INFO: task kworker/0:0:9 blocked for more than 147 seconds.
      Not tainted 6.16.0-rc7-syzkaller-g82af5ea7c611 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:0     state:D stack:0     pid:9     tgid:9     ppid:2      task_flags:0x4208060 flags:0x00000010
Workqueue: events reg_todo
Call trace:
 __switch_to+0x418/0x87c arch/arm64/kernel/process.c:741 (T)
 context_switch kernel/sched/core.c:5397 [inline]
 __schedule+0x141c/0x2a14 kernel/sched/core.c:6786
 __schedule_loop kernel/sched/core.c:6864 [inline]
 schedule+0xb4/0x230 kernel/sched/core.c:6879
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6936
 __mutex_lock_common+0xbd0/0x2190 kernel/locking/mutex.c:679
 __mutex_lock kernel/locking/mutex.c:747 [inline]
 mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:799
 class_wiphy_constructor include/net/cfg80211.h:6062 [inline]
 reg_process_self_managed_hints+0xc4/0x1c0 net/wireless/reg.c:3209
 reg_todo+0x834/0x968 net/wireless/reg.c:3222
 process_one_work+0x7e8/0x155c kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3321 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3402
 kthread+0x5fc/0x75c kernel/kthread.c:464
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844

Showing all locks held in the system:
1 lock held by kthreadd/2:
4 locks held by kworker/0:0/9:
 #0: ffff0000c0028d48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x63c/0x155c kernel/workqueue.c:3212
 #1: ffff800097a67bc0 (reg_work){+.+.}-{0:0}, at: process_one_work+0x6d4/0x155c kernel/workqueue.c:3212
 #2: ffff8000928c7ba8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
 #3: ffff0000d9cf0768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6062 [inline]
 #3: ffff0000d9cf0768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: reg_process_self_managed_hints+0xc4/0x1c0 net/wireless/reg.c:3209
4 locks held by kworker/u8:0/12:
3 locks held by kworker/u8:1/14:
4 locks held by kworker/1:1/26:
1 lock held by khungtaskd/32:
 #0: ffff80008f869980 (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: ffff0000c0031948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x63c/0x155c kernel/workqueue.c:3212
 #1: ffff800099107bc0 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work+0x6d4/0x155c kernel/workqueue.c:3212
 #2: ffff8000928c7ba8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
3 locks held by kworker/u8:4/284:
3 locks held by kworker/u8:5/450:
3 locks held by kworker/u8:6/646:
6 locks held by kworker/u8:7/685:
3 locks held by kworker/u8:8/719:
2 locks held by kworker/1:2/1815:
3 locks held by kworker/u8:9/2107:
3 locks held by kworker/R-ipv6_/4173:
 #0: ffff0000d2388948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x63c/0x155c kernel/workqueue.c:3212
 #1: ffff8000a2257ba0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6d4/0x155c kernel/workqueue.c:3212
 #2: ffff8000928c7ba8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
2 locks held by kworker/R-bat_e/4254:
3 locks held by kworker/u8:10/5452:
 #0: ffff0000c0031948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x63c/0x155c kernel/workqueue.c:3212
 #1: ffff80009d717bc0 ((crda_timeout).work){+.+.}-{0:0}, at: process_one_work+0x6d4/0x155c kernel/workqueue.c:3212
 #2: ffff8000928c7ba8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
1 lock held by klogd/6132:
1 lock held by udevd/6143:
1 lock held by dhcpcd/6197:
1 lock held by dhcpcd/6198:
2 locks held by getty/6289:
 #0: ffff0000c32740a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff80009ba3e2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x34c/0xfa4 drivers/tty/n_tty.c:2222
2 locks held by udevd/6520:
1 lock held by syz-executor/6526:
1 lock held by syz-executor/6527:
 #0: ffff0000d09b40e0 (&type->s_umount_key#71){+.+.}-{4:4}, at: __super_lock fs/super.c:57 [inline]
 #0: ffff0000d09b40e0 (&type->s_umount_key#71){+.+.}-{4:4}, at: __super_lock_excl fs/super.c:72 [inline]
 #0: ffff0000d09b40e0 (&type->s_umount_key#71){+.+.}-{4:4}, at: deactivate_super+0xd8/0x100 fs/super.c:506
2 locks held by kworker/1:3/6528:
2 locks held by syz-executor/6536:
2 locks held by kworker/1:6/6641:
3 locks held by kworker/u8:11/6697:
3 locks held by kworker/u8:12/6700:
1 lock held by udevd/6739:
4 locks held by syz-executor/7722:
 #0: ffff0000c7590dc0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_dev_do_close net/bluetooth/hci_core.c:499 [inline]
 #0: ffff0000c7590dc0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_unregister_dev+0x1f8/0x4bc net/bluetooth/hci_core.c:2717
 #1: ffff0000c75900b8 (&hdev->lock){+.+.}-{4:4}, at: hci_dev_close_sync+0x4c4/0x1154 net/bluetooth/hci_sync.c:5282
 #2: ffff800092a307a8 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_disconn_cfm include/net/bluetooth/hci_core.h:2071 [inline]
 #2: ffff800092a307a8 (hci_cb_list_lock){+.+.}-{4:4}, at: hci_conn_hash_flush+0xac/0x214 net/bluetooth/hci_conn.c:2560
 #3: ffff0000c9c36b38 (&conn->lock#2){+.+.}-{4:4}, at: l2cap_conn_del+0x74/0x5f0 net/bluetooth/l2cap_core.c:1762
3 locks held by kworker/u8:13/7724:
4 locks held by kworker/u8:14/7725:
4 locks held by syz-executor/7726:

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