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=0 node=0 flags=0x0 nice=0 stuck for 47s! Showing busy workqueues and worker pools: workqueue events: flags=0x100 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=18 refcnt=19 in-flight: 10:request_firmware_work_func for 87s ,4358:switchdev_deferred_process_work for 47s ,1162:nsim_fib_event_work for 47s pending: 4*ovs_dp_masks_rebalance, 4*nsim_dev_hwstats_traffic_work, psi_avgs_work, drm_fb_helper_damage_work, vmstat_shepherd, 3*psi_avgs_work, delayed_vfree_work pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=6 refcnt=7 in-flight: 26:nsim_fib_event_work for 65s nsim_fib_event_work ,1092:nsim_fib_event_work for 39s pending: nsim_dev_hwstats_traffic_work, 2*psi_avgs_work workqueue events_unbound: flags=0x2 pwq 8: cpus=0-1 flags=0x6 nice=0 active=10 refcnt=11 in-flight: 4920:cfg80211_wiphy_work for 29s ,12:cfg80211_wiphy_work for 63s pending: flush_memcg_stats_dwork, cfg80211_wiphy_work, 2*nsim_dev_trap_report_work, macvlan_process_broadcast, nsim_dev_trap_report_work, bpf_map_free_deferred, cfg80211_wiphy_work pwq 8: cpus=0-1 flags=0x6 nice=0 active=25 refcnt=26 in-flight: 448:cfg80211_wiphy_work for 63s ,41:cfg80211_wiphy_work for 63s ,1469:cfg80211_wiphy_work for 62s ,1307:cfg80211_wiphy_work for 61s ,40:cfg80211_wiphy_work for 48s ,13:cfg80211_wiphy_work for 47s ,321:cfg80211_wiphy_work for 45s ,93:cfg80211_wiphy_work for 62s pending: 2*cfg80211_wiphy_work, toggle_allocation_gate, macvlan_process_broadcast, 2*cfg80211_wiphy_work, nsim_dev_trap_report_work, cfg80211_wiphy_work, crng_reseed, 4*macvlan_process_broadcast, 3*cfg80211_wiphy_work, nsim_dev_trap_report_work workqueue events_freezable: flags=0x104 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: regulator_init_complete_work_function workqueue events_power_efficient: flags=0x82 pwq 8: cpus=0-1 flags=0x6 nice=0 active=4 refcnt=5 pending: wg_ratelimiter_gc_entries, neigh_periodic_work, fb_flashcursor, reg_check_chans_work pwq 8: cpus=0-1 flags=0x6 nice=0 active=5 refcnt=6 pending: neigh_managed_work, do_cache_clean, neigh_periodic_work, neigh_managed_work, gc_worker workqueue events_dfl_long: flags=0x2 pwq 8: cpus=0-1 flags=0x6 nice=0 active=6 refcnt=7 pending: 6*defense_work_handler workqueue mm_percpu_wq: flags=0x108 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: vmstat_update pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=1 refcnt=2 pending: vmstat_update workqueue writeback: flags=0x4a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=3 MAYDAY pending: wb_workfn pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=4 MAYDAY in-flight: 33(RESCUER):wb_workfn for 54s pending: mayday_cursor_func workqueue kblockd: flags=0x118 pwq 3: cpus=0 node=0 flags=0x2 nice=-20 active=3 refcnt=6 MAYDAY in-flight: 4387:blk_mq_timeout_work for 7s ,38(RESCUER):blk_mq_timeout_work for 7s pending: mayday_cursor_func, blk_mq_timeout_work workqueue mld: flags=0x40108 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=6 pending: mld_dad_work inactive: 4*mld_dad_work workqueue ipv6_addrconf: flags=0x6000a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=401 MAYDAY in-flight: 2825(RESCUER):addrconf_dad_work for 45s pending: mayday_cursor_func inactive: 395*addrconf_dad_work workqueue bat_events: flags=0x6000a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=45 MAYDAY in-flight: 2857(RESCUER):batadv_tt_purge for 14s pending: mayday_cursor_func inactive: 2*batadv_tt_purge, batadv_purge_orig, 5*batadv_mcast_mla_update, 4*batadv_iv_send_outstanding_bat_ogm_packet, 4*batadv_purge_orig, 11*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, 2*batadv_tt_purge 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 2: cpus=0 node=0 flags=0x0 nice=0 active=4 refcnt=5 in-flight: 4805:wg_packet_tx_worker for 61s wg_packet_tx_worker pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=1 refcnt=2 pending: wg_packet_encrypt_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 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4 pending: wg_packet_encrypt_worker, wg_packet_decrypt_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=0x6 pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_send_worker 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 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3 pending: 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 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4 pending: wg_packet_encrypt_worker, wg_packet_decrypt_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 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4 pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_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=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 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3 pending: 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 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4 pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_worker pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=2 refcnt=3 in-flight: 867:wg_packet_encrypt_worker for 7s wg_packet_encrypt_worker workqueue wg-crypt-wg1: flags=0x128 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4 pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_worker pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=1 refcnt=2 in-flight: 4833:wg_packet_encrypt_worker for 3s 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 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3 pending: 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-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 