BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 180s! 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: 10:xfrm_state_gc_task pending: 4*nsim_dev_hwstats_traffic_work, vmstat_shepherd, 4*ovs_dp_masks_rebalance, switchdev_deferred_process_work, rht_deferred_worker, delayed_vfree_work pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=13 refcnt=14 pending: 6*nsim_dev_hwstats_traffic_work, 3*psi_avgs_work, 2*ovs_dp_masks_rebalance, ima_keys_handler, delayed_vfree_work workqueue events_long: flags=0x100 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=5 refcnt=6 pending: 4*defense_work_handler, br_multicast_gc_work pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3 pending: 2*defense_work_handler workqueue events_unbound: flags=0x2 pwq 8: cpus=0-1 flags=0x4 nice=0 active=20 refcnt=21 in-flight: 12:nsim_dev_trap_report_work ,1113:fsnotify_mark_destroy_workfn ,9140:fsnotify_connector_destroy_workfn ,35:macvlan_process_broadcast ,9144:cfg80211_wiphy_work cfg80211_wiphy_work pending: 2*nsim_dev_trap_report_work, toggle_allocation_gate, 7*nsim_dev_trap_report_work, 2*cfg80211_wiphy_work, flush_memcg_stats_dwork pwq 8: cpus=0-1 flags=0x4 nice=0 active=6 refcnt=7 in-flight: 9141:cfg80211_wiphy_work cfg80211_wiphy_work ,9142:cfg80211_wiphy_work cfg80211_wiphy_work pending: 2*cfg80211_wiphy_work, 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=6 refcnt=7 in-flight: 5838:neigh_periodic_work ,5938:reg_check_chans_work ,9:gc_worker pending: check_lifetime, neigh_managed_work, check_lifetime pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=7 refcnt=8 pending: wg_ratelimiter_gc_entries, neigh_managed_work, neigh_periodic_work, do_cache_clean, 3*check_lifetime workqueue rcu_gp: flags=0x108 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=5 refcnt=6 pending: srcu_invoke_callbacks, 2*process_srcu, 2*srcu_invoke_callbacks workqueue mm_percpu_wq: flags=0x108 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: vmstat_update pwq 6: cpus=1 node=0 flags=0x0 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 pending: wb_workfn pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 pending: wb_update_bandwidth_workfn workqueue kblockd: flags=0x18 pwq 3: cpus=0 node=0 flags=0x0 nice=-20 active=1 refcnt=2 pending: blk_mq_timeout_work pwq 7: cpus=1 node=0 flags=0x0 nice=-20 active=1 refcnt=2 pending: blk_mq_requeue_work workqueue mld: flags=0x40108 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=3 pending: mld_dad_work inactive: mld_dad_work workqueue ipv6_addrconf: flags=0x6000a pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=6 in-flight: 9145: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=9 pending: rxrpc_peer_keepalive_worker inactive: 5*rxrpc_peer_keepalive_worker workqueue bat_events: flags=0x6000a pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=43 in-flight: 7224:batadv_iv_send_outstanding_bat_ogm_packet inactive: batadv_dat_purge, batadv_bla_periodic_work, batadv_purge_orig, batadv_bla_periodic_work, 2*batadv_dat_purge, batadv_bla_periodic_work, 5*batadv_iv_send_outstanding_bat_ogm_packet, 4*batadv_tt_purge, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, 5*batadv_mcast_mla_update, 2*batadv_iv_send_outstanding_bat_ogm_packet, 3*batadv_purge_orig, 6*batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, batadv_iv_send_outstanding_bat_ogm_packet, batadv_tt_purge workqueue ext4-rsv-conversion: flags=0xa pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 pending: ext4_end_io_rsv_work workqueue wg-kex-wg1: flags=0x6 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 6: cpus=1 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=0x0 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_decrypt_worker pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3 pending: wg_packet_tx_worker, wg_packet_decrypt_worker workqueue hci1: flags=0x20012 pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4 in-flight: 5829:hci_cmd_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_encrypt_worker, wg_packet_tx_worker pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_tx_worker workqueue wg-crypt-wg1: 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 hci3: flags=0x20012 pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4 in-flight: 5833: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-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 workqueue wg-crypt-wg1: 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-kex-wg2: flags=0x124 pwq 2: cpus=0 node=0 flags=0x0 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_decrypt_worker workqueue hci4: flags=0x20012 pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4 in-flight: 5144:hci_cmd_sync_work workqueue hci0: flags=0x20012 pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4 in-flight: 51: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-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 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-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_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 workqueue wg-crypt-wg2: 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 pool 2: cpus=0 node=0 flags=0x0 nice=0 hung=79s workers=7 idle: 5824 1647 5950 pool 8: cpus=0-1 flags=0x4 nice=0 hung=0s workers=34 idle: 1001 9141 9144 7503 35 12 9142 36 7233 9143 7499 7219 7236 58 7235 7226 9095 7238 127 146 7227 13 7229 1017 7504 7222 9149 9147 7501 9146 pool 9: cpus=0-1 node=0 flags=0x4 nice=-20 hung=0s workers=6 idle: 5832 5826 Showing backtraces of running workers in stalled CPU-bound worker pools: