BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 252s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=17/256
    in-flight: 7985:key_garbage_collector, 2642:rtc_timer_do_work
    pending: key_garbage_collector, kernfs_notify_workfn, delayed_fput, defense_work_handler, defense_work_handler, psi_avgs_work, rt6_probe_deferred, psi_avgs_work, cache_reap, free_obj_work, rt6_probe_deferred, rt6_probe_deferred, psi_avgs_work, rt6_probe_deferred, rt6_probe_deferred
workqueue events_long: flags=0x0
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256
    pending: br_fdb_cleanup, br_fdb_cleanup
workqueue events_unbound: flags=0x2
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=4/512
    in-flight: 21:fsnotify_mark_destroy_workfn fsnotify_mark_destroy_workfn, 24235:fsnotify_connector_destroy_workfn fsnotify_connector_destroy_workfn
workqueue events_power_efficient: flags=0x80
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=4/256
    pending: neigh_periodic_work, neigh_periodic_work, do_cache_clean, check_lifetime
workqueue rcu_gp: flags=0x8
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256
    pending: wait_rcu_exp_gp, process_srcu
workqueue mm_percpu_wq: flags=0x8
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256
    pending: vmstat_update, drain_local_pages_wq BAR(1065)
workqueue dm_bufio_cache: flags=0x8
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256
    pending: work_fn
workqueue ipv6_addrconf: flags=0x40008
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1
    pending: addrconf_verify_work
workqueue krxrpcd: flags=0x0
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1
    pending: rxrpc_peer_keepalive_worker
    delayed: rxrpc_peer_keepalive_worker, rxrpc_peer_keepalive_worker, rxrpc_peer_keepalive_worker
workqueue bat_events: flags=0xe000a
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1
    pending: batadv_purge_orig
    delayed: batadv_purge_orig, batadv_nc_worker, batadv_nc_worker, batadv_nc_worker, batadv_nc_worker, batadv_nc_worker, batadv_nc_worker
pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=252s workers=5 idle: 24309 21993 7992
pool 4: cpus=0-1 flags=0x4 nice=0 hung=0s workers=6 idle: 239 25773 906 9893