Merge tag 'net-6.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

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

  Current release - regressions:

   - dccp/tcp: fix bhash2 issues related to WARN_ON() in
     inet_csk_get_port()

   - l2tp: don't sleep and disable BH under writer-side sk_callback_lock

   - eth: ice: fix handling of burst tx timestamps

  Current release - new code bugs:

   - xfrm: squelch kernel warning in case XFRM encap type is not
     available

   - eth: mlx5e: fix possible race condition in macsec extended packet
     number update routine

  Previous releases - regressions:

   - neigh: decrement the family specific qlen

   - netfilter: fix ipset regression

   - rxrpc: fix race between conn bundle lookup and bundle removal
     [ZDI-CAN-15975]

   - eth: iavf: do not restart tx queues after reset task failure

   - eth: nfp: add port from netdev validation for EEPROM access

   - eth: mtk_eth_soc: fix potential memory leak in mtk_rx_alloc()

  Previous releases - always broken:

   - tipc: set con sock in tipc_conn_alloc

   - nfc:
      - fix potential memory leaks
      - fix incorrect sizing calculations in EVT_TRANSACTION

   - eth: octeontx2-af: fix pci device refcount leak

   - eth: bonding: fix ICMPv6 header handling when receiving IPv6
     messages

   - eth: prestera: add missing unregister_netdev() in
     prestera_port_create()

   - eth: tsnep: fix rotten packets

  Misc:

   - usb: qmi_wwan: add support for LARA-L6"

* tag 'net-6.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (95 commits)
  net: thunderx: Fix the ACPI memory leak
  octeontx2-af: Fix reference count issue in rvu_sdp_init()
  net: altera_tse: release phylink resources in tse_shutdown()
  virtio_net: Fix probe failed when modprobe virtio_net
  net: wwan: t7xx: Fix the ACPI memory leak
  octeontx2-pf: Add check for devm_kcalloc
  net: enetc: preserve TX ring priority across reconfiguration
  net: marvell: prestera: add missing unregister_netdev() in prestera_port_create()
  nfc: st-nci: fix incorrect sizing calculations in EVT_TRANSACTION
  nfc: st-nci: fix memory leaks in EVT_TRANSACTION
  nfc: st-nci: fix incorrect validating logic in EVT_TRANSACTION
  Documentation: networking: Update generic_netlink_howto URL
  net/cdc_ncm: Fix multicast RX support for CDC NCM devices with ZLP
  net: usb: qmi_wwan: add u-blox 0x1342 composition
  l2tp: Don't sleep and disable BH under writer-side sk_callback_lock
  net: dm9051: Fix missing dev_kfree_skb() in dm9051_loop_rx()
  arcnet: fix potential memory leak in com20020_probe()
  ipv4: Fix error return code in fib_table_insert()
  net: ethernet: mtk_eth_soc: fix memory leak in error path
  net: ethernet: mtk_eth_soc: fix resource leak in error path
  ...

1 files changed, 5 insertions, 16 deletions

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 87d440f47a70..da46357f501b 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -199,15 +199,14 @@ static int tcp_v4_pre_connect(struct sock *sk, struct sockaddr *uaddr,
 /* This will initiate an outgoing connection. */
 int tcp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 {
-	struct inet_bind_hashbucket *prev_addr_hashbucket = NULL;
 	struct sockaddr_in *usin = (struct sockaddr_in *)uaddr;
 	struct inet_timewait_death_row *tcp_death_row;
-	__be32 daddr, nexthop, prev_sk_rcv_saddr;
 	struct inet_sock *inet = inet_sk(sk);
 	struct tcp_sock *tp = tcp_sk(sk);
 	struct ip_options_rcu *inet_opt;
 	struct net *net = sock_net(sk);
 	__be16 orig_sport, orig_dport;
+	__be32 daddr, nexthop;
 	struct flowi4 *fl4;
 	struct rtable *rt;
 	int err;
@@ -251,24 +250,13 @@ int tcp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 	tcp_death_row = &sock_net(sk)->ipv4.tcp_death_row;
 
 	if (!inet->inet_saddr) {
-		if (inet_csk(sk)->icsk_bind2_hash) {
-			prev_addr_hashbucket = inet_bhashfn_portaddr(tcp_death_row->hashinfo,
-								     sk, net, inet->inet_num);
-			prev_sk_rcv_saddr = sk->sk_rcv_saddr;
-		}
-		inet->inet_saddr = fl4->saddr;
-	}
-
-	sk_rcv_saddr_set(sk, inet->inet_saddr);
-
-	if (prev_addr_hashbucket) {
-		err = inet_bhash2_update_saddr(prev_addr_hashbucket, sk);
+		err = inet_bhash2_update_saddr(sk,  &fl4->saddr, AF_INET);
 		if (err) {
-			inet->inet_saddr = 0;
-			sk_rcv_saddr_set(sk, prev_sk_rcv_saddr);
 			ip_rt_put(rt);
 			return err;
 		}
+	} else {
+		sk_rcv_saddr_set(sk, inet->inet_saddr);
 	}
 
 	if (tp->rx_opt.ts_recent_stamp && inet->inet_daddr != daddr) {
@@ -343,6 +331,7 @@ failure:
 	 * if necessary.
 	 */
 	tcp_set_state(sk, TCP_CLOSE);
+	inet_bhash2_reset_saddr(sk);
 	ip_rt_put(rt);
 	sk->sk_route_caps = 0;
 	inet->inet_dport = 0;