device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
8021q: adding VLAN 0 to HW filter on device team0
============================================
WARNING: possible recursive locking detected
4.19.211-syzkaller #0 Not tainted
--------------------------------------------
syz-executor.1/14233 is trying to acquire lock:
00000000238f3d7f (&team->lock){+.+.}, at: team_vlan_rx_add_vid+0x38/0x1e0 drivers/net/team/team.c:1896

but task is already holding lock:
00000000f930b54f (&team->lock){+.+.}, at: team_add_slave+0x98/0x1fa0 drivers/net/team/team.c:1975

other info that might help us debug this:
 Possible unsafe locking scenario:

       CPU0
       ----
  lock(&team->lock);
  lock(&team->lock);

 *** DEADLOCK ***

 May be due to missing lock nesting notation

2 locks held by syz-executor.1/14233:
 #0: 00000000f6d57d11 (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline]
 #0: 00000000f6d57d11 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779
 #1: 00000000f930b54f (&team->lock){+.+.}, at: team_add_slave+0x98/0x1fa0 drivers/net/team/team.c:1975

stack backtrace:
CPU: 0 PID: 14233 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 print_deadlock_bug kernel/locking/lockdep.c:1764 [inline]
 check_deadlock kernel/locking/lockdep.c:1808 [inline]
 validate_chain kernel/locking/lockdep.c:2404 [inline]
 __lock_acquire.cold+0x121/0x57e kernel/locking/lockdep.c:3416
 lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908
 __mutex_lock_common kernel/locking/mutex.c:937 [inline]
 __mutex_lock+0xd7/0x1190 kernel/locking/mutex.c:1078
 team_vlan_rx_add_vid+0x38/0x1e0 drivers/net/team/team.c:1896
 vlan_add_rx_filter_info+0x13c/0x1c0 net/8021q/vlan_core.c:210
 __vlan_vid_add net/8021q/vlan_core.c:278 [inline]
 vlan_vid_add+0x3ee/0x7e0 net/8021q/vlan_core.c:308
 vlan_device_event.cold+0x28/0x2d net/8021q/vlan.c:382
 notifier_call_chain+0xc0/0x230 kernel/notifier.c:93
 call_netdevice_notifiers net/core/dev.c:1762 [inline]
 dev_open net/core/dev.c:1442 [inline]
 dev_open+0x128/0x140 net/core/dev.c:1430
 team_port_add drivers/net/team/team.c:1220 [inline]
 team_add_slave+0xb02/0x1fa0 drivers/net/team/team.c:1976
 do_set_master+0x1c8/0x220 net/core/rtnetlink.c:2321
 do_setlink+0x7ec/0x3540 net/core/rtnetlink.c:2455
 rtnl_newlink+0xda9/0x15c0 net/core/rtnetlink.c:3077
 rtnetlink_rcv_msg+0x453/0xb80 net/core/rtnetlink.c:4782
 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463
 netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline]
 netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351
 netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xc3/0x120 net/socket.c:661
 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227
 __sys_sendmsg net/socket.c:2265 [inline]
 __do_sys_sendmsg net/socket.c:2274 [inline]
 __se_sys_sendmsg net/socket.c:2272 [inline]
 __x64_sys_sendmsg+0x132/0x220 net/socket.c:2272
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fb4b37bc109
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb4b2131168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fb4b38cef60 RCX: 00007fb4b37bc109
RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000008
RBP: 00007fb4b381605d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdf1e1286f R14: 00007fb4b2131300 R15: 0000000000022000
device team0 entered promiscuous mode
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
team1: Port device team0 added
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge196: port 1(team0) entered disabled state
bridge197: port 1(team0) entered blocking state
bridge197: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
bridge16: port 1(team0) entered blocking state
bridge16: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge197: port 1(team0) entered disabled state
bridge198: port 1(team0) entered blocking state
bridge198: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
bridge26: port 1(team0) entered blocking state
bridge26: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge16: port 1(team0) entered disabled state
bridge17: port 1(team0) entered blocking state
bridge17: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
device team0 left promiscuous mode
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
team1: Port device team0 removed
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge21: port 1(team0) entered disabled state
bridge25: port 1(team0) entered blocking state
bridge25: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge198: port 1(team0) entered disabled state
bridge199: port 1(team0) entered blocking state
bridge199: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge17: port 1(team0) entered disabled state
bridge18: port 1(team0) entered blocking state
bridge18: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge199: port 1(team0) entered disabled state
bridge200: port 1(team0) entered blocking state
bridge200: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge26: port 1(team0) entered disabled state
bridge27: port 1(team0) entered blocking state
bridge27: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge25: port 1(team0) entered disabled state
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge18: port 1(team0) entered disabled state
bridge19: port 1(team0) entered blocking state
bridge19: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge200: port 1(team0) entered disabled state
bridge201: port 1(team0) entered blocking state
bridge201: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge19: port 1(team0) entered disabled state
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge201: port 1(team0) entered disabled state
bridge202: port 1(team0) entered blocking state
bridge202: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
8021q: adding VLAN 0 to HW filter on device team0
device team0 entered promiscuous mode
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
team1: Port device team0 added
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge202: port 1(team0) entered disabled state
bridge203: port 1(team0) entered blocking state
bridge203: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge27: port 1(team0) entered disabled state
bridge13: port 1(team0) entered blocking state
bridge13: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge203: port 1(team0) entered disabled state
bridge204: port 1(team0) entered blocking state
bridge204: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
device team0 left promiscuous mode
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
team1: Port device team0 removed
bridge19: port 1(team0) entered blocking state
bridge19: port 1(team0) entered disabled state
bridge19: port 1(team0) entered disabled state
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge204: port 1(team0) entered disabled state
bridge205: port 1(team0) entered blocking state
bridge205: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
bridge30: port 1(team0) entered blocking state
bridge30: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge205: port 1(team0) entered disabled state
bridge206: port 1(team0) entered blocking state
bridge206: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge30: port 1(team0) entered disabled state
bridge31: port 1(team0) entered blocking state
bridge31: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge206: port 1(team0) entered disabled state
bridge207: port 1(team0) entered blocking state
bridge207: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge31: port 1(team0) entered disabled state
bridge32: port 1(team0) entered blocking state
bridge32: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge207: port 1(team0) entered disabled state
bridge208: port 1(team0) entered blocking state
bridge208: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge32: port 1(team0) entered disabled state
bridge33: port 1(team0) entered blocking state
bridge33: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge208: port 1(team0) entered disabled state
bridge209: port 1(team0) entered blocking state
bridge209: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge33: port 1(team0) entered disabled state
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge209: port 1(team0) entered disabled state
bridge210: port 1(team0) entered blocking state
bridge210: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge210: port 1(team0) entered disabled state
bridge211: port 1(team0) entered blocking state
bridge211: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
team1: Device team0 is up. Set it down before adding it as a team port
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge211: port 1(team0) entered disabled state
bridge212: port 1(team0) entered blocking state
bridge212: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
team1: Device team0 is up. Set it down before adding it as a team port
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge212: port 1(team0) entered disabled state
bridge213: port 1(team0) entered blocking state
bridge213: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
team1: Device team0 is up. Set it down before adding it as a team port
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge213: port 1(team0) entered disabled state
bridge214: port 1(team0) entered blocking state
bridge214: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge214: port 1(team0) entered disabled state
bridge215: port 1(team0) entered blocking state
bridge215: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge215: port 1(team0) entered disabled state
bridge216: port 1(team0) entered blocking state
bridge216: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge216: port 1(team0) entered disabled state
bridge217: port 1(team0) entered blocking state
bridge217: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge217: port 1(team0) entered disabled state
bridge218: port 1(team0) entered blocking state
bridge218: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
team1: Device team0 is up. Set it down before adding it as a team port
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge218: port 1(team0) entered disabled state
bridge219: port 1(team0) entered blocking state
bridge219: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
team1: Device team0 is up. Set it down before adding it as a team port
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge219: port 1(team0) entered disabled state
bridge220: port 1(team0) entered blocking state
bridge220: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
team1: Device team0 is up. Set it down before adding it as a team port
bridge19: port 1(team0) entered blocking state
bridge19: port 1(team0) entered disabled state
device team_slave_0 left promiscuous mode
device team_slave_1 left promiscuous mode
bridge220: port 1(team0) entered disabled state
bridge221: port 1(team0) entered blocking state
bridge221: port 1(team0) entered disabled state
device team_slave_0 entered promiscuous mode
device team_slave_1 entered promiscuous mode
bridge19: port 1(team0) entered disabled state