kernel-alx/patches-3.10/0157-3.10.58-all-fixes.patch

diff --git a/Makefile b/Makefile
index 9df630a513b7..c27454b8ca3e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 3
 PATCHLEVEL = 10
-SUBLEVEL = 57
+SUBLEVEL = 58
 EXTRAVERSION =
 NAME = TOSSUG Baby Fish
 
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index 4942ddf9c8ae..3de4069f020e 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -6767,7 +6767,8 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget)
 		skb->protocol = eth_type_trans(skb, tp->dev);
 
 		if (len > (tp->dev->mtu + ETH_HLEN) &&
-		    skb->protocol != htons(ETH_P_8021Q)) {
+		    skb->protocol != htons(ETH_P_8021Q) &&
+		    skb->protocol != htons(ETH_P_8021AD)) {
 			dev_kfree_skb(skb);
 			goto drop_it_no_recycle;
 		}
@@ -7759,8 +7760,6 @@ static netdev_tx_t tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
 	entry = tnapi->tx_prod;
 	base_flags = 0;
-	if (skb->ip_summed == CHECKSUM_PARTIAL)
-		base_flags |= TXD_FLAG_TCPUDP_CSUM;
 
 	mss = skb_shinfo(skb)->gso_size;
 	if (mss) {
@@ -7776,6 +7775,13 @@ static netdev_tx_t tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
 		hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb) - ETH_HLEN;
 
+		/* HW/FW can not correctly segment packets that have been
+		 * vlan encapsulated.
+		 */
+		if (skb->protocol == htons(ETH_P_8021Q) ||
+		    skb->protocol == htons(ETH_P_8021AD))
+			return tg3_tso_bug(tp, skb);
+
 		if (!skb_is_gso_v6(skb)) {
 			iph->check = 0;
 			iph->tot_len = htons(mss + hdr_len);
@@ -7822,6 +7828,17 @@ static netdev_tx_t tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
 				base_flags |= tsflags << 12;
 			}
 		}
+	} else if (skb->ip_summed == CHECKSUM_PARTIAL) {
+		/* HW/FW can not correctly checksum packets that have been
+		 * vlan encapsulated.
+		 */
+		if (skb->protocol == htons(ETH_P_8021Q) ||
+		    skb->protocol == htons(ETH_P_8021AD)) {
+			if (skb_checksum_help(skb))
+				goto drop;
+		} else  {
+			base_flags |= TXD_FLAG_TCPUDP_CSUM;
+		}
 	}
 
 	if (tg3_flag(tp, USE_JUMBO_BDFLAG) &&
diff --git a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
index 7be9788ed0f6..4fb93c5b5563 100644
--- a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
+++ b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
@@ -856,6 +856,10 @@ static int myri10ge_dma_test(struct myri10ge_priv *mgp, int test_type)
 		return -ENOMEM;
 	dmatest_bus = pci_map_page(mgp->pdev, dmatest_page, 0, PAGE_SIZE,
 				   DMA_BIDIRECTIONAL);
+	if (unlikely(pci_dma_mapping_error(mgp->pdev, dmatest_bus))) {
+		__free_page(dmatest_page);
+		return -ENOMEM;
+	}
 
 	/* Run a small DMA test.
 	 * The magic multipliers to the length tell the firmware
@@ -1191,6 +1195,7 @@ myri10ge_alloc_rx_pages(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx,
 			int bytes, int watchdog)
 {
 	struct page *page;
+	dma_addr_t bus;
 	int idx;
 #if MYRI10GE_ALLOC_SIZE > 4096
 	int end_offset;
@@ -1215,11 +1220,21 @@ myri10ge_alloc_rx_pages(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx,
 					rx->watchdog_needed = 1;
 				return;
 			}
+
+			bus = pci_map_page(mgp->pdev, page, 0,
+					   MYRI10GE_ALLOC_SIZE,
+					   PCI_DMA_FROMDEVICE);
+			if (unlikely(pci_dma_mapping_error(mgp->pdev, bus))) {
+				__free_pages(page, MYRI10GE_ALLOC_ORDER);
+				if (rx->fill_cnt - rx->cnt < 16)
+					rx->watchdog_needed = 1;
+				return;
+			}
+
 			rx->page = page;
 			rx->page_offset = 0;
-			rx->bus = pci_map_page(mgp->pdev, page, 0,
-					       MYRI10GE_ALLOC_SIZE,
-					       PCI_DMA_FROMDEVICE);
+			rx->bus = bus;
+
 		}
 		rx->info[idx].page = rx->page;
 		rx->info[idx].page_offset = rx->page_offset;
@@ -2576,6 +2591,35 @@ myri10ge_submit_req(struct myri10ge_tx_buf *tx, struct mcp_kreq_ether_send *src,
 	mb();
 }
 
