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=0x2 nice=0 stuck for 31s! Showing busy workqueues and worker pools: workqueue events: flags=0x0 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=18 refcnt=19 in-flight: 6610:drain_vmap_area_work ,1818:request_firmware_work_func ,6601:free_ipc pending: nsim_dev_hwstats_traffic_work, psi_avgs_work, vmstat_shepherd, 3*psi_avgs_work, 3*ovs_dp_masks_rebalance, free_obj_work, drain_vmap_area_work, 3*destroy_super_work, psi_avgs_work pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=4 refcnt=5 pending: 4*nsim_dev_hwstats_traffic_work workqueue events_long: flags=0x0 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=2 refcnt=3 pending: 2*defense_work_handler workqueue events_unbound: flags=0x2 pwq 8: cpus=0-1 flags=0x6 nice=0 active=20 refcnt=21 in-flight: 41:cfg80211_wiphy_work cfg80211_wiphy_work ,12:cfg80211_wiphy_work cfg80211_wiphy_work ,6915:cfg80211_wiphy_work cfg80211_wiphy_work ,42:cfg80211_wiphy_work cfg80211_wiphy_work ,206:linkwatch_event ,667:cfg80211_wiphy_work cfg80211_wiphy_work ,4409:cfg80211_wiphy_work cfg80211_wiphy_work pending: 6*macvlan_process_broadcast pwq 8: cpus=0-1 flags=0x6 nice=0 active=17 refcnt=18 in-flight: 14:fsnotify_mark_destroy_workfn ,6918:fsnotify_connector_destroy_workfn ,325:cfg80211_wiphy_work cfg80211_wiphy_work ,4470:cfg80211_wiphy_work cfg80211_wiphy_work ,6916:nsim_dev_trap_report_work ,1626:cfg80211_wiphy_work cfg80211_wiphy_work pending: 2*nsim_dev_trap_report_work, 2*macvlan_process_broadcast, nsim_dev_trap_report_work, flush_memcg_stats_dwork, macvlan_process_broadcast, toggle_allocation_gate, 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: 1581:neigh_periodic_work pending: check_lifetime pwq 8: cpus=0-1 flags=0x6 nice=0 active=8 refcnt=9 in-flight: 6917:reg_check_chans_work pending: check_lifetime, do_cache_clean, wg_ratelimiter_gc_entries, neigh_periodic_work, gc_worker, 2*neigh_managed_work workqueue rcu_gp: flags=0x8 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=2 refcnt=3 pending: process_srcu, srcu_invoke_callbacks workqueue mm_percpu_wq: flags=0x8 pwq 2: cpus=0 node=0 flags=0x2 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=10 in-flight: 4170(RESCUER):addrconf_verify_work inactive: 5*addrconf_verify_work workqueue bat_events: flags=0x6000a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=48 in-flight: 4251(RESCUER):batadv_tt_purge inactive: 5*batadv_mcast_mla_update, 2*batadv_iv_send_outstanding_bat_ogm_packet, 5*batadv_purge_orig, 13*batadv_iv_send_outstanding_bat_ogm_packet, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, 2*batadv_bla_periodic_work, 2*batadv_dat_purge, 5*batadv_nc_worker, 3*batadv_tt_purge workqueue wg-kex-wg0: flags=0x24 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=2 refcnt=3 in-flight: 6532:wg_packet_handshake_receive_worker 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=0x28 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=3 refcnt=4 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=0x28 pwq 2: cpus=0 node=0 flags=0x2 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=0x2 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker workqueue wg-crypt-wg2: flags=0x28 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=2 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_tx_worker workqueue wg-kex-wg0: flags=0x24 pwq 2: cpus=0 node=0 flags=0x2 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=0x28 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=3 refcnt=4 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=2 refcnt=3 pending: 2*wg_packet_handshake_send_worker workqueue wg-crypt-wg1: flags=0x28 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=3 refcnt=4 pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_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=0x28 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=3 refcnt=4 pending: wg_packet_tx_worker, wg_packet_encrypt_worker, wg_packet_decrypt_worker workqueue wg-crypt-wg0: flags=0x28 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=3 refcnt=4 pending: wg_packet_tx_worker, wg_packet_encrypt_worker, wg_packet_decrypt_worker workqueue wg-kex-wg2: flags=0x24 pwq 2: cpus=0 node=0 flags=0x2 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: 6631:wg_packet_handshake_receive_worker wg_packet_handshake_receive_worker workqueue wg-crypt-wg2: flags=0x28 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=2 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_tx_worker workqueue wg-crypt-wg1: flags=0x28 pwq 2: cpus=0 node=0 flags=0x2 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 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=1 refcnt=2 in-flight: 24: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=0x2 nice=0 active=3 refcnt=4 pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_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=0x28 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=2 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_tx_worker workqueue wg-crypt-wg2: flags=0x28 pwq 2: cpus=0 node=0 flags=0x2 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=0x2 nice=0 active=3 refcnt=4 pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_worker workqueue wg-kex-wg1: flags=0x24 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2 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=0x28 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=3 refcnt=4 pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_worker pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=1 refcnt=2 pending: wg_packet_encrypt_worker workqueue wg-kex-wg2: flags=0x24 pwq 2: cpus=0 node=0 flags=0x2 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=0x28 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2 pending: wg_packet_encrypt_worker pool 2: cpus=0 node=0 flags=0x2 nice=0 hung=31s workers=8 manager: 6641 idle: 9 6283 11 pool 6: cpus=1 node=0 flags=0x2 nice=0 hung=0s workers=7 manager: 6920 idle: 26 6535 2291 6611 pool 8: cpus=0-1 flags=0x6 nice=0 hung=0s workers=16 manager: 6919 Showing backtraces of running workers in stalled CPU-bound worker pools: pool 2: task:kworker/0:6 state:R running task stack:0 pid:6610 tgid:6610 ppid:2 task_flags:0x4208060 flags:0x80000010 Workqueue: events drain_vmap_area_work Call trace: __switch_to+0x414/0x834 arch/arm64/kernel/process.c:737 (T) context_switch kernel/sched/core.c:5396 [inline] __schedule+0x1414/0x2a28 kernel/sched/core.c:6785 preempt_schedule_common+0xe0/0x194 kernel/sched/core.c:6965 preempt_schedule+0x60/0x80 kernel/sched/core.c:6989 __raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline] _raw_spin_unlock+0x74/0x78 kernel/locking/spinlock.c:186 spin_unlock include/linux/spinlock.h:391 [inline] kasan_depopulate_vmalloc_pte+0xc0/0x124 mm/kasan/shadow.c:474 apply_to_pte_range mm/memory.c:3032 [inline] apply_to_pmd_range mm/memory.c:3076 [inline] apply_to_pud_range mm/memory.c:3112 [inline] apply_to_p4d_range mm/memory.c:3148 [inline] __apply_to_page_range+0xd8c/0x14fc mm/memory.c:3184 apply_to_existing_page_range+0x4c/0x64 mm/memory.c:3217 kasan_release_vmalloc+0x94/0x1d8 mm/kasan/shadow.c:593 kasan_release_vmalloc_node mm/vmalloc.c:2241 [inline] purge_vmap_node+0x204/0x87c mm/vmalloc.c:2258 __purge_vmap_area_lazy+0x734/0xbe4 mm/vmalloc.c:2348 drain_vmap_area_work+0x38/0x50 mm/vmalloc.c:2382 process_one_work+0x7e8/0x155c kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3321 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3402 kthread+0x5fc/0x75c kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:847 pool 2: task:kworker/0:5 state:R running task stack:0 pid:6601 tgid:6601 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: events free_ipc Call trace: __switch_to+0x414/0x834 arch/arm64/kernel/process.c:737 (T) context_switch kernel/sched/core.c:5396 [inline] __schedule+0x1414/0x2a28 kernel/sched/core.c:6785 __schedule_loop kernel/sched/core.c:6863 [inline] schedule+0xb4/0x230 kernel/sched/core.c:6878 schedule_timeout+0xac/0x270 kernel/time/sleep_timeout.c:75 do_wait_for_common+0x288/0x3f8 kernel/sched/completion.c:95 __wait_for_common kernel/sched/completion.c:116 [inline] wait_for_common kernel/sched/completion.c:127 [inline] wait_for_completion_state+0x48/0x70 kernel/sched/completion.c:264 __wait_rcu_gp+0x284/0x2b8 kernel/rcu/update.c:443 synchronize_rcu_normal+0x1dc/0x230 kernel/rcu/tree.c:3247 synchronize_rcu+0x1ec/0x250 kernel/rcu/tree.c:3325 free_ipc+0xb4/0x280 ipc/namespace.c:178 process_one_work+0x7e8/0x155c kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3321 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3402 kthread+0x5fc/0x75c kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:847 pool 2: task:kworker/0:4 state:R running task stack:0 pid:6532 tgid:6532 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: wg-kex-wg0 wg_packet_handshake_receive_worker Call trace: __switch_to+0x414/0x834 arch/arm64/kernel/process.c:737 (T) context_switch kernel/sched/core.c:5396 [inline] __schedule+0x1414/0x2a28 kernel/sched/core.c:6785 preempt_schedule_common+0xe0/0x194 kernel/sched/core.c:6965 preempt_schedule+0x60/0x80 kernel/sched/core.c:6989 __local_bh_enable_ip+0x20c/0x35c kernel/softirq.c:414 local_bh_enable+0x28/0x34 include/linux/bottom_half.h:33 rcu_read_unlock_bh include/linux/rcupdate.h:910 [inline] mod_peer_timer+0x1e0/0x220 drivers/net/wireguard/timers.c:38 wg_timers_session_derived+0x5c/0x6c drivers/net/wireguard/timers.c:208 wg_receive_handshake_packet drivers/net/wireguard/receive.c:178 [inline] wg_packet_handshake_receive_worker+0x540/0xc20 drivers/net/wireguard/receive.c:213 process_one_work+0x7e8/0x155c kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3321 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3402 kthread+0x5fc/0x75c kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:847 bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:39:43:c0:7a:a1, 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 veth0_to_bridge with own address as source address (addr:aa:39:43:c0:7a:a1, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:39:43:c0:7a:a1, 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 veth0_to_bridge with own address as source address (addr:aa:39:43:c0:7a:a1, 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 veth0_to_bridge with own address as source address (addr:aa:39:43:c0:7a:a1, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:39:43:c0:7a:a1, 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 veth0_to_bridge with own address as source address (addr:aa:39:43:c0:7a:a1, 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)