bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:88:16:f4:61:cd, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:88:16:f4:61:cd, vlan:0) BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 54s! BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=-20 stuck for 42s! Showing busy workqueues and worker pools: workqueue events: flags=0x0 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=15 refcnt=17 in-flight: 9:request_firmware_work_func pending: 3*nsim_dev_hwstats_traffic_work, vmstat_shepherd, 2*psi_avgs_work, 3*ovs_dp_masks_rebalance, 2*psi_avgs_work, free_obj_work, psi_avgs_work, io_fallback_req_func BAR(509) pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3 pending: 2*nsim_dev_hwstats_traffic_work workqueue events_highpri: flags=0x10 pwq 3: cpus=0 node=0 flags=0x0 nice=-20 active=1 refcnt=2 pending: fill_page_cache_func workqueue events_long: flags=0x0 pwq 2: cpus=0 node=0 flags=0x0 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 pending: 3*defense_work_handler workqueue events_unbound: flags=0x2 pwq 8: cpus=0-1 flags=0x6 nice=0 active=23 refcnt=24 in-flight: 14:cfg80211_wiphy_work ,6661:cfg80211_wiphy_work ,6626:cfg80211_wiphy_work ,41:cfg80211_wiphy_work cfg80211_wiphy_work ,42:cfg80211_wiphy_work ,12:cfg80211_wiphy_work ,6887:cfg80211_wiphy_work ,697:cfg80211_wiphy_work ,5108:cfg80211_wiphy_work pending: nsim_dev_trap_report_work, 2*cfg80211_wiphy_work, nsim_dev_trap_report_work, 2*cfg80211_wiphy_work, 2*macvlan_process_broadcast, cfg80211_wiphy_work, macvlan_process_broadcast, 3*cfg80211_wiphy_work pwq 8: cpus=0-1 flags=0x6 nice=0 active=15 refcnt=16 in-flight: 257:cfg80211_wiphy_work cfg80211_wiphy_work pending: toggle_allocation_gate, nsim_dev_trap_report_work, 7*macvlan_process_broadcast, crng_reseed, nsim_dev_trap_report_work, flush_memcg_stats_dwork, nsim_dev_trap_report_work workqueue events_power_efficient: flags=0x82 pwq 8: cpus=0-1 flags=0x6 nice=0 active=5 refcnt=6 pending: neigh_managed_work, 2*neigh_periodic_work, neigh_managed_work, gc_worker pwq 8: cpus=0-1 flags=0x6 nice=0 active=4 refcnt=5 pending: wg_ratelimiter_gc_entries, reg_check_chans_work, do_cache_clean, fb_flashcursor workqueue mm_percpu_wq: flags=0x8 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: vmstat_update 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=1 refcnt=2 in-flight: 6659:wb_workfn workqueue kblockd: flags=0x18 pwq 3: cpus=0 node=0 flags=0x0 nice=-20 active=1 refcnt=2 pending: blk_mq_run_work_fn workqueue iou_exit: flags=0x2 pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2 in-flight: 509:io_ring_exit_work workqueue bat_events: flags=0x6000a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=49 in-flight: 4274(RESCUER):batadv_tt_purge inactive: 2*batadv_tt_purge, 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, 5*batadv_nc_worker, 5*batadv_mcast_mla_update, 3*batadv_iv_send_outstanding_bat_ogm_packet, 5*batadv_purge_orig, 12*batadv_iv_send_outstanding_bat_ogm_packet, 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=0x28 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4 pending: wg_packet_tx_worker, wg_packet_decrypt_worker, 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=0x28 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-crypt-wg2: flags=0x28 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3 pending: wg_packet_tx_worker, 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=0x28 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-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 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4 pending: wg_packet_tx_worker, wg_packet_encrypt_worker, wg_packet_decrypt_worker pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_encrypt_worker workqueue wg-crypt-wg1: flags=0x28 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 workqueue wg-crypt-wg1: flags=0x28 pwq 2: cpus=0 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-crypt-wg2: flags=0x28 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-crypt-wg2: flags=0x28 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=0x28 pwq 2: cpus=0 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-wg1: flags=0x28 pwq 2: cpus=0 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-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 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_tx_worker workqueue wg-crypt-wg0: flags=0x28 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 workqueue wg-crypt-wg1: flags=0x28 pwq 2: cpus=0 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-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 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_tx_worker pool 2: cpus=0 node=0 flags=0x0 nice=0 hung=54s workers=7 idle: 6531 6529 6605 10 1776 6646 pool 8: cpus=0-1 flags=0x6 nice=0 hung=0s workers=13 manager: 6888 Showing backtraces of running workers in stalled CPU-bound worker pools: pool 2: task:kworker/0:0 state:R running task stack:0 pid:9 tgid:9 ppid:2 task_flags:0x4288060 flags:0x00000010 Workqueue: events request_firmware_work_func 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 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] _raw_spin_unlock_irqrestore+0x94/0x98 kernel/locking/spinlock.c:194 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] __slab_free+0x17c/0x25c mm/slub.c:-1 do_slab_free mm/slub.c:4647 [inline] ___cache_free+0x150/0x170 mm/slub.c:4753 qlink_free+0x48/0x94 mm/kasan/quarantine.c:163 qlist_free_all+0x44/0xb8 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x118/0x124 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x2c/0x88 mm/kasan/common.c:340 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4191 [inline] slab_alloc_node mm/slub.c:4240 [inline] kmem_cache_alloc_noprof+0x238/0x3e8 mm/slub.c:4247 skb_clone+0x1b4/0x328 net/core/skbuff.c:2049 do_one_broadcast net/netlink/af_netlink.c:1457 [inline] netlink_broadcast_filtered+0x5c8/0x1164 net/netlink/af_netlink.c:1535 netlink_broadcast+0x50/0x68 net/netlink/af_netlink.c:1559 uevent_net_broadcast_untagged lib/kobject_uevent.c:331 [inline] kobject_uevent_net_broadcast+0x33c/0x548 lib/kobject_uevent.c:410 kobject_uevent_env+0x528/0x884 lib/kobject_uevent.c:608 kobject_uevent+0x2c/0x3c lib/kobject_uevent.c:656 device_del+0x684/0x808 drivers/base/core.c:3896 fw_load_sysfs_fallback drivers/base/firmware_loader/fallback.c:124 [inline] fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:162 [inline] firmware_fallback_sysfs+0x32c/0x8b4 drivers/base/firmware_loader/fallback.c:238 _request_firmware+0xfd8/0x12d8 drivers/base/firmware_loader/main.c:906 request_firmware_work_func+0xa8/0x19c drivers/base/firmware_loader/main.c:1159 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 veth0_to_bridge with own address as source address (addr:76:88:16:f4:61:cd, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:88:16:f4:61:cd, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:88:16:f4:61:cd, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:88:16:f4:61:cd, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:88:16:f4:61:cd, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:88:16:f4:61:cd, vlan:0) net_ratelimit: 121763 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:88:16:f4:61:cd, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:88:16:f4:61:cd, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:88:16:f4:61:cd, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:88:16:f4:61:cd, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:88:16:f4:61:cd, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:88:16:f4:61:cd, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:76:88:16:f4:61:cd, vlan:0)