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4 pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_worker pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=2 refcnt=3 in-flight: 24:wg_packet_encrypt_worker for 1s pending: 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 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4 pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker, wg_packet_tx_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=0x128 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3 pending: 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 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4 pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_worker pwq 6: cpus=1 node=0 flags=0x2 nice=0 active=1 refcnt=2 pending: wg_packet_encrypt_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=0x128 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4 pending: wg_packet_encrypt_worker, wg_packet_decrypt_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=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 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4 pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker, wg_packet_tx_worker workqueue loop2: flags=0x6 pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2 pending: loop_rootcg_workfn workqueue loop4: flags=0x6 pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2 pending: loop_rootcg_workfn workqueue loop1: flags=0x6 pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2 pending: loop_rootcg_workfn pool 2: cpus=0 node=0 flags=0x0 nice=0 hung=47s workers=8 idle: 9 4813 4806 4798 pool 3: cpus=0 node=0 flags=0x2 nice=-20 hung=7s workers=2 manager: 11 pool 6: cpus=1 node=0 flags=0x2 nice=0 hung=1s workers=7 manager: 4832 idle: 4891 pool 8: cpus=0-1 flags=0x6 nice=0 hung=14s workers=11 manager: 4921 Showing backtraces of busy workers in stalled worker pools: pool 2: task:kworker/0:1 state:R running task stack:0 pid:10 tgid:10 ppid:2 task_flags:0x4288060 flags:0x00000010 Workqueue: events request_firmware_work_func Call trace: __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:775 (T) context_switch kernel/sched/core.c:5533 [inline] __schedule+0x135c/0x2b00 kernel/sched/core.c:7284 preempt_schedule_common+0xd4/0x190 kernel/sched/core.c:7463 preempt_schedule+0x60/0x78 kernel/sched/core.c:7487 __local_bh_enable_ip+0x16c/0x234 kernel/softirq.c:480 local_bh_enable include/linux/bottom_half.h:33 [inline] __alloc_skb+0x1c8/0x610 net/core/skbuff.c:699 alloc_skb include/linux/skbuff.h:1384 [inline] alloc_uevent_skb+0x78/0x1ec lib/kobject_uevent.c:289 uevent_net_broadcast_untagged lib/kobject_uevent.c:326 [inline] kobject_uevent_net_broadcast+0x2d4/0x53c lib/kobject_uevent.c:410 kobject_uevent_env+0x518/0x944 lib/kobject_uevent.c:611 kobject_uevent+0x2c/0x3c lib/kobject_uevent.c:659 device_del+0x5f8/0x71c drivers/base/core.c:3983 fw_load_sysfs_fallback drivers/base/firmware_loader/fallback.c:134 [inline] fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:172 [inline] firmware_fallback_sysfs+0x330/0x930 drivers/base/firmware_loader/fallback.c:248 _request_firmware+0xb34/0xf5c drivers/base/firmware_loader/main.c:898 request_firmware_work_func+0xa4/0x24c drivers/base/firmware_loader/main.c:1162 process_one_work kernel/workqueue.c:3396 [inline] process_scheduled_works+0x91c/0x1250 kernel/workqueue.c:3479 worker_thread+0x798/0xbd0 kernel/workqueue.c:3560 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 pool 2: task:kworker/0:3 state:R running task stack:0 pid:4358 tgid:4358 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: events switchdev_deferred_process_work Call trace: __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:775 (T) context_switch kernel/sched/core.c:5533 [inline] __schedule+0x135c/0x2b00 kernel/sched/core.c:7284 preempt_schedule_common+0xd4/0x190 kernel/sched/core.c:7463 preempt_schedule+0x60/0x78 kernel/sched/core.c:7487 __local_bh_enable_ip+0x16c/0x234 kernel/softirq.c:480 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:237 [inline] _raw_spin_unlock_bh+0x3c/0x4c kernel/locking/spinlock.c:245 spin_unlock_bh include/linux/spinlock.h:407 [inline] switchdev_deferred_dequeue net/switchdev/switchdev.c:78 [inline] switchdev_deferred_process+0x134/0x2b4 net/switchdev/switchdev.c:94 switchdev_deferred_process_work+0x18/0x28 net/switchdev/switchdev.c:105 process_one_work kernel/workqueue.c:3396 [inline] process_scheduled_works+0x91c/0x1250 kernel/workqueue.c:3479 worker_thread+0x798/0xbd0 kernel/workqueue.c:3560 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 pool 2: task:kworker/0:5 state:R running task stack:0 pid:4805 tgid:4805 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: wg-crypt-wg0 wg_packet_tx_worker Call trace: __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:775 (T) context_switch kernel/sched/core.c:5533 [inline] __schedule+0x135c/0x2b00 kernel/sched/core.c:7284 preempt_schedule_common+0xd4/0x190 kernel/sched/core.c:7463 preempt_schedule+0x60/0x78 kernel/sched/core.c:7487 __local_bh_enable_ip+0x16c/0x234 kernel/softirq.c:480 local_bh_enable include/linux/bottom_half.h:33 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:923 [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:3396 [inline] process_scheduled_works+0x91c/0x1250 kernel/workqueue.c:3479 worker_thread+0x798/0xbd0 kernel/workqueue.c:3560 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 pool 2: task:kworker/0:2 state:R running task stack:0 pid:1162 tgid:1162 ppid:2 task_flags:0x4208060 flags:0x00000010