Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

Pull networking fixes from David Miller:
 "What better way to start off a weekend than with some networking bug
  fixes:

  1) net namespace leak in dump filtering code of ipv4 and ipv6, fixed
     by David Ahern and Bjørn Mork.

  2) Handle bad checksums from hardware when using CHECKSUM_COMPLETE
     properly in UDP, from Sean Tranchetti.

  3) Remove TCA_OPTIONS from policy validation, it turns out we don't
     consistently use nested attributes for this across all packet
     schedulers. From David Ahern.

  4) Fix SKB corruption in cadence driver, from Tristram Ha.

  5) Fix broken WoL handling in r8169 driver, from Heiner Kallweit.

  6) Fix OOPS in pneigh_dump_table(), from Eric Dumazet"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (28 commits)
  net/neigh: fix NULL deref in pneigh_dump_table()
  net: allow traceroute with a specified interface in a vrf
  bridge: do not add port to router list when receives query with source 0.0.0.0
  net/smc: fix smc_buf_unuse to use the lgr pointer
  ipv6/ndisc: Preserve IPv6 control buffer if protocol error handlers are called
  net/{ipv4,ipv6}: Do not put target net if input nsid is invalid
  lan743x: Remove SPI dependency from Microchip group.
  drivers: net: remove <net/busy_poll.h> inclusion when not needed
  net: phy: genphy_10g_driver: Avoid NULL pointer dereference
  r8169: fix broken Wake-on-LAN from S5 (poweroff)
  octeontx2-af: Use GFP_ATOMIC under spin lock
  net: ethernet: cadence: fix socket buffer corruption problem
  net/ipv6: Allow onlink routes to have a device mismatch if it is the default route
  net: sched: Remove TCA_OPTIONS from policy
  ice: Poll for link status change
  ice: Allocate VF interrupts and set queue map
  ice: Introduce ice_dev_onetime_setup
  net: hns3: Fix for warning uninitialized symbol hw_err_lst3
  octeontx2-af: Copy the right amount of memory
  net: udp: fix handling of CHECKSUM_COMPLETE packets
  ...

17 files changed, 103 insertions, 41 deletions

diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 024139b51d3a..41cdafbf2ebe 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1422,7 +1422,15 @@ static void br_multicast_query_received(struct net_bridge *br,
 		return;
 
 	br_multicast_update_query_timer(br, query, max_delay);
-	br_multicast_mark_router(br, port);
+
+	/* Based on RFC4541, section 2.1.1 IGMP Forwarding Rules,
+	 * the arrival port for IGMP Queries where the source address
+	 * is 0.0.0.0 should not be added to router port list.
+	 */
+	if ((saddr->proto == htons(ETH_P_IP) && saddr->u.ip4) ||
+	    (saddr->proto == htons(ETH_P_IPV6) &&
+	     !ipv6_addr_any(&saddr->u.ip6)))
+		br_multicast_mark_router(br, port);
 }
 
 static void br_ip4_multicast_query(struct net_bridge *br,
diff --git a/net/core/datagram.c b/net/core/datagram.c
index 6a034eb538a1..57f3a6fcfc1e 100644
--- a/net/core/datagram.c
+++ b/net/core/datagram.c
@@ -808,8 +808,9 @@ int skb_copy_and_csum_datagram_msg(struct sk_buff *skb,
 			return -EINVAL;
 		}
 
-		if (unlikely(skb->ip_summed == CHECKSUM_COMPLETE))
-			netdev_rx_csum_fault(skb->dev);
+		if (unlikely(skb->ip_summed == CHECKSUM_COMPLETE) &&
+		    !skb->csum_complete_sw)
+			netdev_rx_csum_fault(NULL);
 	}
 	return 0;
 fault:
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index ee605d9d8bd4..41954e42a2de 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -2364,7 +2364,7 @@ static bool neigh_master_filtered(struct net_device *dev, int master_idx)
 	if (!master_idx)
 		return false;
 
