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=1 node=0 flags=0x0 nice=0 stuck for 32s! Showing busy workqueues and worker pools: workqueue events: flags=0x100 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3 in-flight: 4385:reg_todo for 102s pending: psi_avgs_work pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=11 refcnt=12 in-flight: 4928:switchdev_deferred_process_work for 98s switchdev_deferred_process_work pending: 2*nsim_dev_hwstats_traffic_work, 2*psi_avgs_work, 4*ovs_dp_masks_rebalance, drm_fb_helper_damage_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=0x4 nice=0 active=2 refcnt=3 in-flight: 4975:nsim_dev_trap_report_work for 13s pending: nsim_dev_trap_report_work pwq 8: cpus=0-1 flags=0x4 nice=0 active=8 refcnt=9 in-flight: 39:cfg80211_wiphy_work for 106s cfg80211_wiphy_work ,4970:cfg80211_wiphy_work for 42s cfg80211_wiphy_work ,4966:cfg80211_wiphy_work for 102s cfg80211_wiphy_work ,15:cfg80211_wiphy_work for 89s cfg80211_wiphy_work workqueue events_power_efficient: flags=0x82 pwq 8: cpus=0-1 flags=0x4 nice=0 active=2 refcnt=3 in-flight: 4890:neigh_periodic_work for 41s ,3497:crda_timeout_work for 94s pwq 8: cpus=0-1 flags=0x4 nice=0 active=2 refcnt=3 in-flight: 1236:gc_worker for 1s ,4965:reg_check_chans_work for 44s workqueue netns: flags=0x6000a pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=4 in-flight: 150:cleanup_net for 109s workqueue mm_percpu_wq: flags=0x108 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=2 in-flight: 40:wb_workfn for 100s workqueue mld: flags=0x40108 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=55 in-flight: 4974:mld_dad_work for 32s inactive: 6*mld_ifc_work, 4*mld_dad_work, 4*mld_ifc_work, 2*mld_dad_work, 5*mld_ifc_work, mld_dad_work, mld_ifc_work, 3*mld_dad_work, mld_ifc_work, mld_dad_work, 3*mld_ifc_work, 2*mld_dad_work, 7*mld_ifc_work, mld_dad_work, 2*mld_ifc_work, 2*mld_dad_work, 3*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=202 in-flight: 3877:addrconf_dad_work for 97s inactive: 197*addrconf_dad_work, addrconf_verify_work workqueue bat_events: flags=0x6000a pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=49 in-flight: 2851(RESCUER):batadv_tt_purge for 17s inactive: 3*batadv_tt_purge, batadv_mcast_mla_update, 3*batadv_iv_send_outstanding_bat_ogm_packet, 5*batadv_mcast_mla_update, 2*batadv_purge_orig, 2*batadv_iv_send_outstanding_bat_ogm_packet, 2*batadv_purge_orig, 2*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, 7*batadv_iv_send_outstanding_bat_ogm_packet, 2*batadv_purge_orig, batadv_tt_purge, batadv_iv_send_outstanding_bat_ogm_packet, batadv_tt_purge workqueue wg-crypt-wg0: flags=0x128 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4 in-flight: 867:wg_packet_tx_worker for 38s wg_packet_tx_worker pending: 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_tx_worker, wg_packet_encrypt_worker, wg_packet_decrypt_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=0x124 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 in-flight: 4841:wg_packet_handshake_receive_worker for 4s 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-crypt-wg1: 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-kex-wg2: flags=0x124 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_decrypt_worker, wg_packet_tx_worker, wg_packet_encrypt_worker workqueue wg-kex-wg0: flags=0x124 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 in-flight: 1016:wg_packet_handshake_receive_worker for 10s 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=0x4 nice=0 active=1 refcnt=2 in-flight: 4973:wg_packet_handshake_send_worker for 12s 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-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 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=2 