+static void myri10ge_unmap_tx_dma(struct myri10ge_priv *mgp,
+				  struct myri10ge_tx_buf *tx, int idx)
+{
+	unsigned int len;
+	int last_idx;
+
+	/* Free any DMA resources we've alloced and clear out the skb slot */
+	last_idx = (idx + 1) & tx->mask;
+	idx = tx->req & tx->mask;
+	do {
+		len = dma_unmap_len(&tx->info[idx], len);
+		if (len) {
+			if (tx->info[idx].skb != NULL)
+				pci_unmap_single(mgp->pdev,
+						 dma_unmap_addr(&tx->info[idx],
+								bus), len,
+						 PCI_DMA_TODEVICE);
+			else
+				pci_unmap_page(mgp->pdev,
+					       dma_unmap_addr(&tx->info[idx],
+							      bus), len,
+					       PCI_DMA_TODEVICE);
+			dma_unmap_len_set(&tx->info[idx], len, 0);
+			tx->info[idx].skb = NULL;
+		}
+		idx = (idx + 1) & tx->mask;
+	} while (idx != last_idx);
+}
+
 /*
  * Transmit a packet.  We need to split the packet so that a single
  * segment does not cross myri10ge->tx_boundary, so this makes segment
@@ -2599,7 +2643,7 @@ static netdev_tx_t myri10ge_xmit(struct sk_buff *skb,
 	u32 low;
 	__be32 high_swapped;
 	unsigned int len;
-	int idx, last_idx, avail, frag_cnt, frag_idx, count, mss, max_segments;
+	int idx, avail, frag_cnt, frag_idx, count, mss, max_segments;
 	u16 pseudo_hdr_offset, cksum_offset, queue;
 	int cum_len, seglen, boundary, rdma_count;
 	u8 flags, odd_flag;
@@ -2696,9 +2740,12 @@ again:
 
 	/* map the skb for DMA */
 	len = skb_headlen(skb);
+	bus = pci_map_single(mgp->pdev, skb->data, len, PCI_DMA_TODEVICE);
+	if (unlikely(pci_dma_mapping_error(mgp->pdev, bus)))
+		goto drop;
+
 	idx = tx->req & tx->mask;
 	tx->info[idx].skb = skb;
-	bus = pci_map_single(mgp->pdev, skb->data, len, PCI_DMA_TODEVICE);
 	dma_unmap_addr_set(&tx->info[idx], bus, bus);
 	dma_unmap_len_set(&tx->info[idx], len, len);
 
@@ -2797,12 +2844,16 @@ again:
 			break;
 
 		/* map next fragment for DMA */
-		idx = (count + tx->req) & tx->mask;
 		frag = &skb_shinfo(skb)->frags[frag_idx];
 		frag_idx++;
 		len = skb_frag_size(frag);
 		bus = skb_frag_dma_map(&mgp->pdev->dev, frag, 0, len,
 				       DMA_TO_DEVICE);
+		if (unlikely(pci_dma_mapping_error(mgp->pdev, bus))) {
+			myri10ge_unmap_tx_dma(mgp, tx, idx);
+			goto drop;
+		}
+		idx = (count + tx->req) & tx->mask;
 		dma_unmap_addr_set(&tx->info[idx], bus, bus);
 		dma_unmap_len_set(&tx->info[idx], len, len);
 	}
@@ -2833,31 +2884,8 @@ again:
 	return NETDEV_TX_OK;
 
 abort_linearize:
-	/* Free any DMA resources we've alloced and clear out the skb
-	 * slot so as to not trip up assertions, and to avoid a
-	 * double-free if linearizing fails */
+	myri10ge_unmap_tx_dma(mgp, tx, idx);
 
-	last_idx = (idx + 1) & tx->mask;
-	idx = tx->req & tx->mask;
-	tx->info[idx].skb = NULL;
-	do {
-		len = dma_unmap_len(&tx->info[idx], len);
-		if (len) {
-			if (tx->info[idx].skb != NULL)
-				pci_unmap_single(mgp->pdev,
-						 dma_unmap_addr(&tx->info[idx],
-								bus), len,
-						 PCI_DMA_TODEVICE);
-			else
-				pci_unmap_page(mgp->pdev,
-					       dma_unmap_addr(&tx->info[idx],
-							      bus), len,
-					       PCI_DMA_TODEVICE);
-			dma_unmap_len_set(&tx->info[idx], len, 0);
-			tx->info[idx].skb = NULL;
-		}
-		idx = (idx + 1) & tx->mask;
-	} while (idx != last_idx);
 	if (skb_is_gso(skb)) {
 		netdev_err(mgp->dev, "TSO but wanted to linearize?!?!?\n");
 		goto drop;
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index aea78fc2e48f..59e9c56e5b8a 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -138,6 +138,7 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net)
 	struct hv_netvsc_packet *packet;
 	int ret;
 	unsigned int i, num_pages, npg_data;
+	u32 skb_length = skb->len;
 
 	/* Add multipages for skb->data and additional 2 for RNDIS */
 	npg_data = (((unsigned long)skb->data + skb_headlen(skb) - 1)
@@ -208,7 +209,7 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net)
 	ret = rndis_filter_send(net_device_ctx->device_ctx,
 				  packet);
 	if (ret == 0) {
-		net->stats.tx_bytes += skb->len;
+		net->stats.tx_bytes += skb_length;
 		net->stats.tx_packets++;
 	} else {
 		kfree(packet);
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index b5d42fee8a84..c9f56ffdba9a 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -1951,8 +1951,10 @@ void usb_set_device_state(struct usb_device *udev,
 					|| new_state == USB_STATE_SUSPENDED)
 				;	/* No change to wakeup settings */
 			else if (new_state == USB_STATE_CONFIGURED)
-				wakeup = udev->actconfig->desc.bmAttributes
-					 & USB_CONFIG_ATT_WAKEUP;
+				wakeup = (udev->quirks &
+					USB_QUIRK_IGNORE_REMOTE_WAKEUP) ? 0 :
+					udev->actconfig->desc.bmAttributes &
+					USB_CONFIG_ATT_WAKEUP;
 			else
 				wakeup = 0;
 		}
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 1053eb651b2f..a301b3fa622b 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -162,6 +162,10 @@ static const struct usb_device_id usb_interface_quirk_list[] = {
 	{ USB_VENDOR_AND_INTERFACE_INFO(0x046d, USB_CLASS_VIDEO, 1, 0),
 	  .driver_info = USB_QUIRK_RESET_RESUME },
 
+	/* ASUS Base Station(T100) */
+	{ USB_DEVICE(0x0b05, 0x17e0), .driver_info =
+			USB_QUIRK_IGNORE_REMOTE_WAKEUP },
+
 	{ }  /* terminating entry must be last */
 };
 
