INFO: task kworker/1:5:6578 blocked for more than 146 seconds.
      Not tainted 6.16.0-rc1-syzkaller-g39dfc971e42d #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:5     state:D stack:0     pid:6578  tgid:6578  ppid:2      task_flags:0x4208060 flags:0x00000010
Workqueue: events reg_todo
Call trace:
 __switch_to+0x414/0x834 arch/arm64/kernel/process.c:737 (T)
 context_switch kernel/sched/core.c:5396 [inline]
 __schedule+0x1414/0x2a28 kernel/sched/core.c:6785
 __schedule_loop kernel/sched/core.c:6863 [inline]
 schedule+0xb4/0x230 kernel/sched/core.c:6878
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:6935
 __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:847

Showing all locks held in the system:
1 lock held by kthreadd/2:
6 locks held by kworker/u8:0/12:
 #0: ffff0000c231a148 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x63c/0x155c kernel/workqueue.c:3212
 #1: ffff800097a47bc0 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x6d4/0x155c kernel/workqueue.c:3212
 #2: ffff0000d73e40e0 (&type->s_umount_key#30){++++}-{4:4}, at: super_trylock_shared+0x24/0xdc fs/super.c:563
 #3: ffff0000d73e6b98 (&sbi->s_writepages_rwsem){++++}-{0:0}
, at: percpu_down_read include/linux/percpu-rwsem.h:77 [inline]
, at: ext4_writepages_down_read fs/ext4/ext4.h:1804 [inline]
, at: ext4_writepages+0x150/0x2a0 fs/ext4/inode.c:2952
 #4: ffff0000d73ea950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xe4c/0x10dc fs/jbd2/transaction.c:442