bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 34s! Showing busy workqueues and worker pools: workqueue events: flags=0x0 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=9 refcnt=10 pending: 4*nsim_dev_hwstats_traffic_work, vmstat_shepherd, 4*ovs_dp_masks_rebalance pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=4 refcnt=5 pending: psi_avgs_work, nsim_dev_hwstats_traffic_work, 2*ovs_dp_masks_rebalance workqueue events_long: flags=0x0 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4 pending: 3*defense_work_handler pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=3 refcnt=4 pending: 3*defense_work_handler workqueue events_unbound: flags=0x2 pwq 8: cpus=0-1 flags=0x6 nice=0 active=10 refcnt=11 in-flight: 484:cfg80211_wiphy_work cfg80211_wiphy_work ,272:cfg80211_wiphy_work cfg80211_wiphy_work ,6517:cfg80211_wiphy_work cfg80211_wiphy_work ,566:cfg80211_wiphy_work cfg80211_wiphy_work ,507:cfg80211_wiphy_work cfg80211_wiphy_work pwq 8: cpus=0-1 flags=0x6 nice=0 active=13 refcnt=14 in-flight: 6515:nsim_dev_trap_report_work ,11:cfg80211_wiphy_work cfg80211_wiphy_work pending: crng_reseed, 2*kfree_rcu_monitor, toggle_allocation_gate, 2*nsim_dev_trap_report_work, flush_memcg_stats_dwork, macvlan_process_broadcast, 2*nsim_dev_trap_report_work workqueue events_power_efficient: flags=0x82 pwq 8: cpus=0-1 flags=0x6 nice=0 active=2 refcnt=3 in-flight: 6518:gc_worker ,44:neigh_periodic_work workqueue netns: flags=0x6000a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=4 in-flight: 43: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 workqueue writeback: flags=0x4a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2 in-flight: 719:wb_workfn workqueue dm_bufio_cache: flags=0x8 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: work_fn workqueue mld: flags=0x40008 pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=1 refcnt=15 in-flight: 4096(RESCUER):mld_ifc_work inactive: 5*mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, 4*mld_ifc_work workqueue ipv6_addrconf: flags=0x6000a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=428 in-flight: 806:addrconf_dad_work inactive: 424*addrconf_dad_work workqueue krxrpcd: flags=0x2001a pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=7 pending: rxrpc_peer_keepalive_worker inactive: 3*rxrpc_peer_keepalive_worker workqueue bat_events: flags=0x6000a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=49 in-flight: 4177(RESCUER):batadv_tt_purge inactive: 3*batadv_tt_purge, 2*batadv_dat_purge, 2*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, 4*batadv_nc_worker, 5*batadv_mcast_mla_update, 15*batadv_iv_send_outstanding_bat_ogm_packet, batadv_nc_worker, 5*batadv_purge_orig, batadv_tt_purge workqueue wg-crypt-wg0: flags=0x28 pwq 2: cpus=0 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-wg1: flags=0x24 pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=1 refcnt=2 in-flight: 6508:wg_packet_handshake_receive_worker workqueue wg-crypt-wg1: flags=0x28 pwq 2: cpus=0 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-wg2: flags=0x24 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3 in-flight: 6509:wg_packet_handshake_receive_worker pending: wg_packet_handshake_receive_worker pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=2 refcnt=3 in-flight: 6500:wg_packet_handshake_receive_worker 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 in-flight: 13:wg_packet_handshake_send_worker workqueue wg-crypt-wg2: flags=0x28 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-crypt-wg0: flags=0x28 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=0x28 pwq 2: cpus=0 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=0x24 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 in-flight: 641:wg_packet_handshake_send_worker workqueue wg-crypt-wg0: flags=0x28 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=0x2 nice=0 active=2 refcnt=3 in-flight: 6498:wg_packet_decrypt_worker wg_packet_decrypt_worker workqueue wg-kex-wg1: flags=0x24 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=0x2 nice=0 active=2 refcnt=3 in-flight: 25:wg_packet_handshake_receive_worker 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=0x28 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker workqueue wg-crypt-wg2: flags=0x28 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3 in-flight: 6499:wg_packet_decrypt_worker pending: wg_packet_encrypt_worker workqueue wg-kex-wg2: flags=0x24 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=0x2 nice=0 active=2 refcnt=3 in-flight: 6495:wg_packet_handshake_receive_worker wg_packet_handshake_receive_worker workqueue wg-crypt-wg2: flags=0x28 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_encrypt_worker workqueue wg-kex-wg0: flags=0x6 pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2 in-flight: 223:wg_packet_handshake_send_worker workqueue wg-crypt-wg0: flags=0x28 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_encrypt_worker workqueue wg-kex-wg1: flags=0x6 pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2 in-flight: 6519:wg_packet_handshake_send_worker workqueue wg-crypt-wg1: flags=0x28 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_encrypt_worker pool 2: cpus=0 node=0 flags=0x0 nice=0 hung=34s workers=7 idle: 8 10 1783 6497 6501 pool 6: cpus=1 node=0 flags=0x2 nice=0 hung=0s workers=6 manager: 27 pool 8: cpus=0-1 flags=0x6 nice=0 hung=0s workers=17 manager: 6520 Showing backtraces of running workers in stalled CPU-bound worker pools: pool 2: task:kworker/0:6 state:R running task stack:0 pid:6509 tgid:6509 ppid:2 task_flags:0x4208060 flags:0x00000008 Workqueue: wg-kex-wg2 wg_packet_handshake_receive_worker Call trace: __switch_to+0x414/0x788 arch/arm64/kernel/process.c:701 (T) context_switch kernel/sched/core.c:5378 [inline] __schedule+0x1360/0x257c kernel/sched/core.c:6765 preempt_schedule_common+0xe8/0x1dc kernel/sched/core.c:6944 preempt_schedule+0x60/0x80 kernel/sched/core.c:6968 __local_bh_enable_ip+0x244/0x44c kernel/softirq.c:396 __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] wg_index_hashtable_insert+0xf4/0x7d0 drivers/net/wireguard/peerlookup.c:126 wg_noise_handshake_create_response+0x810/0xc20 drivers/net/wireguard/noise.c:713 wg_packet_send_handshake_response+0xe4/0x258 drivers/net/wireguard/send.c:94 wg_receive_handshake_packet drivers/net/wireguard/receive.c:154 [inline] wg_packet_handshake_receive_worker+0x53c/0xc60 drivers/net/wireguard/receive.c:213 process_one_work+0x810/0x1638 kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3317 [inline] worker_thread+0x97c/0xeec kernel/workqueue.c:3398 kthread+0x65c/0x7b0 kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 pool 2: task:kworker/0:4 state:R running task stack:0 pid:6499 tgid:6499 ppid:2 task_flags:0x4208060 flags:0x00000008 Workqueue: wg-crypt-wg2 wg_packet_decrypt_worker Call trace: __switch_to+0x414/0x788 arch/arm64/kernel/process.c:701 (T) context_switch kernel/sched/core.c:5378 [inline] __schedule+0x1360/0x257c kernel/sched/core.c:6765 preempt_schedule_common+0xe8/0x1dc kernel/sched/core.c:6944 preempt_schedule+0x60/0x80 kernel/sched/core.c:6968 __local_bh_enable_ip+0x244/0x44c kernel/softirq.c:396 __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:367 [inline] wg_packet_decrypt_worker+0x230/0x9cc drivers/net/wireguard/receive.c:499 process_one_work+0x810/0x1638 kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3317 [inline] worker_thread+0x97c/0xeec kernel/workqueue.c:3398 kthread+0x65c/0x7b0 kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)