bridge0: received packet on veth0_to_bridge with own address as source address (addr:22:b8:67:e5:06:49, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:22:b8:67:e5:06:49, vlan:0) BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 48s! Showing busy workqueues and worker pools: workqueue events: flags=0x100 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=10 refcnt=11 pending: psi_avgs_work, 2*nsim_dev_hwstats_traffic_work, 2*psi_avgs_work, vmstat_shepherd, 4*ovs_dp_masks_rebalance pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=5 refcnt=6 in-flight: 2369:request_firmware_work_func pending: 3*nsim_dev_hwstats_traffic_work, psi_avgs_work workqueue events_highpri: flags=0x110 pwq 3: cpus=0 node=0 flags=0x0 nice=-20 active=2 refcnt=4 pending: fill_page_cache_func, flush_backlog BAR(12) pwq 7: cpus=1 node=0 flags=0x2 nice=-20 active=1 refcnt=2 pending: flush_backlog workqueue events_long: flags=0x100 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: defense_work_handler pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=5 refcnt=6 pending: 5*defense_work_handler workqueue events_unbound: flags=0x2 pwq 8: cpus=0-1 flags=0x6 nice=0 active=12 refcnt=13 in-flight: 877:cfg80211_wiphy_work ,14:cfg80211_wiphy_work ,246:cfg80211_wiphy_work ,756:cfg80211_wiphy_work ,41:cfg80211_wiphy_work pending: 7*cfg80211_wiphy_work pwq 8: cpus=0-1 flags=0x6 nice=0 active=9 refcnt=10 in-flight: 6825:cfg80211_wiphy_work ,6687:cfg80211_wiphy_work cfg80211_wiphy_work ,42:cfg80211_wiphy_work pending: crng_reseed, toggle_allocation_gate, cfg80211_wiphy_work, flush_memcg_stats_dwork, cfg80211_wiphy_work workqueue events_unbound: flags=0x2 pwq 8: cpus=0-1 flags=0x6 nice=0 active=6 refcnt=7 in-flight: 6667:linkwatch_event linkwatch_event pending: nsim_dev_trap_report_work, macvlan_process_broadcast, nsim_dev_trap_report_work, macvlan_process_broadcast pwq 8: cpus=0-1 flags=0x6 nice=0 active=11 refcnt=12 pending: nsim_dev_trap_report_work, 5*macvlan_process_broadcast, 2*nsim_dev_trap_report_work, 3*macvlan_process_broadcast workqueue events_power_efficient: flags=0x182 pwq 8: cpus=0-1 flags=0x6 nice=0 active=5 refcnt=6 pending: fb_flashcursor, neigh_managed_work, neigh_periodic_work, wg_ratelimiter_gc_entries, gc_worker pwq 8: cpus=0-1 flags=0x6 nice=0 active=3 refcnt=4 pending: neigh_managed_work, neigh_periodic_work, do_cache_clean workqueue rcu_gp: flags=0x108 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 in-flight: 6557:process_srcu workqueue kvfree_rcu_reclaim: flags=0xa pwq 8: cpus=0-1 flags=0x6 nice=0 active=2 refcnt=4 MAYDAY pending: 2*kfree_rcu_monitor workqueue netns: flags=0x6000a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=5 in-flight: 12:cleanup_net inactive: cleanup_net workqueue mm_percpu_wq: flags=0x8 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=0x6 nice=0 active=1 refcnt=3 in-flight: 34(RESCUER):wb_workfn workqueue kblockd: flags=0x18 pwq 3: cpus=0 node=0 flags=0x0 nice=-20 active=2 refcnt=3 pending: blk_mq_timeout_work, blk_mq_run_work_fn pwq 7: cpus=1 node=0 flags=0x2 nice=-20 active=2 refcnt=4 in-flight: 38(RESCUER):blk_mq_timeout_work ,57:blk_mq_timeout_work workqueue gid-cache-wq: flags=0x20002 pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=4 pending: update_gid_event_work_handler workqueue bat_events: flags=0x6000a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=43 in-flight: 4310(RESCUER):batadv_tt_purge inactive: batadv_tt_purge, batadv_iv_send_outstanding_bat_ogm_packet, 2*batadv_purge_orig, batadv_iv_send_outstanding_bat_ogm_packet, batadv_tt_purge, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, 3*batadv_iv_send_outstanding_bat_ogm_packet, 5*batadv_mcast_mla_update, 8*batadv_iv_send_outstanding_bat_ogm_packet, 3*batadv_purge_orig, batadv_tt_purge, 2*batadv_iv_send_outstanding_bat_ogm_packet workqueue wg-crypt-wg0: 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-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: wg_packet_tx_worker, wg_packet_encrypt_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_encrypt_worker workqueue wg-crypt-wg0: 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 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_tx_worker, wg_packet_encrypt_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: wg_packet_tx_worker, wg_packet_encrypt_worker workqueue wg-crypt-wg0: flags=0x128 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=4 refcnt=5 in-flight: 2342:wg_packet_encrypt_worker pending: wg_packet_tx_worker, wg_packet_encrypt_worker, wg_packet_decrypt_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=3 refcnt=4 pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_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-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-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=3 refcnt=4 pending: wg_packet_decrypt_worker, wg_packet_tx_worker, wg_packet_encrypt_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_encrypt_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-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 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=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=3 refcnt=4 pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker, 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: wg_packet_tx_worker, wg_packet_encrypt_worker workqueue loop3: flags=0x6 pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2 pending: loop_workfn workqueue loop4: flags=0x6 pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2 pending: loop_rootcg_workfn workqueue xfs-reclaim/loop3: flags=0x10c pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: xfs_reclaim_worker workqueue xfs-sync/loop3: flags=0x104 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: xfs_log_worker pool 2: cpus=0 node=0 flags=0x0 nice=0 hung=48s workers=5 idle: 6635 9 10 6661 pool 6: cpus=1 node=0 flags=0x0 nice=0 hung=1s workers=8 idle: 6621 26 6558 6616 6607 24 pool 7: cpus=1 node=0 flags=0x2 nice=-20 hung=1s workers=2 manager: 25 pool 8: cpus=0-1 flags=0x6 nice=0 hung=0s workers=11 manager: 6826 Showing backtraces of running workers in stalled CPU-bound worker pools: pool 2: task:kworker/0:2 state:R running task stack:0 pid:2342 tgid:2342 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: wg-crypt-wg0 wg_packet_encrypt_worker Call trace: __switch_to+0x418/0x87c arch/arm64/kernel/process.c:741 (T) context_switch kernel/sched/core.c:5325 [inline] __schedule+0x13b0/0x2864 kernel/sched/core.c:6929 preempt_schedule_common+0xe0/0x194 kernel/sched/core.c:7113 preempt_schedule+0x60/0x80 kernel/sched/core.c:7137 __local_bh_enable_ip+0x20c/0x35c kernel/softirq.c:457 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline] _raw_spin_unlock_bh+0x3c/0x4c kernel/locking/spinlock.c:210 spin_unlock_bh include/linux/spinlock.h:396 [inline] ptr_ring_consume_bh include/linux/ptr_ring.h:377 [inline] wg_packet_encrypt_worker+0x1154/0x11e0 drivers/net/wireguard/send.c:293 process_one_work+0x7e8/0x155c kernel/workqueue.c:3263 process_scheduled_works kernel/workqueue.c:3346 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3427 kthread+0x5fc/0x75c kernel/kthread.c:463 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844 bridge0: received packet on veth0_to_bridge with own address as source address (addr:22:b8:67:e5:06:49, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:22:b8:67:e5:06:49, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:22:b8:67:e5:06:49, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:22:b8:67:e5:06:49, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:22:b8:67:e5:06:49, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:22:b8:67:e5:06:49, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:22:b8:67:e5:06:49, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:22:b8:67:e5:06:49, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:22:b8:67:e5:06:49, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:22:b8:67:e5:06:49, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:22:b8:67:e5:06:49, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:22:b8:67:e5:06:49, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:22:b8:67:e5:06:49, vlan:0)