BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 41s! Showing busy workqueues and worker pools: workqueue events: flags=0x100 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=11 refcnt=12 in-flight: 26:reg_todo for 41s pending: 3*psi_avgs_work, 4*nsim_dev_hwstats_traffic_work, delayed_vfree_work, free_ioctx, psi_avgs_work workqueue events_unbound: flags=0x2 pwq 8: cpus=0-1 flags=0x6 nice=0 active=21 refcnt=22 in-flight: 1450:cfg80211_wiphy_work for 62s cfg80211_wiphy_work ,901:cfg80211_wiphy_work for 62s cfg80211_wiphy_work ,42:cfg80211_wiphy_work for 48s cfg80211_wiphy_work ,1187:cfg80211_wiphy_work for 47s cfg80211_wiphy_work pending: flush_memcg_stats_dwork, macvlan_process_broadcast, 3*nsim_dev_trap_report_work, macvlan_process_broadcast, 3*nsim_dev_trap_report_work, toggle_allocation_gate, 4*nsim_dev_trap_report_work pwq 8: cpus=0-1 flags=0x6 nice=0 active=10 refcnt=11 in-flight: 13:cfg80211_wiphy_work for 64s cfg80211_wiphy_work ,321:cfg80211_wiphy_work for 67s cfg80211_wiphy_work ,40:cfg80211_wiphy_work for 57s cfg80211_wiphy_work ,4908:cfg80211_wiphy_work for 54s cfg80211_wiphy_work pending: macvlan_process_broadcast workqueue events_power_efficient: flags=0x82 pwq 8: cpus=0-1 flags=0x6 nice=0 active=10 refcnt=11 in-flight: 3081:neigh_periodic_work for 39s ,1387:hash_net4_gc for 4s ,12:gc_worker for 4s pending: 2*neigh_managed_work, fb_flashcursor, reg_check_chans_work, nf_flow_offload_work_gc, wg_ratelimiter_gc_entries, neigh_periodic_work pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2 in-flight: 7439:crda_timeout_work for 23s workqueue events_dfl_long: flags=0x2 pwq 8: cpus=0-1 flags=0x6 nice=0 active=6 refcnt=7 pending: 6*defense_work_handler workqueue mm_percpu_wq: flags=0x108 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: vmstat_update workqueue ipv6_addrconf: flags=0x6000a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=8 in-flight: 3305:addrconf_dad_work for 59s inactive: 4*addrconf_dad_work workqueue bat_events: flags=0x6000a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=45 MAYDAY in-flight: 2853(RESCUER):batadv_dat_purge for 8s pending: mayday_cursor_func inactive: batadv_bla_periodic_work, batadv_purge_orig, 2*batadv_tt_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_mcast_mla_update, batadv_tt_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, 2*batadv_dat_purge, batadv_bla_periodic_work, 2*batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, 2*batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, batadv_iv_send_outstanding_bat_ogm_packet, 4*batadv_mcast_mla_update, 4*batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, batadv_tt_purge, 4*batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, 2*batadv_iv_send_outstanding_bat_ogm_packet, batadv_tt_purge workqueue wg-kex-wg0: flags=0x124 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker workqueue wg-kex-wg0: flags=0x6 pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_send_worker workqueue wg-crypt-wg0: 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-crypt-wg1: flags=0x128 pwq 6: cpus=1 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-wg2: flags=0x128 pwq 6: cpus=1 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 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker workqueue wg-kex-wg0: flags=0x6 pwq 8: cpus=0-1 flags=0x6 nice=0 active=2 refcnt=3 pending: 2*wg_packet_handshake_send_worker workqueue wg-crypt-wg0: 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-wg1: flags=0x124 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3 in-flight: 4468:wg_packet_handshake_receive_worker for 59s pending: wg_packet_handshake_receive_worker workqueue wg-kex-wg1: flags=0x6 pwq 8: cpus=0-1 flags=0x6 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_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 in-flight: 4813:wg_packet_handshake_receive_worker for 13s pwq 6: cpus=1 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=0x6 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_send_worker workqueue wg-crypt-wg2: flags=0x128 pwq 6: cpus=1 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-wg0: flags=0x124 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 in-flight: 10:wg_packet_handshake_receive_worker for 0s workqueue wg-kex-wg0: flags=0x6 pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_send_worker workqueue wg-crypt-wg0: 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-wg1: flags=0x6 pwq 8: cpus=0-1 flags=0x6 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=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 in-flight: 4802:wg_packet_handshake_receive_worker for 17s 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 6: cpus=1 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=0x6 pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_send_worker workqueue wg-crypt-wg0: flags=0x128 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3 pending: wg_packet_tx_worker, wg_packet_encrypt_worker workqueue wg-kex-wg1: flags=0x124 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 in-flight: 4716:wg_packet_handshake_receive_worker for 4s pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker workqueue wg-crypt-wg1: flags=0x128 pwq 6: cpus=1 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 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 6: cpus=1 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=0s workers=9 idle: 6872 865 9 4717 4836 pool 6: cpus=1 node=0 flags=0x0 nice=0 hung=41s workers=8 idle: 4816 4795 5955 4909 24 1091 pool 8: cpus=0-1 flags=0x6 nice=0 hung=2s workers=14 manager: 7441 Showing backtraces of busy workers in stalled worker pools: pool 6: task:kworker/1:1 state:R running task stack:0 pid:26 tgid:26 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: events reg_todo Call trace: __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:775 (T) context_switch kernel/sched/core.c:5520 [inline] __schedule+0x1370/0x2d80 kernel/sched/core.c:7270 preempt_schedule_common+0xd4/0x190 kernel/sched/core.c:7449 preempt_schedule+0x60/0x78 kernel/sched/core.c:7473 __local_bh_enable_ip+0x20c/0x35c kernel/softirq.c:480 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:237 [inline] _raw_spin_unlock_bh+0x3c/0x4c kernel/locking/spinlock.c:245 spin_unlock_bh include/linux/spinlock.h:407 [inline] reg_process_pending_beacon_hints net/wireless/reg.c:3146 [inline] reg_todo+0x608/0x6a4 net/wireless/reg.c:3207 process_one_work kernel/workqueue.c:3387 [inline] process_scheduled_works+0x91c/0x1250 kernel/workqueue.c:3470 worker_thread+0x798/0xbd0 kernel/workqueue.c:3551 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:838 pool 6: task:kworker/1:3 state:R running task stack:0 pid:4468 tgid:4468 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: wg-kex-wg1 wg_packet_handshake_receive_worker Call trace: __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:775 (T) context_switch kernel/sched/core.c:5520 [inline] __schedule+0x1370/0x2d80 kernel/sched/core.c:7270 preempt_schedule_common+0xd4/0x190 kernel/sched/core.c:7449 preempt_schedule+0x60/0x78 kernel/sched/core.c:7473 __local_bh_enable_ip+0x20c/0x35c kernel/softirq.c:480 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:237 [inline] _raw_spin_unlock_bh+0x3c/0x4c kernel/locking/spinlock.c:245 spin_unlock_bh include/linux/spinlock.h:407 [inline] ptr_ring_consume_bh include/linux/ptr_ring.h:399 [inline] wg_packet_handshake_receive_worker+0x23c/0xcf8 drivers/net/wireguard/receive.c:212 process_one_work kernel/workqueue.c:3387 [inline] process_scheduled_works+0x91c/0x1250 kernel/workqueue.c:3470 worker_thread+0x798/0xbd0 kernel/workqueue.c:3551 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:838