BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 36s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=5 refcnt=6
    pending: 2*nsim_dev_hwstats_traffic_work, psi_avgs_work, 2*ovs_dp_masks_rebalance
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=16 refcnt=17
    in-flight: 2745:reg_todo
    pending: 4*nsim_dev_hwstats_traffic_work, 2*psi_avgs_work, 4*ovs_dp_masks_rebalance, free_obj_work, destroy_super_work, 2*psi_avgs_work, drm_fb_helper_damage_work
workqueue events_long: flags=0x0
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=6 refcnt=7
    pending: 6*defense_work_handler
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: defense_work_handler
workqueue events_unbound: flags=0x2
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=10 refcnt=11
    pending: 4*nsim_dev_trap_report_work, toggle_allocation_gate, nsim_dev_trap_report_work, 3*macvlan_process_broadcast, crng_reseed
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=24 refcnt=25
    in-flight: 5230:cfg80211_wiphy_work cfg80211_wiphy_work ,14:cfg80211_wiphy_work cfg80211_wiphy_work ,225:cfg80211_wiphy_work cfg80211_wiphy_work ,6953:cfg80211_wiphy_work cfg80211_wiphy_work ,41:cfg80211_wiphy_work cfg80211_wiphy_work ,42:cfg80211_wiphy_work ,12:cfg80211_wiphy_work cfg80211_wiphy_work ,2740:cfg80211_wiphy_work cfg80211_wiphy_work
    pending: 2*cfg80211_wiphy_work, 4*macvlan_process_broadcast, cfg80211_wiphy_work, nsim_dev_trap_report_work, flush_memcg_stats_dwork
workqueue events_power_efficient: flags=0x82
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=5 refcnt=6
    in-flight: 2734:neigh_periodic_work
    pending: 2*neigh_managed_work, gc_worker, do_cache_clean
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=4 refcnt=5
    pending: crda_timeout_work, fb_flashcursor, wg_ratelimiter_gc_entries, reg_check_chans_work
workqueue netns: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=4
    in-flight: 4414:cleanup_net
workqueue mm_percpu_wq: flags=0x8
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: vmstat_update
workqueue inet_frag_wq: flags=0x40008
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=3
    pending: fqdir_work_fn
    inactive: fqdir_work_fn
workqueue writeback: flags=0x4a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    in-flight: 7333:wb_workfn
workqueue bat_events: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=49
    in-flight: 4275(RESCUER):batadv_tt_purge
    inactive: batadv_bla_periodic_work, batadv_dat_purge, batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, 2*batadv_iv_send_outstanding_bat_ogm_packet, 4*batadv_purge_orig, 3*batadv_iv_send_outstanding_bat_ogm_packet, batadv_bla_periodic_work, 3*batadv_dat_purge, 2*batadv_bla_periodic_work, 4*batadv_tt_purge, batadv_dat_purge, batadv_bla_periodic_work, 9*batadv_iv_send_outstanding_bat_ogm_packet, batadv_nc_worker, 5*batadv_mcast_mla_update, 4*batadv_nc_worker
workqueue wg-crypt-wg0: flags=0x28
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker
workqueue wg-kex-wg1: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg1: flags=0x28
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_tx_worker, wg_packet_encrypt_worker, wg_packet_decrypt_worker
workqueue wg-crypt-wg2: flags=0x28
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker
workqueue wg-kex-wg0: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    in-flight: 2100:wg_packet_handshake_send_worker
workqueue wg-crypt-wg0: flags=0x28
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker
workqueue wg-kex-wg0: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg0: flags=0x28
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker
workqueue wg-kex-wg1: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg1: flags=0x28
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_worker
workqueue wg-crypt-wg2: flags=0x28
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_tx_worker, wg_packet_decrypt_worker, wg_packet_encrypt_worker
workqueue wg-crypt-wg1: flags=0x28
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_worker
workqueue wg-crypt-wg2: flags=0x28
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_worker
workqueue wg-crypt-wg0: flags=0x28
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker
workqueue wg-crypt-wg1: flags=0x28
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    in-flight: 10:wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_worker
workqueue wg-kex-wg2: flags=0x24
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-crypt-wg2: flags=0x28
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_worker
workqueue wg-crypt-wg0: flags=0x28
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker
workqueue wg-crypt-wg1: flags=0x28
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker, wg_packet_tx_worker
workqueue wg-kex-wg2: flags=0x24
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-crypt-wg2: flags=0x28
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_decrypt_worker, wg_packet_tx_worker, wg_packet_encrypt_worker
pool 2: cpus=0 node=0 flags=0x0 nice=0 hung=0s workers=5 idle: 9 3863 6605 6641
pool 6: cpus=1 node=0 flags=0x0 nice=0 hung=36s workers=9 idle: 6584 24 6635 26 1818 6577 6588 6587
pool 8: cpus=0-1 flags=0x6 nice=0 hung=0s workers=13 manager: 7541
Showing backtraces of running workers in stalled CPU-bound worker pools:
pool 6:
task:kworker/1:3     state:R  running task     stack:0     pid:2745  tgid:2745  ppid:2      task_flags:0x4208060 flags:0x00000010
Workqueue: events reg_todo
Call trace:
 __switch_to+0x418/0x87c arch/arm64/kernel/process.c:741 (T)
 context_switch kernel/sched/core.c:5357 [inline]
 __schedule+0x13b0/0x2864 kernel/sched/core.c:6961
 __schedule_loop kernel/sched/core.c:7043 [inline]
 schedule+0xb4/0x230 kernel/sched/core.c:7058
 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7115
 mutex_optimistic_spin+0x2ac/0x410 kernel/locking/mutex.c:498
 __mutex_lock_common+0x1fc/0x2678 kernel/locking/mutex.c:602
 __mutex_lock kernel/locking/mutex.c:760 [inline]
 mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:812
 class_wiphy_constructor include/net/cfg80211.h:6212 [inline]
 reg_process_self_managed_hints+0xc8/0x1dc net/wireless/reg.c:3209
 reg_todo+0x834/0x968 net/wireless/reg.c:3222
 process_one_work+0x7e8/0x155c kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3400
 kthread+0x5fc/0x75c kernel/kthread.c:463
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844