BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 173s! Showing busy workqueues and worker pools: workqueue events: flags=0x100 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=13 refcnt=14 pending: bpf_prog_free_deferred, 2*psi_avgs_work, 5*nsim_dev_hwstats_traffic_work, 2*ovs_dp_masks_rebalance, psi_avgs_work, ovs_dp_masks_rebalance, vmstat_shepherd pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=10 refcnt=11 in-flight: 5907:drain_vmap_area_work for 23s pending: 5*nsim_dev_hwstats_traffic_work, psi_avgs_work, 3*ovs_dp_masks_rebalance workqueue events_long: flags=0x100 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=5 refcnt=6 pending: 5*defense_work_handler pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4 pending: 3*defense_work_handler workqueue events_unbound: flags=0x2 pwq 8: cpus=0-1 flags=0x4 nice=0 active=9 refcnt=10 in-flight: 146:cfg80211_wiphy_work for 24s cfg80211_wiphy_work ,13:cfg80211_wiphy_work for 40s cfg80211_wiphy_work ,7420:cfg80211_wiphy_work for 5s ,7418:cfg80211_wiphy_work for 5s cfg80211_wiphy_work pending: cfg80211_wiphy_work pwq 8: cpus=0-1 flags=0x4 nice=0 active=21 refcnt=22 in-flight: 48:fsnotify_mark_destroy_workfn for 173s fsnotify_mark_destroy_workfn ,12:nsim_dev_trap_report_work for 5s ,7283:fsnotify_connector_destroy_workfn for 173s fsnotify_connector_destroy_workfn ,1162:cfg80211_wiphy_work for 40s cfg80211_wiphy_work ,7408:nsim_dev_trap_report_work for 4s ,86:cfg80211_wiphy_work for 40s cfg80211_wiphy_work ,35:linkwatch_event for 174s linkwatch_event ,7416:toggle_allocation_gate for 5s pending: 8*nsim_dev_trap_report_work, flush_memcg_stats_dwork 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=7 refcnt=8 pending: gc_worker, wg_ratelimiter_gc_entries, neigh_managed_work, neigh_periodic_work, 3*check_lifetime pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3 in-flight: 796:reg_check_chans_work for 99s ,5861:neigh_periodic_work for 99s workqueue rcu_gp: flags=0x108 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4 pending: 3*srcu_invoke_callbacks pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 in-flight: 5878:process_srcu for 40s workqueue netns: flags=0x6000a pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=4 in-flight: 3515:cleanup_net for 181s 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_update_bandwidth_workfn workqueue ipv6_addrconf: flags=0x6000a pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=151 in-flight: 77:addrconf_dad_work for 175s inactive: 140*addrconf_dad_work, 7*addrconf_verify_work workqueue bat_events: flags=0x6000a pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=41 in-flight: 7409:batadv_bla_periodic_work for 5s inactive: batadv_dat_purge, batadv_bla_periodic_work, 4*batadv_tt_purge, 3*batadv_mcast_mla_update, 2*batadv_tt_purge, batadv_iv_send_outstanding_bat_ogm_packet, 3*batadv_mcast_mla_update, batadv_purge_orig, batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, 4*batadv_iv_send_outstanding_bat_ogm_packet, 4*batadv_purge_orig, 5*batadv_iv_send_outstanding_bat_ogm_packet, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge workqueue hci3: flags=0x20012 pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4 in-flight: 5835:hci_cmd_sync_work for 68s 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 pwq 6: cpus=1 node=0 flags=0x0 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 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 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-kex-wg2: flags=0x6 pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_send_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 hci4: flags=0x20012 pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4 in-flight: 5826:hci_cmd_sync_work for 68s workqueue hci0: flags=0x20012 pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4 in-flight: 5143:hci_cmd_sync_work for 41s 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 pwq 6: cpus=1 node=0 flags=0x0 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=0x0 nice=0 active=1 refcnt=2 in-flight: 5877:wg_packet_handshake_receive_worker for 24s workqueue wg-crypt-wg1: flags=0x128 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4 pending: wg_packet_decrypt_worker, 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 workqueue wg-kex-wg2: flags=0x6 pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_send_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 hci2: flags=0x20012 pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4 in-flight: 5829:hci_cmd_sync_work for 41s 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 pwq 6: cpus=1 node=0 flags=0x0 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 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=0x0 nice=0 active=1 refcnt=2 in-flight: 7421:wg_packet_decrypt_worker for 6s 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-kex-wg2: flags=0x6 pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_send_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 hci1: flags=0x20012 pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4 in-flight: 5828:hci_cmd_sync_work for 41s pool 6: cpus=1 node=0 flags=0x0 nice=0 hung=5s workers=9 idle: 24 42 5949 pool 8: cpus=0-1 flags=0x4 nice=0 hung=6s workers=17 idle: 7419 7410 pool 9: cpus=0-1 node=0 flags=0x4 nice=-20 hung=0s workers=9 idle: 5823 51 5836 5831 Showing backtraces of busy workers in stalled worker pools: