INFO: task kworker/u8:3:42 blocked for more than 146 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:3    state:D stack:0     pid:42    tgid:42    ppid:2      task_flags:0x4208060 flags:0x00000010
Workqueue: cfg80211 cfg80211_event_work
Call trace:
 __switch_to+0x418/0x87c arch/arm64/kernel/process.c:742 (T)
 context_switch kernel/sched/core.c:5256 [inline]
 __schedule+0x1250/0x2a7c kernel/sched/core.c:6863
 __schedule_loop kernel/sched/core.c:6945 [inline]
 schedule+0xb4/0x230 kernel/sched/core.c:6960
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7017
 __mutex_lock_common+0xd04/0x2678 kernel/locking/mutex.c:692
 __mutex_lock kernel/locking/mutex.c:776 [inline]
 mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:828
 class_wiphy_constructor include/net/cfg80211.h:6363 [inline]
 cfg80211_event_work+0x28/0x70 net/wireless/core.c:332
 process_one_work+0x7c0/0x1558 kernel/workqueue.c:3257
 process_scheduled_works kernel/workqueue.c:3340 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3421
 kthread+0x5fc/0x75c kernel/kthread.c:463
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844

Showing all locks held in the system:
3 locks held by kworker/u8:0/12:
 #0: ffff0000c0032148 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x63c/0x1558 kernel/workqueue.c:3231
 #1: ffff800097cf7be0 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work+0x6d0/0x1558 kernel/workqueue.c:3231
 #2: ffff800092ae4928 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
3 locks held by kworker/u8:1/13:
1 lock held by khungtaskd/32:
 #0: ffff80008fa5b6e0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:330
3 locks held by kworker/u8:2/41:
3 locks held by kworker/u8:3/42:
 #0: ffff0000c3727148 ((wq_completion)cfg80211){+.+.}-{0:0}, at: process_one_work+0x63c/0x1558 kernel/workqueue.c:3231
 #1: ffff800097ff7be0 ((work_completion)(&rdev->event_work)){+.+.}-{0:0}, at: process_one_work+0x6d0/0x1558 kernel/workqueue.c:3231
 #2: ffff0000d0330788 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6363 [inline]
 #2: ffff0000d0330788 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_event_work+0x28/0x70 net/wireless/core.c:332
1 lock held by pr/ttyAMA-1/43:
5 locks held by kworker/u9:0/53:
 #0: ffff0000d6a77948 ((wq_completion)hci3){+.+.}-{0:0}, at: process_one_work+0x63c/0x1558 kernel/workqueue.c:3231
 #1: ffff800099467be0 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work+0x6d0/0x1558 kernel/workqueue.c:3231
 #2: ffff0000c345cec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x184/0x38c net/bluetooth/hci_sync.c:331
 #3: ffff0000c345c0c0 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0x1d4/0xbb8 net/bluetooth/hci_sync.c:5702
 #4: ffff800092e51888 (uevent_sock_mutex){+.+.}-{4:4}, at: uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline]
 #4: ffff800092e51888 (uevent_sock_mutex){+.+.}-{4:4}, at: kobject_uevent_net_broadcast+0x24c/0x548 lib/kobject_uevent.c:410
3 locks held by kworker/u8:4/118:
3 locks held by kworker/u8:6/529:
3 locks held by kworker/u8:7/627:
 #0: ffff0000c0032148 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x63c/0x1558 kernel/workqueue.c:3231
 #1: ffff80009d667be0 ((crda_timeout).work){+.+.}-{0:0}, at: process_one_work+0x6d0/0x1558 kernel/workqueue.c:3231
 #2: ffff800092ae4928 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
5 locks held by kworker/u8:8/666:
3 locks held by kworker/u8:10/791:
3 locks held by kworker/u8:11/880:
 #0: ffff0000d339d148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x63c/0x1558 kernel/workqueue.c:3231
 #1: ffff80009e217be0 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6d0/0x1558 kernel/workqueue.c:3231
 #2: ffff800092ae4928 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
3 locks held by kworker/u8:13/1450:
3 locks held by kworker/u8:14/2282:
2 locks held by kworker/u8:16/3144:
3 locks held by kworker/u8:17/3916:
3 locks held by kworker/u8:19/5076:
3 locks held by kworker/u8:20/5684:
6 locks held by kworker/u8:21/5923:
1 lock held by klogd/6200:
2 locks held by udevd/6211:
2 locks held by getty/6354:
 #0: ffff0000da31a0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff800099f1e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x34c/0xfc8 drivers/tty/n_tty.c:2211
1 lock held by syz-executor/6570:
4 locks held by kworker/u9:2/6573:
 #0: ffff0000d6a73948 ((wq_completion)hci0){+.+.}-{0:0}, at: process_one_work+0x63c/0x1558 kernel/workqueue.c:3231
 #1: ffff80009f0f7be0 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work+0x6d0/0x1558 kernel/workqueue.c:3231
 #2: ffff0000cffa4ec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x184/0x38c net/bluetooth/hci_sync.c:331
 #3: ffff0000cffa40c0 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0x1d4/0xbb8 net/bluetooth/hci_sync.c:5702
4 locks held by syz-executor/6576:
1 lock held by syz-executor/6578:
 #0: ffff800092ae4928 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
1 lock held by syz-executor/6580:
 #0: ffff800092ae4928 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline]
 #0: ffff800092ae4928 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x5dc/0x97c net/core/rtnetlink.c:6964
5 locks held by kworker/u9:5/6582:
 #0: ffff0000c48d6148 ((wq_completion)hci1){+.+.}-{0:0}, at: process_one_work+0x63c/0x1558 kernel/workqueue.c:3231
 #1: ffff80009f0a7be0 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work+0x6d0/0x1558 kernel/workqueue.c:3231
 #2: ffff0000de680ec0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x184/0x38c net/bluetooth/hci_sync.c:331
 #3: ffff0000de6800c0 (&hdev->lock){+.+.}-{4:4}, at: hci_abort_conn_sync+0x1d4/0xbb8 net/bluetooth/hci_sync.c:5702
 #4: ffff800092e51888 (uevent_sock_mutex){+.+.}-{4:4}, at: uevent_net_broadcast_untagged lib/kobject_uevent.c:317 [inline]
 #4: ffff800092e51888 (uevent_sock_mutex){+.+.}-{4:4}, at: kobject_uevent_net_broadcast+0x24c/0x548 lib/kobject_uevent.c:410
4 locks held by kworker/0:6/6634:
 #0: ffff0000c0029948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x63c/0x1558 kernel/workqueue.c:3231
 #1: ffff8000b2177be0 (reg_work){+.+.}-{0:0}, at: process_one_work+0x6d0/0x1558 kernel/workqueue.c:3231
 #2: ffff800092ae4928 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
 #3: ffff0000d0330788 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6363 [inline]
 #3: ffff0000d0330788 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: reg_process_self_managed_hints+0x98/0x1dc net/wireless/reg.c:3179
2 locks held by kworker/0:7/6647:
2 locks held by udevd/6713:
4 locks held by kworker/0:13/6732:
2 locks held by kworker/u8:22/6734:
3 locks held by kworker/u8:24/6740:
3 locks held by kworker/u8:25/6741:
4 locks held by kworker/u8:27/6745:
1 lock held by dhcpcd/6747:

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