp);
+}
+
 /**
  *	dev_change_xdp_fd - set or clear a bpf program for a device rx path
  *	@dev: device
@@ -6864,41 +6890,34 @@ EXPORT_SYMBOL(dev_change_proto_down);
 int dev_change_xdp_fd(struct net_device *dev, struct netlink_ext_ack *extack,
 		      int fd, u32 flags)
 {
-	int (*xdp_op)(struct net_device *dev, struct netdev_xdp *xdp);
 	const struct net_device_ops *ops = dev->netdev_ops;
 	struct bpf_prog *prog = NULL;
-	struct netdev_xdp xdp;
+	xdp_op_t xdp_op, xdp_chk;
 	int err;
 
 	ASSERT_RTNL();
 
-	xdp_op = ops->ndo_xdp;
+	xdp_op = xdp_chk = ops->ndo_xdp;
+	if (!xdp_op && (flags & XDP_FLAGS_DRV_MODE))
+		return -EOPNOTSUPP;
 	if (!xdp_op || (flags & XDP_FLAGS_SKB_MODE))
 		xdp_op = generic_xdp_install;
+	if (xdp_op == xdp_chk)
+		xdp_chk = generic_xdp_install;
 
 	if (fd >= 0) {
-		if (flags & XDP_FLAGS_UPDATE_IF_NOEXIST) {
-			memset(&xdp, 0, sizeof(xdp));
-			xdp.command = XDP_QUERY_PROG;
-
-			err = xdp_op(dev, &xdp);
-			if (err < 0)
-				return err;
-			if (xdp.prog_attached)
-				return -EBUSY;
-		}
+		if (xdp_chk && __dev_xdp_attached(dev, xdp_chk))
+			return -EEXIST;
+		if ((flags & XDP_FLAGS_UPDATE_IF_NOEXIST) &&
+		    __dev_xdp_attached(dev, xdp_op))
+			return -EBUSY;
 
 		prog = bpf_prog_get_type(fd, BPF_PROG_TYPE_XDP);
 		if (IS_ERR(prog))
 			return PTR_ERR(prog);
 	}
 
-	memset(&xdp, 0, sizeof(xdp));
-	xdp.command = XDP_SETUP_PROG;
-	xdp.extack = extack;
-	xdp.prog = prog;
-
-	err = xdp_op(dev, &xdp);
+	err = dev_xdp_install(dev, xdp_op, extack, prog);
 	if (err < 0 && prog)
 		bpf_prog_put(prog);
 
diff --git a/net/core/dst.c b/net/core/dst.c
index 960e503b5a52..6192f11beec9 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -151,13 +151,13 @@ int dst_discard_out(struct net *net, struct sock *sk, struct sk_buff *skb)
 }
 EXPORT_SYMBOL(dst_discard_out);
 
-const u32 dst_default_metrics[RTAX_MAX + 1] = {
+const struct dst_metrics dst_default_metrics = {
 	/* This initializer is needed to force linker to place this variable
 	 * into const section. Otherwise it might end into bss section.
 	 * We really want to avoid false sharing on this variable, and catch
 	 * any writes on it.
 	 */
-	[RTAX_MAX] = 0xdeadbeef,
+	.refcnt = ATOMIC_INIT(1),
 };
 
 void dst_init(struct dst_entry *dst, struct dst_ops *ops,
@@ -169,7 +169,7 @@ void dst_init(struct dst_entry *dst, struct dst_ops *ops,
 	if (dev)
 		dev_hold(dev);
 	dst->ops = ops;
-	dst_init_metrics(dst, dst_default_metrics, true);
+	dst_init_metrics(dst, dst_default_metrics.metrics, true);
 	dst->expires = 0UL;
 	dst->path = dst;
 	dst->from = NULL;
@@ -314,25 +314,30 @@ EXPORT_SYMBOL(dst_release);
 
 u32 *dst_cow_metrics_generic(struct dst_entry *dst, unsigned long old)
 {
-	u32 *p = kmalloc(sizeof(u32) * RTAX_MAX, GFP_ATOMIC);
+	struct dst_metrics *p = kmalloc(sizeof(*p), GFP_ATOMIC);
 
 	if (p) {
-		u32 *old_p = __DST_METRICS_PTR(old);
+		struct dst_metrics *old_p = (struct dst_metrics *)__DST_METRICS_PTR(old);
 		unsigned long prev, new;
 
-		memcpy(p, old_p, sizeof(u32) * RTAX_MAX);
+		atomic_set(&p->refcnt, 1);
+		memcpy(p->metrics, old_p->metrics, sizeof(p->metrics));
 
 		new = (unsigned long) p;
 		prev = cmpxchg(&dst->_metrics, old, new);
 
 		if (prev != old) {
 			kfree(p);
-			p = __DST_METRICS_PTR(prev);
+			p = (struct dst_metrics *)__DST_METRICS_PTR(prev);
 			if (prev & DST_METRICS_READ_ONLY)
 				p = NULL;
+		} else if (prev & DST_METRICS_REFCOUNTED) {
+			if (atomic_dec_and_test(&old_p->refcnt))
+				kfree(old_p);
 		}
 	}
-	return p;
+	BUILD_BUG_ON(offsetof(struct dst_metrics, metrics) != 0);
+	return (u32 *)p;
 }
 EXPORT_SYMBOL(dst_cow_metrics_generic);
 
@@ -341,7 +346,7 @@ void __dst_destroy_metrics_generic(struct dst_entry *dst, unsigned long old)
 {
 	unsigned long prev, new;
 
-	new = ((unsigned long) dst_default_metrics) | DST_METRICS_READ_ONLY;
+	new = ((unsigned long) &dst_default_metrics) | DST_METRICS_READ_ONLY;
 	prev = cmpxchg(&dst->_metrics, old, new);
 	if (prev == old)
 		kfree(__DST_METRICS_PTR(old));
diff --git a/net/core/filter.c b/net/core/filter.c
index a253a6197e6b..a6bb95fa87b2 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -2281,6 +2281,7 @@ bool bpf_helper_changes_pkt_data(void *func)
 	    func == bpf_skb_change_head ||
 	    func == bpf_skb_change_tail ||
 	    func == bpf_skb_pull_data ||
+	    func == bpf_clone_redirect ||
 	    func == bpf_l3_csum_replace ||
 	    func == bpf_l4_csum_replace ||
 	    func == bpf_xdp_adjust_head)
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 58b0bcc125b5..d274f81fcc2c 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -1132,10 +1132,6 @@ int neigh_update(struct neighbour *neigh, const u8 *lladdr, u8 new,
 		lladdr = neigh->ha;
 	}
 
-	if (new & NUD_CONNECTED)
-		neigh->confirmed = jiffies;
-	neigh->updated = jiffies;
-
 	/* If entry was valid and address is not changed,
 	   do not change entry state, if new one is STALE.
 	 */
@@ -1157,6 +1153,16 @@ int neigh_update(struct neighbour *neigh, const u8 *lladdr, u8 new,
 		}
 	}
 
+	/* Update timestamps only once we know we will make a change to the
+	 * neighbour entry. Otherwise we risk to move the locktime window with
+	 * noop updates and ignore relevant ARP updates.
+	 */
+	if (new != old || lladdr != neigh->ha) {
+		if (new & NUD_CONNECTED)
+			neigh->confirmed = jiffies;
+		neigh->updated = jiffies;
+	}
+
 	if (new != old) {
 		neigh_del_timer(neigh);
 		if (new & NUD_PROBE)
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 1934efd4a9d4..26bbfababff2 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -315,6 +315,25 @@ out_undo:
 	goto out;
 }
 
+static int __net_init net_defaults_init_net(struct net *net)
+{
+	net->core.sysctl_somaxconn = SOMAXCONN;
+	return 0;
+}
+
+static struct pernet_operations net_defaults_ops = {
+	.init = net_defaults_init_net,
+};
+
+static __init int net_defaults_init(void)
+{
+	if (register_pernet_subsys(&net_defaults_ops))
+		panic("Cannot initialize net default settings");
+
+	return 0;
+}
+
+core_initcall(net_defaults_init);
 
 #ifdef CONFIG_NET_NS
 static struct ucounts *inc_net_namespaces(struct user_namespace *ns)
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index bcb0f610ee42..9e2c0a7cb325 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -899,8 +899,7 @@ static size_t rtnl_port_size(const struct net_device *dev,
 static size_t rtnl_xdp_size(void)
 {
 	size_t xdp_size = nla_total_size(0) +	/* nest IFLA_XDP */
-			  nla_total_size(1) +	/* XDP_ATTACHED */
-			  nla_total_size(4);	/* XDP_FLAGS */
+			  nla_total_size(1);	/* XDP_ATTACHED */
 
 	return xdp_size;
 }
@@ -1247,37 +1246,34 @@ static int rtnl_fill_link_ifmap(struct sk_buff *skb, struct net_device *dev)
 	return 0;
 }
 
+static u8 rtnl_xdp_attached_mode(struct net_device *dev)
+{
+	const struct net_device_ops *ops = dev->netdev_ops;
+
+	ASSERT_RTNL();
+
+	if (rcu_access_pointer(dev->xdp_prog))
+		return XDP_ATTACHED_SKB;
+	if (ops->ndo_xdp && __dev_xdp_attached(dev, ops->ndo_xdp))
+		return XDP_ATTACHED_DRV;
+
+	return XDP_ATTACHED_NONE;
+}
+
 static int rtnl_xdp_fill(struct sk_buff *skb, struct net_device *dev)
 {
 	struct nlattr *xdp;
-	u32 xdp_flags = 0;
-	u8 val = 0;
 	int err;
 
 	xdp = nla_nest_start(skb, IFLA_XDP);
 	if (!xdp)
 		return -EMSGSIZE;
-	if (rcu_access_pointer(dev->xdp_prog)) {
-		xdp_flags = XDP_FLAGS_SKB_MODE;
-		val = 1;
-	} else if (dev->netdev_ops->ndo_xdp) {
-		struct netdev_xdp xdp_op = {};
-
-		xdp_op.command = XDP_QUERY_PROG;
-		err = dev->netdev_ops->ndo_xdp(dev, &xdp_op);
-		if (err)
-			goto err_cancel;
-		val = xdp_op.prog_attached;
-	}
-	err = nla_put_u8(skb, IFLA_XDP_ATTACHED, val);
+
+	err = nla_put_u8(skb, IFLA_XDP_ATTACHED,
+			 rtnl_xdp_attached_mode(dev));
 	if (err)
 		goto err_cancel;
 
-	if (xdp_flags) {
-		err = nla_put_u32(skb, IFLA_XDP_FLAGS, xdp_flags);
-		if (err)
-			goto err_cancel;
-	}
 	nla_nest_end(skb, xdp);
 	return 0;
 
@@ -1631,13 +1627,13 @@ static int rtnl_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
 					       cb->nlh->nlmsg_seq, 0,
 					       flags,
 					       ext_filter_mask);
-			/* If we ran out of room on the first message,
-			 * we're in trouble
-			 */
-			WARN_ON((err == -EMSGSIZE) && (skb->len == 0));
 
-			if (err < 0)
-				goto out;
+			if (err < 0) {
+				if (likely(skb->len))
+					goto out;
+
+				goto out_err;
+			}
 
 			nl_dump_check_consistent(cb, nlmsg_hdr(skb));
 cont:
@@ -1645,10 +1641,12 @@ cont:
 		}
 	}
 out:
+	err = skb->len;
+out_err:
 	cb->args[1] = idx;
 	cb->args[0] = h;
 
-	return skb->len;
+	return err;
 }
 
 int rtnl_nla_parse_ifla(struct nlattr **tb, const struct nlattr *head, int len,
@@ -2199,6 +2197,11 @@ static int do_setlink(const struct sk_buff *skb,
 				err = -EINVAL;
 				goto errout;
 			}
+			if ((xdp_flags & XDP_FLAGS_SKB_MODE) &&
+			    (xdp_flags & XDP_FLAGS_DRV_MODE)) {
+				err = -EINVAL;
+				goto errout;
+			}
 		}
 
 		if (xdp[IFLA_XDP_FD]) {
@@ -3228,8 +3231,11 @@ static int rtnl_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb)
 	int err = 0;
 	int fidx = 0;
 
-	if (nlmsg_parse(cb->nlh, sizeof(struct ifinfomsg), tb,
-			IFLA_MAX, ifla_policy, NULL) == 0) {
+	err = nlmsg_parse(cb->nlh, sizeof(struct ifinfomsg), tb,
+			  IFLA_MAX, ifla_policy, NULL);
+	if (err < 0) {
+		return -EINVAL;
+	} else if (err == 0) {
 		if (tb[IFLA_MASTER])
 			br_idx = nla_get_u32(tb[IFLA_MASTER]);
 	}
@@ -3452,8 +3458,12 @@ static int rtnl_bridge_getlink(struct sk_buff *skb, struct netlink_callback *cb)
 				err = br_dev->netdev_ops->ndo_bridge_getlink(
 						skb, portid, seq, dev,
 						filter_mask, NLM_F_MULTI);
-				if (err < 0 && err != -EOPNOTSUPP)
-					break;
+				if (err < 0 && err != -EOPNOTSUPP) {
+					if (likely(skb->len))
+						break;
+
+					goto out_err;
+				}
 			}
 			idx++;
 		}
@@ -3464,16 +3474,22 @@ static int rtnl_bridge_getlink(struct sk_buff *skb, struct netlink_callback *cb)
 							      seq, dev,
 							      filter_mask,
 							      NLM_F_MULTI);
-				if (err < 0 && err != -EOPNOTSUPP)
-					break;
+				if (err < 0 && err != -EOPNOTSUPP) {
+					if (likely(skb->len))
+						break;
+
+					goto out_err;
+				}
 			}
 			idx++;
 		}
 	}
+	err = skb->len;
+out_err:
 	rcu_read_unlock();
 	cb->args[0] = idx;
 
-	return skb->len;
+	return err;
 }
 
 static inline size_t bridge_nlmsg_size(void)
diff --git a/net/core/sock.c b/net/core/sock.c
index 79c6aee6af9b..727f924b7f91 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -139,10 +139,7 @@
 