-	master = netdev_master_upper_dev_get(dev);
+	master = dev ? netdev_master_upper_dev_get(dev) : NULL;
 	if (!master || master->ifindex != master_idx)
 		return true;
 
@@ -2373,7 +2373,7 @@ static bool neigh_master_filtered(struct net_device *dev, int master_idx)
 
 static bool neigh_ifindex_filtered(struct net_device *dev, int filter_idx)
 {
-	if (filter_idx && dev->ifindex != filter_idx)
+	if (filter_idx && (!dev || dev->ifindex != filter_idx))
 		return true;
 
 	return false;
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 0958c7be2c22..f679c7a7d761 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -3333,6 +3333,7 @@ static int rtnl_dump_all(struct sk_buff *skb, struct netlink_callback *cb)
 	int idx;
 	int s_idx = cb->family;
 	int type = cb->nlh->nlmsg_type - RTM_BASE;
+	int ret = 0;
 
 	if (s_idx == 0)
 		s_idx = 1;
@@ -3365,12 +3366,13 @@ static int rtnl_dump_all(struct sk_buff *skb, struct netlink_callback *cb)
 			cb->prev_seq = 0;
 			cb->seq = 0;
 		}
-		if (dumpit(skb, cb))
+		ret = dumpit(skb, cb);
+		if (ret < 0)
 			break;
 	}
 	cb->family = idx;
 
-	return skb->len;
+	return skb->len ? : ret;
 }
 
 struct sk_buff *rtmsg_ifinfo_build_skb(int type, struct net_device *dev,
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 63d5b58fbfdb..a34602ae27de 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1704,6 +1704,7 @@ static int inet_valid_dump_ifaddr_req(const struct nlmsghdr *nlh,
 
 			net = rtnl_get_net_ns_capable(sk, fillargs->netnsid);
 			if (IS_ERR(net)) {
+				fillargs->netnsid = -1;
 				NL_SET_ERR_MSG(extack, "ipv4: Invalid target network namespace id");
 				return PTR_ERR(net);
 			}
@@ -1761,7 +1762,7 @@ static int inet_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb)
 	struct net_device *dev;
 	struct in_device *in_dev;
 	struct hlist_head *head;
-	int err;
+	int err = 0;
 
 	s_h = cb->args[0];
 	s_idx = idx = cb->args[1];
@@ -1771,12 +1772,15 @@ static int inet_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb)
 		err = inet_valid_dump_ifaddr_req(nlh, &fillargs, &tgt_net,
 						 skb->sk, cb);
 		if (err < 0)
-			return err;
+			goto put_tgt_net;
 
+		err = 0;
 		if (fillargs.ifindex) {
 			dev = __dev_get_by_index(tgt_net, fillargs.ifindex);
-			if (!dev)
-				return -ENODEV;
+			if (!dev) {
+				err = -ENODEV;
+				goto put_tgt_net;
+			}
 
 			in_dev = __in_dev_get_rtnl(dev);
 			if (in_dev) {
@@ -1821,7 +1825,7 @@ put_tgt_net:
 	if (fillargs.netnsid >= 0)
 		put_net(tgt_net);
 
-	return skb->len;
+	return err < 0 ? err : skb->len;
 }
 
 static void rtmsg_ifa(int event, struct in_ifaddr *ifa, struct nlmsghdr *nlh,
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 5bf653f36911..6df95be96311 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -829,6 +829,7 @@ int ip_valid_fib_dump_req(struct net *net, const struct nlmsghdr *nlh,
 		return -EINVAL;
 	}
 