refcnt=3 pending: wg_packet_tx_worker, wg_packet_decrypt_worker pool 2: cpus=0 node=0 flags=0x0 nice=0 hung=0s workers=8 idle: 9 10 4969 4968 4967 pool 6: cpus=1 node=0 flags=0x0 nice=0 hung=32s workers=7 idle: 1505 24 4935 26 pool 8: cpus=0-1 flags=0x4 nice=0 hung=0s workers=16 idle: 4971 4976 12 Showing backtraces of busy workers in stalled worker pools: pool 6: task:kworker/1:2 state:R running task stack:0 pid:867 tgid:867 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: wg-crypt-wg0 wg_packet_tx_worker Call trace: __switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:775 (T) context_switch kernel/sched/core.c:5510 [inline] __schedule+0x1370/0x2d80 kernel/sched/core.c:7234 preempt_schedule_common+0xd4/0x190 kernel/sched/core.c:7413 preempt_schedule+0x60/0x78 kernel/sched/core.c:7437 __local_bh_enable_ip+0x20c/0x35c kernel/softirq.c:457 local_bh_enable include/linux/bottom_half.h:33 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:914 [inline] mod_peer_timer+0x21c/0x25c drivers/net/wireguard/timers.c:38 wg_timers_any_authenticated_packet_traversal+0x98/0xc0 drivers/net/wireguard/timers.c:218 wg_packet_create_data_done drivers/net/wireguard/send.c:247 [inline] wg_packet_tx_worker+0x130/0x75c drivers/net/wireguard/send.c:276 process_one_work kernel/workqueue.c:3322 [inline] process_scheduled_works+0x788/0x10b8 kernel/workqueue.c:3405 worker_thread+0x798/0xbd0 kernel/workqueue.c:3486 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842 pool 6: task:kworker/1:6 state:R running task stack:0 pid:4974 tgid:4974 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: mld mld_dad_work Call trace: __switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:775 (T) context_switch kernel/sched/core.c:5510 [inline] __schedule+0x1370/0x2d80 kernel/sched/core.c:7234 preempt_schedule_common+0xd4/0x190 kernel/sched/core.c:7413 preempt_schedule+0x60/0x78 kernel/sched/core.c:7437 __local_bh_enable_ip+0x20c/0x35c kernel/softirq.c:457 __raw_read_unlock_bh include/linux/rwlock_api_smp.h:283 [inline] _raw_read_unlock_bh+0x3c/0x4c kernel/locking/spinlock.c:288 ipv6_get_lladdr+0x284/0x3c0 net/ipv6/addrconf.c:1951 mld_newpack+0x368/0x7b0 net/ipv6/mcast.c:1803 add_grhead+0x6c/0x260 net/ipv6/mcast.c:1900 add_grec+0xf9c/0x1214 net/ipv6/mcast.c:2039 mld_send_initial_cr+0x168/0x2fc net/ipv6/mcast.c:2284 mld_dad_work+0x40/0x1d8 net/ipv6/mcast.c:2310 process_one_work kernel/workqueue.c:3322 [inline] process_scheduled_works+0x788/0x10b8 kernel/workqueue.c:3405 worker_thread+0x798/0xbd0 kernel/workqueue.c:3486 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842 pool 6: task:kworker/1:4 state:D stack:0 pid:4928 tgid:4928 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: events switchdev_deferred_process_work Call trace: __switch_to+0x2b0/0x6e0 arch/arm64/kernel/process.c:775 (T) context_switch kernel/sched/core.c:5510 [inline] __schedule+0x1370/0x2d80 kernel/sched/core.c:7234 __schedule_loop kernel/sched/core.c:7311 [inline] schedule+0x13c/0x20c kernel/sched/core.c:7326 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7383 __mutex_lock_common kernel/locking/mutex.c:726 [inline] __mutex_lock+0x4ec/0xf14 kernel/locking/mutex.c:821 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:874 rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80 switchdev_deferred_process_work+0x14/0x28 net/switchdev/switchdev.c:104 process_one_work kernel/workqueue.c:3322 [inline] process_scheduled_works+0x788/0x10b8 kernel/workqueue.c:3405 worker_thread+0x798/0xbd0 kernel/workqueue.c:3486 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842 net_ratelimit: 91924 callbacks suppressed 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) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)