BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 157s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x100
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=15 refcnt=16
    pending: psi_avgs_work, vmstat_shepherd, 4*ovs_dp_masks_rebalance, rht_deferred_worker, 2*psi_avgs_work, 4*nsim_dev_hwstats_traffic_work, psi_avgs_work, rht_deferred_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=11 refcnt=12
    pending: 2*nsim_dev_hwstats_traffic_work, 2*psi_avgs_work, 2*ovs_dp_masks_rebalance, ima_keys_handler, switchdev_deferred_process_work, 2*rht_deferred_worker, free_obj_work
workqueue events_long: flags=0x100
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=6 refcnt=7
    pending: br_multicast_gc_work, defense_work_handler, 2*br_fdb_cleanup, br_multicast_gc_work, br_fdb_cleanup
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=10 refcnt=11
    in-flight: 5934:defense_work_handler
    pending: 4*defense_work_handler, 3*br_multicast_gc_work, 2*br_fdb_cleanup
workqueue events_unbound: flags=0x2
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: toggle_allocation_gate
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: flush_memcg_stats_dwork
workqueue events_unbound: flags=0x2
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=13 refcnt=14
    in-flight: 78:cfg80211_wiphy_work ,6174:cfg80211_wiphy_work cfg80211_wiphy_work
    pending: 2*cfg80211_wiphy_work, nsim_dev_trap_report_work, macvlan_process_broadcast, nsim_dev_trap_report_work, cfg80211_wiphy_work, nsim_dev_trap_report_work, macvlan_process_broadcast, 2*idle_cull_fn
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=26 refcnt=27
    in-flight: 49:cfg80211_wiphy_work cfg80211_wiphy_work ,58:cfg80211_wiphy_work cfg80211_wiphy_work ,3468:cfg80211_wiphy_work cfg80211_wiphy_work ,13:cfg80211_wiphy_work cfg80211_wiphy_work ,36:nsim_dev_trap_report_work ,12:cfg80211_wiphy_work ,3430:cfg80211_wiphy_work cfg80211_wiphy_work
    pending: cfg80211_wiphy_work, nsim_dev_trap_report_work, crng_reseed, 8*macvlan_process_broadcast, nsim_dev_trap_report_work, 2*idle_cull_fn
workqueue events_power_efficient: flags=0x180
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=9 refcnt=10
    in-flight: 1204:wg_ratelimiter_gc_entries
    pending: reg_check_chans_work, 2*check_lifetime, gc_worker, neigh_managed_work, neigh_periodic_work, check_lifetime, do_cache_clean
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=5 refcnt=6
    in-flight: 5815:neigh_periodic_work
    pending: neigh_managed_work, 3*check_lifetime
workqueue kvfree_rcu_reclaim: flags=0xa
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=2 refcnt=3
    pending: 2*kfree_rcu_monitor
workqueue mm_percpu_wq: flags=0x8
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: vmstat_update
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: vmstat_update
workqueue bat_events: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=44 MAYDAY
    in-flight: 3402(RESCUER):batadv_dat_purge
    pending: mayday_cursor_func
    inactive: batadv_dat_purge, 4*batadv_tt_purge, 6*batadv_mcast_mla_update, 3*batadv_iv_send_outstanding_bat_ogm_packet, 6*batadv_purge_orig, 9*batadv_iv_send_outstanding_bat_ogm_packet, 2*batadv_tt_purge, 2*batadv_bla_periodic_work, 2*batadv_dat_purge, 2*batadv_bla_periodic_work, batadv_dat_purge
workqueue wg-kex-wg0: flags=0x124
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-crypt-wg0: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_tx_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-kex-wg1: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=2 refcnt=3
    pending: 2*wg_packet_handshake_send_worker
workqueue wg-crypt-wg1: flags=0x128
  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=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-kex-wg2: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg2: flags=0x128
  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=2 refcnt=3
    pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker
workqueue wg-crypt-wg0: flags=0x128
  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=2 refcnt=3
    pending: wg_packet_tx_worker, wg_packet_encrypt_worker
workqueue wg-crypt-wg0: flags=0x128
  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=2 refcnt=3
    pending: wg_packet_tx_worker, wg_packet_encrypt_worker
workqueue wg-crypt-wg1: flags=0x128
  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_tx_worker, wg_packet_decrypt_worker, wg_packet_encrypt_worker
workqueue wg-kex-wg2: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg2: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker
  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
workqueue wg-crypt-wg1: flags=0x128
  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_tx_worker, wg_packet_decrypt_worker
workqueue wg-kex-wg2: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg2: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker
  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
workqueue wg-crypt-wg0: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_tx_worker
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_tx_worker, wg_packet_encrypt_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=0x128
  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_tx_worker, wg_packet_decrypt_worker
workqueue wg-kex-wg2: flags=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg2: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_decrypt_worker, wg_packet_tx_worker, 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 hci1: flags=0x20012
  pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4
    in-flight: 5809:hci_cmd_sync_work
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=0x128
  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=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=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_decrypt_worker, wg_packet_tx_worker, 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=0x6
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg2: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_tx_worker, wg_packet_decrypt_worker, 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
pool 2: cpus=0 node=0 flags=0x0 nice=0 hung=95s workers=6 idle: 5948 975 5870 10 9
pool 6: cpus=1 node=0 flags=0x0 nice=0 hung=158s workers=9 idle: 5812 24 5886 791 5929 29 5807
pool 8: cpus=0-1 flags=0x6 nice=0 hung=1s workers=10 manager: 8584
pool 9: cpus=0-1 node=0 flags=0x4 nice=-20 hung=0s workers=9 idle: 5818 51 5130 5820 7497 5821 5816 5819
Showing backtraces of running workers in stalled CPU-bound worker pools:
pool 6:
task:kworker/1:8     state:R  running task     stack:22744 pid:5934  tgid:5934  ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: events_long defense_work_handler
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5295 [inline]
 __schedule+0x1023/0x6000 kernel/sched/core.c:6907
 preempt_schedule_common+0x42/0xc0 kernel/sched/core.c:7091
 preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12
 __local_bh_enable_ip+0xff/0x120 kernel/softirq.c:457
 local_bh_enable include/linux/bottom_half.h:33 [inline]
 update_defense_level+0x607/0xf50 net/netfilter/ipvs/ip_vs_ctl.c:209
 defense_work_handler+0x26/0xd0 net/netfilter/ipvs/ip_vs_ctl.c:234
 process_one_work+0x9c2/0x1840 kernel/workqueue.c:3275
 process_scheduled_works kernel/workqueue.c:3358 [inline]
 worker_thread+0x5da/0xe40 kernel/workqueue.c:3439
 kthread+0x370/0x450 kernel/kthread.c:467
 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
pool 6:
task:kworker/1:5     state:R  running task     stack:25336 pid:5815  tgid:5815  ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: events_power_efficient neigh_periodic_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5295 [inline]
 __schedule+0x1023/0x6000 kernel/sched/core.c:6907
 preempt_schedule_common+0x42/0xc0 kernel/sched/core.c:7091
 preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12
 __local_bh_enable_ip+0xff/0x120 kernel/softirq.c:457
 spin_unlock_bh include/linux/spinlock.h:395 [inline]
 neigh_periodic_work+0x6da/0xc10 net/core/neighbour.c:1039
 process_one_work+0x9c2/0x1840 kernel/workqueue.c:3275
 process_scheduled_works kernel/workqueue.c:3358 [inline]
 worker_thread+0x5da/0xe40 kernel/workqueue.c:3439
 kthread+0x370/0x450 kernel/kthread.c:467
 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>