INFO: task kworker/u8:1:14 blocked for more than 144 seconds.
      Not tainted 6.15.0-rc7-syzkaller-gd7fa1af5b33e #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:0x4208160 flags:0x00000010
Workqueue: events_power_efficient reg_check_chans_work
Call trace:
 __switch_to+0x414/0x834 arch/arm64/kernel/process.c:735 (T)
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0x13b0/0x28d4 kernel/sched/core.c:6767
 __schedule_loop kernel/sched/core.c:6845 [inline]
 schedule+0xb4/0x230 kernel/sched/core.c:6860
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6917
 __mutex_lock_common+0xbd0/0x2190 kernel/locking/mutex.c:678
 __mutex_lock kernel/locking/mutex.c:746 [inline]
 mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:798
 class_wiphy_constructor include/net/cfg80211.h:6092 [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+0x7e8/0x156c kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3400
 kthread+0x5fc/0x75c kernel/kthread.c:464
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:847

Showing all locks held in the system:
1 lock held by kthreadd/2:
2 locks held by kworker/0:1/11:
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+0x658/0x156c kernel/workqueue.c:3212
 #1: ffff800097677bc0 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212
 #2: ffff80009248e928 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
 #3: ffff0000f30e0768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6092 [inline]
 #3: ffff0000f30e0768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: reg_leave_invalid_chans net/wireless/reg.c:2471 [inline]
 #3: ffff0000f30e0768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: reg_check_chans_work+0x11c/0xd88 net/wireless/reg.c:2486
3 locks held by kworker/1:0/24:
3 locks held by kworker/1:1/26:
1 lock held by khungtaskd/32:
 #0: ffff80008f508920 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire+0x4/0x48 include/linux/rcupdate.h:330
3 locks held by kworker/u8:2/39:
3 locks held by kworker/u8:3/45:
4 locks held by kworker/u8:4/158:
3 locks held by kworker/u8:5/478:
3 locks held by kworker/u8:6/578:
 #0: ffff0000d297d148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212
 #1: ffff80009c5d7bc0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212
 #2: ffff80009248e928 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
3 locks held by kworker/u8:7/653:
4 locks held by kworker/u8:8/740:
3 locks held by kworker/u8:9/2133:
2 locks held by kworker/u8:10/2200:
4 locks held by kworker/1:2/2300:
2 locks held by kworker/R-bat_e/4223:
1 lock held by klogd/6095:
2 locks held by udevd/6106:
1 lock held by dhcpcd/6160:
1 lock held by dhcpcd/6161:
2 locks held by getty/6256:
 #0: ffff0000d32fc0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff80009b5ce2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x34c/0xfa0 drivers/tty/n_tty.c:2222
2 locks held by udevd/6481:
2 locks held by syz-executor/6489:
 #0: ffff80008fc26ea8 (bio_slab_lock){+.+.}-{4:4}, at: bio_put_slab block/bio.c:140 [inline]
 #0: ffff80008fc26ea8 (bio_slab_lock){+.+.}-{4:4}, at: bioset_exit+0x1f8/0x3dc block/bio.c:1664
 #1: ffff80008f50e300 (rcu_state.barrier_mutex){+.+.}-{4:4}, at: rcu_barrier+0x58/0x528 kernel/rcu/tree.c:3774
3 locks held by kworker/0:3/6490:
 #0: ffff0000c0028d48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212
 #1: ffff8000a3807bc0 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212
 #2: ffff80009248e928 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
1 lock held by syz-executor/6495:
 #0: ffff80008f50e438 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock kernel/rcu/tree_exp.h:304 [inline]
 #0: ffff80008f50e438 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x338/0x624 kernel/rcu/tree_exp.h:998
1 lock held by syz-executor/6496:
3 locks held by kworker/0:7/6542:
3 locks held by kworker/1:4/6544:
4 locks held by kworker/1:5/6571:
3 locks held by kworker/u8:11/7020:
3 locks held by kworker/u8:12/7095:
3 locks held by kworker/u8:13/7096:
3 locks held by kworker/u8:14/7161:
2 locks held by syz.3.512/8915:
 #0: ffff0000dab840e0 (&type->s_umount_key#26/1){+.+.}-{4:4}, at: alloc_super+0x1a0/0x80c fs/super.c:344
 #1: ffff80008f5be0c8 (lock#2){+.+.}-{4:4}, at: __lru_add_drain_all+0x88/0x4dc mm/swap.c:830
2 locks held by kworker/u8:15/8920:
3 locks held by kworker/u8:16/8921:
4 locks held by kworker/1:6/8922:
2 locks held by syz-executor/8924:

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