 #include <trace/events/sock.h>
 
-#ifdef CONFIG_INET
 #include <net/tcp.h>
-#endif
-
 #include <net/busy_poll.h>
 
 static DEFINE_MUTEX(proto_list_mutex);
@@ -1803,28 +1800,24 @@ EXPORT_SYMBOL(skb_set_owner_w);
  * delay queue. We want to allow the owner socket to send more
  * packets, as if they were already TX completed by a typical driver.
  * But we also want to keep skb->sk set because some packet schedulers
- * rely on it (sch_fq for example). So we set skb->truesize to a small
- * amount (1) and decrease sk_wmem_alloc accordingly.
+ * rely on it (sch_fq for example).
  */
 void skb_orphan_partial(struct sk_buff *skb)
 {
-	/* If this skb is a TCP pure ACK or already went here,
-	 * we have nothing to do. 2 is already a very small truesize.
-	 */
-	if (skb->truesize <= 2)
+	if (skb_is_tcp_pure_ack(skb))
 		return;
 
-	/* TCP stack sets skb->ooo_okay based on sk_wmem_alloc,
-	 * so we do not completely orphan skb, but transfert all
-	 * accounted bytes but one, to avoid unexpected reorders.
-	 */
 	if (skb->destructor == sock_wfree
 #ifdef CONFIG_INET
 	    || skb->destructor == tcp_wfree
 #endif
 		) {
-		atomic_sub(skb->truesize - 1, &skb->sk->sk_wmem_alloc);
-		skb->truesize = 1;
+		struct sock *sk = skb->sk;
+
+		if (atomic_inc_not_zero(&sk->sk_refcnt)) {
+			atomic_sub(skb->truesize, &sk->sk_wmem_alloc);
+			skb->destructor = sock_efree;
+		}
 	} else {
 		skb_orphan(skb);
 	}
diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
index ea23254b2457..b7cd9aafe99e 100644
--- a/net/core/sysctl_net_core.c
+++ b/net/core/sysctl_net_core.c
@@ -479,8 +479,6 @@ static __net_init int sysctl_core_net_init(struct net *net)
 {
 	struct ctl_table *tbl;
 
-	net->core.sysctl_somaxconn = SOMAXCONN;
-
 	tbl = netns_core_table;
 	if (!net_eq(net, &init_net)) {
 		tbl = kmemdup(tbl, sizeof(netns_core_table), GFP_KERNEL);
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 840f14aaa016..992621172220 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -426,6 +426,9 @@ static struct sock *dccp_v6_request_recv_sock(const struct sock *sk,
 		newsk->sk_backlog_rcv = dccp_v4_do_rcv;
 		newnp->pktoptions  = NULL;
 		newnp->opt	   = NULL;
+		newnp->ipv6_mc_list = NULL;
+		newnp->ipv6_ac_list = NULL;
+		newnp->ipv6_fl_list = NULL;
 		newnp->mcast_oif   = inet6_iif(skb);
 		newnp->mcast_hops  = ipv6_hdr(skb)->hop_limit;
 
@@ -490,6 +493,9 @@ static struct sock *dccp_v6_request_recv_sock(const struct sock *sk,
 	/* Clone RX bits */
 	newnp->rxopt.all = np->rxopt.all;
 
+	newnp->ipv6_mc_list = NULL;
+	newnp->ipv6_ac_list = NULL;
+	newnp->ipv6_fl_list = NULL;
 	newnp->pktoptions = NULL;
 	newnp->opt	  = NULL;
 	newnp->mcast_oif  = inet6_iif(skb);
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 0937b34c27ca..e9f3386a528b 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -641,6 +641,32 @@ void arp_xmit(struct sk_buff *skb)
 }
 EXPORT_SYMBOL(arp_xmit);
 
+static bool arp_is_garp(struct net *net, struct net_device *dev,
+			int *addr_type, __be16 ar_op,
+			__be32 sip, __be32 tip,
+			unsigned char *sha, unsigned char *tha)
+{
+	bool is_garp = tip == sip;
+
+	/* Gratuitous ARP _replies_ also require target hwaddr to be
+	 * the same as source.
+	 */
+	if (is_garp && ar_op == htons(ARPOP_REPLY))
+		is_garp =
+			/* IPv4 over IEEE 1394 doesn't provide target
+			 * hardware address field in its ARP payload.
+			 */
+			tha &&
+			!memcmp(tha, sha, dev->addr_len);
+
+	if (is_garp) {
+		*addr_type = inet_addr_type_dev_table(net, dev, sip);
+		if (*addr_type != RTN_UNICAST)
+			is_garp = false;
+	}
+	return is_garp;
+}
+
 /*
  *	Process an arp request.
  */
@@ -653,6 +679,7 @@ static int arp_process(struct net *net, struct sock *sk, struct sk_buff *skb)
 	unsigned char *arp_ptr;
 	struct rtable *rt;
 	unsigned char *sha;
+	unsigned char *tha = NULL;
 	__be32 sip, tip;
 	u16 dev_type = dev->type;
 	int addr_type;
@@ -724,6 +751,7 @@ static int arp_process(struct net *net, struct sock *sk, struct sk_buff *skb)
 		break;
 #endif
 	default:
+		tha = arp_ptr;
 		arp_ptr += dev->addr_len;
 	}
 	memcpy(&tip, arp_ptr, 4);
@@ -835,19 +863,25 @@ static int arp_process(struct net *net, struct sock *sk, struct sk_buff *skb)
 
 	n = __neigh_lookup(&arp_tbl, &sip, dev, 0);
 
-	if (IN_DEV_ARP_ACCEPT(in_dev)) {
-		unsigned int addr_type = inet_addr_type_dev_table(net, dev, sip);
+	addr_type = -1;
+	if (n || IN_DEV_ARP_ACCEPT(in_dev)) {
+		is_garp = arp_is_garp(net, dev, &addr_type, arp->ar_op,
+				      sip, tip, sha, tha);
+	}
 
+	if (IN_DEV_ARP_ACCEPT(in_dev)) {
 		/* Unsolicited ARP is not accepted by default.
 		   It is possible, that this option should be enabled for some
 		   devices (strip is candidate)
 		 */
-		is_garp = arp->ar_op == htons(ARPOP_REQUEST) && tip == sip &&
-			  addr_type == RTN_UNICAST;
-
 		if (!n &&
-		    ((arp->ar_op == htons(ARPOP_REPLY)  &&
-				addr_type == RTN_UNICAST) || is_garp))
+		    (is_garp ||
+		     (arp->ar_op == htons(ARPOP_REPLY) &&
+		      (addr_type == RTN_UNICAST ||
+		       (addr_type < 0 &&
+			/* postpone calculation to as late as possible */
+			inet_addr_type_dev_table(net, dev, sip) ==
+				RTN_UNICAST)))))
 			n = __neigh_lookup(&arp_tbl, &sip, dev, 1);
 	}
 
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index 65cc02bd82bc..93322f895eab 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -248,6 +248,7 @@ int esp_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *
 	u8 *tail;
 	u8 *vaddr;
 	int nfrags;
+	int esph_offset;
 	struct page *page;
 	struct sk_buff *trailer;
 	int tailen = esp->tailen;
@@ -313,11 +314,13 @@ int esp_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *
 	}
 
 cow:
+	esph_offset = (unsigned char *)esp->esph - skb_transport_header(skb);
+
 	nfrags = skb_cow_data(skb, tailen, &trailer);
 	if (nfrags < 0)
 		goto out;
 	tail = skb_tail_pointer(trailer);
-	esp->esph = ip_esp_hdr(skb);
+	esp->esph = (struct ip_esp_hdr *)(skb_transport_header(skb) + esph_offset);
 
 skip_cow:
 	esp_output_fill_trailer(tail, esp->tfclen, esp->plen, esp->proto);
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 39bd1edee676..83e3ed258467 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -763,7 +763,7 @@ static int inet_dump_fib(struct sk_buff *skb, struct netlink_callback *cb)
 	unsigned int e = 0, s_e;
 	struct fib_table *tb;
 	struct hlist_head *head;
-	int dumped = 0;
+	int dumped = 0, err;
 
 	if (nlmsg_len(cb->nlh) >= sizeof(struct rtmsg) &&
 	    ((struct rtmsg *) nlmsg_data(cb->nlh))->rtm_flags & RTM_F_CLONED)
@@ -783,20 +783,27 @@ static int inet_dump_fib(struct sk_buff *skb, struct netlink_callback *cb)
 			if (dumped)
 				memset(&cb->args[2], 0, sizeof(cb->args) -
 						 2 * sizeof(cb->args[0]));
-			if (fib_table_dump(tb, skb, cb) < 0)
-				goto out;
+			err = fib_table_dump(tb, skb, cb);
+			if (err < 0) {
+				if (likely(skb->len))
+					goto out;
+
+				goto out_err;
+			}
 			dumped = 1;
 next:
 			e++;
 		}
 	}
 out:
+	err = skb->len;
+out_err:
 	rcu_read_unlock();
 
 	cb->args[1] = e;
 	cb->args[0] = h;
 
-	return skb->len;
+	return err;
 }
 
 /* Prepare and feed intra-kernel routing request.
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index da449ddb8cc1..ad9ad4aab5da 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -203,6 +203,7 @@ static void rt_fibinfo_free_cpus(struct rtable __rcu * __percpu *rtp)
 static void free_fib_info_rcu(struct rcu_head *head)
 {
 	struct fib_info *fi = container_of(head, struct fib_info, rcu);
+	struct dst_metrics *m;
 
 	change_nexthops(fi) {
 		if (nexthop_nh->nh_dev)
@@ -213,8 +214,9 @@ static void free_fib_info_rcu(struct rcu_head *head)
 		rt_fibinfo_free(&nexthop_nh->nh_rth_input);
 	} endfor_nexthops(fi);
 
-	if (fi->fib_metrics != (u32 *) dst_default_metrics)
-		kfree(fi->fib_metrics);
+	m = fi->fib_metrics;
+	if (m != &dst_default_metrics && atomic_dec_and_test(&m->refcnt))
+		kfree(m);
 	kfree(fi);
 }
 
@@ -971,11 +973,11 @@ fib_convert_metrics(struct fib_info *fi, const struct fib_config *cfg)
 			val = 255;
 		if (type == RTAX_FEATURES && (val & ~RTAX_FEATURE_MASK))
 			return -EINVAL;
-		fi->fib_metrics[type - 1] = val;
+		fi->fib_metrics->metrics[type - 1] = val;
 	}
 
 	if (ecn_ca)
-		fi->fib_metrics[RTAX_FEATURES - 1] |= DST_FEATURE_ECN_CA;
+		fi->fib_metrics->metrics[RTAX_FEATURES - 1] |= DST_FEATURE_ECN_CA;
 
 	return 0;
 }
@@ -1033,11 +1035,12 @@ struct fib_info *fib_create_info(struct fib_config *cfg)
 		goto failure;
 	fib_info_cnt++;
 	if (cfg->fc_mx) {
-		fi->fib_metrics = kzalloc(sizeof(u32) * RTAX_MAX, GFP_KERNEL);
+		fi->fib_metrics = kzalloc(sizeof(*fi->fib_metrics), GFP_KERNEL);
 		if (!fi->fib_metrics)
 			goto failure;
+		atomic_set(&fi->fib_metrics->refcnt, 1);
 	} else
-		fi->fib_metrics = (u32 *) dst_default_metrics;
+		fi->fib_metrics = (struct dst_metrics *)&dst_default_metrics;
 
 	fi->fib_net = net;
 	fi->fib_protocol = cfg->fc_protocol;
@@ -1238,7 +1241,7 @@ int fib_dump_info(struct sk_buff *skb, u32 portid, u32 seq, int event,
 	if (fi->fib_priority &&
 	    nla_put_u32(skb, RTA_PRIORITY, fi->fib_priority))
 		goto nla_put_failure;
-	if (rtnetlink_put_metrics(skb, fi->fib_metrics) < 0)
+	if (rtnetlink_put_metrics(skb, fi->fib_metrics->metrics) < 0)
 		goto nla_put_failure;
 
 	if (fi->fib_prefsrc &&
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 1201409ba1dc..51182ff2b441 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -1983,6 +1983,8 @@ static int fn_trie_dump_leaf(struct key_vector *l, struct fib_table *tb,
 
 	/* rcu_read_lock is hold by caller */
 	hlist_for_each_entry_rcu(fa, &l->leaf, fa_list) {
+		int err;
+
 		if (i < s_i) {
 			i++;
 			continue;
@@ -1993,17 +1995,14 @@ static int fn_trie_dump_leaf(struct key_vector *l, struct fib_table *tb,
 			continue;
 		}
 
-		if (fib_dump_info(skb, NETLINK_CB(cb->skb).portid,
-				  cb->nlh->nlmsg_seq,
-				  RTM_NEWROUTE,
-				  tb->tb_id,
-				  fa->fa_type,
-				  xkey,
-				  KEYLENGTH - fa->fa_slen,
-				  fa->fa_tos,
-				  fa->fa_info, NLM_F_MULTI) < 0) {
+		err = fib_dump_info(skb, NETLINK_CB(cb->skb).portid,
+				    cb->nlh->nlmsg_seq, RTM_NEWROUTE,
+				    tb->tb_id, fa->fa_type,
+				    xkey, KEYLENGTH - fa->fa_slen,
+				    fa->fa_tos, fa->fa_info, NLM_F_MULTI);
+		if (err < 0) {
 			cb->args[4] = i;
-			return -1;
+			return err;
 		}
 		i++;
 	}
@@ -2025,10 +2024,13 @@ int fib_table_dump(struct fib_table *tb, struct sk_buff *skb,
 	t_key key = cb->args[3];
 
 	while ((l = leaf_walk_rcu(&tp, key)) != NULL) {
-		if (fn_trie_dump_leaf(l, tb, skb, cb) < 0) {
+		int err;
+
+		err = fn_trie_dump_leaf(l, tb, skb, cb);
+		if (err < 0) {
 			cb->args[3] = key;
 			cb->args[2] = count;
-			return -1;
+			return err;
 		}
 
 		++count;
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 3a02d52ed50e..551de4d023a8 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -1980,6 +1980,20 @@ int ip_mr_input(struct sk_buff *skb)
 	struct net *net = dev_net(skb->dev);
 	int local = skb_rtable(skb)->rt_flags & RTCF_LOCAL;
 	struct mr_table *mrt;
+	struct net_device *dev;
+
+	/* skb->dev passed in is the loX master dev for vrfs.
+	 * As there are no vifs associated with loopback devices,
+	 * get the proper interface that does have a vif associated with it.
+	 */
+	dev = skb->dev;
+	if (netif_is_l3_master(skb->dev)) {
+		dev = dev_get_by_index_rcu(net, IPCB(skb)->iif);
+		if (!dev) {
+			kfree_skb(skb);
+			return -ENODEV;
+		}
+	}
 
