INFO: task kworker/u8:1:14 blocked for more than 143 seconds.
      Not tainted 6.16.0-rc7-syzkaller-g82af5ea7c611 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:1    state:D stack:0     pid:14    tgid:14    ppid:2      task_flags:0x4208060 flags:0x00000010
Workqueue: events_power_efficient reg_check_chans_work
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_leave_invalid_chans net/wireless/reg.c:2471 [inline]
 reg_check_chans_work+0x11c/0xd88 net/wireless/reg.c:2486
 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:
3 locks held by kworker/u8:0/12:
4 locks held by kworker/u8:1/14:
 #0: ffff0000c0031948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x63c/0x155c kernel/workqueue.c:3212
 #1: ffff800097ab7bc0 ((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: ffff0000c8ef8768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6062 [inline]
 #3: ffff0000c8ef8768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: reg_leave_invalid_chans net/wireless/reg.c:2471 [inline]
 #3: ffff0000c8ef8768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: reg_check_chans_work+0x11c/0xd88 net/wireless/reg.c:2486
2 locks held by kworker/1:0/24:
1 lock held by khungtaskd/32:
 #0: ffff80008f869980 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:330
2 locks held by kworker/u8:2/41:
3 locks held by kworker/u8:3/42:
3 locks held by kworker/u8:4/43:
2 locks held by kswapd0/75:
3 locks held by kworker/u8:5/149:
4 locks held by kworker/u8:6/179:
3 locks held by kworker/u8:7/287:
3 locks held by kworker/u8:8/1975:
3 locks held by kworker/u8:9/2161:
3 locks held by kworker/u8:10/2244:
2 locks held by kworker/0:2/2314:
2 locks held by kworker/1:2/3920:
3 locks held by kworker/R-ipv6_/4174:
 #0: ffff0000d27eb948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x63c/0x155c kernel/workqueue.c:3212
 #1: ffff8000a2af7ba0 ((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/4255:
3 locks held by kworker/u8:11/4497:
2 locks held by getty/6294:
 #0: ffff0000d2fb90a0 (&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
3 locks held by sshd-session/6516:
1 lock held by syz-executor/6528:
4 locks held by syz-executor/6534:
2 locks held by syz-executor/6541:
1 lock held by kworker/R-wg-cr/6571:
3 locks held by kworker/1:4/6586:
 #0: ffff0000c0028d48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x63c/0x155c kernel/workqueue.c:3212
 #1: ffff8000b28e7bc0 (deferred_process_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/0:5/6606:
4 locks held by kworker/u8:12/6672:
3 locks held by kworker/u8:13/6673:
3 locks held by udevd/6725:
4 locks held by syz-executor/7682:
 #0: ffff0000cefdcdc0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_dev_do_close net/bluetooth/hci_core.c:499 [inline]
 #0: ffff0000cefdcdc0 (&hdev->req_lock){+.+.}-{4:4}, at: hci_unregister_dev+0x1f8/0x4bc net/bluetooth/hci_core.c:2717
 #1: ffff0000cefdc0b8 (&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: ffff0001058b7b38 (&conn->lock#2){+.+.}-{4:4}, at: l2cap_conn_del+0x74/0x5f0 net/bluetooth/l2cap_core.c:1762
2 locks held by syz-executor/7981:
2 locks held by kworker/u8:14/8498:
3 locks held by dhcpcd/8499:
3 locks held by kworker/u8:15/8500:
3 locks held by kworker/u8:16/8502:
 #0: ffff0000c0031148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x63c/0x155c kernel/workqueue.c:3212
 #1: ffff80009c157bc0 ((work_completion)(&pool->idle_cull_work)){+.+.}-{0:0}, at: process_one_work+0x6d4/0x155c kernel/workqueue.c:3212
 #2: ffff80008f7113c8 (wq_pool_attach_mutex){+.+.}-{4:4}, at: idle_cull_fn+0xc4/0x60c kernel/workqueue.c:2960
2 locks held by syz-executor/8505:

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