BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 31s!
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: 9:request_firmware_work_func
    pending: 4*nsim_dev_hwstats_traffic_work, vmstat_shepherd, drm_fb_helper_damage_work, 6*ovs_dp_masks_rebalance
  pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=8 refcnt=9
    pending: nsim_dev_hwstats_traffic_work, 5*ovs_dp_masks_rebalance, 2*psi_avgs_work
workqueue events_long: flags=0x100
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=7 refcnt=8
    pending: 7*defense_work_handler
  pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=4 refcnt=5
    pending: 4*defense_work_handler
workqueue events_unbound: flags=0x2
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=9 refcnt=10
    in-flight: 681:cfg80211_wiphy_work cfg80211_wiphy_work ,41:cfg80211_wiphy_work cfg80211_wiphy_work ,6755:cfg80211_wiphy_work cfg80211_wiphy_work ,940:cfg80211_wiphy_work cfg80211_wiphy_work
    pending: toggle_allocation_gate
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=4 refcnt=5
    in-flight: 15:cfg80211_wiphy_work cfg80211_wiphy_work ,2264:cfg80211_wiphy_work cfg80211_wiphy_work
workqueue events_unbound: flags=0x2
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=2 refcnt=3
    pending: 2*nsim_dev_trap_report_work
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=4 refcnt=5
    in-flight: 6773:nsim_dev_trap_report_work ,6775:nsim_dev_trap_report_work ,6774:nsim_dev_trap_report_work
    pending: macvlan_process_broadcast
workqueue events_power_efficient: flags=0x182
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=4 refcnt=5
    pending: gc_worker, fb_flashcursor, do_cache_clean, wg_ratelimiter_gc_entries
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=2 refcnt=3
    pending: 2*neigh_managed_work
workqueue kvfree_rcu_reclaim: flags=0xa
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=2 refcnt=4 MAYDAY
    pending: 2*kfree_rcu_monitor
workqueue netns: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=4
    in-flight: 42:cleanup_net
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=0x6 nice=0 active=1 refcnt=2
    in-flight: 12:wb_workfn
workqueue mld: flags=0x40108
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=49
    in-flight: 6674:mld_ifc_work
    inactive: mld_ifc_work, mld_dad_work, mld_ifc_work, 2*mld_dad_work, mld_ifc_work, 5*mld_dad_work, 4*mld_ifc_work, 2*mld_dad_work, 8*mld_ifc_work, 4*mld_dad_work, mld_ifc_work, mld_dad_work, 4*mld_ifc_work, mld_dad_work, 11*mld_ifc_work
  pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=1 refcnt=107
    in-flight: 6611:mld_ifc_work
    inactive: 3*mld_ifc_work, mld_dad_work, mld_ifc_work, 2*mld_dad_work, 4*mld_ifc_work, 2*mld_dad_work, 2*mld_ifc_work, mld_dad_work, 4*mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, 5*mld_ifc_work, mld_dad_work, mld_ifc_work, 2*mld_dad_work, 3*mld_ifc_work, 3*mld_dad_work, 5*mld_ifc_work, mld_dad_work, 2*mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, 3*mld_ifc_work, 2*mld_dad_work, 2*mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, 11*mld_ifc_work, 2*mld_dad_work, mld_ifc_work, mld_dad_work, 6*mld_ifc_work, mld_dad_work, 18*mld_ifc_work
workqueue ipv6_addrconf: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=326
    in-flight: 4234(RESCUER):addrconf_dad_work
    inactive: 321*addrconf_dad_work
workqueue bat_events: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=49
    in-flight: 4310(RESCUER):batadv_tt_purge
    inactive: batadv_tt_purge, 4*batadv_iv_send_outstanding_bat_ogm_packet, batadv_tt_purge, 4*batadv_purge_orig, batadv_tt_purge, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, 6*batadv_mcast_mla_update, 2*batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, 5*batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, 5*batadv_iv_send_outstanding_bat_ogm_packet, batadv_tt_purge
workqueue udp_tunnel_nic: flags=0x20002
  pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=6
    in-flight: 916:udp_tunnel_nic_device_sync_work
    inactive: 2*udp_tunnel_nic_device_sync_work
workqueue wg-crypt-wg0: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_tx_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-crypt-wg1: 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=0x2 nice=0 active=1 refcnt=2
    pending: wg_packet_encrypt_worker
workqueue wg-crypt-wg2: flags=0x128
  pwq 2: cpus=0 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=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-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=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
  pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=1 refcnt=2
    in-flight: 26:wg_packet_handshake_receive_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=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=1 refcnt=2
    pending: wg_packet_decrypt_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_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-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
    in-flight: 6610:wg_packet_handshake_receive_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-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-crypt-wg2: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_tx_worker, wg_packet_encrypt_worker
pool 2: cpus=0 node=0 flags=0x0 nice=0 hung=31s workers=8 idle: 6669 11 6737 6776 1858 6578
pool 6: cpus=1 node=0 flags=0x2 nice=0 hung=4s workers=6 manager: 24 idle: 6772 6642
pool 8: cpus=0-1 flags=0x6 nice=0 hung=0s workers=13 manager: 6777
Showing backtraces of running workers in stalled CPU-bound worker pools:
pool 2:
task:kworker/0:5     state:R  running task     stack:0     pid:6674  tgid:6674  ppid:2      task_flags:0x4208060 flags:0x00000010
Workqueue: mld mld_ifc_work
Call trace:
 __switch_to+0x418/0x87c arch/arm64/kernel/process.c:741 (T)
 context_switch kernel/sched/core.c:5325 [inline]
 __schedule+0x13b0/0x2864 kernel/sched/core.c:6929
 preempt_schedule_common+0xe0/0x194 kernel/sched/core.c:7113
 preempt_schedule+0x60/0x80 kernel/sched/core.c:7137
 __local_bh_enable_ip+0x20c/0x35c kernel/softirq.c:457
 local_bh_enable+0x28/0x34 include/linux/bottom_half.h:33
 ip6t_do_table+0x1040/0x1240 net/ipv6/netfilter/ip6_tables.c:375
 ip6table_mangle_hook+0x204/0x584 net/ipv6/netfilter/ip6table_mangle.c:73
 nf_hook_entry_hookfn include/linux/netfilter.h:158 [inline]
 nf_hook_slow+0xb4/0x21c net/netfilter/core.c:623
 nf_hook+0x1d0/0x334 include/linux/netfilter.h:273
 NF_HOOK_COND include/linux/netfilter.h:306 [inline]
 ip6_output+0x294/0x640 net/ipv6/ip6_output.c:247
 dst_output include/net/dst.h:464 [inline]
 NF_HOOK+0x15c/0x430 include/linux/netfilter.h:318
 mld_sendpack+0x7fc/0x100c net/ipv6/mcast.c:1855
 mld_send_cr net/ipv6/mcast.c:2154 [inline]
 mld_ifc_work+0x770/0xc38 net/ipv6/mcast.c:2693
 process_one_work+0x7e8/0x155c kernel/workqueue.c:3263
 process_scheduled_works kernel/workqueue.c:3346 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3427
 kthread+0x5fc/0x75c kernel/kthread.c:463
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844