 	/* Packet is looped back after forward, it should not be
 	 * forwarded second time, but still can be delivered locally.
@@ -2017,7 +2031,7 @@ int ip_mr_input(struct sk_buff *skb)
 	/* already under rcu_read_lock() */
 	cache = ipmr_cache_find(mrt, ip_hdr(skb)->saddr, ip_hdr(skb)->daddr);
 	if (!cache) {
-		int vif = ipmr_find_vif(mrt, skb->dev);
+		int vif = ipmr_find_vif(mrt, dev);
 
 		if (vif >= 0)
 			cache = ipmr_cache_find_any(mrt, ip_hdr(skb)->daddr,
@@ -2037,7 +2051,7 @@ int ip_mr_input(struct sk_buff *skb)
 		}
 
 		read_lock(&mrt_lock);
-		vif = ipmr_find_vif(mrt, skb->dev);
+		vif = ipmr_find_vif(mrt, dev);
 		if (vif >= 0) {
 			int err2 = ipmr_cache_unresolved(mrt, vif, skb);
 			read_unlock(&mrt_lock);
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 655d9eebe43e..6883b3d4ba8f 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1385,8 +1385,12 @@ static void rt_add_uncached_list(struct rtable *rt)
 
 static void ipv4_dst_destroy(struct dst_entry *dst)
 {
+	struct dst_metrics *p = (struct dst_metrics *)DST_METRICS_PTR(dst);
 	struct rtable *rt = (struct rtable *) dst;
 
+	if (p != &dst_default_metrics && atomic_dec_and_test(&p->refcnt))
+		kfree(p);
+
 	if (!list_empty(&rt->rt_uncached)) {
 		struct uncached_list *ul = rt->rt_uncached_list;
 
@@ -1438,7 +1442,11 @@ static void rt_set_nexthop(struct rtable *rt, __be32 daddr,
 			rt->rt_gateway = nh->nh_gw;
 			rt->rt_uses_gateway = 1;
 		}
-		dst_init_metrics(&rt->dst, fi->fib_metrics, true);
+		dst_init_metrics(&rt->dst, fi->fib_metrics->metrics, true);
+		if (fi->fib_metrics != &dst_default_metrics) {
+			rt->dst._metrics |= DST_METRICS_REFCOUNTED;
+			atomic_inc(&fi->fib_metrics->refcnt);
+		}
 #ifdef CONFIG_IP_ROUTE_CLASSID
 		rt->dst.tclassid = nh->nh_tclassid;
 #endif
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 1e4c76d2b827..59792d283ff8 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1084,9 +1084,12 @@ static int tcp_sendmsg_fastopen(struct sock *sk, struct msghdr *msg,
 {
 	struct tcp_sock *tp = tcp_sk(sk);
 	struct inet_sock *inet = inet_sk(sk);
+	struct sockaddr *uaddr = msg->msg_name;
 	int err, flags;
 
-	if (!(sysctl_tcp_fastopen & TFO_CLIENT_ENABLE))
+	if (!(sysctl_tcp_fastopen & TFO_CLIENT_ENABLE) ||
+	    (uaddr && msg->msg_namelen >= sizeof(uaddr->sa_family) &&
+	     uaddr->sa_family == AF_UNSPEC))
 		return -EOPNOTSUPP;
 	if (tp->fastopen_req)
 		return -EALREADY; /* Another Fast Open is in progress */
@@ -1108,7 +1111,7 @@ static int tcp_sendmsg_fastopen(struct sock *sk, struct msghdr *msg,
 		}
 	}
 	flags = (msg->msg_flags & MSG_DONTWAIT) ? O_NONBLOCK : 0;
-	err = __inet_stream_connect(sk->sk_socket, msg->msg_name,
+	err = __inet_stream_connect(sk->sk_socket, uaddr,
 				    msg->msg_namelen, flags, 1);
 	/* fastopen_req could already be freed in __inet_stream_connect
 	 * if the connection times out or gets rst
@@ -2320,6 +2323,10 @@ int tcp_disconnect(struct sock *sk, int flags)
 	tcp_set_ca_state(sk, TCP_CA_Open);
 	tcp_clear_retrans(tp);
 	inet_csk_delack_init(sk);
+	/* Initialize rcv_mss to TCP_MIN_MSS to avoid division by 0
+	 * issue in __tcp_select_window()
+	 */
+	icsk->icsk_ack.rcv_mss = TCP_MIN_MSS;
 	tcp_init_send_head(sk);
 	memset(&tp->rx_opt, 0, sizeof(tp->rx_opt));
 	__sk_dst_reset(sk);
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 5a3ad09e2786..174d4376baa5 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -1179,13 +1179,14 @@ static int tcp_match_skb_to_sack(struct sock *sk, struct sk_buff *skb,
 		 */
 		if (pkt_len > mss) {
 			unsigned int new_len = (pkt_len / mss) * mss;
-			if (!in_sack && new_len < pkt_len) {
+			if (!in_sack && new_len < pkt_len)
 				new_len += mss;
-				if (new_len >= skb->len)
-					return 0;
-			}
 			pkt_len = new_len;
 		}
+
+		if (pkt_len >= skb->len && !in_sack)
+			return 0;
+
 		err = tcp_fragment(sk, skb, pkt_len, mss, GFP_ATOMIC);
 		if (err < 0)
 			return err;
@@ -3189,7 +3190,7 @@ static int tcp_clean_rtx_queue(struct sock *sk, int prior_fackets,
 			int delta;
 
 			/* Non-retransmitted hole got filled? That's reordering */
-			if (reord < prior_fackets)
+			if (reord < prior_fackets && reord <= tp->fackets_out)
 				tcp_update_reordering(sk, tp->fackets_out - reord, 0);
 
 			delta = tcp_is_fack(tp) ? pkts_acked :
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index ea6e4cff9faf..1d6219bf2d6b 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1612,7 +1612,7 @@ static void udp_v4_rehash(struct sock *sk)
 	udp_lib_rehash(sk, new_hash);
 }
 
-int __udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
+static int __udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
 {
 	int rc;
 
@@ -1657,7 +1657,7 @@ EXPORT_SYMBOL(udp_encap_enable);
  * Note that in the success and error cases, the skb is assumed to
  * have either been requeued or freed.
  */
-int udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
+static int udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
 {
 	struct udp_sock *up = udp_sk(sk);
 	int is_udplite = IS_UDPLITE(sk);
diff --git a/net/ipv4/udp_impl.h b/net/ipv4/udp_impl.h
index feb50a16398d..a8cf8c6fb60c 100644
--- a/net/ipv4/udp_impl.h
+++ b/net/ipv4/udp_impl.h
@@ -25,7 +25,6 @@ int udp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int noblock,
 		int flags, int *addr_len);
 int udp_sendpage(struct sock *sk, struct page *page, int offset, size_t size,
 		 int flags);
-int __udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb);
 void udp_destroy_sock(struct sock *sk);
 
 #ifdef CONFIG_PROC_FS
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 8d297a79b568..6a4fb1e629fb 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -1022,7 +1022,10 @@ ipv6_add_addr(struct inet6_dev *idev, const struct in6_addr *addr,
 	INIT_HLIST_NODE(&ifa->addr_lst);
 	ifa->scope = scope;
 	ifa->prefix_len = pfxlen;
-	ifa->flags = flags | IFA_F_TENTATIVE;
+	ifa->flags = flags;
+	/* No need to add the TENTATIVE flag for addresses with NODAD */
+	if (!(flags & IFA_F_NODAD))
+		ifa->flags |= IFA_F_TENTATIVE;
 	ifa->valid_lft = valid_lft;
 	ifa->prefered_lft = prefered_lft;
 	ifa->cstamp = ifa->tstamp = jiffies;
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index 8d128ba79b66..0c5b4caa1949 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -537,11 +537,10 @@ static inline int ip6gre_xmit_ipv4(struct sk_buff *skb, struct net_device *dev)
 
 	memcpy(&fl6, &t->fl.u.ip6, sizeof(fl6));
 
-	dsfield = ipv4_get_dsfield(iph);
-
 	if (t->parms.flags & IP6_TNL_F_USE_ORIG_TCLASS)
-		fl6.flowlabel |= htonl((__u32)iph->tos << IPV6_TCLASS_SHIFT)
-					  & IPV6_TCLASS_MASK;
+		dsfield = ipv4_get_dsfield(iph);
+	else
+		dsfield = ip6_tclass(t->parms.flowinfo);
 	if (t->parms.flags & IP6_TNL_F_USE_ORIG_FWMARK)
 		fl6.flowi6_mark = skb->mark;
 	else
@@ -598,9 +597,11 @@ static inline int ip6gre_xmit_ipv6(struct sk_buff *skb, struct net_device *dev)
 
 	memcpy(&fl6, &t->fl.u.ip6, sizeof(fl6));
 
-	dsfield = ipv6_get_dsfield(ipv6h);
 	if (t->parms.flags & IP6_TNL_F_USE_ORIG_TCLASS)
-		fl6.flowlabel |= (*(__be32 *) ipv6h & IPV6_TCLASS_MASK);
+		dsfield = ipv6_get_dsfield(ipv6h);
+	else
+		dsfield = ip6_tclass(t->parms.flowinfo);
+
 	if (t->parms.flags & IP6_TNL_F_USE_ORIG_FLOWLABEL)
 		fl6.flowlabel |= ip6_flowlabel(ipv6h);
 	if (t->parms.flags & IP6_TNL_F_USE_ORIG_FWMARK)
diff --git a/net/ipv6/ip6_offload.c b/net/ipv6/ip6_offload.c
index 93e58a5e1837..280268f1dd7b 100644
--- a/net/ipv6/ip6_offload.c
+++ b/net/ipv6/ip6_offload.c
@@ -63,7 +63,6 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb,
 	const struct net_offload *ops;
 	int proto;
 	struct frag_hdr *fptr;
-	unsigned int unfrag_ip6hlen;
 	unsigned int payload_len;
 	u8 *prevhdr;
 	int offset = 0;
@@ -116,8 +115,10 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb,
 		skb->network_header = (u8 *)ipv6h - skb->head;
 
 		if (udpfrag) {
-			unfrag_ip6hlen = ip6_find_1stfragopt(skb, &prevhdr);
-			fptr = (struct frag_hdr *)((u8 *)ipv6h + unfrag_ip6hlen);
+			int err = ip6_find_1stfragopt(skb, &prevhdr);
+			if (err < 0)
+				return ERR_PTR(err);
+			fptr = (struct frag_hdr *)((u8 *)ipv6h + err);
 			fptr->frag_off = htons(offset);
 			if (skb->next)
 				fptr->frag_off |= htons(IP6_MF);
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 58f6288e9ba5..bf8a58a1c32d 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -597,7 +597,10 @@ int ip6_fragment(struct net *net, struct sock *sk, struct sk_buff *skb,
 	int ptr, offset = 0, err = 0;
 	u8 *prevhdr, nexthdr = 0;
 
-	hlen = ip6_find_1stfragopt(skb, &prevhdr);
+	err = ip6_find_1stfragopt(skb, &prevhdr);
+	if (err < 0)
+		goto fail;
+	hlen = err;
 	nexthdr = *prevhdr;
 
 	mtu = ip6_skb_dst_mtu(skb);
@@ -1463,6 +1466,11 @@ alloc_new_skb:
 			 */
 			alloclen += sizeof(struct frag_hdr);
 
+			copy = datalen - transhdrlen - fraggap;
+			if (copy < 0) {
+				err = -EINVAL;
+				goto error;
+			}
 			if (transhdrlen) {
 				skb = sock_alloc_send_skb(sk,
 						alloclen + hh_len,
@@ -1512,13 +1520,9 @@ alloc_new_skb:
 				data += fraggap;
 				pskb_trim_unique(skb_prev, maxfraglen);
 			}
-			copy = datalen - transhdrlen - fraggap;
-
-			if (copy < 0) {
-				err = -EINVAL;
-				kfree_skb(skb);
-				goto error;
-			} else if (copy > 0 && getfrag(from, data + transhdrlen, offset, copy, fraggap, skb) < 0) {
+			if (copy > 0 &&
+			    getfrag(from, data + transhdrlen, offset,
+				    copy, fraggap, skb) < 0) {
 				err = -EFAULT;
 				kfree_skb(skb);
 				goto error;
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 6eb2ae507500..7ae6c503f1ca 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1196,7 +1196,7 @@ route_lookup:
 	skb_push(skb, sizeof(struct ipv6hdr));
 	skb_reset_network_header(skb);
 	ipv6h = ipv6_hdr(skb);
-	ip6_flow_hdr(ipv6h, INET_ECN_encapsulate(0, dsfield),
+	ip6_flow_hdr(ipv6h, dsfield,
 		     ip6_make_flowlabel(net, skb, fl6->flowlabel, true, fl6));
 	ipv6h->hop_limit = hop_limit;
 	ipv6h->nexthdr = proto;
@@ -1231,8 +1231,6 @@ ip4ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
 	if (tproto != IPPROTO_IPIP && tproto != 0)
 		return -1;
 
-	dsfield = ipv4_get_dsfield(iph);
-
 	if (t->parms.collect_md) {
 		struct ip_tunnel_info *tun_info;
 		const struct ip_tunnel_key *key;
@@ -1246,6 +1244,7 @@ ip4ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
 		fl6.flowi6_proto = IPPROTO_IPIP;
 		fl6.daddr = key->u.ipv6.dst;
 		fl6.flowlabel = key->label;
+		dsfield = ip6_tclass(key->label);
 	} else {
 		if (!(t->parms.flags & IP6_TNL_F_IGN_ENCAP_LIMIT))
 			encap_limit = t->parms.encap_limit;
@@ -1254,8 +1253,9 @@ ip4ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
 		fl6.flowi6_proto = IPPROTO_IPIP;
 
 		if (t->parms.flags & IP6_TNL_F_USE_ORIG_TCLASS)
-			fl6.flowlabel |= htonl((__u32)iph->tos << IPV6_TCLASS_SHIFT)
-					 & IPV6_TCLASS_MASK;
+			dsfield = ipv4_get_dsfield(iph);
+		else
+			dsfield = ip6_tclass(t->parms.flowinfo);
 		if (t->parms.flags & IP6_TNL_F_USE_ORIG_FWMARK)
 			fl6.flowi6_mark = skb->mark;
 		else
@@ -1267,6 +1267,8 @@ ip4ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
 	if (iptunnel_handle_offloads(skb, SKB_GSO_IPXIP6))
 		return -1;
 
