BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 149s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=7/256 refcnt=8
    in-flight: 14:ipvlan_process_multicast
    pending: cache_reap, macvlan_process_broadcast, delayed_fput, ipvlan_process_multicast, vmstat_shepherd, push_to_pool
workqueue events_freezable: flags=0x4
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: update_balloon_stats_func
workqueue events_power_efficient: flags=0x80
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=4/256 refcnt=5
    pending: do_cache_clean, neigh_periodic_work, fb_flashcursor, check_lifetime
workqueue mm_percpu_wq: flags=0x8
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: vmstat_update
workqueue cgroup_destroy: flags=0x0
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=4
    in-flight: 8295:css_free_rwork_fn
    delayed: css_release_work_fn, css_release_work_fn
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=4
    pending: css_killed_work_fn
    delayed: css_killed_work_fn, css_release_work_fn
workqueue cgroup_pidlist_destroy: flags=0x0
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=2
    pending: cgroup_pidlist_destroy_work_fn
workqueue dm_bufio_cache: flags=0x8
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: work_fn
workqueue ipv6_addrconf: flags=0x40008
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=5
    in-flight: 3461:addrconf_dad_work
    delayed: addrconf_dad_work, addrconf_dad_work, addrconf_dad_work
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=76
    pending: addrconf_dad_work
    delayed: addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work
, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_dad_work, addrconf_verify_work
pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=149s workers=5 idle: 8219 8294 8296 7821
pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=0s workers=4 idle: 8297 19
nla_parse: 27 callbacks suppressed
netlink: 8 bytes leftover after parsing attributes in process `syz-executor595'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor595'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor595'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor595'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor595'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor595'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor595'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor595'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor595'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor595'.
nla_parse: 29 callbacks suppressed
netlink: 8 bytes leftover after parsing attributes in process `syz-executor595'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor595'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor595'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor595'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor595'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor595'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor595'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor595'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor595'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor595'.