mac80211_hwsim hwsim12 wlan0 (unregistering): left allmulticast mode ====================================================== WARNING: possible circular locking dependency detected 6.9.0-rc5-syzkaller-01160-g2bd87951de65 #0 Not tainted ------------------------------------------------------ kworker/u8:4/61 is trying to acquire lock: ffff88802a018d20 (team->team_lock_key#7){+.+.}-{3:3}, at: team_port_change_check+0x51/0x1e0 drivers/net/team/team_core.c:2950 but task is already holding lock: ffff88805bc58768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: wiphy_lock include/net/cfg80211.h:5963 [inline] ffff88805bc58768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: ieee80211_remove_interfaces+0x12b/0x700 net/mac80211/iface.c:2282 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&rdev->wiphy.mtx){+.+.}-{3:3}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754 __mutex_lock_common kernel/locking/mutex.c:608 [inline] __mutex_lock+0x136/0xd70 kernel/locking/mutex.c:752 wiphy_lock include/net/cfg80211.h:5963 [inline] cfg80211_netdev_notifier_call+0x308/0x1490 net/wireless/core.c:1524 notifier_call_chain+0x19f/0x3e0 kernel/notifier.c:93 call_netdevice_notifiers_extack net/core/dev.c:2016 [inline] call_netdevice_notifiers net/core/dev.c:2030 [inline] dev_open+0x13a/0x1b0 net/core/dev.c:1499 team_port_add drivers/net/team/team_core.c:1216 [inline] team_add_slave+0x9b3/0x2750 drivers/net/team/team_core.c:1976 do_set_master net/core/rtnetlink.c:2685 [inline] do_setlink+0xe70/0x41f0 net/core/rtnetlink.c:2891 __rtnl_newlink net/core/rtnetlink.c:3680 [inline] rtnl_newlink+0x180b/0x20a0 net/core/rtnetlink.c:3727 rtnetlink_rcv_msg+0x89b/0x10d0 net/core/rtnetlink.c:6594 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2564 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline] netlink_unicast+0x7ea/0x980 net/netlink/af_netlink.c:1361 netlink_sendmsg+0x8e1/0xcb0 net/netlink/af_netlink.c:1905 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:745 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2584 ___sys_sendmsg net/socket.c:2638 [inline] __sys_sendmsg+0x2b0/0x3a0 net/socket.c:2667 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #0 (team->team_lock_key#7){+.+.}-{3:3}: check_prev_add kernel/locking/lockdep.c:3134 [inline] check_prevs_add kernel/locking/lockdep.c:3253 [inline] validate_chain+0x18cb/0x58e0 kernel/locking/lockdep.c:3869 __lock_acquire+0x1346/0x1fd0 kernel/locking/lockdep.c:5137 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754 __mutex_lock_common kernel/locking/mutex.c:608 [inline] __mutex_lock+0x136/0xd70 kernel/locking/mutex.c:752 team_port_change_check+0x51/0x1e0 drivers/net/team/team_core.c:2950 team_device_event+0x161/0x5b0 drivers/net/team/team_core.c:2976 notifier_call_chain+0x19f/0x3e0 kernel/notifier.c:93 call_netdevice_notifiers_extack net/core/dev.c:2016 [inline] call_netdevice_notifiers net/core/dev.c:2030 [inline] dev_close_many+0x33c/0x4c0 net/core/dev.c:1571 unregister_netdevice_many_notify+0x544/0x16e0 net/core/dev.c:11180 macvlan_device_event+0x7e0/0x870 drivers/net/macvlan.c:1828 notifier_call_chain+0x19f/0x3e0 kernel/notifier.c:93 call_netdevice_notifiers_extack net/core/dev.c:2016 [inline] call_netdevice_notifiers net/core/dev.c:2030 [inline] unregister_netdevice_many_notify+0xd9b/0x16e0 net/core/dev.c:11205 unregister_netdevice_many net/core/dev.c:11263 [inline] unregister_netdevice_queue+0x303/0x370 net/core/dev.c:11142 unregister_netdevice include/linux/netdevice.h:3118 [inline] _cfg80211_unregister_wdev+0x162/0x560 net/wireless/core.c:1206 ieee80211_remove_interfaces+0x4db/0x700 net/mac80211/iface.c:2307 ieee80211_unregister_hw+0x5d/0x2c0 net/mac80211/main.c:1652 mac80211_hwsim_del_radio+0x2c2/0x4c0 drivers/net/wireless/virtual/mac80211_hwsim.c:5570 hwsim_exit_net+0x5c1/0x670 drivers/net/wireless/virtual/mac80211_hwsim.c:6447 ops_exit_list net/core/net_namespace.c:170 [inline] cleanup_net+0x802/0xcc0 net/core/net_namespace.c:637 process_one_work kernel/workqueue.c:3254 [inline] process_scheduled_works+0xa10/0x17c0 kernel/workqueue.c:3335 worker_thread+0x86d/0xd70 kernel/workqueue.c:3416 kthread+0x2f0/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&rdev->wiphy.mtx); lock(team->team_lock_key#7); lock(&rdev->wiphy.mtx); lock(team->team_lock_key#7); *** DEADLOCK *** 5 locks held by kworker/u8:4/61: #0: ffff888015ecd948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3229 [inline] #0: ffff888015ecd948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x8e0/0x17c0 kernel/workqueue.c:3335 #1: ffffc900015c7d00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3230 [inline] #1: ffffc900015c7d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x91b/0x17c0 kernel/workqueue.c:3335 #2: ffffffff8f59b4d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 net/core/net_namespace.c:591 #3: ffffffff8f5a7dc8 (rtnl_mutex){+.+.}-{3:3}, at: ieee80211_unregister_hw+0x55/0x2c0 net/mac80211/main.c:1645 #4: ffff88805bc58768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: wiphy_lock include/net/cfg80211.h:5963 [inline] #4: ffff88805bc58768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: ieee80211_remove_interfaces+0x12b/0x700 net/mac80211/iface.c:2282 stack backtrace: CPU: 0 PID: 61 Comm: kworker/u8:4 Not tainted 6.9.0-rc5-syzkaller-01160-g2bd87951de65 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: netns cleanup_net Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114 check_noncircular+0x36a/0x4a0 kernel/locking/lockdep.c:2187 check_prev_add kernel/locking/lockdep.c:3134 [inline] check_prevs_add kernel/locking/lockdep.c:3253 [inline] validate_chain+0x18cb/0x58e0 kernel/locking/lockdep.c:3869 __lock_acquire+0x1346/0x1fd0 kernel/locking/lockdep.c:5137 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754 __mutex_lock_common kernel/locking/mutex.c:608 [inline] __mutex_lock+0x136/0xd70 kernel/locking/mutex.c:752 team_port_change_check+0x51/0x1e0 drivers/net/team/team_core.c:2950 team_device_event+0x161/0x5b0 drivers/net/team/team_core.c:2976 notifier_call_chain+0x19f/0x3e0 kernel/notifier.c:93 call_netdevice_notifiers_extack net/core/dev.c:2016 [inline] call_netdevice_notifiers net/core/dev.c:2030 [inline] dev_close_many+0x33c/0x4c0 net/core/dev.c:1571 unregister_netdevice_many_notify+0x544/0x16e0 net/core/dev.c:11180 macvlan_device_event+0x7e0/0x870 drivers/net/macvlan.c:1828 notifier_call_chain+0x19f/0x3e0 kernel/notifier.c:93 call_netdevice_notifiers_extack net/core/dev.c:2016 [inline] call_netdevice_notifiers net/core/dev.c:2030 [inline] unregister_netdevice_many_notify+0xd9b/0x16e0 net/core/dev.c:11205 unregister_netdevice_many net/core/dev.c:11263 [inline] unregister_netdevice_queue+0x303/0x370 net/core/dev.c:11142 unregister_netdevice include/linux/netdevice.h:3118 [inline] _cfg80211_unregister_wdev+0x162/0x560 net/wireless/core.c:1206 ieee80211_remove_interfaces+0x4db/0x700 net/mac80211/iface.c:2307 ieee80211_unregister_hw+0x5d/0x2c0 net/mac80211/main.c:1652 mac80211_hwsim_del_radio+0x2c2/0x4c0 drivers/net/wireless/virtual/mac80211_hwsim.c:5570 hwsim_exit_net+0x5c1/0x670 drivers/net/wireless/virtual/mac80211_hwsim.c:6447 ops_exit_list net/core/net_namespace.c:170 [inline] cleanup_net+0x802/0xcc0 net/core/net_namespace.c:637 process_one_work kernel/workqueue.c:3254 [inline] process_scheduled_works+0xa10/0x17c0 kernel/workqueue.c:3335 worker_thread+0x86d/0xd70 kernel/workqueue.c:3416 kthread+0x2f0/0x390 kernel/kthread.c:388 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 team0: Port device macvlan3 removed hsr_slave_0: left promiscuous mode hsr_slave_1: left promiscuous mode batman_adv: batadv0: Interface deactivated: batadv_slave_0 batman_adv: batadv0: Removing interface: batadv_slave_0 batman_adv: batadv0: Interface deactivated: batadv_slave_1 batman_adv: batadv0: Removing interface: batadv_slave_1 batman_adv: batadv0: Removing interface: macsec1 vlan1: left allmulticast mode veth1_macvtap: left promiscuous mode veth0_macvtap: left promiscuous mode veth1_vlan: left promiscuous mode pim6reg9 (unregistering): left allmulticast mode pim6reg (unregistering): left allmulticast mode net veth1_virt_wifi virt_wifi0 (unregistering): left allmulticast mode team0 (unregistering): Port device virt_wifi0 removed team_slave_1 (unregistering): left allmulticast mode team0 (unregistering): Port device team_slave_1 removed team_slave_0 (unregistering): left allmulticast mode team0 (unregistering): Port device team_slave_0 removed team0 (unregistering): left allmulticast mode IPVS: stop unused estimator thread 0...