+	dsfield = INET_ECN_encapsulate(dsfield, ipv4_get_dsfield(iph));
+
 	skb_set_inner_ipproto(skb, IPPROTO_IPIP);
 
 	err = ip6_tnl_xmit(skb, dev, dsfield, &fl6, encap_limit, &mtu,
@@ -1300,8 +1302,6 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
 	    ip6_tnl_addr_conflict(t, ipv6h))
 		return -1;
 
-	dsfield = ipv6_get_dsfield(ipv6h);
-
 	if (t->parms.collect_md) {
 		struct ip_tunnel_info *tun_info;
 		const struct ip_tunnel_key *key;
@@ -1315,6 +1315,7 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
 		fl6.flowi6_proto = IPPROTO_IPV6;
 		fl6.daddr = key->u.ipv6.dst;
 		fl6.flowlabel = key->label;
+		dsfield = ip6_tclass(key->label);
 	} else {
 		offset = ip6_tnl_parse_tlv_enc_lim(skb, skb_network_header(skb));
 		/* ip6_tnl_parse_tlv_enc_lim() might have reallocated skb->head */
@@ -1337,7 +1338,9 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
 		fl6.flowi6_proto = IPPROTO_IPV6;
 
 		if (t->parms.flags & IP6_TNL_F_USE_ORIG_TCLASS)
-			fl6.flowlabel |= (*(__be32 *)ipv6h & IPV6_TCLASS_MASK);
+			dsfield = ipv6_get_dsfield(ipv6h);
+		else
+			dsfield = ip6_tclass(t->parms.flowinfo);
 		if (t->parms.flags & IP6_TNL_F_USE_ORIG_FLOWLABEL)
 			fl6.flowlabel |= ip6_flowlabel(ipv6h);
 		if (t->parms.flags & IP6_TNL_F_USE_ORIG_FWMARK)
@@ -1351,6 +1354,8 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
 	if (iptunnel_handle_offloads(skb, SKB_GSO_IPXIP6))
 		return -1;
 
+	dsfield = INET_ECN_encapsulate(dsfield, ipv6_get_dsfield(ipv6h));
+
 	skb_set_inner_ipproto(skb, IPPROTO_IPV6);
 
 	err = ip6_tnl_xmit(skb, dev, dsfield, &fl6, encap_limit, &mtu,
diff --git a/net/ipv6/output_core.c b/net/ipv6/output_core.c
index cd4252346a32..e9065b8d3af8 100644
--- a/net/ipv6/output_core.c
+++ b/net/ipv6/output_core.c
@@ -79,14 +79,13 @@ EXPORT_SYMBOL(ipv6_select_ident);
 int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr)
 {
 	u16 offset = sizeof(struct ipv6hdr);
-	struct ipv6_opt_hdr *exthdr =
-				(struct ipv6_opt_hdr *)(ipv6_hdr(skb) + 1);
 	unsigned int packet_len = skb_tail_pointer(skb) -
 		skb_network_header(skb);
 	int found_rhdr = 0;
 	*nexthdr = &ipv6_hdr(skb)->nexthdr;
 
-	while (offset + 1 <= packet_len) {
+	while (offset <= packet_len) {
+		struct ipv6_opt_hdr *exthdr;
 
 		switch (**nexthdr) {
 
@@ -107,13 +106,16 @@ int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr)
 			return offset;
 		}
 
-		offset += ipv6_optlen(exthdr);
-		*nexthdr = &exthdr->nexthdr;
+		if (offset + sizeof(struct ipv6_opt_hdr) > packet_len)
+			return -EINVAL;
+
 		exthdr = (struct ipv6_opt_hdr *)(skb_network_header(skb) +
 						 offset);
+		offset += ipv6_optlen(exthdr);
+		*nexthdr = &exthdr->nexthdr;
 	}
 
-	return offset;
+	return -EINVAL;
 }
 EXPORT_SYMBOL(ip6_find_1stfragopt);
 
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 7a8237acd210..4f4310a36a04 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1062,6 +1062,7 @@ static struct sock *tcp_v6_syn_recv_sock(const struct sock *sk, struct sk_buff *
 		newtp->af_specific = &tcp_sock_ipv6_mapped_specific;
 #endif
 
+		newnp->ipv6_mc_list = NULL;
 		newnp->ipv6_ac_list = NULL;
 		newnp->ipv6_fl_list = NULL;
 		newnp->pktoptions  = NULL;
@@ -1131,6 +1132,7 @@ static struct sock *tcp_v6_syn_recv_sock(const struct sock *sk, struct sk_buff *
 	   First: no IPv4 options.
 	 */
 	newinet->inet_opt = NULL;
+	newnp->ipv6_mc_list = NULL;
 	newnp->ipv6_ac_list = NULL;
 	newnp->ipv6_fl_list = NULL;
 
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 04862abfe4ec..06ec39b79609 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -526,7 +526,7 @@ out:
 	return;
 }
 
-int __udpv6_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
+static int __udpv6_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
 {
 	int rc;
 
@@ -569,7 +569,7 @@ void udpv6_encap_enable(void)
 }
 EXPORT_SYMBOL(udpv6_encap_enable);
 
-int udpv6_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
+static int udpv6_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
 {
 	struct udp_sock *up = udp_sk(sk);
 	int is_udplite = IS_UDPLITE(sk);
diff --git a/net/ipv6/udp_impl.h b/net/ipv6/udp_impl.h
index e78bdc76dcc3..f180b3d85e31 100644
--- a/net/ipv6/udp_impl.h
+++ b/net/ipv6/udp_impl.h
@@ -26,7 +26,6 @@ int compat_udpv6_getsockopt(struct sock *sk, int level, int optname,
 int udpv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len);
 int udpv6_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int noblock,
 		  int flags, int *addr_len);
-int __udpv6_queue_rcv_skb(struct sock *sk, struct sk_buff *skb);
 void udpv6_destroy_sock(struct sock *sk);
 
 #ifdef CONFIG_PROC_FS
diff --git a/net/ipv6/udp_offload.c b/net/ipv6/udp_offload.c
index ac858c480f2f..a2267f80febb 100644
--- a/net/ipv6/udp_offload.c
+++ b/net/ipv6/udp_offload.c
@@ -29,6 +29,7 @@ static struct sk_buff *udp6_ufo_fragment(struct sk_buff *skb,
 	u8 frag_hdr_sz = sizeof(struct frag_hdr);
 	__wsum csum;
 	int tnl_hlen;
+	int err;
 
 	mss = skb_shinfo(skb)->gso_size;
 	if (unlikely(skb->len <= mss))
@@ -90,7 +91,10 @@ static struct sk_buff *udp6_ufo_fragment(struct sk_buff *skb,
 		/* Find the unfragmentable header and shift it left by frag_hdr_sz
 		 * bytes to insert fragment header.
 		 */
-		unfrag_ip6hlen = ip6_find_1stfragopt(skb, &prevhdr);
+		err = ip6_find_1stfragopt(skb, &prevhdr);
+		if (err < 0)
+			return ERR_PTR(err);
+		unfrag_ip6hlen = err;
 		nexthdr = *prevhdr;
 		*prevhdr = NEXTHDR_FRAGMENT;
 		unfrag_len = (skb_network_header(skb) - skb_mac_header(skb)) +
diff --git a/net/key/af_key.c b/net/key/af_key.c
index c1950bb14735..512dc43d0ce6 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -3285,7 +3285,7 @@ static struct xfrm_policy *pfkey_compile_policy(struct sock *sk, int opt,
 		p += pol->sadb_x_policy_len*8;
 		sec_ctx = (struct sadb_x_sec_ctx *)p;
 		if (len < pol->sadb_x_policy_len*8 +
-		    sec_ctx->sadb_x_sec_len) {
+		    sec_ctx->sadb_x_sec_len*8) {
 			*dir = -EINVAL;
 			goto out;
 		}
diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c
index 8364fe5b59e4..c38d16f22d2a 100644
--- a/net/llc/af_llc.c
+++ b/net/llc/af_llc.c
@@ -311,6 +311,8 @@ static int llc_ui_bind(struct socket *sock, struct sockaddr *uaddr, int addrlen)
 	int rc = -EINVAL;
 
 	dprintk("%s: binding %02X\n", __func__, addr->sllc_sap);
+
+	lock_sock(sk);
 	if (unlikely(!sock_flag(sk, SOCK_ZAPPED) || addrlen != sizeof(*addr)))
 		goto out;
 	rc = -EAFNOSUPPORT;
@@ -382,6 +384,7 @@ static int llc_ui_bind(struct socket *sock, struct sockaddr *uaddr, int addrlen)
 out_put:
 	llc_sap_put(sap);
 out:
+	release_sock(sk);
 	return rc;
 }
 
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 35f4c7d7a500..1f75280ba26c 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -2492,7 +2492,8 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
 		if (is_multicast_ether_addr(hdr->addr1)) {
 			mpp_addr = hdr->addr3;
 			proxied_addr = mesh_hdr->eaddr1;
-		} else if (mesh_hdr->flags & MESH_FLAGS_AE_A5_A6) {
+		} else if ((mesh_hdr->flags & MESH_FLAGS_AE) ==
+			    MESH_FLAGS_AE_A5_A6) {
 			/* has_a4 already checked in ieee80211_rx_mesh_check */
 			mpp_addr = hdr->addr4;
 			proxied_addr = mesh_hdr->eaddr2;
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index d2d7bdf1d510..ad99c1ceea6f 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -849,10 +849,8 @@ static int handle_response_icmp(int af, struct sk_buff *skb,
 {
 	unsigned int verdict = NF_DROP;
 
-	if (IP_VS_FWD_METHOD(cp) != 0) {
-		pr_err("shouldn't reach here, because the box is on the "
-		       "half connection in the tun/dr module.\n");
-	}
+	if (IP_VS_FWD_METHOD(cp) != IP_VS_CONN_F_MASQ)
+		goto ignore_cp;
 
 	/* Ensure the checksum is correct */
 	if (!skb_csum_unnecessary(skb) && ip_vs_checksum_complete(skb, ihl)) {
@@ -886,6 +884,8 @@ static int handle_response_icmp(int af, struct sk_buff *skb,
 		ip_vs_notrack(skb);
 	else
 		ip_vs_update_conntrack(skb, cp, 0);
+
+ignore_cp:
 	verdict = NF_ACCEPT;
 
 out:
@@ -1385,8 +1385,11 @@ ip_vs_out(struct netns_ipvs *ipvs, unsigned int hooknum, struct sk_buff *skb, in
 	 */
 	cp = pp->conn_out_get(ipvs, af, skb, &iph);
 
-	if (likely(cp))
+	if (likely(cp)) {
+		if (IP_VS_FWD_METHOD(cp) != IP_VS_CONN_F_MASQ)
+			goto ignore_cp;
 		return handle_response(af, skb, pd, cp, &iph, hooknum);
+	}
 
 	/* Check for real-server-started requests */
 	if (atomic_read(&ipvs->conn_out_counter)) {
@@ -1444,9 +1447,15 @@ ip_vs_out(struct netns_ipvs *ipvs, unsigned int hooknum, struct sk_buff *skb, in
 			}
 		}
 	}
+
+out:
 	IP_VS_DBG_PKT(12, af, pp, skb, iph.off,
 		      "ip_vs_out: packet continues traversal as normal");
 	return NF_ACCEPT;
+
+ignore_cp:
+	__ip_vs_conn_put(cp);
+	goto out;
 }
 
 /*
diff --git a/net/netfilter/nf_conntrack_helper.c b/net/netfilter/nf_conntrack_helper.c
index 3a60efa7799b..7f6100ca63be 100644
--- a/net/netfilter/nf_conntrack_helper.c
+++ b/net/netfilter/nf_conntrack_helper.c
@@ -174,6 +174,10 @@ nf_conntrack_helper_try_module_get(const char *name, u16 l3num, u8 protonum)
 #endif
 	if (h != NULL && !try_module_get(h->me))
 		h = NULL;
+	if (h != NULL && !refcount_inc_not_zero(&h->refcnt)) {
+		module_put(h->me);
+		h = NULL;
+	}
 
 	rcu_read_unlock();
 
@@ -181,6 +185,13 @@ nf_conntrack_helper_try_module_get(const char *name, u16 l3num, u8 protonum)
 }
 EXPORT_SYMBOL_GPL(nf_conntrack_helper_try_module_get);
 
+void nf_conntrack_helper_put(struct nf_conntrack_helper *helper)
+{
+	refcount_dec(&helper->refcnt);
+	module_put(helper->me);
+}
+EXPORT_SYMBOL_GPL(nf_conntrack_helper_put);
+
 struct nf_conn_help *
 nf_ct_helper_ext_add(struct nf_conn *ct,
 		     struct nf_conntrack_helper *helper, gfp_t gfp)
@@ -417,6 +428,7 @@ int nf_conntrack_helper_register(struct nf_conntrack_helper *me)
 			}
 		}
 	}
+	refcount_set(&me->refcnt, 1);
 	hlist_add_head_rcu(&me->hnode, &nf_ct_helper_hash[h]);
 	nf_ct_helper_count++;
 out:
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index dcf561b5c97a..9799a50bc604 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -45,6 +45,8 @@
 #include <net/netfilter/nf_conntrack_zones.h>
 #include <net/netfilter/nf_conntrack_timestamp.h>
 #include <net/netfilter/nf_conntrack_labels.h>
+#include <net/netfilter/nf_conntrack_seqadj.h>
+#include <net/netfilter/nf_conntrack_synproxy.h>
 #ifdef CONFIG_NF_NAT_NEEDED
 #include <net/netfilter/nf_nat_core.h>
 #include <net/netfilter/nf_nat_l4proto.h>
@@ -1007,9 +1009,8 @@ static const struct nla_policy tuple_nla_policy[CTA_TUPLE_MAX+1] = {
 
 static int
 ctnetlink_parse_tuple(const struct nlattr * const cda[],
-		      struct nf_conntrack_tuple *tuple,
-		      enum ctattr_type type, u_int8_t l3num,
-		      struct nf_conntrack_zone *zone)
+		      struct nf_conntrack_tuple *tuple, u32 type,
+		      u_int8_t l3num, struct nf_conntrack_zone *zone)
 {
 	struct nlattr *tb[CTA_TUPLE_MAX+1];
 	int err;
@@ -1828,6 +1829,8 @@ ctnetlink_create_conntrack(struct net *net,
 	nf_ct_tstamp_ext_add(ct, GFP_ATOMIC);
 	nf_ct_ecache_ext_add(ct, 0, 0, GFP_ATOMIC);
 	nf_ct_labels_ext_add(ct);
+	nfct_seqadj_ext_add(ct);
+	nfct_synproxy_ext_add(ct);
 
 	/* we must add conntrack extensions before confirmation. */
 	ct->status |= IPS_CONFIRMED;
@@ -2447,7 +2450,7 @@ static struct nfnl_ct_hook ctnetlink_glue_hook = {
 
 static int ctnetlink_exp_dump_tuple(struct sk_buff *skb,
 				    const struct nf_conntrack_tuple *tuple,
-				    enum ctattr_expect type)
+				    u32 type)
 {
 	struct nlattr *nest_parms;
 
diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c
index b48d6b5aae8a..ef0be325a0c6 100644
--- a/net/netfilter/nf_nat_core.c
+++ b/net/netfilter/nf_nat_core.c
@@ -409,6 +409,10 @@ nf_nat_setup_info(struct nf_conn *ct,
 {
 	struct nf_conntrack_tuple curr_tuple, new_tuple;
 
+	/* Can't setup nat info for confirmed ct. */
+	if (nf_ct_is_confirmed(ct))
+		return NF_ACCEPT;
+
 	NF_CT_ASSERT(maniptype == NF_NAT_MANIP_SRC ||
 		     maniptype == NF_NAT_MANIP_DST);
 	BUG_ON(nf_nat_initialized(ct, maniptype));
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 559225029740..da314be0c048 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -3367,35 +3367,50 @@ static int nf_tables_dump_setelem(const struct nft_ctx *ctx,
 	return nf_tables_fill_setelem(args->skb, set, elem);
 }
 
+struct nft_set_dump_ctx {
+	const struct nft_set	*set;
+	struct nft_ctx		ctx;
+};
+
 static int nf_tables_dump_set(struct sk_buff *skb, struct netlink_callback *cb)
 {
+	struct nft_set_dump_ctx *dump_ctx = cb->data;
 	struct net *net = sock_net(skb->sk);
-	u8 genmask = nft_genmask_cur(net);
+	struct nft_af_info *afi;
+	struct nft_table *table;
 	struct nft_set *set;
 	struct nft_set_dump_args args;
-	struct nft_ctx ctx;
-	struct nlattr *nla[NFTA_SET_ELEM_LIST_MAX + 1];
+	bool set_found = false;
 	struct nfgenmsg *nfmsg;
 	struct nlmsghdr *nlh;
 	struct nlattr *nest;
 	u32 portid, seq;
-	int event, err;
+	int event;
 
-	err = nlmsg_parse(cb->nlh, sizeof(struct nfgenmsg), nla,
-			  NFTA_SET_ELEM_LIST_MAX, nft_set_elem_list_policy,
-			  NULL);
-	if (err < 0)
-		return err;
+	rcu_read_lock();
+	list_for_each_entry_rcu(afi, &net->nft.af_info, list) {
+		if (afi != dump_ctx->ctx.afi)
+			continue;
 
-	err = nft_ctx_init_from_elemattr(&ctx, net, cb->skb, cb->nlh,
-					 (void *)nla, genmask);
-	if (err < 0)
-		return err;
+		list_for_each_entry_rcu(table, &afi->tables, list) {
+			if (table != dump_ctx->ctx.table)
+				continue;
 
-	set = nf_tables_set_lookup(ctx.table, nla[NFTA_SET_ELEM_LIST_SET],
-				   genmask);
-	if (IS_ERR(set))
-		return PTR_ERR(set);
+			list_for_each_entry_rcu(set, &table->sets, list) {
+				if (set == dump_ctx->set) {
+					set_found = true;
+					break;
+				}
+			}
+			break;
+		}
+		break;
+	}
+
+	if (!set_found) {
+		rcu_read_unlock();
+		return -ENOENT;
+	}
 
 	event  = nfnl_msg_type(NFNL_SUBSYS_NFTABLES, NFT_MSG_NEWSETELEM);
 	portid = NETLINK_CB(cb->skb).portid;
@@ -3407,11 +3422,11 @@ static int nf_tables_dump_set(struct sk_buff *skb, struct netlink_callback *cb)
 		goto nla_put_failure;
 
 	nfmsg = nlmsg_data(nlh);
-	nfmsg->nfgen_family = ctx.afi->family;
+	nfmsg->nfgen_family = afi->family;
 	nfmsg->version      = NFNETLINK_V0;
-	nfmsg->res_id	    = htons(ctx.net->nft.base_seq & 0xffff);
+	nfmsg->res_id	    = htons(net->nft.base_seq & 0xffff);
 
-	if (nla_put_string(skb, NFTA_SET_ELEM_LIST_TABLE, ctx.table->name))
+	if (nla_put_string(skb, NFTA_SET_ELEM_LIST_TABLE, table->name))
 		goto nla_put_failure;
 	if (nla_put_string(skb, NFTA_SET_ELEM_LIST_SET, set->name))
 		goto nla_put_failure;
@@ -3422,12 +3437,13 @@ static int nf_tables_dump_set(struct sk_buff *skb, struct netlink_callback *cb)
 
 	args.cb			= cb;
 	args.skb		= skb;
-	args.iter.genmask	= nft_genmask_cur(ctx.net);
+	args.iter.genmask	= nft_genmask_cur(net);
 	args.iter.skip		= cb->args[0];
 	args.iter.count		= 0;
 	args.iter.err		= 0;
 	args.iter.fn		= nf_tables_dump_setelem;
-	set->ops->walk(&ctx, set, &args.iter);
+	set->ops->walk(&dump_ctx->ctx, set, &args.iter);
+	rcu_read_unlock();
 
 	nla_nest_end(skb, nest);
 	nlmsg_end(skb, nlh);
@@ -3441,9 +3457,16 @@ static int nf_tables_dump_set(struct sk_buff *skb, struct netlink_callback *cb)
 	return skb->len;
 
 nla_put_failure:
+	rcu_read_unlock();
 	return -ENOSPC;
 }
 
+static int nf_tables_dump_set_done(struct netlink_callback *cb)
+{
+	kfree(cb->data);
+	return 0;
+}
+
 static int nf_tables_getsetelem(struct net *net, struct sock *nlsk,
 				struct sk_buff *skb, const struct nlmsghdr *nlh,
 				const struct nlattr * const nla[])
@@ -3465,7 +3488,18 @@ static int nf_tables_getsetelem(struct net *net, struct sock *nlsk,
 	if (nlh->nlmsg_flags & NLM_F_DUMP) {
 		struct netlink_dump_control c = {
 			.dump = nf_tables_dump_set,
+			.done = nf_tables_dump_set_done,
 		};
+		struct nft_set_dump_ctx *dump_ctx;
+
+		dump_ctx = kmalloc(sizeof(*dump_ctx), GFP_KERNEL);
+		if (!dump_ctx)
+			return -ENOMEM;
+
+		dump_ctx->set = set;
+		dump_ctx->ctx = ctx;
+
+		c.data = dump_ctx;
 		return netlink_dump_start(nlsk, skb, nlh, &c);
 	}
 	return -EOPNOTSUPP;
@@ -3593,9 +3627,9 @@ void nft_set_elem_destroy(const struct nft_set *set, void *elem,
 {
 	struct nft_set_ext *ext = nft_set_elem_ext(set, elem);
 
-	nft_data_uninit(nft_set_ext_key(ext), NFT_DATA_VALUE);
+	nft_data_release(nft_set_ext_key(ext), NFT_DATA_VALUE);
 	if (nft_set_ext_exists(ext, NFT_SET_EXT_DATA))
-		nft_data_uninit(nft_set_ext_data(ext), set->dtype);
+		nft_data_release(nft_set_ext_data(ext), set->dtype);
 	if (destroy_expr && nft_set_ext_exists(ext, NFT_SET_EXT_EXPR))
 		nf_tables_expr_destroy(NULL, nft_set_ext_expr(ext));
 	if (nft_set_ext_exists(ext, NFT_SET_EXT_OBJREF))
@@ -3604,6 +3638,18 @@ void nft_set_elem_destroy(const struct nft_set *set, void *elem,
 }
 EXPORT_SYMBOL_GPL(nft_set_elem_destroy);
 
+/* Only called from commit path, nft_set_elem_deactivate() already deals with
+ * the refcounting from the preparation phase.
+ */
+static void nf_tables_set_elem_destroy(const struct nft_set *set, void *elem)
+{
+	struct nft_set_ext *ext = nft_set_elem_ext(set, elem);
+
+	if (nft_set_ext_exists(ext, NFT_SET_EXT_EXPR))
+		nf_tables_expr_destroy(NULL, nft_set_ext_expr(ext));
+	kfree(elem);
+}
+
 static int nft_setelem_parse_flags(const struct nft_set *set,
 				   const struct nlattr *attr, u32 *flags)
 {
@@ -3815,9 +3861,9 @@ err4:
 	kfree(elem.priv);
 err3:
 	if (nla[NFTA_SET_ELEM_DATA] != NULL)
-		nft_data_uninit(&data, d2.type);
+		nft_data_release(&data, d2.type);
 err2:
-	nft_data_uninit(&elem.key.val, d1.type);
+	nft_data_release(&elem.key.val, d1.type);
 err1:
 	return err;
 }
@@ -3862,6 +3908,53 @@ static int nf_tables_newsetelem(struct net *net, struct sock *nlsk,
 	return err;
 }
 
+/**
+ *	nft_data_hold - hold a nft_data item
+ *
+ *	@data: struct nft_data to release
+ *	@type: type of data
+ *
+ *	Hold a nft_data item. NFT_DATA_VALUE types can be silently discarded,
+ *	NFT_DATA_VERDICT bumps the reference to chains in case of NFT_JUMP and
+ *	NFT_GOTO verdicts. This function must be called on active data objects
+ *	from the second phase of the commit protocol.
+ */
+static void nft_data_hold(const struct nft_data *data, enum nft_data_types type)
+{
+	if (type == NFT_DATA_VERDICT) {
+		switch (data->verdict.code) {
+		case NFT_JUMP:
+		case NFT_GOTO:
+			data->verdict.chain->use++;
+			break;
+		}
+	}
+}
+
+static void nft_set_elem_activate(const struct net *net,
+				  const struct nft_set *set,
+				  struct nft_set_elem *elem)
+{
+	const struct nft_set_ext *ext = nft_set_elem_ext(set, elem->priv);
+
+	if (nft_set_ext_exists(ext, NFT_SET_EXT_DATA))
+		nft_data_hold(nft_set_ext_data(ext), set->dtype);
+	if (nft_set_ext_exists(ext, NFT_SET_EXT_OBJREF))
+		(*nft_set_ext_obj(ext))->use++;
+}
+
+static void nft_set_elem_deactivate(const struct net *net,
+				    const struct nft_set *set,
+				    struct nft_set_elem *elem)
+{
+	const struct nft_set_ext *ext = nft_set_elem_ext(set, elem->priv);
+
+	if (nft_set_ext_exists(ext, NFT_SET_EXT_DATA))
+		nft_data_release(nft_set_ext_data(ext), set->dtype);
+	if (nft_set_ext_exists(ext, NFT_SET_EXT_OBJREF))
+		(*nft_set_ext_obj(ext))->use--;
+}
+
 static int nft_del_setelem(struct nft_ctx *ctx, struct nft_set *set,
 			   const struct nlattr *attr)
 {
@@ -3927,6 +4020,8 @@ static int nft_del_setelem(struct nft_ctx *ctx, struct nft_set *set,
 	kfree(elem.priv);
 	elem.priv = priv;
 
+	nft_set_elem_deactivate(ctx->net, set, &elem);
+
 	nft_trans_elem(trans) = elem;
 	list_add_tail(&trans->list, &ctx->net->nft.commit_list);
 	return 0;
@@ -3936,7 +4031,7 @@ err4:
 err3:
 	kfree(elem.priv);
 err2:
-	nft_data_uninit(&elem.key.val, desc.type);
+	nft_data_release(&elem.key.val, desc.type);
 err1:
 	return err;
 }
@@ -4743,8 +4838,8 @@ static void nf_tables_commit_release(struct nft_trans *trans)
 		nft_set_destroy(nft_trans_set(trans));
 		break;
 	case NFT_MSG_DELSETELEM:
-		nft_set_elem_destroy(nft_trans_elem_set(trans),
-				     nft_trans_elem(trans).priv, true);
+		nf_tables_set_elem_destroy(nft_trans_elem_set(trans),
+					   nft_trans_elem(trans).priv);
 		break;
 	case NFT_MSG_DELOBJ:
 		nft_obj_destroy(nft_trans_obj(trans));
@@ -4979,6 +5074,7 @@ static int nf_tables_abort(struct net *net, struct sk_buff *skb)
 		case NFT_MSG_DELSETELEM:
 			te = (struct nft_trans_elem *)trans->data;
 
+			nft_set_elem_activate(net, te->set, &te->elem);
 			te->set->ops->activate(net, te->set, &te->elem);
 			te->set->ndeact--;
 
@@ -5464,7 +5560,7 @@ int nft_data_init(const struct nft_ctx *ctx,
 EXPORT_SYMBOL_GPL(nft_data_init);
 
 /**
- *	nft_data_uninit - release a nft_data item
+ *	nft_data_release - release a nft_data item
  *
  *	@data: struct nft_data to release
  *	@type: type of data
@@ -5472,7 +5568,7 @@ EXPORT_SYMBOL_GPL(nft_data_init);
  *	Release a nft_data item. NFT_DATA_VALUE types can be silently discarded,
  *	all others need to be released by calling this function.
  */
-void nft_data_uninit(const struct nft_data *data, enum nft_data_types type)
+void nft_data_release(const struct nft_data *data, enum nft_data_types type)
 {
 	if (type < NFT_DATA_VERDICT)
 		return;
@@ -5483,7 +5579,7 @@ void nft_data_uninit(const struct nft_data *data, enum nft_data_types type)
 		WARN_ON(1);
 	}
 }
-EXPORT_SYMBOL_GPL(nft_data_uninit);
+EXPORT_SYMBOL_GPL(nft_data_release);
 
 int nft_data_dump(struct sk_buff *skb, int attr, const struct nft_data *data,
 		  enum nft_data_types type, unsigned int len)
diff --git a/net/netfilter/nfnetlink_cthelper.c b/net/netfilter/nfnetlink_cthelper.c
index 950bf6eadc65..be678a323598 100644
--- a/net/netfilter/nfnetlink_cthelper.c
+++ b/net/netfilter/nfnetlink_cthelper.c
@@ -686,6 +686,7 @@ static int nfnl_cthelper_del(struct net *net, struct sock *nfnl,
 		tuple_set = true;
 	}
 
+	ret = -ENOENT;
 	list_for_each_entry_safe(nlcth, n, &nfnl_cthelper_list, list) {
 		cur = &nlcth->helper;
 		j++;
@@ -699,16 +700,20 @@ static int nfnl_cthelper_del(struct net *net, struct sock *nfnl,
 		     tuple.dst.protonum != cur->tuple.dst.protonum))
 			continue;
 
-		found = true;
-		nf_conntrack_helper_unregister(cur);
-		kfree(cur->expect_policy);
+		if (refcount_dec_if_one(&cur->refcnt)) {
+			found = true;
+			nf_conntrack_helper_unregister(cur);
+			kfree(cur->expect_policy);
 
-		list_del(&nlcth->list);
-		kfree(nlcth);
+			list_del(&nlcth->list);
+			kfree(nlcth);
+		} else {
+			ret = -EBUSY;
+		}
 	}
 
 	/* Make sure we return success if we flush and there is no helpers */
-	return (found || j == 0) ? 0 : -ENOENT;
+	return (found || j == 0) ? 0 : ret;
 }
 
 static const struct nla_policy nfnl_cthelper_policy[NFCTH_MAX+1] = {
diff --git a/net/netfilter/nft_bitwise.c b/net/netfilter/nft_bitwise.c
index 877d9acd91ef..fff8073e2a56 100644
--- a/net/netfilter/nft_bitwise.c
+++ b/net/netfilter/nft_bitwise.c
@@ -83,17 +83,26 @@ static int nft_bitwise_init(const struct nft_ctx *ctx,
 			    tb[NFTA_BITWISE_MASK]);
 	if (err < 0)
 		return err;
-	if (d1.len != priv->len)
-		return -EINVAL;
+	if (d1.len != priv->len) {
+		err = -EINVAL;
+		goto err1;
+	}
 
 	err = nft_data_init(NULL, &priv->xor, sizeof(priv->xor), &d2,
 			    tb[NFTA_BITWISE_XOR]);
 	if (err < 0)
-		return err;
-	if (d2.len != priv->len)
-		return -EINVAL;
+		goto err1;
+	if (d2.len != priv->len) {
+		err = -EINVAL;
+		goto err2;
+	}
 
 	return 0;
+err2:
+	nft_data_release(&priv->xor, d2.type);
+err1:
+	nft_data_release(&priv->mask, d1.type);
+	return err;
 }
 
 static int nft_bitwise_dump(struct sk_buff *skb, const struct nft_expr *expr)
diff --git a/net/netfilter/nft_cmp.c b/net/netfilter/nft_cmp.c
index 2b96effeadc1..c2945eb3397c 100644
--- a/net/netfilter/nft_cmp.c
+++ b/net/netfilter/nft_cmp.c
@@ -201,10 +201,18 @@ nft_cmp_select_ops(const struct nft_ctx *ctx, const struct nlattr * const tb[])
 	if (err < 0)
 		return ERR_PTR(err);
 
+	if (desc.type != NFT_DATA_VALUE) {
+		err = -EINVAL;
+		goto err1;
+	}
+
 	if (desc.len <= sizeof(u32) && op == NFT_CMP_EQ)
 		return &nft_cmp_fast_ops;
-	else
-		return &nft_cmp_ops;
+
+	return &nft_cmp_ops;
+err1:
+	nft_data_release(&data, desc.type);
+	return ERR_PTR(-EINVAL);
 }
 
 struct nft_expr_type nft_cmp_type __read_mostly = {
diff --git a/net/netfilter/nft_ct.c b/net/netfilter/nft_ct.c
index a34ceb38fc55..1678e9e75e8e 100644
--- a/net/netfilter/nft_ct.c
+++ b/net/netfilter/nft_ct.c
@@ -826,9 +826,9 @@ static void nft_ct_helper_obj_destroy(struct nft_object *obj)
 	struct nft_ct_helper_obj *priv = nft_obj_data(obj);
 
 	if (priv->helper4)
-		module_put(priv->helper4->me);
+		nf_conntrack_helper_put(priv->helper4);
 	if (priv->helper6)
-		module_put(priv->helper6->me);
+		nf_conntrack_helper_put(priv->helper6);
 }
 
 static void nft_ct_helper_obj_eval(struct nft_object *obj,
diff --git a/net/netfilter/nft_immediate.c b/net/netfilter/nft_immediate.c
index 728baf88295a..4717d7796927 100644
--- a/net/netfilter/nft_immediate.c
+++ b/net/netfilter/nft_immediate.c
@@ -65,7 +65,7 @@ static int nft_immediate_init(const struct nft_ctx *ctx,
 	return 0;
 
 err1:
-	nft_data_uninit(&priv->data, desc.type);
+	nft_data_release(&priv->data, desc.type);
 	return err;
 }
 
@@ -73,7 +73,8 @@ static void nft_immediate_destroy(const struct nft_ctx *ctx,
 				  const struct nft_expr *expr)
 {
 	const struct nft_immediate_expr *priv = nft_expr_priv(expr);
-	return nft_data_uninit(&priv->data, nft_dreg_to_type(priv->dreg));
+
+	return nft_data_release(&priv->data, nft_dreg_to_type(priv->dreg));
 }
 
 static int nft_immediate_dump(struct sk_buff *skb, const struct nft_expr *expr)
diff --git a/net/netfilter/nft_range.c b/net/netfilter/nft_range.c
index 9edc74eedc10..cedb96c3619f 100644
--- a/net/netfilter/nft_range.c
+++ b/net/netfilter/nft_range.c
@@ -102,9 +102,9 @@ static int nft_range_init(const struct nft_ctx *ctx, const struct nft_expr *expr
 	priv->len = desc_from.len;
 	return 0;
 err2:
-	nft_data_uninit(&priv->data_to, desc_to.type);
+	nft_data_release(&priv->data_to, desc_to.type);
 err1:
-	nft_data_uninit(&priv->data_from, desc_from.type);
+	nft_data_release(&priv->data_from, desc_from.type);
 	return err;
 }
 
diff --git a/net/netfilter/nft_set_hash.c b/net/netfilter/nft_set_hash.c
index 8ec086b6b56b..3d3a6df4ce70 100644
--- a/net/netfilter/nft_set_hash.c
+++ b/net/netfilter/nft_set_hash.c
@@ -222,7 +222,7 @@ static void nft_hash_walk(const struct nft_ctx *ctx, struct nft_set *set,
 	struct nft_set_elem elem;
 	int err;
 
-	err = rhashtable_walk_init(&priv->ht, &hti, GFP_KERNEL);
+	err = rhashtable_walk_init(&priv->ht, &hti, GFP_ATOMIC);
 	iter->err = err;
 	if (err)
 		return;
diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c
index 8876b7da6884..1770c1d9b37f 100644
--- a/net/netfilter/x_tables.c
+++ b/net/netfilter/x_tables.c
@@ -283,28 +283,30 @@ static int xt_obj_to_user(u16 __user *psize, u16 size,
 		       &U->u.user.revision, K->u.kernel.TYPE->revision)
 
 int xt_data_to_user(void __user *dst, const void *src,
-		    int usersize, int size)
+		    int usersize, int size, int aligned_size)
 {
 	usersize = usersize ? : size;
 	if (copy_to_user(dst, src, usersize))
 		return -EFAULT;
-	if (usersize != size && clear_user(dst + usersize, size - usersize))
+	if (usersize != aligned_size &&
+	    clear_user(dst + usersize, aligned_size - usersize))
 		return -EFAULT;
 
 	return 0;
 }
 EXPORT_SYMBOL_GPL(xt_data_to_user);
 
-#define XT_DATA_TO_USER(U, K, TYPE, C_SIZE)				\
+#define XT_DATA_TO_USER(U, K, TYPE)					\
 	xt_data_to_user(U->data, K->data,				\
 			K->u.kernel.TYPE->usersize,			\
-			C_SIZE ? : K->u.kernel.TYPE->TYPE##size)
+			K->u.kernel.TYPE->TYPE##size,			\
+			XT_ALIGN(K->u.kernel.TYPE->TYPE##size))
 
 int xt_match_to_user(const struct xt_entry_match *m,
 		     struct xt_entry_match __user *u)
 {
 	return XT_OBJ_TO_USER(u, m, match, 0) ||
-	       XT_DATA_TO_USER(u, m, match, 0);
+	       XT_DATA_TO_USER(u, m, match);
 }
 EXPORT_SYMBOL_GPL(xt_match_to_user);
 
@@ -312,7 +314,7 @@ int xt_target_to_user(const struct xt_entry_target *t,
 		      struct xt_entry_target __user *u)
 {
 	return XT_OBJ_TO_USER(u, t, target, 0) ||
-	       XT_DATA_TO_USER(u, t, target, 0);
+	       XT_DATA_TO_USER(u, t, target);
 }
 EXPORT_SYMBOL_GPL(xt_target_to_user);
 
@@ -611,6 +613,12 @@ void xt_compat_match_from_user(struct xt_entry_match *m, void **dstptr,
 }
 EXPORT_SYMBOL_GPL(xt_compat_match_from_user);
 
+#define COMPAT_XT_DATA_TO_USER(U, K, TYPE, C_SIZE)			\
+	xt_data_to_user(U->data, K->data,				\
+			K->u.kernel.TYPE->usersize,			\
+			C_SIZE,						\
+			COMPAT_XT_ALIGN(C_SIZE))
+
 int xt_compat_match_to_user(const struct xt_entry_match *m,
 			    void __user **dstptr, unsigned int *size)
 {
@@ -626,7 +634,7 @@ int xt_compat_match_to_user(const struct xt_entry_match *m,
 		if (match->compat_to_user((void __user *)cm->data, m->data))
 			return -EFAULT;
 	} else {
-		if (XT_DATA_TO_USER(cm, m, match, msize - sizeof(*cm)))
+		if (COMPAT_XT_DATA_TO_USER(cm, m, match, msize - sizeof(*cm)))
 			return -EFAULT;
 	}
 
@@ -972,7 +980,7 @@ int xt_compat_target_to_user(const struct xt_entry_target *t,
 		if (target->compat_to_user((void __user *)ct->data, t->data))
 			return -EFAULT;
 	} else {
-		if (XT_DATA_TO_USER(ct, t, target, tsize - sizeof(*ct)))
+		if (COMPAT_XT_DATA_TO_USER(ct, t, target, tsize - sizeof(*ct)))
 			return -EFAULT;
 	}
 
diff --git a/net/netfilter/xt_CT.c b/net/netfilter/xt_CT.c
index bb7ad82dcd56..623ef37de886 100644
--- a/net/netfilter/xt_CT.c
+++ b/net/netfilter/xt_CT.c
@@ -96,7 +96,7 @@ xt_ct_set_helper(struct nf_conn *ct, const char *helper_name,
 
 	help = nf_ct_helper_ext_add(ct, helper, GFP_KERNEL);
 	if (help == NULL) {
-		module_put(helper->me);
+		nf_conntrack_helper_put(helper);
 		return -ENOMEM;
 	}
 
@@ -263,7 +263,7 @@ out:
 err4:
 	help = nfct_help(ct);
 	if (help)
-		module_put(help->helper->me);
+		nf_conntrack_helper_put(help->helper);
 err3:
 	nf_ct_tmpl_free(ct);
 err2:
@@ -346,7 +346,7 @@ static void xt_ct_tg_destroy(const struct xt_tgdtor_param *par,
 	if (ct) {
 		help = nfct_help(ct);
 		if (help)
-			module_put(help->helper->me);
+			nf_conntrack_helper_put(help->helper);
 
 		nf_ct_netns_put(par->net, par->family);
 
diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c
index bf602e33c40a..08679ebb3068 100644
--- a/net/openvswitch/conntrack.c
+++ b/net/openvswitch/conntrack.c
@@ -1123,7 +1123,7 @@ static int ovs_ct_add_helper(struct ovs_conntrack_info *info, const char *name,
 
 	help = nf_ct_helper_ext_add(info->ct, helper, GFP_KERNEL);
 	if (!help) {
-		module_put(helper->me);
+		nf_conntrack_helper_put(helper);
 		return -ENOMEM;
 	}
 
@@ -1584,7 +1584,7 @@ void ovs_ct_free_action(const struct nlattr *a)
 static void __ovs_ct_free_action(struct ovs_conntrack_info *ct_info)
 {
 	if (ct_info->helper)
-		module_put(ct_info->helper->me);
+		nf_conntrack_helper_put(ct_info->helper);
 	if (ct_info->ct)
 		nf_ct_tmpl_free(ct_info->ct);
 }
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index f4001763134d..e3eeed19cc7a 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -2658,13 +2658,6 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)
 		dev = dev_get_by_index(sock_net(&po->sk), saddr->sll_ifindex);
 	}
 
-	sockc.tsflags = po->sk.sk_tsflags;
-	if (msg->msg_controllen) {
-		err = sock_cmsg_send(&po->sk, msg, &sockc);
-		if (unlikely(err))
-			goto out;
-	}
-
 	err = -ENXIO;
 	if (unlikely(dev == NULL))
 		goto out;
@@ -2672,6 +2665,13 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)
 	if (unlikely(!(dev->flags & IFF_UP)))
 		goto out_put;
 
+	sockc.tsflags = po->sk.sk_tsflags;
+	if (msg->msg_controllen) {
+		err = sock_cmsg_send(&po->sk, msg, &sockc);
+		if (unlikely(err))
+			goto out_put;
+	}
+
 	if (po->sk.sk_socket->type == SOCK_RAW)
 		reserve = dev->hard_header_len;
 	size_max = po->tx_ring.frame_size
diff --git a/net/sched/cls_matchall.c b/net/sched/cls_matchall.c
index dee469fed967..51859b8edd7e 100644
--- a/net/sched/cls_matchall.c
+++ b/net/sched/cls_matchall.c
@@ -203,7 +203,6 @@ static int mall_change(struct net *net, struct sk_buff *in_skb,
 
 	*arg = (unsigned long) head;
 	rcu_assign_pointer(tp->root, new);
-	call_rcu(&head->rcu, mall_destroy_rcu);
 	return 0;
 
 err_replace_hw_filter:
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index bbe57d57b67f..e88342fde1bc 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -1831,6 +1831,12 @@ static int tc_dump_tclass_root(struct Qdisc *root, struct sk_buff *skb,
 	if (!qdisc_dev(root))
 		return 0;
 
+	if (tcm->tcm_parent) {
+		q = qdisc_match_from_root(root, TC_H_MAJ(tcm->tcm_parent));
+		if (q && tc_dump_tclass_qdisc(q, skb, tcm, cb, t_p, s_t) < 0)
+			return -1;
+		return 0;
+	}
 	hash_for_each(qdisc_dev(root)->qdisc_hash, b, q, hash) {
 		if (tc_dump_tclass_qdisc(q, skb, tcm, cb, t_p, s_t) < 0)
 			return -1;
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index a9708da28eb5..95238284c422 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -1176,7 +1176,9 @@ void sctp_assoc_update(struct sctp_association *asoc,
 
 		asoc->ctsn_ack_point = asoc->next_tsn - 1;
 		asoc->adv_peer_ack_point = asoc->ctsn_ack_point;
-		if (!asoc->stream) {
+
+		if (sctp_state(asoc, COOKIE_WAIT)) {
+			sctp_stream_free(asoc->stream);
 			asoc->stream = new->stream;
 			new->stream = NULL;
 		}
diff --git a/net/sctp/input.c b/net/sctp/input.c
index 0e06a278d2a9..ba9ad32fc447 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -473,15 +473,14 @@ struct sock *sctp_err_lookup(struct net *net, int family, struct sk_buff *skb,
 			     struct sctp_association **app,
 			     struct sctp_transport **tpp)
 {
+	struct sctp_init_chunk *chunkhdr, _chunkhdr;
 	union sctp_addr saddr;
 	union sctp_addr daddr;
 	struct sctp_af *af;
 	struct sock *sk = NULL;
 	struct sctp_association *asoc;
 	struct sctp_transport *transport = NULL;
-	struct sctp_init_chunk *chunkhdr;
 	__u32 vtag = ntohl(sctphdr->vtag);
-	int len = skb->len - ((void *)sctphdr - (void *)skb->data);
 
 	*app = NULL; *tpp = NULL;
 
@@ -516,13 +515,16 @@ struct sock *sctp_err_lookup(struct net *net, int family, struct sk_buff *skb,
 	 * discard the packet.
 	 */
 	if (vtag == 0) {
-		chunkhdr = (void *)sctphdr + sizeof(struct sctphdr);
-		if (len < sizeof(struct sctphdr) + sizeof(sctp_chunkhdr_t)
-			  + sizeof(__be32) ||
+		/* chunk header + first 4 octects of init header */
+		chunkhdr = skb_header_pointer(skb, skb_transport_offset(skb) +
+					      sizeof(struct sctphdr),
+					      sizeof(struct sctp_chunkhdr) +
+					      sizeof(__be32), &_chunkhdr);
+		if (!chunkhdr ||
 		    chunkhdr->chunk_hdr.type != SCTP_CID_INIT ||
-		    ntohl(chunkhdr->init_hdr.init_tag) != asoc->c.my_vtag) {
+		    ntohl(chunkhdr->init_hdr.init_tag) != asoc->c.my_vtag)
 			goto out;
-		}
+
 	} else if (vtag != asoc->c.peer_vtag) {
 		goto out;
 	}
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index 961ee59f696a..f5b45b8b8b16 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -240,12 +240,10 @@ static void sctp_v6_get_dst(struct sctp_transport *t, union sctp_addr *saddr,
 	struct sctp_bind_addr *bp;
 	struct ipv6_pinfo *np = inet6_sk(sk);
 	struct sctp_sockaddr_entry *laddr;
-	union sctp_addr *baddr = NULL;
 	union sctp_addr *daddr = &t->ipaddr;
 	union sctp_addr dst_saddr;
 	struct in6_addr *final_p, final;
 	__u8 matchlen = 0;
-	__u8 bmatchlen;
 	sctp_scope_t scope;
 
 	memset(fl6, 0, sizeof(struct flowi6));
@@ -312,23 +310,37 @@ static void sctp_v6_get_dst(struct sctp_transport *t, union sctp_addr *saddr,
 	 */
 	rcu_read_lock();
 	list_for_each_entry_rcu(laddr, &bp->address_list, list) {
-		if (!laddr->valid)
+		struct dst_entry *bdst;
+		__u8 bmatchlen;
+
+		if (!laddr->valid ||
+		    laddr->state != SCTP_ADDR_SRC ||
+		    laddr->a.sa.sa_family != AF_INET6 ||
+		    scope > sctp_scope(&laddr->a))
 			continue;
-		if ((laddr->state == SCTP_ADDR_SRC) &&
-		    (laddr->a.sa.sa_family == AF_INET6) &&
-		    (scope <= sctp_scope(&laddr->a))) {
-			bmatchlen = sctp_v6_addr_match_len(daddr, &laddr->a);
-			if (!baddr || (matchlen < bmatchlen)) {
-				baddr = &laddr->a;
-				matchlen = bmatchlen;
-			}
-		}
-	}
-	if (baddr) {
-		fl6->saddr = baddr->v6.sin6_addr;
-		fl6->fl6_sport = baddr->v6.sin6_port;
+
+		fl6->saddr = laddr->a.v6.sin6_addr;
+		fl6->fl6_sport = laddr->a.v6.sin6_port;
 		final_p = fl6_update_dst(fl6, rcu_dereference(np->opt), &final);
-		dst = ip6_dst_lookup_flow(sk, fl6, final_p);
+		bdst = ip6_dst_lookup_flow(sk, fl6, final_p);
+
+		if (!IS_ERR(bdst) &&
+		    ipv6_chk_addr(dev_net(bdst->dev),
+				  &laddr->a.v6.sin6_addr, bdst->dev, 1)) {
+			if (!IS_ERR_OR_NULL(dst))
+				dst_release(dst);
+			dst = bdst;
+			break;
+		}
+
+		bmatchlen = sctp_v6_addr_match_len(daddr, &laddr->a);
+		if (matchlen > bmatchlen)
+			continue;
+
+		if (!IS_ERR_OR_NULL(dst))
+			dst_release(dst);
+		dst = bdst;
+		matchlen = bmatchlen;
 	}
 	rcu_read_unlock();
 
@@ -665,6 +677,9 @@ static struct sock *sctp_v6_create_accept_sk(struct sock *sk,
 	newnp = inet6_sk(newsk);
 
 	memcpy(newnp, np, sizeof(struct ipv6_pinfo));
+	newnp->ipv6_mc_list = NULL;
+	newnp->ipv6_ac_list = NULL;
+	newnp->ipv6_fl_list = NULL;
 
 	rcu_read_lock();
 	opt = rcu_dereference(np->opt);
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 8a08f13469c4..92e332e17391 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -2454,16 +2454,11 @@ int sctp_process_init(struct sctp_association *asoc, struct sctp_chunk *chunk,
 	 * stream sequence number shall be set to 0.
 	 */
 
-	/* Allocate storage for the negotiated streams if it is not a temporary
-	 * association.
-	 */
-	if (!asoc->temp) {
-		if (sctp_stream_init(asoc, gfp))
-			goto clean_up;
+	if (sctp_stream_init(asoc, gfp))
+		goto clean_up;
 
-		if (sctp_assoc_set_id(asoc, gfp))
-			goto clean_up;
-	}
+	if (!asoc->temp && sctp_assoc_set_id(asoc, gfp))
+		goto clean_up;
 
 	/* ADDIP Section 4.1 ASCONF Chunk Procedures
 	 *
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 4f5e6cfc7f60..f863b5573e42 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -2088,6 +2088,9 @@ sctp_disposition_t sctp_sf_do_5_2_4_dupcook(struct net *net,
 		}
 	}
 
+	/* Set temp so that it won't be added into hashtable */
+	new_asoc->temp = 1;
+
 	/* Compare the tie_tag in cookie with the verification tag of
 	 * current association.
 	 */
diff --git a/net/smc/Kconfig b/net/smc/Kconfig
index c717ef0896aa..33954852f3f8 100644
--- a/net/smc/Kconfig
+++ b/net/smc/Kconfig
@@ -8,6 +8,10 @@ config SMC
 	  The Linux implementation of the SMC-R solution is designed as
 	  a separate socket family SMC.
 
+	  Warning: SMC will expose all memory for remote reads and writes
+	  once a connection is established.  Don't enable this option except
+	  for tightly controlled lab environment.
+
 	  Select this option if you want to run SMC socket applications
 
 config SMC_DIAG
diff --git a/net/smc/smc_clc.c b/net/smc/smc_clc.c
index e41f594a1e1d..03ec058d18df 100644
--- a/net/smc/smc_clc.c
+++ b/net/smc/smc_clc.c
@@ -204,7 +204,7 @@ int smc_clc_send_confirm(struct smc_sock *smc)
 	memcpy(&cclc.lcl.mac, &link->smcibdev->mac[link->ibport - 1], ETH_ALEN);
 	hton24(cclc.qpn, link->roce_qp->qp_num);
 	cclc.rmb_rkey =
-		htonl(conn->rmb_desc->mr_rx[SMC_SINGLE_LINK]->rkey);
+		htonl(conn->rmb_desc->rkey[SMC_SINGLE_LINK]);
 	cclc.conn_idx = 1; /* for now: 1 RMB = 1 RMBE */
 	cclc.rmbe_alert_token = htonl(conn->alert_token_local);
 	cclc.qp_mtu = min(link->path_mtu, link->peer_mtu);
@@ -256,7 +256,7 @@ int smc_clc_send_accept(struct smc_sock *new_smc, int srv_first_contact)
 	memcpy(&aclc.lcl.mac, link->smcibdev->mac[link->ibport - 1], ETH_ALEN);
 	hton24(aclc.qpn, link->roce_qp->qp_num);
 	aclc.rmb_rkey =
-		htonl(conn->rmb_desc->mr_rx[SMC_SINGLE_LINK]->rkey);
+		htonl(conn->rmb_desc->rkey[SMC_SINGLE_LINK]);
 	aclc.conn_idx = 1;			/* as long as 1 RMB = 1 RMBE */
 	aclc.rmbe_alert_token = htonl(conn->alert_token_local);
 	aclc.qp_mtu = link->path_mtu;
diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c
index 65020e93ff21..3ac09a629ea1 100644
--- a/net/smc/smc_core.c
+++ b/net/smc/smc_core.c
@@ -613,19 +613,8 @@ int smc_rmb_create(struct smc_sock *smc)
 			rmb_desc = NULL;
 			continue; /* if mapping failed, try smaller one */
 		}
-		rc = smc_ib_get_memory_region(lgr->lnk[SMC_SINGLE_LINK].roce_pd,
-					      IB_ACCESS_REMOTE_WRITE |
-					      IB_ACCESS_LOCAL_WRITE,
-					     &rmb_desc->mr_rx[SMC_SINGLE_LINK]);
-		if (rc) {
-			smc_ib_buf_unmap(lgr->lnk[SMC_SINGLE_LINK].smcibdev,
-					 tmp_bufsize, rmb_desc,
-					 DMA_FROM_DEVICE);
-			kfree(rmb_desc->cpu_addr);
-			kfree(rmb_desc);
-			rmb_desc = NULL;
-			continue;
-		}
+		rmb_desc->rkey[SMC_SINGLE_LINK] =
+			lgr->lnk[SMC_SINGLE_LINK].roce_pd->unsafe_global_rkey;
 		rmb_desc->used = 1;
 		write_lock_bh(&lgr->rmbs_lock);
 		list_add(&rmb_desc->list,
@@ -668,6 +657,7 @@ int smc_rmb_rtoken_handling(struct smc_connection *conn,
 
 	for (i = 0; i < SMC_RMBS_PER_LGR_MAX; i++) {
 		if ((lgr->rtokens[i][SMC_SINGLE_LINK].rkey == rkey) &&
+		    (lgr->rtokens[i][SMC_SINGLE_LINK].dma_addr == dma_addr) &&
 		    test_bit(i, lgr->rtokens_used_mask)) {
 			conn->rtoken_idx = i;
 			return 0;
diff --git a/net/smc/smc_core.h b/net/smc/smc_core.h
index 27eb38056a27..b013cb43a327 100644
--- a/net/smc/smc_core.h
+++ b/net/smc/smc_core.h
@@ -93,7 +93,7 @@ struct smc_buf_desc {
 	u64			dma_addr[SMC_LINKS_PER_LGR_MAX];
 						/* mapped address of buffer */
 	void			*cpu_addr;	/* virtual address of buffer */
-	struct ib_mr		*mr_rx[SMC_LINKS_PER_LGR_MAX];
+	u32			rkey[SMC_LINKS_PER_LGR_MAX];
 						/* for rmb only:
 						 * rkey provided to peer
 						 */
diff --git a/net/smc/smc_ib.c b/net/smc/smc_ib.c
index cb69ab977cd7..b31715505a35 100644
--- a/net/smc/smc_ib.c
+++ b/net/smc/smc_ib.c
@@ -37,24 +37,6 @@ u8 local_systemid[SMC_SYSTEMID_LEN] = SMC_LOCAL_SYSTEMID_RESET;	/* unique system
 								 * identifier
 								 */
 
-int smc_ib_get_memory_region(struct ib_pd *pd, int access_flags,
-			     struct ib_mr **mr)
-{
-	int rc;
-
-	if (*mr)
-		return 0; /* already done */
-
-	/* obtain unique key -
-	 * next invocation of get_dma_mr returns a different key!
-	 */
-	*mr = pd->device->get_dma_mr(pd, access_flags);
-	rc = PTR_ERR_OR_ZERO(*mr);
-	if (IS_ERR(*mr))
-		*mr = NULL;
-	return rc;
-}
-
 static int smc_ib_modify_qp_init(struct smc_link *lnk)
 {
 	struct ib_qp_attr qp_attr;
@@ -210,7 +192,8 @@ int smc_ib_create_protection_domain(struct smc_link *lnk)
 {
 	int rc;
 
