bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 34s! Showing busy workqueues and worker pools: workqueue events: flags=0x100 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=4 refcnt=5 pending: 4*nsim_dev_hwstats_traffic_work pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=8 refcnt=9 in-flight: 24:request_firmware_work_func pending: 2*nsim_dev_hwstats_traffic_work, 2*psi_avgs_work, 2*ovs_dp_masks_rebalance, free_obj_work workqueue events_long: flags=0x100 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=6 refcnt=7 pending: 6*defense_work_handler workqueue events_unbound: flags=0x2 pwq 8: cpus=0-1 flags=0x6 nice=0 active=3 refcnt=4 in-flight: 4413:cfg80211_wiphy_work cfg80211_wiphy_work pending: toggle_allocation_gate pwq 8: cpus=0-1 flags=0x6 nice=0 active=18 refcnt=19 in-flight: 6801:cfg80211_wiphy_work cfg80211_wiphy_work ,12:cfg80211_wiphy_work ,41:cfg80211_wiphy_work cfg80211_wiphy_work ,7771:cfg80211_wiphy_work ,42:cfg80211_wiphy_work cfg80211_wiphy_work ,7770:cfg80211_wiphy_work ,736:cfg80211_wiphy_work ,4713:cfg80211_wiphy_work cfg80211_wiphy_work pending: cfg80211_wiphy_work, flush_memcg_stats_dwork, 4*cfg80211_wiphy_work workqueue events_unbound: flags=0x2 pwq 8: cpus=0-1 flags=0x6 nice=0 active=9 refcnt=10 pending: 4*nsim_dev_trap_report_work, 4*macvlan_process_broadcast, nsim_dev_trap_report_work pwq 8: cpus=0-1 flags=0x6 nice=0 active=7 refcnt=8 in-flight: 14:linkwatch_event pending: nsim_dev_trap_report_work, 5*macvlan_process_broadcast workqueue events_power_efficient: flags=0x182 pwq 8: cpus=0-1 flags=0x6 nice=0 active=3 refcnt=4 pending: do_cache_clean, neigh_managed_work, neigh_periodic_work pwq 8: cpus=0-1 flags=0x6 nice=0 active=6 refcnt=7 in-flight: 4870:neigh_periodic_work pending: neigh_managed_work, gc_worker, fb_flashcursor, wg_ratelimiter_gc_entries, reg_check_chans_work workqueue netns: flags=0x6000a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=5 in-flight: 2134:cleanup_net inactive: cleanup_net workqueue mm_percpu_wq: flags=0x8 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=2 refcnt=4 MAYDAY in-flight: 4512:wb_workfn pending: wb_workfn workqueue gid-cache-wq: flags=0x20002 pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=5 pending: netdevice_event_work_handler inactive: update_gid_event_work_handler workqueue bat_events: flags=0x6000a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=55 in-flight: 4308(RESCUER):batadv_dat_purge inactive: 2*batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, 7*batadv_tt_purge, batadv_purge_orig, batadv_dat_purge, batadv_bla_periodic_work, 6*batadv_mcast_mla_update, 2*batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, 2*batadv_iv_send_outstanding_bat_ogm_packet, batadv_bla_periodic_work, batadv_dat_purge, 2*batadv_iv_send_outstanding_bat_ogm_packet, 5*batadv_purge_orig, 7*batadv_iv_send_outstanding_bat_ogm_packet, batadv_mcast_mla_update, 4*batadv_iv_send_outstanding_bat_ogm_packet, 2*batadv_dat_purge, 2*batadv_bla_periodic_work 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=3 refcnt=4 in-flight: 6555:wg_packet_encrypt_worker wg_packet_encrypt_worker pending: wg_packet_decrypt_worker workqueue wg-crypt-wg1: flags=0x128 pwq 6: cpus=1 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-wg2: flags=0x128 pwq 6: cpus=1 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-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_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 6: cpus=1 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-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=3 refcnt=4 in-flight: 6670:wg_packet_encrypt_worker 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-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=3 refcnt=4 in-flight: 6552:wg_packet_tx_worker pending: wg_packet_encrypt_worker, wg_packet_tx_worker workqueue wg-crypt-wg2: flags=0x128 pwq 6: cpus=1 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-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_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=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-wg2: flags=0x128 pwq 6: cpus=1 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-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_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_worker workqueue wg-crypt-wg2: flags=0x128 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4 pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_worker workqueue loop0: flags=0x6 pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2 pending: loop_rootcg_workfn pool 6: cpus=1 node=0 flags=0x0 nice=0 hung=34s workers=6 idle: 26 1812 pool 8: cpus=0-1 flags=0x6 nice=0 hung=0s workers=14 manager: 7772 Showing backtraces of running workers in stalled CPU-bound worker pools: pool 6: task:kworker/1:3 state:R running task stack:0 pid:6552 tgid:6552 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: wg-crypt-wg0 wg_packet_tx_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_read_unlock_bh include/linux/rwlock_api_smp.h:257 [inline] _raw_read_unlock_bh+0x3c/0x4c kernel/locking/spinlock.c:284 wg_socket_send_skb_to_peer+0x154/0x1a4 drivers/net/wireguard/socket.c:184 wg_packet_create_data_done drivers/net/wireguard/send.c:251 [inline] wg_packet_tx_worker+0x19c/0x6c8 drivers/net/wireguard/send.c:276 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 pool 6: task:kworker/1:5 state:R running task stack:0 pid:6670 tgid:6670 ppid:2 task_flags:0x4208060 flags:0x20000010 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 local_bh_enable+0x28/0x34 include/linux/bottom_half.h:33 put_cpu_fpsimd_context arch/arm64/kernel/fpsimd.c:244 [inline] kernel_neon_begin+0x29c/0x484 arch/arm64/kernel/fpsimd.c:1877 poly1305_blocks+0xb4/0x18c lib/crypto/arm64/poly1305.h:34 poly1305_update+0x168/0x3a0 lib/crypto/poly1305.c:59 chacha20poly1305_crypt_sg_inplace+0x6b8/0xbc0 lib/crypto/chacha20poly1305.c:304 chacha20poly1305_encrypt_sg_inplace+0x54/0x70 lib/crypto/chacha20poly1305.c:340 encrypt_packet drivers/net/wireguard/send.c:216 [inline] wg_packet_encrypt_worker+0x710/0x11e0 drivers/net/wireguard/send.c:297 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 pool 6: task:kworker/1:4 state:R running task stack:0 pid:6555 tgid:6555 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+0x214/0x11e0 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 net_ratelimit: 76354 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:2e:84:f2:47:3b:e3, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:2e:84:f2:47:3b:e3, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) net_ratelimit: 78598 callbacks suppressed bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:2e:84:f2:47:3b:e3, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:2e:84:f2:47:3b:e3, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)