======================================================
WARNING: possible circular locking dependency detected
6.4.0-rc5-syzkaller-01194-gc29e012eae29 #0 Not tainted
------------------------------------------------------
kworker/u4:19/17285 is trying to acquire lock:
ffff888051b22cf8 (team->team_lock_key#15){+.+.}-{3:3}, at: team_del_slave+0x31/0x1c0 drivers/net/team/team.c:1999

but task is already holding lock:
ffff888050168768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: wiphy_lock include/net/cfg80211.h:5742 [inline]
ffff888050168768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: ieee80211_remove_interfaces+0x271/0x690 net/mac80211/iface.c:2286

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #1 (&rdev->wiphy.mtx){+.+.}-{3:3}:
       __mutex_lock_common kernel/locking/mutex.c:603 [inline]
       __mutex_lock+0x12f/0x1350 kernel/locking/mutex.c:747
       wiphy_lock include/net/cfg80211.h:5742 [inline]
       ieee80211_open net/mac80211/iface.c:437 [inline]
       ieee80211_open+0x193/0x250 net/mac80211/iface.c:424
       __dev_open+0x297/0x4d0 net/core/dev.c:1415
       dev_open net/core/dev.c:1451 [inline]
       dev_open+0xec/0x150 net/core/dev.c:1444
       team_port_add drivers/net/team/team.c:1215 [inline]
       team_add_slave+0xa92/0x2130 drivers/net/team/team.c:1985
       do_set_master+0x1c8/0x220 net/core/rtnetlink.c:2657
       do_setlink+0x89a/0x3b70 net/core/rtnetlink.c:2860
       __rtnl_newlink+0xd69/0x1840 net/core/rtnetlink.c:3648
       rtnl_newlink+0x68/0xa0 net/core/rtnetlink.c:3695
       rtnetlink_rcv_msg+0x43d/0xd50 net/core/rtnetlink.c:6417
       netlink_rcv_skb+0x165/0x440 net/netlink/af_netlink.c:2548
       netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
       netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1365
       netlink_sendmsg+0x925/0xe30 net/netlink/af_netlink.c:1913
       sock_sendmsg_nosec net/socket.c:724 [inline]
       sock_sendmsg+0xde/0x190 net/socket.c:747
       ____sys_sendmsg+0x733/0x920 net/socket.c:2493
       ___sys_sendmsg+0x110/0x1b0 net/socket.c:2547
       __sys_sendmsg+0xf7/0x1c0 net/socket.c:2576
       do_syscall_x64 arch/x86/entry/common.c:50 [inline]
       do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
       entry_SYSCALL_64_after_hwframe+0x63/0xcd

-> #0 (team->team_lock_key#15){+.+.}-{3:3}:
       check_prev_add kernel/locking/lockdep.c:3113 [inline]
       check_prevs_add kernel/locking/lockdep.c:3232 [inline]
       validate_chain kernel/locking/lockdep.c:3847 [inline]
       __lock_acquire+0x2fcd/0x5f30 kernel/locking/lockdep.c:5088
       lock_acquire kernel/locking/lockdep.c:5705 [inline]
       lock_acquire+0x1b1/0x520 kernel/locking/lockdep.c:5670
       __mutex_lock_common kernel/locking/mutex.c:603 [inline]
       __mutex_lock+0x12f/0x1350 kernel/locking/mutex.c:747
       team_del_slave+0x31/0x1c0 drivers/net/team/team.c:1999
       team_device_event+0xd7/0xba0 drivers/net/team/team.c:3023
       notifier_call_chain+0xb6/0x3c0 kernel/notifier.c:93
       call_netdevice_notifiers_info+0xb9/0x130 net/core/dev.c:1935
       call_netdevice_notifiers_extack net/core/dev.c:1973 [inline]
       call_netdevice_notifiers net/core/dev.c:1987 [inline]
       unregister_netdevice_many_notify+0x75f/0x18c0 net/core/dev.c:10821
       unregister_netdevice_many net/core/dev.c:10877 [inline]
       unregister_netdevice_queue+0x2e5/0x3c0 net/core/dev.c:10757
       unregister_netdevice include/linux/netdevice.h:3112 [inline]
       _cfg80211_unregister_wdev+0x5fb/0x7b0 net/wireless/core.c:1222
       ieee80211_remove_interfaces+0x3cf/0x690 net/mac80211/iface.c:2291
       ieee80211_unregister_hw+0x4b/0x240 net/mac80211/main.c:1483
       mac80211_hwsim_del_radio drivers/net/wireless/virtual/mac80211_hwsim.c:5408 [inline]
       hwsim_exit_net+0x412/0x840 drivers/net/wireless/virtual/mac80211_hwsim.c:6284
       ops_exit_list+0xb0/0x170 net/core/net_namespace.c:170
       cleanup_net+0x4ee/0xb10 net/core/net_namespace.c:614
       process_one_work+0x99a/0x15e0 kernel/workqueue.c:2405
       worker_thread+0x67d/0x10c0 kernel/workqueue.c:2552
       kthread+0x344/0x440 kernel/kthread.c:379
       ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