-	lnk->roce_pd = ib_alloc_pd(lnk->smcibdev->ibdev, 0);
+	lnk->roce_pd = ib_alloc_pd(lnk->smcibdev->ibdev,
+				   IB_PD_UNSAFE_GLOBAL_RKEY);
 	rc = PTR_ERR_OR_ZERO(lnk->roce_pd);
 	if (IS_ERR(lnk->roce_pd))
 		lnk->roce_pd = NULL;
diff --git a/net/smc/smc_ib.h b/net/smc/smc_ib.h
index 7e1f0e24d177..b567152a526d 100644
--- a/net/smc/smc_ib.h
+++ b/net/smc/smc_ib.h
@@ -61,8 +61,6 @@ void smc_ib_dealloc_protection_domain(struct smc_link *lnk);
 int smc_ib_create_protection_domain(struct smc_link *lnk);
 void smc_ib_destroy_queue_pair(struct smc_link *lnk);
 int smc_ib_create_queue_pair(struct smc_link *lnk);
-int smc_ib_get_memory_region(struct ib_pd *pd, int access_flags,
-			     struct ib_mr **mr);
 int smc_ib_ready_link(struct smc_link *lnk);
 int smc_ib_modify_qp_rts(struct smc_link *lnk);
 int smc_ib_modify_qp_reset(struct smc_link *lnk);
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 0d4f2f455a7c..1b92b72e812f 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -362,25 +362,25 @@ static int tipc_sk_sock_err(struct socket *sock, long *timeout)
 	return 0;
 }
 
-#define tipc_wait_for_cond(sock_, timeout_, condition_)			\
-({								        \
-	int rc_ = 0;							\
-	int done_ = 0;							\
-									\
-	while (!(condition_) && !done_) {				\
-		struct sock *sk_ = sock->sk;				\
-		DEFINE_WAIT_FUNC(wait_, woken_wake_function);		\
-									\
-		rc_ = tipc_sk_sock_err(sock_, timeout_);		\
-		if (rc_)						\
-			break;						\
-		prepare_to_wait(sk_sleep(sk_), &wait_,			\
-				TASK_INTERRUPTIBLE);			\
-		done_ = sk_wait_event(sk_, timeout_,			\
-				      (condition_), &wait_);		\
-		remove_wait_queue(sk_sleep(sk_), &wait_);		\
-	}								\
-	rc_;								\
+#define tipc_wait_for_cond(sock_, timeo_, condition_)			       \
+({                                                                             \
+	struct sock *sk_;						       \
+	int rc_;							       \
+									       \
+	while ((rc_ = !(condition_))) {					       \
+		DEFINE_WAIT_FUNC(wait_, woken_wake_function);	               \
+		sk_ = (sock_)->sk;					       \
+		rc_ = tipc_sk_sock_err((sock_), timeo_);		       \
+		if (rc_)						       \
+			break;						       \
+		prepare_to_wait(sk_sleep(sk_), &wait_, TASK_INTERRUPTIBLE);    \
+		release_sock(sk_);					       \
+		*(timeo_) = wait_woken(&wait_, TASK_INTERRUPTIBLE, *(timeo_)); \
+		sched_annotate_sleep();				               \
+		lock_sock(sk_);						       \
+		remove_wait_queue(sk_sleep(sk_), &wait_);		       \
+	}								       \
+	rc_;								       \
 })
 
 /**
diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index 6f7f6757ceef..dfc8c51e4d74 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -1540,8 +1540,7 @@ static int vsock_stream_sendmsg(struct socket *sock, struct msghdr *msg,
 	long timeout;
 	int err;
 	struct vsock_transport_send_notify_data send_data;
-
-	DEFINE_WAIT(wait);
+	DEFINE_WAIT_FUNC(wait, woken_wake_function);
 
 	sk = sock->sk;
 	vsk = vsock_sk(sk);
@@ -1584,11 +1583,10 @@ static int vsock_stream_sendmsg(struct socket *sock, struct msghdr *msg,
 	if (err < 0)
 		goto out;
 
-
 	while (total_written < len) {
 		ssize_t written;
 
-		prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE);
+		add_wait_queue(sk_sleep(sk), &wait);
 		while (vsock_stream_has_space(vsk) == 0 &&
 		       sk->sk_err == 0 &&
 		       !(sk->sk_shutdown & SEND_SHUTDOWN) &&
@@ -1597,33 +1595,30 @@ static int vsock_stream_sendmsg(struct socket *sock, struct msghdr *msg,
 			/* Don't wait for non-blocking sockets. */
 			if (timeout == 0) {
 				err = -EAGAIN;
-				finish_wait(sk_sleep(sk), &wait);
+				remove_wait_queue(sk_sleep(sk), &wait);
 				goto out_err;
 			}
 
 			err = transport->notify_send_pre_block(vsk, &send_data);
 			if (err < 0) {
-				finish_wait(sk_sleep(sk), &wait);
+				remove_wait_queue(sk_sleep(sk), &wait);
 				goto out_err;
 			}
 
 			release_sock(sk);
-			timeout = schedule_timeout(timeout);
+			timeout = wait_woken(&wait, TASK_INTERRUPTIBLE, timeout);
 			lock_sock(sk);
 			if (signal_pending(current)) {
 				err = sock_intr_errno(timeout);
-				finish_wait(sk_sleep(sk), &wait);
+				remove_wait_queue(sk_sleep(sk), &wait);
 				goto out_err;
 			} else if (timeout == 0) {
 				err = -EAGAIN;
-				finish_wait(sk_sleep(sk), &wait);
+				remove_wait_queue(sk_sleep(sk), &wait);
 				goto out_err;
 			}
-
-			prepare_to_wait(sk_sleep(sk), &wait,
-					TASK_INTERRUPTIBLE);
 		}
-		finish_wait(sk_sleep(sk), &wait);
+		remove_wait_queue(sk_sleep(sk), &wait);
 
 		/* These checks occur both as part of and after the loop
 		 * conditional since we need to check before and after
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 14d5f0c8c45f..9f0901f3e42b 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -322,9 +322,9 @@ cfg80211_find_sched_scan_req(struct cfg80211_registered_device *rdev, u64 reqid)
 {
 	struct cfg80211_sched_scan_request *pos;
 
-	ASSERT_RTNL();
+	WARN_ON_ONCE(!rcu_read_lock_held() && !lockdep_rtnl_is_held());
 
-	list_for_each_entry(pos, &rdev->sched_scan_req_list, list) {
+	list_for_each_entry_rcu(pos, &rdev->sched_scan_req_list, list) {
 		if (pos->reqid == reqid)
 			return pos;
 	}
@@ -398,13 +398,13 @@ void cfg80211_sched_scan_results(struct wiphy *wiphy, u64 reqid)
 	trace_cfg80211_sched_scan_results(wiphy, reqid);
 	/* ignore if we're not scanning */
 
-	rtnl_lock();
+	rcu_read_lock();
 	request = cfg80211_find_sched_scan_req(rdev, reqid);
 	if (request) {
 		request->report_results = true;
 		queue_work(cfg80211_wq, &rdev->sched_scan_res_wk);
 	}
-	rtnl_unlock();
+	rcu_read_unlock();
 }
 EXPORT_SYMBOL(cfg80211_sched_scan_results);
 
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 7198373e2920..4992f1025c9d 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -454,6 +454,8 @@ int ieee80211_data_to_8023_exthdr(struct sk_buff *skb, struct ethhdr *ehdr,
 	if (iftype == NL80211_IFTYPE_MESH_POINT)
 		skb_copy_bits(skb, hdrlen, &mesh_flags, 1);
 
+	mesh_flags &= MESH_FLAGS_AE;
+
 	switch (hdr->frame_control &
 		cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) {
 	case cpu_to_le16(IEEE80211_FCTL_TODS):
@@ -469,9 +471,9 @@ int ieee80211_data_to_8023_exthdr(struct sk_buff *skb, struct ethhdr *ehdr,
 			     iftype != NL80211_IFTYPE_STATION))
 			return -1;
 		if (iftype == NL80211_IFTYPE_MESH_POINT) {
-			if (mesh_flags & MESH_FLAGS_AE_A4)
+			if (mesh_flags == MESH_FLAGS_AE_A4)
 				return -1;
-			if (mesh_flags & MESH_FLAGS_AE_A5_A6) {
+			if (mesh_flags == MESH_FLAGS_AE_A5_A6) {
 				skb_copy_bits(skb, hdrlen +
 					offsetof(struct ieee80211s_hdr, eaddr1),
 					tmp.h_dest, 2 * ETH_ALEN);
@@ -487,9 +489,9 @@ int ieee80211_data_to_8023_exthdr(struct sk_buff *skb, struct ethhdr *ehdr,
 		     ether_addr_equal(tmp.h_source, addr)))
 			return -1;
 		if (iftype == NL80211_IFTYPE_MESH_POINT) {
-			if (mesh_flags & MESH_FLAGS_AE_A5_A6)
+			if (mesh_flags == MESH_FLAGS_AE_A5_A6)
 				return -1;
-			if (mesh_flags & MESH_FLAGS_AE_A4)
+			if (mesh_flags == MESH_FLAGS_AE_A4)
 				skb_copy_bits(skb, hdrlen +
 					offsetof(struct ieee80211s_hdr, eaddr1),
 					tmp.h_source, ETH_ALEN);
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index 8b911c29860e..5a1a98df3499 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -1791,32 +1791,40 @@ void x25_kill_by_neigh(struct x25_neigh *nb)
 
 static int __init x25_init(void)
 {
-	int rc = proto_register(&x25_proto, 0);
+	int rc;
 
-	if (rc != 0)
+	rc = proto_register(&x25_proto, 0);
+	if (rc)
 		goto out;
 
 	rc = sock_register(&x25_family_ops);
-	if (rc != 0)
+	if (rc)
 		goto out_proto;
 
 	dev_add_pack(&x25_packet_type);
 
 	rc = register_netdevice_notifier(&x25_dev_notifier);
-	if (rc != 0)
+	if (rc)
 		goto out_sock;
 
-	pr_info("Linux Version 0.2\n");
+	rc = x25_register_sysctl();
+	if (rc)
+		goto out_dev;
 
-	x25_register_sysctl();
 	rc = x25_proc_init();
-	if (rc != 0)
-		goto out_dev;
+	if (rc)
+		goto out_sysctl;
+
+	pr_info("Linux Version 0.2\n");
+
 out:
 	return rc;
+out_sysctl:
+	x25_unregister_sysctl();
 out_dev:
 	unregister_netdevice_notifier(&x25_dev_notifier);
 out_sock:
+	dev_remove_pack(&x25_packet_type);
 	sock_unregister(AF_X25);
 out_proto:
 	proto_unregister(&x25_proto);
diff --git a/net/x25/sysctl_net_x25.c b/net/x25/sysctl_net_x25.c
index a06dfe143c67..ba078c85f0a1 100644
--- a/net/x25/sysctl_net_x25.c
+++ b/net/x25/sysctl_net_x25.c
@@ -73,9 +73,12 @@ static struct ctl_table x25_table[] = {
 	{ },
 };
 
-void __init x25_register_sysctl(void)
+int __init x25_register_sysctl(void)
 {
 	x25_table_header = register_net_sysctl(&init_net, "net/x25", x25_table);
+	if (!x25_table_header)
+		return -ENOMEM;
+	return 0;
 }
 
 void x25_unregister_sysctl(void)
diff --git a/net/xfrm/xfrm_device.c b/net/xfrm/xfrm_device.c
index 8ec8a3fcf8d4..574e6f32f94f 100644
--- a/net/xfrm/xfrm_device.c
+++ b/net/xfrm/xfrm_device.c
@@ -170,7 +170,7 @@ static int xfrm_dev_feat_change(struct net_device *dev)
 
 static int xfrm_dev_down(struct net_device *dev)
 {
-	if (dev->hw_features & NETIF_F_HW_ESP)
+	if (dev->features & NETIF_F_HW_ESP)
 		xfrm_dev_state_flush(dev_net(dev), dev, true);
 
 	xfrm_garbage_collect(dev_net(dev));
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index b00a1d5a7f52..ed4e52d95172 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1797,43 +1797,6 @@ free_dst:
 	goto out;
 }
 
-#ifdef CONFIG_XFRM_SUB_POLICY
-static int xfrm_dst_alloc_copy(void **target, const void *src, int size)
-{
-	if (!*target) {
-		*target = kmalloc(size, GFP_ATOMIC);
-		if (!*target)
-			return -ENOMEM;
-	}
-
-	memcpy(*target, src, size);
-	return 0;
-}
-#endif
-
-static int xfrm_dst_update_parent(struct dst_entry *dst,
-				  const struct xfrm_selector *sel)
-{
-#ifdef CONFIG_XFRM_SUB_POLICY
-	struct xfrm_dst *xdst = (struct xfrm_dst *)dst;
-	return xfrm_dst_alloc_copy((void **)&(xdst->partner),
-				   sel, sizeof(*sel));
-#else
-	return 0;
-#endif
-}
-
-static int xfrm_dst_update_origin(struct dst_entry *dst,
-				  const struct flowi *fl)
-{
-#ifdef CONFIG_XFRM_SUB_POLICY
-	struct xfrm_dst *xdst = (struct xfrm_dst *)dst;
-	return xfrm_dst_alloc_copy((void **)&(xdst->origin), fl, sizeof(*fl));
-#else
-	return 0;
-#endif
-}
-
 static int xfrm_expand_policies(const struct flowi *fl, u16 family,
 				struct xfrm_policy **pols,
 				int *num_pols, int *num_xfrms)
@@ -1905,16 +1868,6 @@ xfrm_resolve_and_create_bundle(struct xfrm_policy **pols, int num_pols,
 
 	xdst = (struct xfrm_dst *)dst;
 	xdst->num_xfrms = err;
-	if (num_pols > 1)
-		err = xfrm_dst_update_parent(dst, &pols[1]->selector);
-	else
-		err = xfrm_dst_update_origin(dst, fl);
-	if (unlikely(err)) {
-		dst_free(dst);
-		XFRM_INC_STATS(net, LINUX_MIB_XFRMOUTBUNDLECHECKERROR);
-		return ERR_PTR(err);
-	}
-
 	xdst->num_pols = num_pols;
 	memcpy(xdst->pols, pols, sizeof(struct xfrm_policy *) * num_pols);
 	xdst->policy_genid = atomic_read(&pols[0]->genid);
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index fc3c5aa38754..2e291bc5f1fc 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -1383,6 +1383,8 @@ static struct xfrm_state *xfrm_state_clone(struct xfrm_state *orig)
 	x->curlft.add_time = orig->curlft.add_time;
 	x->km.state = orig->km.state;
 	x->km.seq = orig->km.seq;
+	x->replay = orig->replay;
+	x->preplay = orig->preplay;
 
 	return x;