INFO: task kworker/u8:13:7277 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/u8:13   state:D stack:0     pid:7277  tgid:7277  ppid:2      task_flags:0x4208060 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/u8:0/12:
 #0: ffff0000c0031148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212
 #1: ffff800097657bc0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212
3 locks held by kworker/u8:1/14:
2 locks held by kworker/1:0/24:
2 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/u8:2/44:
2 locks held by kworker/u8:3/45:
 #0: ffff0000c0031148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212
 #1: ffff800097d67bc0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212
3 locks held by kworker/u8:4/183:
 #0: ffff0000d2902148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212
 #1: ffff80009b4f7bc0 ((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
2 locks held by kworker/u8:5/449:
 #0: ffff0000c0031148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212
 #1: ffff80009c457bc0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212
3 locks held by kworker/u8:6/488:
2 locks held by kworker/u8:7/531:
 #0: ffff0000c0031148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212
 #1: ffff80009c727bc0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212
2 locks held by kworker/u8:8/576:
 #0: ffff0000c0031148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212
 #1: ffff80009caf7bc0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212
2 locks held by kworker/u8:9/674:
 #0: ffff0000c0031148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212
 #1: ffff80009d077bc0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212
3 locks held by kworker/u8:10/729:
3 locks held by kworker/u8:11/825:
3 locks held by kworker/0:2/1806:
4 locks held by kworker/R-bat_e/4223:
4 locks held by kworker/1:2/6071:
2 locks held by udevd/6107:
2 locks held by dhcpcd/6161:
3 locks held by dhcpcd/6162:
2 locks held by getty/6258:
 #0: ffff0000d86f00a0 (&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 sshd-session/6479:
1 lock held by syz-executor/6480:
2 locks held by syz-executor/6493:
1 lock held by syz-executor/6499:
 #0: ffff80009248e928 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80
3 locks held by syz-executor/6501:
2 locks held by kworker/R-wg-cr/6539:
2 locks held by kworker/0:3/6542:
3 locks held by kworker/0:4/6543:
2 locks held by kworker/1:4/6549:
 #0: ffff0000c0028d48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212
 #1: ffff8000a10b7bc0 (xfrm_state_gc_work){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212
3 locks held by kworker/1:5/6574:
 #0: ffff0000c0028d48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212
 #1: ffff8000a1027bc0 (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
2 locks held by kworker/u8:12/7273:
 #0: ffff0000c0031148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212
 #1: ffff80009c537bc0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212
4 locks held by kworker/u8:13/7277:
 #0: ffff0000c0031948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212
 #1: ffff80009c5e7bc0 ((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: ffff0000cd6c0768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6092 [inline]
 #3: ffff0000cd6c0768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: reg_leave_invalid_chans net/wireless/reg.c:2471 [inline]
 #3: ffff0000cd6c0768 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: reg_check_chans_work+0x11c/0xd88 net/wireless/reg.c:2486
2 locks held by kworker/u8:14/7283:
 #0: ffff0000c0031148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212
 #1: ffff80009c2b7bc0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212
2 locks held by kworker/u8:15/7288:
 #0: ffff0000c0031148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212
 #1: ffff80009c267bc0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212
3 locks held by kworker/u8:16/7292:
2 locks held by kworker/u8:17/7295:
 #0: ffff0000c0031148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212
 #1: ffff80009c207bc0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212
3 locks held by kworker/u8:18/7297:
2 locks held by kworker/u8:19/7299:
 #0: ffff0000c0031148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212
 #1: ffff80009c1c7bc0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212
2 locks held by kworker/u8:20/7301:
 #0: ffff0000c0031148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212
 #1: ffff80009c1a7bc0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212
2 locks held by kworker/u8:21/7302:
 #0: ffff0000c0031148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212
 #1: ffff80009c197bc0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212
2 locks held by kworker/u8:22/7373:
 #0: ffff0000c0031148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212
 #1: ffff80009c057bc0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212
2 locks held by kworker/u8:23/7375:
 #0: ffff0000c0031148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212
 #1: ffff80009c077bc0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212
3 locks held by kworker/u8:24/7383:
1 lock held by syz.1.255/7593:
2 locks held by modprobe/7601:
2 locks held by modprobe/7604:
2 locks held by modprobe/7605:
2 locks held by modprobe/7607:
 #0: ffff0000d9e61b50 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock_killable include/linux/mmap_lock.h:146 [inline]
 #0: ffff0000d9e61b50 (&mm->mmap_lock){++++}-{4:4}, at: vm_mmap_pgoff+0x180/0x43c mm/util.c:577
 #1: ffff0000d86a4420 (sb_writers#3){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2599 [inline]
 #1: ffff0000d86a4420 (sb_writers#3){.+.+}-{0:0}, at: ext4_file_mmap+0x1a4/0x4f4 fs/ext4/file.c:822
2 locks held by modprobe/7608:
3 locks held by syz-executor/7609:
2 locks held by modprobe/7611:
2 locks held by modprobe/7612:
2 locks held by modprobe/7614:
1 lock held by modprobe/7615:
 #0: ffff0000d86a4420 (sb_writers#3){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2599 [inline]
 #0: ffff0000d86a4420 (sb_writers#3){.+.+}-{0:0}, at: filemap_read+0xde8/0xf4c mm/filemap.c:2774
1 lock held by modprobe/7617:
 #0: ffff0000d86a4420 (sb_writers#3){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2599 [inline]
 #0: ffff0000d86a4420 (sb_writers#3){.+.+}-{0:0}, at: filemap_read+0xde8/0xf4c mm/filemap.c:2774
2 locks held by modprobe/7618:
2 locks held by kworker/u8:25/7619:
 #0: ffff0000c0031148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212
 #1: ffff8000a0ff7bc0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212
2 locks held by kworker/u8:26/7621:
 #0: ffff0000c0031148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x658/0x156c kernel/workqueue.c:3212
 #1: ffff8000a4b27bc0 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x6ec/0x156c kernel/workqueue.c:3212
2 locks held by modprobe/7622:
3 locks held by modprobe/7623:
2 locks held by kworker/u8:27/7624:
3 locks held by kworker/u8:23/7625:
2 locks held by modprobe/7626:
3 locks held by kworker/u8:28/7628:
2 locks held by kworker/u8:19/7630:
 #0: ffff0000c754b490 (&sig->cred_guard_mutex){+.+.}-{4:4}, at: prepare_bprm_creds fs/exec.c:1469 [inline]
 #0: ffff0000c754b490 (&sig->cred_guard_mutex){+.+.}-{4:4}, at: bprm_execve+0xa8/0x10dc fs/exec.c:1842
 #1: ffff0000d86a4420 (sb_writers#3){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2599 [inline]
 #1: ffff0000d86a4420 (sb_writers#3){.+.+}-{0:0}, at: filemap_read+0xde8/0xf4c mm/filemap.c:2774
1 lock held by kworker/u8:25/7631:

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