other info that might help us debug this:

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(&rdev->wiphy.mtx);
                               lock(team->team_lock_key#15);
                               lock(&rdev->wiphy.mtx);
  lock(team->team_lock_key#15);

 *** DEADLOCK ***

5 locks held by kworker/u4:19/17285:
 #0: ffff888014267938 ((wq_completion)netns){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff888014267938 ((wq_completion)netns){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff888014267938 ((wq_completion)netns){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1324 [inline]
 #0: ffff888014267938 ((wq_completion)netns){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:643 [inline]
 #0: ffff888014267938 ((wq_completion)netns){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:670 [inline]
 #0: ffff888014267938 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x883/0x15e0 kernel/workqueue.c:2376
 #1: ffffc9000341fdb0 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x8b7/0x15e0 kernel/workqueue.c:2380
 #2: ffffffff8e104610 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x9f/0xb10 net/core/net_namespace.c:576
 #3: ffffffff8e118068 (rtnl_mutex){+.+.}-{3:3}, at: ieee80211_unregister_hw+0x43/0x240 net/mac80211/main.c:1476
 #4: ffff888050168768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: wiphy_lock include/net/cfg80211.h:5742 [inline]
 #4: ffff888050168768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: ieee80211_remove_interfaces+0x271/0x690 net/mac80211/iface.c:2286

stack backtrace:
CPU: 1 PID: 17285 Comm: kworker/u4:19 Not tainted 6.4.0-rc5-syzkaller-01194-gc29e012eae29 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
Workqueue: netns cleanup_net
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106
 check_noncircular+0x25f/0x2e0 kernel/locking/lockdep.c:2188
 check_prev_add kernel/locking/lockdep.c:3113 [inline]
 check_prevs_add kernel/locking/lockdep.c:3232 [inline]
 validate_chain kernel/locking/lockdep.c:3847 [inline]
 __lock_acquire+0x2fcd/0x5f30 kernel/locking/lockdep.c:5088
 lock_acquire kernel/locking/lockdep.c:5705 [inline]
 lock_acquire+0x1b1/0x520 kernel/locking/lockdep.c:5670
 __mutex_lock_common kernel/locking/mutex.c:603 [inline]
 __mutex_lock+0x12f/0x1350 kernel/locking/mutex.c:747
 team_del_slave+0x31/0x1c0 drivers/net/team/team.c:1999
 team_device_event+0xd7/0xba0 drivers/net/team/team.c:3023
 notifier_call_chain+0xb6/0x3c0 kernel/notifier.c:93
 call_netdevice_notifiers_info+0xb9/0x130 net/core/dev.c:1935
 call_netdevice_notifiers_extack net/core/dev.c:1973 [inline]
 call_netdevice_notifiers net/core/dev.c:1987 [inline]
 unregister_netdevice_many_notify+0x75f/0x18c0 net/core/dev.c:10821
 unregister_netdevice_many net/core/dev.c:10877 [inline]
 unregister_netdevice_queue+0x2e5/0x3c0 net/core/dev.c:10757
 unregister_netdevice include/linux/netdevice.h:3112 [inline]
 _cfg80211_unregister_wdev+0x5fb/0x7b0 net/wireless/core.c:1222
 ieee80211_remove_interfaces+0x3cf/0x690 net/mac80211/iface.c:2291
 ieee80211_unregister_hw+0x4b/0x240 net/mac80211/main.c:1483
 mac80211_hwsim_del_radio drivers/net/wireless/virtual/mac80211_hwsim.c:5408 [inline]
 hwsim_exit_net+0x412/0x840 drivers/net/wireless/virtual/mac80211_hwsim.c:6284
 ops_exit_list+0xb0/0x170 net/core/net_namespace.c:170
 cleanup_net+0x4ee/0xb10 net/core/net_namespace.c:614
 process_one_work+0x99a/0x15e0 kernel/workqueue.c:2405
 worker_thread+0x67d/0x10c0 kernel/workqueue.c:2552
 kthread+0x344/0x440 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
mac80211_hwsim hwsim14 � (unregistering): left promiscuous mode
team0: Port device � removed
bond8: left promiscuous mode
team0: left promiscuous mode
team_slave_0: left promiscuous mode
team_slave_1: left promiscuous mode
vlan5: left allmulticast mode
vlan5: left promiscuous mode
bridge15: port 1(vlan5) entered disabled state
vlan4: left allmulticast mode
bridge15: left allmulticast mode
vlan4: left promiscuous mode
bridge15: left promiscuous mode
bridge14: port 1(vlan4) entered disabled state
vlan3: left allmulticast mode
vlan3: left promiscuous mode
bridge12: port 1(vlan3) entered disabled state
vlan2: left allmulticast mode
bridge12: left allmulticast mode
vlan2: left promiscuous mode
bridge12: left promiscuous mode
bridge11: port 1(vlan2) entered disabled state
vlan1: left allmulticast mode
vlan1: left promiscuous mode
bridge9: port 1(vlan1) entered disabled state
vlan0: left allmulticast mode
bridge9: left allmulticast mode
vlan0: left promiscuous mode
bridge9: left promiscuous mode
bridge8: port 1(vlan0) entered disabled state
hsr_slave_0: left promiscuous mode
hsr_slave_1: left promiscuous mode
batman_adv: batadv0: Removing interface: batadv_slave_0
batman_adv: batadv0: Removing interface: batadv_slave_1
bridge_slave_1: left allmulticast mode
bridge_slave_1: left promiscuous mode
bridge0: port 2(bridge_slave_1) entered disabled state
bridge_slave_0: left allmulticast mode
bridge_slave_0: left promiscuous mode
bridge0: port 1(bridge_slave_0) entered disabled state
bond18 (unregistering): (slave bridge32): Releasing backup interface
bridge32 (unregistering): left promiscuous mode
bond18 (unregistering): Released all slaves
bond17 (unregistering): (slave bridge31): Releasing backup interface
bridge31 (unregistering): left promiscuous mode
bond17 (unregistering): Released all slaves
bond16 (unregistering): (slave bridge30): Releasing backup interface
bridge30 (unregistering): left promiscuous mode
bond16 (unregistering): Released all slaves
bond0 (unregistering): (slave bond15): Releasing backup interface
bond15 (unregistering): Released all slaves
bond0 (unregistering): (slave bond14): Releasing backup interface
bond14 (unregistering): Released all slaves
bond0 (unregistering): (slave bond13): Releasing backup interface
bond13 (unregistering): Released all slaves
bond0 (unregistering): (slave bond12): Releasing backup interface
bond12 (unregistering): Released all slaves
bond11 (unregistering): Released all slaves
bond10 (unregistering): Released all slaves
bond9 (unregistering): Released all slaves
bond8 (unregistering): Released all slaves
bond7 (unregistering): Released all slaves
bond6 (unregistering): Released all slaves
bond5 (unregistering): Released all slaves
bond4 (unregistering): Released all slaves
bond3 (unregistering): Released all slaves
bond2 (unregistering): Released all slaves
bond1 (unregistering): Released all slaves
team0 (unregistering): Port device team_slave_1 removed
team0 (unregistering): Port device team_slave_0 removed
bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
bond0 (unregistering): Released all slaves
bridge0 (unregistering): left allmulticast mode