INFO: task kworker/u8:11:6747 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/u8:11   state:D stack:0     pid:6747  tgid:6747  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 kworker/R-kvfre/6:
 #0: ffff80008f7113c8 (wq_pool_attach_mutex){+.+.}-{4:4}, at: raw_spin_rq_lock_nested kernel/sched/core.c:606 [inline]
 #0: ffff80008f7113c8 (wq_pool_attach_mutex){+.+.}-{4:4}, at: raw_spin_rq_lock kernel/sched/sched.h:1532 [inline]
 #0: ffff80008f7113c8 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rq_lock kernel/sched/sched.h:1856 [inline]
 #0: ffff80008f7113c8 (wq_pool_attach_mutex){+.+.}-{4:4}, at: __schedule+0x340/0x2a14 kernel/sched/core.c:6710
3 locks held by kworker/u8:0/12:
3 locks held by kworker/u8:1/14:
3 locks held by kworker/1:0/24:
 #0: ffff0000c0028d48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x63c/0x155c kernel/workqueue.c:3212
 #1: ffff800097b67bc0 (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
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:
2 locks held by kswapd0/74:
3 locks held by kworker/u8:4/202:
2 locks held by kworker/u8:5/324:
3 locks held by kworker/u8:6/1593:
3 locks held by kworker/u8:7/1614:
3 locks held by kworker/u8:8/4091:
3 locks held by kworker/R-ipv6_/4172:
 #0: ffff0000d2bba948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x63c/0x155c kernel/workqueue.c:3212
 #1: ffff8000a1467ba0 ((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
1 lock held by klogd/6130:
1 lock held by dhcpcd/6195:
1 lock held by dhcpcd/6196:
2 locks held by getty/6286:
 #0: ffff0000d32ce0a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340
 #1: ffff80009ba4b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x34c/0xfa4 drivers/tty/n_tty.c:2222
2 locks held by syz-executor/6526:
2 locks held by syz-executor/6533:
 #0: ffff80008ff9c668 (bio_slab_lock){+.+.}-{4:4}, at: bio_put_slab block/bio.c:140 [inline]
 #0: ffff80008ff9c668 (bio_slab_lock){+.+.}-{4:4}, at: bioset_exit+0x1f8/0x3dc block/bio.c:1758
 #1: ffff80008f86f3c0 (rcu_state.barrier_mutex){+.+.}-{4:4}, at: rcu_barrier+0x58/0x528 kernel/rcu/tree.c:3786
2 locks held by syz-executor/6534:
1 lock held by udevd/6543:
3 locks held by kworker/0:8/6637:
3 locks held by kworker/u8:9/6673:
3 locks held by kworker/u8:10/6700:
2 locks held by udevd/6703:
4 locks held by kworker/u8:11/6747:
 #0: ffff0000c0031948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x63c/0x155c kernel/workqueue.c:3212
 #1: ffff8000a0cd7bc0 ((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: ffff0000cac98768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6062 [inline]
 #3: ffff0000cac98768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: reg_leave_invalid_chans net/wireless/reg.c:2471 [inline]
 #3: ffff0000cac98768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: reg_check_chans_work+0x11c/0xd88 net/wireless/reg.c:2486
1 lock held by syz-executor/6892:
3 locks held by udevd/7315:
3 locks held by kworker/u8:13/7490:
7 locks held by syz-executor/8353:
1 lock held by btrfs-transacti/8627:
 #0: ffff0000da4a4830 (&fs_info->transaction_kthread_mutex){+.+.}-{4:4}, at: transaction_kthread+0xc8/0x430 fs/btrfs/disk-io.c:1560
1 lock held by udevadm/8646:
3 locks held by kworker/u8:15/8682:
3 locks held by syz-executor/8687:
2 locks held by kworker/0:9/8688:

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