bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0) BUG: workqueue lockup - pool cpus=1 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=0x2 nice=0 active=11 refcnt=12 in-flight: 6597:nsim_fib_event_work ,6692:nsim_fib_event_work ,11:switchdev_deferred_process_work pending: 2*nsim_dev_hwstats_traffic_work, psi_avgs_work, vmstat_shepherd, psi_avgs_work, 3*ovs_dp_masks_rebalance pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=9 refcnt=10 pending: nsim_dev_hwstats_traffic_work, free_obj_work, drm_fb_helper_damage_work, psi_avgs_work, rht_deferred_worker, reg_todo, 3*ovs_dp_masks_rebalance workqueue events_long: flags=0x100 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=7 refcnt=8 pending: 7*defense_work_handler pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4 pending: 3*defense_work_handler workqueue events_unbound: flags=0x2 pwq 8: cpus=0-1 flags=0x4 nice=0 active=10 refcnt=11 in-flight: 15:cfg80211_wiphy_work cfg80211_wiphy_work ,553:cfg80211_wiphy_work cfg80211_wiphy_work ,12:cfg80211_wiphy_work cfg80211_wiphy_work ,41:cfg80211_wiphy_work cfg80211_wiphy_work pending: toggle_allocation_gate, flush_memcg_stats_dwork workqueue events_unbound: flags=0x2 pwq 8: cpus=0-1 flags=0x4 nice=0 active=3 refcnt=4 in-flight: 7428:nsim_dev_trap_report_work ,4518:nsim_dev_trap_report_work pending: nsim_dev_trap_report_work workqueue events_power_efficient: flags=0x182 pwq 8: cpus=0-1 flags=0x4 nice=0 active=4 refcnt=5 pending: do_cache_clean, fb_flashcursor, wg_ratelimiter_gc_entries, neigh_periodic_work workqueue kvfree_rcu_reclaim: flags=0xa pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 pending: kfree_rcu_monitor workqueue netns: flags=0x6000a pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=4 in-flight: 42: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=0x4 nice=0 active=1 refcnt=3 in-flight: 34(RESCUER):wb_workfn workqueue mld: flags=0x40108 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=77 in-flight: 4232(RESCUER):mld_ifc_work inactive: 7*mld_ifc_work, 67*mld_dad_work pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=31 in-flight: 6667:mld_ifc_work inactive: 11*mld_ifc_work, 3*mld_dad_work, mld_ifc_work, mld_dad_work, 8*mld_ifc_work, mld_dad_work, 4*mld_ifc_work workqueue ipv6_addrconf: flags=0x6000a pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=79 in-flight: 4233(RESCUER):addrconf_dad_work inactive: 74*addrconf_dad_work workqueue bat_events: flags=0x6000a pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=46 in-flight: 4309(RESCUER):batadv_tt_purge inactive: batadv_tt_purge, 2*batadv_mcast_mla_update, batadv_tt_purge, batadv_mcast_mla_update, batadv_purge_orig, batadv_tt_purge, batadv_mcast_mla_update, 2*batadv_iv_send_outstanding_bat_ogm_packet, 2*batadv_purge_orig, 6*batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, 2*batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, batadv_iv_send_outstanding_bat_ogm_packet, 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, batadv_dat_purge, batadv_bla_periodic_work, 2*batadv_mcast_mla_update, 2*batadv_tt_purge workqueue wg-kex-wg0: flags=0x124 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-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=0x124 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=2 refcnt=3 in-flight: 9:wg_packet_handshake_receive_worker 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-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=0x124 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-crypt-wg2: 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-crypt-wg0: flags=0x128 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3 pending: wg_packet_tx_worker, wg_packet_encrypt_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-wg2: flags=0x124 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-crypt-wg2: flags=0x128 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4 pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker, wg_packet_tx_worker pool 2: cpus=0 node=0 flags=0x2 nice=0 hung=0s workers=5 manager: 1857 pool 6: cpus=1 node=0 flags=0x0 nice=0 hung=48s workers=6 idle: 2312 6656 6569 26 24 pool 8: cpus=0-1 flags=0x4 nice=0 hung=2s workers=10 idle: 7430 7429 257 Showing backtraces of running workers in stalled CPU-bound worker pools: pool 6: task:kworker/1:5 state:R running task stack:0 pid:6667 tgid:6667 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: mld mld_ifc_work 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 ip6t_do_table+0x1040/0x1240 net/ipv6/netfilter/ip6_tables.c:375 nf_hook_entry_hookfn include/linux/netfilter.h:158 [inline] nf_hook_slow+0xb4/0x21c net/netfilter/core.c:623 nf_hook include/linux/netfilter.h:273 [inline] NF_HOOK+0x2fc/0x430 include/linux/netfilter.h:316 mld_sendpack+0x7fc/0x100c net/ipv6/mcast.c:1855 mld_send_cr net/ipv6/mcast.c:2154 [inline] mld_ifc_work+0x770/0xc38 net/ipv6/mcast.c:2693 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 bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0) bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0) bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:16:78:9a:92:bf:19, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:16:78:9a:92:bf:19, vlan:0) bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth1_to_bridge with own address as source address (addr:16:78:9a:92:bf:19, vlan:0)