+	filter->dump_all_families = (rtm->rtm_family == AF_UNSPEC);
 	filter->flags    = rtm->rtm_flags;
 	filter->protocol = rtm->rtm_protocol;
 	filter->rt_type  = rtm->rtm_type;
@@ -899,6 +900,9 @@ static int inet_dump_fib(struct sk_buff *skb, struct netlink_callback *cb)
 	if (filter.table_id) {
 		tb = fib_get_table(net, filter.table_id);
 		if (!tb) {
+			if (filter.dump_all_families)
+				return skb->len;
+
 			NL_SET_ERR_MSG(cb->extack, "ipv4: FIB table does not exist");
 			return -ENOENT;
 		}
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 7a3e2acda94c..a6defbec4f1b 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -2542,6 +2542,9 @@ static int ipmr_rtm_dumproute(struct sk_buff *skb, struct netlink_callback *cb)
 
 		mrt = ipmr_get_table(sock_net(skb->sk), filter.table_id);
 		if (!mrt) {
+			if (filter.dump_all_families)
+				return skb->len;
+
 			NL_SET_ERR_MSG(cb->extack, "ipv4: MR table does not exist");
 			return -ENOENT;
 		}
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index cf8252d05a01..ca3ed931f2a9 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -609,8 +609,8 @@ void __udp4_lib_err(struct sk_buff *skb, u32 info, struct udp_table *udptable)
 	struct net *net = dev_net(skb->dev);
 
 	sk = __udp4_lib_lookup(net, iph->daddr, uh->dest,
-			       iph->saddr, uh->source, skb->dev->ifindex, 0,
-			       udptable, NULL);
+			       iph->saddr, uh->source, skb->dev->ifindex,
+			       inet_sdif(skb), udptable, NULL);
 	if (!sk) {
 		__ICMP_INC_STATS(net, ICMP_MIB_INERRORS);
 		return;	/* No socket for error */
@@ -2120,8 +2120,24 @@ static inline int udp4_csum_init(struct sk_buff *skb, struct udphdr *uh,
 	/* Note, we are only interested in != 0 or == 0, thus the
 	 * force to int.
 	 */
-	return (__force int)skb_checksum_init_zero_check(skb, proto, uh->check,
-							 inet_compute_pseudo);
+	err = (__force int)skb_checksum_init_zero_check(skb, proto, uh->check,
+							inet_compute_pseudo);
+	if (err)
+		return err;
+
+	if (skb->ip_summed == CHECKSUM_COMPLETE && !skb->csum_valid) {
+		/* If SW calculated the value, we know it's bad */
+		if (skb->csum_complete_sw)
+			return 1;
+
+		/* HW says the value is bad. Let's validate that.
+		 * skb->csum is no longer the full packet checksum,
+		 * so don't treat it as such.
+		 */
+		skb_checksum_complete_unset(skb);
+	}
+
+	return 0;
 }
 
 /* wrapper for udp_queue_rcv_skb tacking care of csum conversion and
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 45b84dd5c4eb..63a808d5af15 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -5058,6 +5058,7 @@ static int inet6_valid_dump_ifaddr_req(const struct nlmsghdr *nlh,
 			fillargs->netnsid = nla_get_s32(tb[i]);
 			net = rtnl_get_net_ns_capable(sk, fillargs->netnsid);
 			if (IS_ERR(net)) {
+				fillargs->netnsid = -1;
 				NL_SET_ERR_MSG_MOD(extack, "Invalid target network namespace id");
 				return PTR_ERR(net);
 			}
@@ -5089,23 +5090,25 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb,
 	struct net_device *dev;
 	struct inet6_dev *idev;
 	struct hlist_head *head;
+	int err = 0;
 
 	s_h = cb->args[0];
 	s_idx = idx = cb->args[1];
 	s_ip_idx = cb->args[2];
 
 	if (cb->strict_check) {
-		int err;
-
 		err = inet6_valid_dump_ifaddr_req(nlh, &fillargs, &tgt_net,
 						  skb->sk, cb);
 		if (err < 0)
-			return err;
+			goto put_tgt_net;
 
+		err = 0;
 		if (fillargs.ifindex) {
 			dev = __dev_get_by_index(tgt_net, fillargs.ifindex);
-			if (!dev)
-				return -ENODEV;
+			if (!dev) {
+				err = -ENODEV;
+				goto put_tgt_net;
+			}
 			idev = __in6_dev_get(dev);
 			if (idev) {
 				err = in6_dump_addrs(idev, skb, cb, s_ip_idx,
@@ -5144,7 +5147,7 @@ put_tgt_net:
 	if (fillargs.netnsid >= 0)
 		put_net(tgt_net);
 
-	return skb->len;
+	return err < 0 ? err : skb->len;
 }
 
 static int inet6_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb)
diff --git a/net/ipv6/ip6_checksum.c b/net/ipv6/ip6_checksum.c
index 547515e8450a..377717045f8f 100644
--- a/net/ipv6/ip6_checksum.c
+++ b/net/ipv6/ip6_checksum.c
@@ -88,8 +88,24 @@ int udp6_csum_init(struct sk_buff *skb, struct udphdr *uh, int proto)
 	 * Note, we are only interested in != 0 or == 0, thus the
 	 * force to int.
 	 */
-	return (__force int)skb_checksum_init_zero_check(skb, proto, uh->check,
-							 ip6_compute_pseudo);
+	err = (__force int)skb_checksum_init_zero_check(skb, proto, uh->check,
+							ip6_compute_pseudo);
+	if (err)
+		return err;
+
+	if (skb->ip_summed == CHECKSUM_COMPLETE && !skb->csum_valid) {
+		/* If SW calculated the value, we know it's bad */
+		if (skb->csum_complete_sw)
+			return 1;
+
+		/* HW says the value is bad. Let's validate that.
+		 * skb->csum is no longer the full packet checksum,
+		 * so don't treat is as such.
+		 */
+		skb_checksum_complete_unset(skb);
+	}
+
+	return 0;
 }
 EXPORT_SYMBOL(udp6_csum_init);
 
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 2a058b408a6a..1b8bc008b53b 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -620,6 +620,9 @@ static int inet6_dump_fib(struct sk_buff *skb, struct netlink_callback *cb)
 	if (arg.filter.table_id) {
 		tb = fib6_get_table(net, arg.filter.table_id);
 		if (!tb) {
+			if (arg.filter.dump_all_families)
+				return skb->len;
+
 			NL_SET_ERR_MSG_MOD(cb->extack, "FIB table does not exist");
 			return -ENOENT;
 		}
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index c3317ffb09eb..e2ea691e42c6 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -2473,6 +2473,9 @@ static int ip6mr_rtm_dumproute(struct sk_buff *skb, struct netlink_callback *cb)
 
 		mrt = ip6mr_get_table(sock_net(skb->sk), filter.table_id);
 		if (!mrt) {
+			if (filter.dump_all_families)
+				return skb->len;
+
 			NL_SET_ERR_MSG_MOD(cb->extack, "MR table does not exist");
 			return -ENOENT;
 		}
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index a25cfdd47c89..659ecf4e4b3c 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -1732,10 +1732,9 @@ int ndisc_rcv(struct sk_buff *skb)
 		return 0;
 	}
 
-	memset(NEIGH_CB(skb), 0, sizeof(struct neighbour_cb));
-
 	switch (msg->icmph.icmp6_type) {
 	case NDISC_NEIGHBOUR_SOLICITATION:
+		memset(NEIGH_CB(skb), 0, sizeof(struct neighbour_cb));
 		ndisc_recv_ns(skb);
 		break;
 
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index e3226284e480..2a7423c39456 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2745,6 +2745,8 @@ static int ip6_route_check_nh_onlink(struct net *net,
 	grt = ip6_nh_lookup_table(net, cfg, gw_addr, tbid, 0);
 	if (grt) {
 		if (!grt->dst.error &&
+		    /* ignore match if it is the default route */
+		    grt->from && !ipv6_addr_any(&grt->from->fib6_dst.addr) &&
 		    (grt->rt6i_flags & flags || dev != grt->dst.dev)) {
 			NL_SET_ERR_MSG(extack,
 				       "Nexthop has invalid gateway or device mismatch");
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 06d17ff3562f..d2d97d07ef27 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -478,7 +478,7 @@ void __udp6_lib_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 	struct net *net = dev_net(skb->dev);
 
 	sk = __udp6_lib_lookup(net, daddr, uh->dest, saddr, uh->source,
-			       inet6_iif(skb), 0, udptable, skb);
+			       inet6_iif(skb), inet6_sdif(skb), udptable, skb);
 	if (!sk) {
 		__ICMP6_INC_STATS(net, __in6_dev_get(skb->dev),
 				  ICMP6_MIB_INERRORS);
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 022bca98bde6..ca3b0f46de53 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -1320,7 +1320,6 @@ check_loop_fn(struct Qdisc *q, unsigned long cl, struct qdisc_walker *w)
 
 const struct nla_policy rtm_tca_policy[TCA_MAX + 1] = {
 	[TCA_KIND]		= { .type = NLA_STRING },
-	[TCA_OPTIONS]		= { .type = NLA_NESTED },
 	[TCA_RATE]		= { .type = NLA_BINARY,
 				    .len = sizeof(struct tc_estimator) },
 	[TCA_STAB]		= { .type = NLA_NESTED },
diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c
index e871368500e3..18daebcef181 100644
--- a/net/smc/smc_core.c
+++ b/net/smc/smc_core.c
@@ -122,22 +122,17 @@ static void __smc_lgr_unregister_conn(struct smc_connection *conn)
 	sock_put(&smc->sk); /* sock_hold in smc_lgr_register_conn() */
 }
 
-/* Unregister connection and trigger lgr freeing if applicable
+/* Unregister connection from lgr
  */
 static void smc_lgr_unregister_conn(struct smc_connection *conn)
 {
 	struct smc_link_group *lgr = conn->lgr;
-	int reduced = 0;
 
 	write_lock_bh(&lgr->conns_lock);
 	if (conn->alert_token_local) {
-		reduced = 1;
 		__smc_lgr_unregister_conn(conn);
 	}
 	write_unlock_bh(&lgr->conns_lock);
-	if (!reduced || lgr->conns_num)
-		return;
-	smc_lgr_schedule_free_work(lgr);
 }
 
 /* Send delete link, either as client to request the initiation
@@ -291,7 +286,8 @@ out:
 	return rc;
 }
 
-static void smc_buf_unuse(struct smc_connection *conn)
+static void smc_buf_unuse(struct smc_connection *conn,
+			  struct smc_link_group *lgr)
 {
 	if (conn->sndbuf_desc)
 		conn->sndbuf_desc->used = 0;
@@ -301,8 +297,6 @@ static void smc_buf_unuse(struct smc_connection *conn)
 			conn->rmb_desc->used = 0;
 		} else {
 			/* buf registration failed, reuse not possible */
-			struct smc_link_group *lgr = conn->lgr;
-
 			write_lock_bh(&lgr->rmbs_lock);
 			list_del(&conn->rmb_desc->list);
 			write_unlock_bh(&lgr->rmbs_lock);
@@ -315,16 +309,21 @@ static void smc_buf_unuse(struct smc_connection *conn)
 /* remove a finished connection from its link group */
 void smc_conn_free(struct smc_connection *conn)
 {
-	if (!conn->lgr)
+	struct smc_link_group *lgr = conn->lgr;
+
+	if (!lgr)
 		return;
-	if (conn->lgr->is_smcd) {
+	if (lgr->is_smcd) {
 		smc_ism_unset_conn(conn);
 		tasklet_kill(&conn->rx_tsklet);
 	} else {
 		smc_cdc_tx_dismiss_slots(conn);
 	}
-	smc_lgr_unregister_conn(conn);
-	smc_buf_unuse(conn);
+	smc_lgr_unregister_conn(conn);		/* unsets conn->lgr */
+	smc_buf_unuse(conn, lgr);		/* allow buffer reuse */
+
+	if (!lgr->conns_num)
+		smc_lgr_schedule_free_work(lgr);
 }
 
 static void smc_link_clear(struct smc_link *lnk)