BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 221s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=8/256
    in-flight: 24:rtc_timer_do_work
    pending: defense_work_handler, cache_reap, defense_work_handler, defense_work_handler, defense_work_handler, check_corruption, push_to_pool
workqueue events_power_efficient: flags=0x80
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256
    pending: gc_worker, neigh_periodic_work, neigh_periodic_work
workqueue mm_percpu_wq: flags=0x8
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256
    pending: vmstat_update
pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=221s workers=2 idle: 2909