RBP: 00007f3405834ec4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f3405a26038 R14: 00007f3405a25fa0 R15: 00007ffe75692f48 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=28 refcnt=29 in-flight: 803:xfrm_state_gc_task for 191s pending: 4*psi_avgs_work, 8*ovs_dp_masks_rebalance, 10*nsim_dev_hwstats_traffic_work, psi_avgs_work, vmstat_shepherd, switchdev_deferred_process_work, 2*rht_deferred_worker workqueue events_long: flags=0x100 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=17 refcnt=18 pending: br_fdb_cleanup, 9*defense_work_handler, 2*br_fdb_cleanup, 5*br_multicast_gc_work workqueue events_unbound: flags=0x2 pwq 8: cpus=0-1 flags=0x6 nice=0 active=17 refcnt=18 in-flight: 13:nsim_dev_trap_report_work for 169s ,6171:idle_cull_fn for 5s ,20089:idle_cull_fn for 71s ,20092:nsim_dev_trap_report_work for 159s ,20091:nsim_dev_trap_report_work for 157s ,138:nsim_dev_trap_report_work for 161s ,6182:nsim_dev_trap_report_work for 184s ,6181:nsim_dev_trap_report_work for 155s ,1169:linkwatch_event for 251s ,6173:nsim_dev_trap_report_work for 195s pending: nsim_dev_trap_report_work, flush_memcg_stats_dwork, 2*nsim_dev_trap_report_work, toggle_allocation_gate, macvlan_process_broadcast, cfg80211_wiphy_work workqueue events_power_efficient: flags=0x180 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=20 refcnt=21 in-flight: 17878:neigh_periodic_work for 173s pending: hash_ipport6_gc, gc_worker, check_lifetime, reg_check_chans_work, 2*check_lifetime, nf_flow_offload_work_gc, wg_ratelimiter_gc_entries, 2*neigh_managed_work, check_lifetime, do_cache_clean, hash_ipport6_gc, 3*check_lifetime, neigh_periodic_work, 2*check_lifetime workqueue events_freezable_pwr_efficient: flags=0x184 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: sync_hw_clock workqueue netns: flags=0x6000a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=5 in-flight: 20087:cleanup_net for 292s inactive: cleanup_net workqueue mm_percpu_wq: flags=0x108 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: vmstat_update workqueue mld: flags=0x40108 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: mld_query_work workqueue ipv6_addrconf: flags=0x6000a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=13 in-flight: 149:addrconf_dad_work for 260s inactive: 9*addrconf_verify_work workqueue krxrpcd: flags=0x2001a pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=11 pending: rxrpc_peer_keepalive_worker inactive: 7*rxrpc_peer_keepalive_worker workqueue bat_events: flags=0x6000a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=56 in-flight: 79:batadv_tt_purge for 251s inactive: 8*batadv_mcast_mla_update, 8*batadv_iv_send_outstanding_bat_ogm_packet, 8*batadv_purge_orig, 5*batadv_iv_send_outstanding_bat_ogm_packet, batadv_dat_purge, 2*batadv_bla_periodic_work, batadv_dat_purge, 7*batadv_tt_purge, batadv_dat_purge, 4*batadv_bla_periodic_work, 3*batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge workqueue wg-kex-wg0: flags=0x6 pwq 8: cpus=0-1 flags=0x6 nice=0 active=3 refcnt=4 in-flight: 18538:wg_packet_handshake_send_worker for 233s ,36:wg_packet_handshake_send_worker for 207s wg_packet_handshake_send_worker workqueue wg-kex-wg1: flags=0x6 pwq 8: cpus=0-1 flags=0x6 nice=0 active=3 refcnt=4 in-flight: 6184:wg_packet_handshake_send_worker for 180s wg_packet_handshake_send_worker ,20084:wg_packet_handshake_send_worker for 6s workqueue wg-kex-wg2: flags=0x6 pwq 8: cpus=0-1 flags=0x6 nice=0 active=2 refcnt=3 pending: 2*wg_packet_handshake_send_worker workqueue wg-kex-wg0: flags=0x6 pwq 8: cpus=0-1 flags=0x6 nice=0 active=3 refcnt=4 in-flight: 20713:wg_packet_handshake_send_worker for 158s wg_packet_handshake_send_worker pending: wg_packet_handshake_send_worker workqueue wg-crypt-wg0: flags=0x128 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4 pending: 2*wg_packet_tx_worker, wg_packet_encrypt_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 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3 pending: 2*wg_packet_tx_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 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3 pending: 2*wg_packet_tx_worker workqueue bond1: flags=0x2000a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=6 MAYDAY pending: bond_3ad_state_machine_handler inactive: bond_mii_monitor workqueue bond1: flags=0x2000a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=6 MAYDAY pending: bond_alb_monitor inactive: bond_mii_monitor workqueue bond1: flags=0x2000a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=6 MAYDAY pending: bond_mii_monitor inactive: bond_alb_monitor workqueue hci6: flags=0x20012 pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4 in-flight: 19299:hci_cmd_sync_work for 169s workqueue hci4: flags=0x20012 pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4 pending: hci_conn_timeout workqueue bond6: flags=0x2000a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=6 in-flight: 6177:bond_3ad_state_machine_handler for 166s inactive: bond_slave_arr_handler, bond_mii_monitor pool 2: cpus=0 node=0 flags=0x0 nice=0 hung=174s workers=5 idle: 10 13478 9986 pool 8: cpus=0-1 flags=0x6 nice=0 hung=6s workers=20 manager: 20714 pool 9: cpus=0-1 node=0 flags=0x4 nice=-20 hung=150s workers=3 idle: 17289 5627 Showing backtraces of busy workers in stalled worker pools: pool 2: task:kworker/0:0 state:R running task stack:26056 pid:17878 tgid:17878 ppid:2 task_flags:0x4208060 flags:0x00080000 Workqueue: events_power_efficient neigh_periodic_work Call Trace: context_switch kernel/sched/core.c:5510 [inline] __schedule+0x125c/0x6730 kernel/sched/core.c:7234 preempt_schedule_common+0x42/0xc0 kernel/sched/core.c:7413 preempt_schedule_thunk+0x16/0x40 arch/x86/entry/thunk.S:12 __local_bh_enable_ip+0xff/0x120 kernel/softirq.c:457 spin_unlock_bh include/linux/spinlock.h:396 [inline] neigh_periodic_work+0x6da/0xc10 net/core/neighbour.c:1035 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322 process_scheduled_works kernel/workqueue.c:3405 [inline] worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486 kthread+0x370/0x450 kernel/kthread.c:436 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 pool 2: task:kworker/0:2 state:D stack:21632 pid:803 tgid:803 ppid:2 task_flags:0x4208060 flags:0x00080000 Workqueue: events xfrm_state_gc_task Call Trace: context_switch kernel/sched/core.c:5510 [inline] __schedule+0x125c/0x6730 kernel/sched/core.c:7234 __schedule_loop kernel/sched/core.c:7311 [inline] schedule+0xdd/0x2c0 kernel/sched/core.c:7326 synchronize_rcu_expedited+0x39a/0x450 kernel/rcu/tree_exp.h:976 xfrm_state_gc_task+0xd3/0x7b0 net/xfrm/xfrm_state.c:633 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322 process_scheduled_works kernel/workqueue.c:3405 [inline] worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486 kthread+0x370/0x450 kernel/kthread.c:436 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245