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index b14379659e35..b22a4bc308e2 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -122,6 +122,7 @@ static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(0x10C4, 0x8665) }, /* AC-Services OBD-IF */
 	{ USB_DEVICE(0x10C4, 0x88A4) }, /* MMB Networks ZigBee USB Device */
 	{ USB_DEVICE(0x10C4, 0x88A5) }, /* Planet Innovation Ingeni ZigBee USB Device */
+	{ USB_DEVICE(0x10C4, 0x8946) }, /* Ketra N1 Wireless Interface */
 	{ USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */
 	{ USB_DEVICE(0x10C4, 0xEA61) }, /* Silicon Labs factory default */
 	{ USB_DEVICE(0x10C4, 0xEA70) }, /* Silicon Labs factory default */
@@ -155,6 +156,7 @@ static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(0x1ADB, 0x0001) }, /* Schweitzer Engineering C662 Cable */
 	{ USB_DEVICE(0x1B1C, 0x1C00) }, /* Corsair USB Dongle */
 	{ USB_DEVICE(0x1BE3, 0x07A6) }, /* WAGO 750-923 USB Service Cable */
+	{ USB_DEVICE(0x1D6F, 0x0010) }, /* Seluxit ApS RF Dongle */
 	{ USB_DEVICE(0x1E29, 0x0102) }, /* Festo CPX-USB */
 	{ USB_DEVICE(0x1E29, 0x0501) }, /* Festo CMSP */
 	{ USB_DEVICE(0x1FB9, 0x0100) }, /* Lake Shore Model 121 Current Source */
diff --git a/include/linux/usb/quirks.h b/include/linux/usb/quirks.h
index 52f944dfe2fd..49587dc22f5d 100644
--- a/include/linux/usb/quirks.h
+++ b/include/linux/usb/quirks.h
@@ -30,4 +30,7 @@
    descriptor */
 #define USB_QUIRK_DELAY_INIT		0x00000040
 
+/* device generates spurious wakeup, ignore remote wakeup capability */
+#define USB_QUIRK_IGNORE_REMOTE_WAKEUP	0x00000200
+
 #endif /* __LINUX_USB_QUIRKS_H */
diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h
index de2c78529afa..0a8f6f961baa 100644
--- a/include/net/inet_connection_sock.h
+++ b/include/net/inet_connection_sock.h
@@ -62,6 +62,7 @@ struct inet_connection_sock_af_ops {
 	void	    (*addr2sockaddr)(struct sock *sk, struct sockaddr *);
 	int	    (*bind_conflict)(const struct sock *sk,
 				     const struct inet_bind_bucket *tb, bool relax);
+	void	    (*mtu_reduced)(struct sock *sk);
 };
 
 /** inet_connection_sock - INET connection oriented sock
diff --git a/include/net/sctp/command.h b/include/net/sctp/command.h
index 35247271e557..5f39c1cc0766 100644
--- a/include/net/sctp/command.h
+++ b/include/net/sctp/command.h
@@ -118,7 +118,7 @@ typedef enum {
  * analysis of the state functions, but in reality just taken from
  * thin air in the hopes othat we don't trigger a kernel panic.
  */
-#define SCTP_MAX_NUM_COMMANDS 14
+#define SCTP_MAX_NUM_COMMANDS 20
 
 typedef union {
 	__s32 i32;
diff --git a/include/net/sock.h b/include/net/sock.h
index 26b15c0780be..c0aad07160ef 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -932,7 +932,6 @@ struct proto {
 						struct sk_buff *skb);
 
 	void		(*release_cb)(struct sock *sk);
-	void		(*mtu_reduced)(struct sock *sk);
 
 	/* Keeping track of sk's, looking them up, and port selection methods. */
 	void			(*hash)(struct sock *sk);
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 6f87f0873843..29a1a63cd303 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -460,6 +460,7 @@ extern const u8 *tcp_parse_md5sig_option(const struct tcphdr *th);
  */
 
 extern void tcp_v4_send_check(struct sock *sk, struct sk_buff *skb);
+void tcp_v4_mtu_reduced(struct sock *sk);
 extern int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb);
 extern struct sock * tcp_create_openreq_child(struct sock *sk,
 					      struct request_sock *req,
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 5d87806d3ade..e025c1c788a1 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -268,7 +268,7 @@ EXPORT_SYMBOL(tcp_v4_connect);
  * It can be called through tcp_release_cb() if socket was owned by user
  * at the time tcp_v4_err() was called to handle ICMP message.
  */
-static void tcp_v4_mtu_reduced(struct sock *sk)
+void tcp_v4_mtu_reduced(struct sock *sk)
 {
 	struct dst_entry *dst;
 	struct inet_sock *inet = inet_sk(sk);
@@ -298,6 +298,7 @@ static void tcp_v4_mtu_reduced(struct sock *sk)
 		tcp_simple_retransmit(sk);
 	} /* else let the usual retransmit timer handle it */
 }
+EXPORT_SYMBOL(tcp_v4_mtu_reduced);
 
 static void do_redirect(struct sk_buff *skb, struct sock *sk)
 {
@@ -2142,6 +2143,7 @@ const struct inet_connection_sock_af_ops ipv4_specific = {
 	.compat_setsockopt = compat_ip_setsockopt,
 	.compat_getsockopt = compat_ip_getsockopt,
 #endif
+	.mtu_reduced	   = tcp_v4_mtu_reduced,
 };
 EXPORT_SYMBOL(ipv4_specific);
 
@@ -2867,7 +2869,6 @@ struct proto tcp_prot = {
 	.sendpage		= tcp_sendpage,
 	.backlog_rcv		= tcp_v4_do_rcv,
 	.release_cb		= tcp_release_cb,
-	.mtu_reduced		= tcp_v4_mtu_reduced,
 	.hash			= inet_hash,
 	.unhash			= inet_unhash,
 	.get_port		= inet_csk_get_port,
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 56e29f0e230e..11ef25c9cf43 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -775,7 +775,7 @@ void tcp_release_cb(struct sock *sk)
 		__sock_put(sk);
 	}
 	if (flags & (1UL << TCP_MTU_REDUCED_DEFERRED)) {
-		sk->sk_prot->mtu_reduced(sk);
+		inet_csk(sk)->icsk_af_ops->mtu_reduced(sk);
 		__sock_put(sk);
 	}
 }
@@ -2036,9 +2036,7 @@ void tcp_send_loss_probe(struct sock *sk)
 	if (WARN_ON(!skb || !tcp_skb_pcount(skb)))
 		goto rearm_timer;
 
-	/* Probe with zero data doesn't trigger fast recovery. */
-	if (skb->len > 0)
-		err = __tcp_retransmit_skb(sk, skb);
+	err = __tcp_retransmit_skb(sk, skb);
 
 	/* Record snd_nxt for loss detection. */
 	if (likely(!err))
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 7bcdd0df68db..d0912acd9522 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -2691,8 +2691,18 @@ static void init_loopback(struct net_device *dev)
 			if (sp_ifa->flags & (IFA_F_DADFAILED | IFA_F_TENTATIVE))
 				continue;
 
-			if (sp_ifa->rt)
-				continue;
+			if (sp_ifa->rt) {
+				/* This dst has been added to garbage list when
+				 * lo device down, release this obsolete dst and
+				 * reallocate a new router for ifa.
+				 */
+				if (sp_ifa->rt->dst.obsolete > 0) {
+					ip6_rt_put(sp_ifa->rt);
+					sp_ifa->rt = NULL;
+				} else {
+					continue;
+				}
+			}
 
 			sp_rt = addrconf_dst_alloc(idev, &sp_ifa->addr, 0);
 
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index 7dca7c43fdf1..250a73e77f57 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -787,7 +787,7 @@ static inline int ip6gre_xmit_ipv4(struct sk_buff *skb, struct net_device *dev)
 		encap_limit = t->parms.encap_limit;
 
 	memcpy(&fl6, &t->fl.u.ip6, sizeof(fl6));
-	fl6.flowi6_proto = IPPROTO_IPIP;
+	fl6.flowi6_proto = IPPROTO_GRE;
 
 	dsfield = ipv4_get_dsfield(iph);
 
@@ -837,7 +837,7 @@ static inline int ip6gre_xmit_ipv6(struct sk_buff *skb, struct net_device *dev)
 		encap_limit = t->parms.encap_limit;
 
 	memcpy(&fl6, &t->fl.u.ip6, sizeof(fl6));
-	fl6.flowi6_proto = IPPROTO_IPV6;
+	fl6.flowi6_proto = IPPROTO_GRE;
 
 	dsfield = ipv6_get_dsfield(ipv6h);
 	if (t->parms.flags & IP6_TNL_F_USE_ORIG_TCLASS)
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 8d22460a811b..4ddf67c6355b 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -101,19 +101,19 @@ static struct ip_tunnel *ipip6_tunnel_lookup(struct net *net,
 	for_each_ip_tunnel_rcu(t, sitn->tunnels_r_l[h0 ^ h1]) {
 		if (local == t->parms.iph.saddr &&
 		    remote == t->parms.iph.daddr &&
-		    (!dev || !t->parms.link || dev->iflink == t->parms.link) &&
+		    (!dev || !t->parms.link || dev->ifindex == t->parms.link) &&
 		    (t->dev->flags & IFF_UP))
 			return t;
 	}
 	for_each_ip_tunnel_rcu(t, sitn->tunnels_r[h0]) {
 		if (remote == t->parms.iph.daddr &&
-		    (!dev || !t->parms.link || dev->iflink == t->parms.link) &&
+		    (!dev || !t->parms.link || dev->ifindex == t->parms.link) &&
 		    (t->dev->flags & IFF_UP))
 			return t;
 	}
 	for_each_ip_tunnel_rcu(t, sitn->tunnels_l[h1]) {
 		if (local == t->parms.iph.saddr &&
-		    (!dev || !t->parms.link || dev->iflink == t->parms.link) &&
+		    (!dev || !t->parms.link || dev->ifindex == t->parms.link) &&
 		    (t->dev->flags & IFF_UP))
 			return t;
 	}
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 66c718854e5a..1a87659a6139 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1651,6 +1651,7 @@ static const struct inet_connection_sock_af_ops ipv6_specific = {
 	.compat_setsockopt = compat_ipv6_setsockopt,
 	.compat_getsockopt = compat_ipv6_getsockopt,
 #endif
+	.mtu_reduced	   = tcp_v6_mtu_reduced,
 };
 
 #ifdef CONFIG_TCP_MD5SIG
@@ -1682,6 +1683,7 @@ static const struct inet_connection_sock_af_ops ipv6_mapped = {
 	.compat_setsockopt = compat_ipv6_setsockopt,
 	.compat_getsockopt = compat_ipv6_getsockopt,
 #endif
+	.mtu_reduced	   = tcp_v4_mtu_reduced,
 };
 
 #ifdef CONFIG_TCP_MD5SIG
@@ -1919,7 +1921,6 @@ struct proto tcpv6_prot = {
 	.sendpage		= tcp_sendpage,
 	.backlog_rcv		= tcp_v6_do_rcv,
 	.release_cb		= tcp_release_cb,
-	.mtu_reduced		= tcp_v6_mtu_reduced,
 	.hash			= tcp_v6_hash,
 	.unhash			= inet_unhash,
 	.get_port		= inet_csk_get_port,
diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c
index 164fa9dcd97d..c3ae2411650c 100644
--- a/net/l2tp/l2tp_ppp.c
+++ b/net/l2tp/l2tp_ppp.c
@@ -756,7 +756,8 @@ static int pppol2tp_connect(struct socket *sock, struct sockaddr *uservaddr,
 	/* If PMTU discovery was enabled, use the MTU that was discovered */
 	dst = sk_dst_get(tunnel->sock);
 	if (dst != NULL) {
-		u32 pmtu = dst_mtu(__sk_dst_get(tunnel->sock));
+		u32 pmtu = dst_mtu(dst);
+
 		if (pmtu != 0)
 			session->mtu = session->mru = pmtu -
 				PPPOL2TP_HEADER_OVERHEAD;
diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c
index 894b6cbdd929..c4779ca59032 100644
--- a/net/openvswitch/actions.c
+++ b/net/openvswitch/actions.c
@@ -40,6 +40,9 @@ static int do_execute_actions(struct datapath *dp, struct sk_buff *skb,
 
 static int make_writable(struct sk_buff *skb, int write_len)
 {
+	if (!pskb_may_pull(skb, write_len))
+		return -ENOMEM;
+
 	if (!skb_cloned(skb) || skb_clone_writable(skb, write_len))
 		return 0;
 
@@ -68,6 +71,8 @@ static int __pop_vlan_tci(struct sk_buff *skb, __be16 *current_tci)
 
 	vlan_set_encap_proto(skb, vhdr);
 	skb->mac_header += VLAN_HLEN;
+	if (skb_network_offset(skb) < ETH_HLEN)
+		skb_set_network_header(skb, ETH_HLEN);
 	skb_reset_mac_len(skb);
 
 	return 0;
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index e8b5a0dfca21..81b4b816f131 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -565,6 +565,7 @@ static void init_prb_bdqc(struct packet_sock *po,
 	p1->tov_in_jiffies = msecs_to_jiffies(p1->retire_blk_tov);
 	p1->blk_sizeof_priv = req_u->req3.tp_sizeof_priv;
 
+	p1->max_frame_len = p1->kblk_size - BLK_PLUS_PRIV(p1->blk_sizeof_priv);
 	prb_init_ft_ops(p1, req_u);
 	prb_setup_retire_blk_timer(po, tx_ring);
 	prb_open_block(p1, pbd);
@@ -1803,6 +1804,18 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
 			if ((int)snaplen < 0)
 				snaplen = 0;
 		}
+	} else if (unlikely(macoff + snaplen >
+			    GET_PBDQC_FROM_RB(&po->rx_ring)->max_frame_len)) {
+		u32 nval;
+
+		nval = GET_PBDQC_FROM_RB(&po->rx_ring)->max_frame_len - macoff;
+		pr_err_once("tpacket_rcv: packet too big, clamped from %u to %u. macoff=%u\n",
+			    snaplen, nval, macoff);
+		snaplen = nval;
+		if (unlikely((int)snaplen < 0)) {
+			snaplen = 0;
+			macoff = GET_PBDQC_FROM_RB(&po->rx_ring)->max_frame_len;
+		}
 	}
 	spin_lock(&sk->sk_receive_queue.lock);
 	h.raw = packet_current_rx_frame(po, skb,
@@ -3642,6 +3655,10 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u,
 			goto out;
 		if (unlikely(req->tp_block_size & (PAGE_SIZE - 1)))
 			goto out;
+		if (po->tp_version >= TPACKET_V3 &&
+		    (int)(req->tp_block_size -
+			  BLK_PLUS_PRIV(req_u->req3.tp_sizeof_priv)) <= 0)
+			goto out;
 		if (unlikely(req->tp_frame_size < po->tp_hdrlen +
 					po->tp_reserve))
 			goto out;
diff --git a/net/packet/internal.h b/net/packet/internal.h
index 1035fa2d909c..ca086c0c2c08 100644
--- a/net/packet/internal.h
+++ b/net/packet/internal.h
@@ -29,6 +29,7 @@ struct tpacket_kbdq_core {
 	char		*pkblk_start;
 	char		*pkblk_end;
 	int		kblk_size;
+	unsigned int	max_frame_len;
 	unsigned int	knum_blocks;
 	uint64_t	knxt_seq_num;
 	char		*prev;
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 6eb26403de6a..edc204b05c82 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -1782,9 +1782,22 @@ static sctp_disposition_t sctp_sf_do_dupcook_a(struct net *net,
 	/* Update the content of current association. */
 	sctp_add_cmd_sf(commands, SCTP_CMD_UPDATE_ASSOC, SCTP_ASOC(new_asoc));
 	sctp_add_cmd_sf(commands, SCTP_CMD_EVENT_ULP, SCTP_ULPEVENT(ev));
-	sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE,
-			SCTP_STATE(SCTP_STATE_ESTABLISHED));
-	sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(repl));
+	if (sctp_state(asoc, SHUTDOWN_PENDING) &&
+	    (sctp_sstate(asoc->base.sk, CLOSING) ||
+	     sock_flag(asoc->base.sk, SOCK_DEAD))) {
+		/* if were currently in SHUTDOWN_PENDING, but the socket
+		 * has been closed by user, don't transition to ESTABLISHED.
+		 * Instead trigger SHUTDOWN bundled with COOKIE_ACK.
+		 */
+		sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(repl));
+		return sctp_sf_do_9_2_start_shutdown(net, ep, asoc,
+						     SCTP_ST_CHUNK(0), NULL,
+						     commands);
+	} else {
+		sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE,
+				SCTP_STATE(SCTP_STATE_ESTABLISHED));
+		sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(repl));
+	}
 	return SCTP_DISPOSITION_CONSUME;
 
 nomem_ev: