Merge tag 'net-6.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Paolo Abeni:
 "Including fixes from can, xfrm, bluetooth and netfilter.

  Current release - regressions:

   - ipv6: fix RCU splat in ipv6_route_seq_show()

   - wifi: iwlwifi: disable RFI feature

  Previous releases - regressions:

   - tcp: fix possible sk_priority leak in tcp_v4_send_reset()

   - tipc: do not update mtu if msg_max is too small in mtu negotiation

   - netfilter: fix null deref on element insertion

   - devlink: change per-devlink netdev notifier to static one

   - phylink: fix ksettings_set() ethtool call

   - wifi: mac80211: fortify the spinlock against deadlock by interrupt

   - wifi: brcmfmac: check for probe() id argument being NULL

   - eth: ice:
      - fix undersized tx_flags variable
      - fix ice VF reset during iavf initialization

   - eth: hns3: fix sending pfc frames after reset issue

  Previous releases - always broken:

   - xfrm: release all offloaded policy memory

   - nsh: use correct mac_offset to unwind gso skb in nsh_gso_segment()

   - vsock: avoid to close connected socket after the timeout

   - dsa: rzn1-a5psw: enable management frames for CPU port

   - eth: virtio_net: fix error unwinding of XDP initialization

   - eth: tun: fix memory leak for detached NAPI queue.

  Misc:

   - MAINTAINERS: sctp: move Neil to CREDITS"

* tag 'net-6.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (107 commits)
  MAINTAINERS: skip CCing netdev for Bluetooth patches
  mdio_bus: unhide mdio_bus_init prototype
  bridge: always declare tunnel functions
  atm: hide unused procfs functions
  net: isa: include net/Space.h
  Revert "ARM: dts: stm32: add CAN support on stm32f746"
  netfilter: nft_set_rbtree: fix null deref on element insertion
  netfilter: nf_tables: fix nft_trans type confusion
  netfilter: conntrack: define variables exp_nat_nla_policy and any_addr with CONFIG_NF_NAT
  net: wwan: t7xx: Ensure init is completed before system sleep
  net: selftests: Fix optstring
  net: pcs: xpcs: fix C73 AN not getting enabled
  net: wwan: iosm: fix NULL pointer dereference when removing device
  vlan: fix a potential uninit-value in vlan_dev_hard_start_xmit()
  mailmap: add entries for Nikolay Aleksandrov
  igb: fix bit_shift to be in [1..8] range
  net: dsa: mv88e6xxx: Fix mv88e6393x EPC write command offset
  cassini: Fix a memory leak in the error handling path of cas_init_one()
  tun: Fix memory leak for detached NAPI queue.
  can: kvaser_pciefd: Disable interrupts in probe error path
  ...

2 files changed, 16 insertions, 13 deletions

diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 2438da5ff6da..bac768d36cc1 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -2491,7 +2491,7 @@ static int ipv6_route_native_seq_show(struct seq_file *seq, void *v)
 	const struct net_device *dev;
 
 	if (rt->nh)
-		fib6_nh = nexthop_fib6_nh_bh(rt->nh);
+		fib6_nh = nexthop_fib6_nh(rt->nh);
 
 	seq_printf(seq, "%pi6 %02x ", &rt->fib6_dst.addr, rt->fib6_dst.plen);
 
@@ -2556,14 +2556,14 @@ static struct fib6_table *ipv6_route_seq_next_table(struct fib6_table *tbl,
 
 	if (tbl) {
 		h = (tbl->tb6_id & (FIB6_TABLE_HASHSZ - 1)) + 1;
-		node = rcu_dereference_bh(hlist_next_rcu(&tbl->tb6_hlist));
+		node = rcu_dereference(hlist_next_rcu(&tbl->tb6_hlist));
 	} else {
 		h = 0;
 		node = NULL;
 	}
 
 	while (!node && h < FIB6_TABLE_HASHSZ) {
-		node = rcu_dereference_bh(
+		node = rcu_dereference(
 			hlist_first_rcu(&net->ipv6.fib_table_hash[h++]));
 	}
 	return hlist_entry_safe(node, struct fib6_table, tb6_hlist);
@@ -2593,7 +2593,7 @@ static void *ipv6_route_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 	if (!v)
 		goto iter_table;
 
-	n = rcu_dereference_bh(((struct fib6_info *)v)->fib6_next);
+	n = rcu_dereference(((struct fib6_info *)v)->fib6_next);
 	if (n)
 		return n;
 
@@ -2619,12 +2619,12 @@ iter_table:
 }
 
 static void *ipv6_route_seq_start(struct seq_file *seq, loff_t *pos)
-	__acquires(RCU_BH)
+	__acquires(RCU)
 {
 	struct net *net = seq_file_net(seq);
 	struct ipv6_route_iter *iter = seq->private;
 
-	rcu_read_lock_bh();
+	rcu_read_lock();
 	iter->tbl = ipv6_route_seq_next_table(NULL, net);
 	iter->skip = *pos;
 
@@ -2645,7 +2645,7 @@ static bool ipv6_route_iter_active(struct ipv6_route_iter *iter)
 }
 
 static void ipv6_route_native_seq_stop(struct seq_file *seq, void *v)
-	__releases(RCU_BH)
+	__releases(RCU)
 {
 	struct net *net = seq_file_net(seq);
 	struct ipv6_route_iter *iter = seq->private;
@@ -2653,7 +2653,7 @@ static void ipv6_route_native_seq_stop(struct seq_file *seq, void *v)
 	if (ipv6_route_iter_active(iter))
 		fib6_walker_unlink(net, &iter->w);
 
-	rcu_read_unlock_bh();
+	rcu_read_unlock();
 }
 
 #if IS_BUILTIN(CONFIG_IPV6) && defined(CONFIG_BPF_SYSCALL)
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index a4ecfc9d2593..da80974ad23a 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -1015,12 +1015,14 @@ static netdev_tx_t ip6erspan_tunnel_xmit(struct sk_buff *skb,
 					    ntohl(tun_id),
 					    ntohl(md->u.index), truncate,
 					    false);
+			proto = htons(ETH_P_ERSPAN);
 		} else if (md->version == 2) {
 			erspan_build_header_v2(skb,
 					       ntohl(tun_id),
 					       md->u.md2.dir,
 					       get_hwid(&md->u.md2),
 					       truncate, false);
+			proto = htons(ETH_P_ERSPAN2);
 		} else {
 			goto tx_err;
 		}
@@ -1043,24 +1045,25 @@ static netdev_tx_t ip6erspan_tunnel_xmit(struct sk_buff *skb,
 			break;
 		}
 
-		if (t->parms.erspan_ver == 1)
+		if (t->parms.erspan_ver == 1) {
 			erspan_build_header(skb, ntohl(t->parms.o_key),
 					    t->parms.index,
 					    truncate, false);
-		else if (t->parms.erspan_ver == 2)
+			proto = htons(ETH_P_ERSPAN);
+		} else if (t->parms.erspan_ver == 2) {
 			erspan_build_header_v2(skb, ntohl(t->parms.o_key),
 					       t->parms.dir,
 					       t->parms.hwid,
 					       truncate, false);
-		else
+			proto = htons(ETH_P_ERSPAN2);
+		} else {
 			goto tx_err;
+		}
 
 		fl6.daddr = t->parms.raddr;
 	}
 
 	/* Push GRE header. */
-	proto = (t->parms.erspan_ver == 1) ? htons(ETH_P_ERSPAN)
-					   : htons(ETH_P_ERSPAN2);
 	gre_build_header(skb, 8, TUNNEL_SEQ, proto, 0, htonl(atomic_fetch_inc(&t->o_seqno)));
 
 	/* TooBig packet may have updated dst->dev's mtu */