BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 204s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x100
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=13 refcnt=14
    in-flight: 8054:xfrm_state_gc_task
    pending: ovs_dp_masks_rebalance, 4*nsim_dev_hwstats_traffic_work, 2*psi_avgs_work, vmstat_shepherd, ovs_dp_masks_rebalance, switchdev_deferred_process_work, 2*rht_deferred_worker
  pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=14 refcnt=15
    pending: 6*nsim_dev_hwstats_traffic_work, 4*ovs_dp_masks_rebalance, 2*psi_avgs_work, delayed_vfree_work, ovs_dp_masks_rebalance
workqueue events_long: flags=0x100
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=6 refcnt=7
    in-flight: 5837:defense_work_handler
    pending: 3*defense_work_handler, 2*br_multicast_gc_work
  pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=6 refcnt=7
    pending: 3*defense_work_handler, 3*br_fdb_cleanup
workqueue events_unbound: flags=0x2
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=2 refcnt=3
    in-flight: 15628:toggle_allocation_gate
    pending: flush_memcg_stats_dwork
workqueue events_unbound: flags=0x2
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=2 refcnt=3
    in-flight: 16175:cfg80211_wiphy_work cfg80211_wiphy_work
    pending: macvlan_process_broadcast
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=22 refcnt=23
    in-flight: 1151:nsim_dev_trap_report_work ,20374:nsim_dev_trap_report_work ,20376:cfg80211_wiphy_work cfg80211_wiphy_work ,9539:nsim_dev_trap_report_work ,16181:nsim_dev_trap_report_work ,16173:nsim_dev_trap_report_work ,3428:cfg80211_wiphy_work cfg80211_wiphy_work ,3573:nsim_dev_trap_report_work
    pending: 4*nsim_dev_trap_report_work, idle_cull_fn, 2*cfg80211_wiphy_work, 2*macvlan_process_broadcast, crng_reseed, macvlan_process_broadcast
workqueue events_freezable: flags=0x104
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: update_balloon_stats_func
workqueue events_power_efficient: flags=0x180
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=8 refcnt=9
    pending: 3*nf_flow_offload_work_gc, hash_ip4_gc, wg_ratelimiter_gc_entries, check_lifetime, reg_check_chans_work, check_lifetime
  pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=15 refcnt=16
    in-flight: 5921:neigh_periodic_work ,44:neigh_managed_work
    pending: neigh_periodic_work, gc_worker, hash_netportnet6_gc, hash_ipport4_gc, do_cache_clean, check_lifetime, hash_ipmark4_gc, 2*neigh_managed_work, 4*check_lifetime
workqueue kvfree_rcu_reclaim: flags=0xa
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=2 refcnt=3
    in-flight: 16163:kfree_rcu_monitor 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=0x2 nice=0 active=1 refcnt=2
    pending: vmstat_update
workqueue writeback: flags=0x4a
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2
    in-flight: 134:wb_workfn
workqueue kblockd: flags=0x18
  pwq 7: cpus=1 node=0 flags=0x0 nice=-20 active=1 refcnt=2
    pending: blk_mq_timeout_work
workqueue ipv6_addrconf: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=6
    pending: addrconf_verify_work
    inactive: 2*addrconf_verify_work
workqueue krxrpcd: flags=0x2001a
  pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=10
    pending: rxrpc_peer_keepalive_worker
    inactive: 6*rxrpc_peer_keepalive_worker
workqueue bat_events: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=35
    in-flight: 15794:batadv_tt_purge
    inactive: 4*batadv_mcast_mla_update, batadv_purge_orig, 4*batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, 2*batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, 2*batadv_tt_purge, 2*batadv_iv_send_outstanding_bat_ogm_packet, batadv_tt_purge, batadv_dat_purge, 2*batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, 4*batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig
workqueue wg-crypt-wg0: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_worker
  pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=2 refcnt=3
    pending: wg_packet_decrypt_worker, wg_packet_tx_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_encrypt_worker, wg_packet_tx_worker
  pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=2 refcnt=3
    pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker
workqueue wg-kex-wg2: flags=0x6
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2
    in-flight: 16172: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_encrypt_worker, wg_packet_tx_worker
workqueue wg-kex-wg0: flags=0x6
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2
    in-flight: 16167:wg_packet_handshake_send_worker
workqueue wg-crypt-wg0: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker, wg_packet_tx_worker
  pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=1 refcnt=2
    pending: wg_packet_tx_worker
workqueue wg-kex-wg1: flags=0x6
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=2 refcnt=3
    in-flight: 12:wg_packet_handshake_send_worker ,13:wg_packet_handshake_send_worker
workqueue wg-crypt-wg1: 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=0x2 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-kex-wg1: flags=0x6
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=3 refcnt=4
    in-flight: 36:wg_packet_handshake_send_worker wg_packet_handshake_send_worker ,20379:wg_packet_handshake_send_worker
workqueue wg-kex-wg2: flags=0x6
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=3 refcnt=4
    in-flight: 1016:wg_packet_handshake_send_worker wg_packet_handshake_send_worker
    pending: wg_packet_handshake_send_worker
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-kex-wg0: flags=0x6
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2
    in-flight: 3478:wg_packet_handshake_send_worker
workqueue wg-crypt-wg0: 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=0x2 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-kex-wg1: flags=0x124
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_receive_worker
  pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=1 refcnt=2
    in-flight: 5901:wg_packet_handshake_receive_worker
workqueue wg-kex-wg1: flags=0x6
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2
    in-flight: 7201:wg_packet_handshake_send_worker
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=2 refcnt=3
    in-flight: 20378:wg_packet_handshake_send_worker 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_tx_worker
workqueue wg-kex-wg2: flags=0x6
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2
    in-flight: 16162: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_encrypt_worker, wg_packet_tx_worker
workqueue wg-kex-wg0: flags=0x124
  pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-kex-wg0: flags=0x6
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=3 refcnt=4
    in-flight: 3440:wg_packet_handshake_send_worker wg_packet_handshake_send_worker
    pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg0: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_tx_worker, wg_packet_encrypt_worker, wg_packet_decrypt_worker
  pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-kex-wg1: flags=0x124
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-kex-wg1: flags=0x6
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2
    in-flight: 37:wg_packet_handshake_send_worker wg_packet_handshake_send_worker
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=3 refcnt=4
    in-flight: 7134:wg_packet_handshake_send_worker 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_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_worker
workqueue wg-kex-wg2: flags=0x124
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_receive_worker
  pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=2 refcnt=3
    in-flight: 23061:wg_packet_handshake_receive_worker
    pending: wg_packet_handshake_receive_worker
workqueue wg-kex-wg2: flags=0x6
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2
    in-flight: 20373:wg_packet_handshake_send_worker
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=2 refcnt=3
    in-flight: 10025:wg_packet_handshake_send_worker
    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_encrypt_worker, wg_packet_tx_worker
workqueue hci2: flags=0x20012
  pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4
    in-flight: 5847:hci_cmd_sync_work
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-kex-wg0: flags=0x6
  pwq 8: cpus=0-1 flags=0x4 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=3 refcnt=4
    pending: wg_packet_tx_worker, wg_packet_encrypt_worker, wg_packet_decrypt_worker
  pwq 6: cpus=1 node=0 flags=0x2 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=0x4 nice=0 active=1 refcnt=2
    in-flight: 16177:wg_packet_handshake_send_worker
  pwq 8: cpus=0-1 flags=0x4 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_encrypt_worker, wg_packet_tx_worker
  pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=2 refcnt=3
    pending: wg_packet_decrypt_worker, wg_packet_tx_worker
workqueue wg-kex-wg2: flags=0x124
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_receive_worker
  pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=1 refcnt=2
    pending: wg_packet_handshake_receive_worker
workqueue wg-kex-wg2: flags=0x6
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=3 refcnt=4
    in-flight: 16182:wg_packet_handshake_send_worker
    pending: 2*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_encrypt_worker, wg_packet_tx_worker
pool 2: cpus=0 node=0 flags=0x0 nice=0 hung=206s workers=9 idle: 5832 5938 7139 5973 1046 16710 7900
pool 6: cpus=1 node=0 flags=0x2 nice=0 hung=61s workers=14 manager: 11031 idle: 5908 6205 796 6165 7141 11868 10028 8000 5950
pool 8: cpus=0-1 flags=0x4 nice=0 hung=55s workers=49 idle: 6010 16165 16176 20381 16170 16168 16166 3008 15919 16178 1092 16179 61 16164 16169 16180 8046 10026
pool 9: cpus=0-1 node=0 flags=0x4 nice=-20 hung=48s workers=3 idle: 5850 18288
Showing backtraces of running workers in stalled CPU-bound worker pools:
pool 2:
task:kworker/0:4     state:R  running task     stack:22744 pid:5837  tgid:5837  ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: events_long defense_work_handler
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5256 [inline]
 __schedule+0x14bc/0x5000 kernel/sched/core.c:6863
 preempt_schedule_common+0x83/0xd0 kernel/sched/core.c:7047
 preempt_schedule+0xae/0xc0 kernel/sched/core.c:7071
 preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12
 __local_bh_enable_ip+0x13e/0x1c0 kernel/softirq.c:457
 local_bh_enable include/linux/bottom_half.h:33 [inline]
 update_defense_level+0x8d2/0xd80 net/netfilter/ipvs/ip_vs_ctl.c:209
 defense_work_handler+0x2d/0xd0 net/netfilter/ipvs/ip_vs_ctl.c:234
 process_one_work kernel/workqueue.c:3257 [inline]
 process_scheduled_works+0xad1/0x1770 kernel/workqueue.c:3340
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3421
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>