bridge0: received packet on bridge_slave_0 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=0x0 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=7 refcnt=8 pending: 2*nsim_dev_hwstats_traffic_work, psi_avgs_work, 3*ovs_dp_masks_rebalance, vmstat_shepherd pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=11 refcnt=12 pending: 2*psi_avgs_work, 5*nsim_dev_hwstats_traffic_work, 3*ovs_dp_masks_rebalance, psi_avgs_work workqueue events_long: flags=0x0 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=3 refcnt=4 pending: 3*defense_work_handler pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4 in-flight: 6592:defense_work_handler pending: 2*defense_work_handler workqueue events_unbound: flags=0x2 pwq 8: cpus=0-1 flags=0x6 nice=0 active=26 refcnt=27 in-flight: 961:cfg80211_wiphy_work cfg80211_wiphy_work ,8412:cfg80211_wiphy_work cfg80211_wiphy_work ,41:cfg80211_wiphy_work cfg80211_wiphy_work ,12:cfg80211_wiphy_work cfg80211_wiphy_work ,8410:cfg80211_wiphy_work cfg80211_wiphy_work ,8416:macvlan_process_broadcast ,250:cfg80211_wiphy_work cfg80211_wiphy_work ,2244:cfg80211_wiphy_work cfg80211_wiphy_work ,2628:cfg80211_wiphy_work cfg80211_wiphy_work ,2064:nsim_dev_trap_report_work pending: nsim_dev_trap_report_work, flush_memcg_stats_dwork, 2*nsim_dev_trap_report_work, toggle_allocation_gate, 3*nsim_dev_trap_report_work pwq 8: cpus=0-1 flags=0x6 nice=0 active=6 refcnt=7 in-flight: 2158:linkwatch_event ,604:call_usermodehelper_exec_work ,4929:cfg80211_wiphy_work cfg80211_wiphy_work ,15:cfg80211_wiphy_work cfg80211_wiphy_work workqueue events_power_efficient: flags=0x82 pwq 8: cpus=0-1 flags=0x6 nice=0 active=9 refcnt=10 in-flight: 8415:reg_check_chans_work ,42:crda_timeout_work pending: fb_flashcursor, 2*neigh_managed_work, neigh_periodic_work, do_cache_clean, wg_ratelimiter_gc_entries, neigh_periodic_work pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2 in-flight: 8414:gc_worker 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: 8(RESCUER):cleanup_net workqueue mm_percpu_wq: flags=0x8 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=3 MAYDAY pending: vmstat_update pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: vmstat_update workqueue kblockd: flags=0x18 pwq 7: cpus=1 node=0 flags=0x0 nice=-20 active=4 refcnt=5 in-flight: 7486:blk_mq_timeout_work ,25:blk_mq_timeout_work pending: 2*blk_mq_timeout_work workqueue ipv6_addrconf: flags=0x6000a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=88 in-flight: 4209(RESCUER):addrconf_dad_work inactive: 77*addrconf_dad_work, 6*addrconf_verify_work workqueue krxrpcd: flags=0x2001a pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4 in-flight: 6551:rxrpc_peer_keepalive_worker workqueue bat_events: flags=0x6000a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=47 in-flight: 4284(RESCUER):batadv_tt_purge inactive: batadv_dat_purge, 2*batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, 3*batadv_nc_worker, batadv_dat_purge, batadv_bla_periodic_work, 2*batadv_nc_worker, 5*batadv_mcast_mla_update, batadv_purge_orig, 5*batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, 3*batadv_iv_send_outstanding_bat_ogm_packet, 2*batadv_purge_orig, 7*batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, 4*batadv_tt_purge workqueue hci2: flags=0x20012 pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4 in-flight: 6548:hci_cmd_sync_work workqueue wg-kex-wg0: flags=0x24 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2 in-flight: 6638:wg_packet_handshake_receive_worker pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker workqueue wg-crypt-wg0: flags=0x28 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=0x24 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2 in-flight: 6604:wg_packet_handshake_receive_worker pwq 6: cpus=1 node=0 flags=0x0 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=2 refcnt=3 pending: 2*wg_packet_handshake_send_worker workqueue wg-crypt-wg1: flags=0x28 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-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=0x0 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=2 refcnt=3 pending: 2*wg_packet_handshake_send_worker workqueue wg-crypt-wg2: flags=0x28 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 hci4: flags=0x20012 pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4 in-flight: 6139:hci_cmd_sync_work workqueue wg-kex-wg0: flags=0x24 pwq 6: cpus=1 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=0x28 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=0x24 pwq 6: cpus=1 node=0 flags=0x0 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=2 refcnt=3 pending: 2*wg_packet_handshake_send_worker workqueue wg-crypt-wg1: flags=0x28 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-wg2: flags=0x24 pwq 6: cpus=1 node=0 flags=0x0 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 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 loop1: flags=0x6 pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2 pending: loop_rootcg_workfn 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=2 refcnt=3 pending: 2*wg_packet_handshake_send_worker workqueue wg-crypt-wg0: flags=0x28 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=0x24 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2 in-flight: 6546:wg_packet_handshake_receive_worker pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker workqueue wg-crypt-wg1: flags=0x28 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-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=0x0 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=2 refcnt=3 pending: 2*wg_packet_handshake_send_worker workqueue wg-crypt-wg2: flags=0x28 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3 pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker workqueue hci3: flags=0x20012 pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4 in-flight: 6555:hci_cmd_sync_work workqueue wg-kex-wg0: flags=0x24 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2 in-flight: 11:wg_packet_handshake_receive_worker pwq 6: cpus=1 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=0x28 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4 in-flight: 6621:wg_packet_decrypt_worker pending: wg_packet_tx_worker, wg_packet_encrypt_worker workqueue wg-kex-wg1: flags=0x24 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2 in-flight: 9:wg_packet_handshake_receive_worker pwq 6: cpus=1 node=0 flags=0x0 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=2 refcnt=3 pending: 2*wg_packet_handshake_send_worker workqueue wg-crypt-wg1: flags=0x28 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-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=0x0 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=2 refcnt=3 pending: 2*wg_packet_handshake_send_worker workqueue wg-crypt-wg2: flags=0x28 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=3 MAYDAY pending: wg_packet_decrypt_worker 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=2 refcnt=3 pending: 2*wg_packet_handshake_send_worker workqueue wg-crypt-wg0: flags=0x28 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=0x24 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=2 in-flight: 6151:wg_packet_handshake_receive_worker pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker workqueue wg-crypt-wg1: flags=0x28 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=4 refcnt=5 in-flight: 2335:wg_packet_decrypt_worker 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=0x0 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 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 pool 2: cpus=0 node=0 flags=0x2 nice=0 hung=4s workers=7 manager: 6641 pool 6: cpus=1 node=0 flags=0x0 nice=0 hung=34s workers=8 idle: 8411 6674 24 6610 26 pool 7: cpus=1 node=0 flags=0x0 nice=-20 hung=24s workers=3 idle: 56 pool 8: cpus=0-1 flags=0x6 nice=0 hung=0s workers=18 manager: 8417 pool 9: cpus=0-1 node=0 flags=0x4 nice=-20 hung=0s workers=6 idle: 52 6554 Showing backtraces of running workers in stalled CPU-bound worker pools: pool 6: task:kworker/1:5 state:R running task stack:0 pid:6621 tgid:6621 ppid:2 task_flags:0x4208060 flags:0x20000010 Workqueue: wg-crypt-wg0 wg_packet_decrypt_worker Call trace: __switch_to+0x418/0x87c arch/arm64/kernel/process.c:741 (T) context_switch kernel/sched/core.c:5357 [inline] __schedule+0x13b0/0x2864 kernel/sched/core.c:6961 preempt_schedule_common+0xe0/0x194 kernel/sched/core.c:7145 preempt_schedule+0x60/0x80 kernel/sched/core.c:7169 __local_bh_enable_ip+0x20c/0x35c kernel/softirq.c:414 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_arch+0xb8/0x190 lib/crypto/arm64/poly1305-glue.c:41 poly1305_blocks lib/crypto/poly1305.c:37 [inline] poly1305_update+0xd0/0x188 lib/crypto/poly1305.c:45 chacha20poly1305_crypt_sg_inplace+0x6b8/0xbc0 lib/crypto/chacha20poly1305.c:304 chacha20poly1305_decrypt_sg_inplace+0x6c/0x94 lib/crypto/chacha20poly1305.c:353 decrypt_packet drivers/net/wireguard/receive.c:278 [inline] wg_packet_decrypt_worker+0x454/0x994 drivers/net/wireguard/receive.c:501 process_one_work+0x7e8/0x155c kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3400 kthread+0x5fc/0x75c kernel/kthread.c:463 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844 pool 6: task:kworker/1:3 state:R running task stack:0 pid:6592 tgid:6592 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: events_long defense_work_handler Call trace: __switch_to+0x418/0x87c arch/arm64/kernel/process.c:741 (T) context_switch kernel/sched/core.c:5357 [inline] __schedule+0x13b0/0x2864 kernel/sched/core.c:6961 preempt_schedule_common+0xe0/0x194 kernel/sched/core.c:7145 preempt_schedule+0x60/0x80 kernel/sched/core.c:7169 __local_bh_enable_ip+0x20c/0x35c kernel/softirq.c:414 local_bh_enable+0x28/0x34 include/linux/bottom_half.h:33 update_defense_level+0x5ec/0x984 net/netfilter/ipvs/ip_vs_ctl.c:210 defense_work_handler+0x30/0xdc net/netfilter/ipvs/ip_vs_ctl.c:235 process_one_work+0x7e8/0x155c kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3400 kthread+0x5fc/0x75c kernel/kthread.c:463 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844 pool 6: task:kworker/1:2 state:R running task stack:0 pid:2335 tgid:2335 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: wg-crypt-wg1 wg_packet_decrypt_worker Call trace: __switch_to+0x418/0x87c arch/arm64/kernel/process.c:741 (T) context_switch kernel/sched/core.c:5357 [inline] __schedule+0x13b0/0x2864 kernel/sched/core.c:6961 preempt_schedule_common+0xe0/0x194 kernel/sched/core.c:7145 preempt_schedule+0x60/0x80 kernel/sched/core.c:7169 __local_bh_enable_ip+0x20c/0x35c kernel/softirq.c:414 __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+0x218/0x994 drivers/net/wireguard/receive.c:499 process_one_work+0x7e8/0x155c kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3400 kthread+0x5fc/0x75c kernel/kthread.c:463 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844 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: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 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: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 bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)