BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=-20 stuck for 171s! Showing busy workqueues and worker pools: workqueue events: flags=0x100 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=18 refcnt=19 in-flight: 18777:switchdev_deferred_process_work for 10s pending: rht_deferred_worker, destroy_pid_namespace_work, delayed_vfree_work, free_obj_work, bpf_prog_free_deferred, rht_deferred_worker, 5*nsim_dev_hwstats_traffic_work, 2*psi_avgs_work, vmstat_shepherd, 3*ovs_dp_masks_rebalance pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3 in-flight: 18700:drain_vmap_area_work for 7s drain_vmap_area_work workqueue events_long: flags=0x100 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=8 refcnt=9 pending: br_multicast_gc_work, br_fdb_cleanup, br_multicast_gc_work, br_fdb_cleanup, 4*defense_work_handler workqueue events_unbound: flags=0x2 pwq 8: cpus=0-1 flags=0x4 nice=0 active=18 refcnt=19 in-flight: 29812:nsim_dev_trap_report_work for 0s ,29820:nsim_dev_trap_report_work for 0s ,29816:nsim_dev_trap_report_work for 0s ,15006:nsim_dev_trap_report_work for 0s ,1315:cfg80211_wiphy_work for 108s cfg80211_wiphy_work ,29800:nsim_dev_trap_report_work for 0s ,6571:nsim_dev_trap_report_work for 0s ,15002:toggle_allocation_gate for 0s ,29804:nsim_dev_trap_report_work for 0s ,6560:cfg80211_wiphy_work for 139s cfg80211_wiphy_work ,14997:fsnotify_mark_destroy_workfn for 128s ,15004:fsnotify_connector_destroy_workfn for 128s ,14994:cfg80211_wiphy_work for 100s cfg80211_wiphy_work ,15001:cfg80211_wiphy_work for 110s cfg80211_wiphy_work 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=11 refcnt=12 pending: gc_worker, check_lifetime, 2*neigh_periodic_work, do_cache_clean, reg_check_chans_work, 2*check_lifetime, hash_netnet4_gc, 2*neigh_managed_work pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 in-flight: 24:wg_ratelimiter_gc_entries for 4s workqueue rcu_gp: flags=0x108 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: 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 kblockd: flags=0x18 pwq 3: cpus=0 node=0 flags=0x0 nice=-20 active=1 refcnt=2 pending: blk_mq_timeout_work workqueue bat_events: flags=0x6000a pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=40 pending: batadv_dat_purge inactive: 3*batadv_iv_send_outstanding_bat_ogm_packet, 4*batadv_mcast_mla_update, batadv_dat_purge, batadv_tt_purge, 2*batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, batadv_iv_send_outstanding_bat_ogm_packet, batadv_bla_periodic_work, batadv_tt_purge, 2*batadv_iv_send_outstanding_bat_ogm_packet, batadv_dat_purge, batadv_mcast_mla_update, batadv_iv_send_outstanding_bat_ogm_packet, 4*batadv_purge_orig, 2*batadv_bla_periodic_work, batadv_iv_send_outstanding_bat_ogm_packet, batadv_tt_purge, 3*batadv_iv_send_outstanding_bat_ogm_packet, batadv_dat_purge, 4*batadv_iv_send_outstanding_bat_ogm_packet 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=1 refcnt=2 pending: 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-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_tx_worker, wg_packet_decrypt_worker 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_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_worker workqueue wg-crypt-wg1: flags=0x128 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4 pending: wg_packet_tx_worker, wg_packet_encrypt_worker, wg_packet_decrypt_worker pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: 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_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=1 refcnt=2 pending: 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=2 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_tx_worker 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_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_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=2 refcnt=3 pending: 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-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_tx_worker, wg_packet_decrypt_worker pool 2: cpus=0 node=0 flags=0x0 nice=0 hung=11s workers=8 idle: 5939 10 5885 5938 9 15976 5937 pool 6: cpus=1 node=0 flags=0x0 nice=0 hung=0s workers=8 idle: 5830 5893 1662 16785 5907 29227 pool 8: cpus=0-1 flags=0x4 nice=0 hung=0s workers=21 idle: 15002 15006 29820 29804 27619 15003 29812 12 27618 6562 Showing backtraces of busy workers in stalled worker pools: