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 veth0_to_bridge with own address as source address (addr:26:c1:b2:df:31:32, vlan:0) BUG: workqueue lockup - pool cpus=0 node=0 flags=0x2 nice=0 stuck for 50s! Showing busy workqueues and worker pools: workqueue events: flags=0x0 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=17 refcnt=18 in-flight: 9:nsim_fib_event_work nsim_fib_event_work ,6517:nsim_fib_event_work nsim_fib_event_work ,3929:request_firmware_work_func pending: 3*nsim_dev_hwstats_traffic_work, vmstat_shepherd, 3*psi_avgs_work, 4*ovs_dp_masks_rebalance, psi_avgs_work pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=11 refcnt=12 in-flight: 6583:nsim_fib_event_work nsim_fib_event_work ,6637:switchdev_deferred_process_work ,24:nsim_fib_event_work nsim_fib_event_work ,2264:nsim_fib_event_work nsim_fib_event_work pending: 2*nsim_dev_hwstats_traffic_work, 2*psi_avgs_work workqueue events_long: flags=0x0 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=2 refcnt=3 pending: 2*defense_work_handler pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=4 refcnt=5 in-flight: 26:defense_work_handler pending: 3*defense_work_handler workqueue events_unbound: flags=0x2 pwq 8: cpus=0-1 flags=0x6 nice=0 active=10 refcnt=11 in-flight: 42:cfg80211_wiphy_work ,15:cfg80211_wiphy_work pending: macvlan_process_broadcast, 2*cfg80211_wiphy_work, nsim_dev_trap_report_work, 4*macvlan_process_broadcast pwq 8: cpus=0-1 flags=0x6 nice=0 active=24 refcnt=25 in-flight: 6776:cfg80211_wiphy_work ,41:cfg80211_wiphy_work cfg80211_wiphy_work ,246:cfg80211_wiphy_work ,1775:cfg80211_wiphy_work ,1955:cfg80211_wiphy_work ,2086:cfg80211_wiphy_work cfg80211_wiphy_work ,12:cfg80211_wiphy_work pending: cfg80211_wiphy_work, nsim_dev_trap_report_work, 2*cfg80211_wiphy_work, nsim_dev_trap_report_work, 2*cfg80211_wiphy_work, toggle_allocation_gate, cfg80211_wiphy_work, nsim_dev_trap_report_work, crng_reseed, nsim_dev_trap_report_work, macvlan_process_broadcast, flush_memcg_stats_dwork, macvlan_process_broadcast workqueue events_power_efficient: flags=0x82 pwq 8: cpus=0-1 flags=0x6 nice=0 active=3 refcnt=4 pending: neigh_managed_work, neigh_periodic_work, reg_check_chans_work pwq 8: cpus=0-1 flags=0x6 nice=0 active=6 refcnt=7 pending: do_cache_clean, wg_ratelimiter_gc_entries, fb_flashcursor, neigh_periodic_work, gc_worker, neigh_managed_work workqueue rcu_gp: flags=0x8 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: process_srcu 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 mm_percpu_wq: flags=0x8 pwq 2: cpus=0 node=0 flags=0x2 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=3 MAYDAY pending: wb_update_bandwidth_workfn workqueue mld: flags=0x40008 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=1 refcnt=7 in-flight: 6598:mld_dad_work inactive: 5*mld_dad_work workqueue ipv6_addrconf: flags=0x6000a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=4 in-flight: 2287:addrconf_dad_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: 3*batadv_tt_purge, batadv_nc_worker, 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, 3*batadv_nc_worker, 2*batadv_purge_orig, batadv_nc_worker, batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, 5*batadv_iv_send_outstanding_bat_ogm_packet, 5*batadv_mcast_mla_update, 9*batadv_iv_send_outstanding_bat_ogm_packet, 2*batadv_purge_orig, 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=0x2 nice=0 active=3 refcnt=4 pending: wg_packet_tx_worker, wg_packet_decrypt_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=0x2 nice=0 active=3 refcnt=4 pending: wg_packet_tx_worker, wg_packet_decrypt_worker, wg_packet_encrypt_worker pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 in-flight: 6775: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=0x28 pwq 2: cpus=0 node=0 flags=0x2 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-kex-wg1: flags=0x6 pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2 in-flight: 6777:wg_packet_handshake_send_worker workqueue wg-crypt-wg1: flags=0x28 pwq 2: cpus=0 node=0 flags=0x2 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=0x0 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=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=2 refcnt=3 pending: wg_packet_tx_worker, wg_packet_encrypt_worker workqueue wg-crypt-wg2: flags=0x28 pwq 2: cpus=0 node=0 flags=0x2 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=0x2 nice=0 active=4 refcnt=5 in-flight: 11:wg_packet_encrypt_worker pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_worker workqueue wg-crypt-wg1: flags=0x28 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=3 refcnt=4 pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker, wg_packet_tx_worker workqueue wg-crypt-wg2: flags=0x28 pwq 2: cpus=0 node=0 flags=0x2 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=0x2 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=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=0x2 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=0x0 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=0x28 pwq 2: cpus=0 node=0 flags=0x2 nice=0 active=3 refcnt=4 pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_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=0x2 nice=0 active=3 refcnt=4 pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_worker workqueue wg-crypt-wg2: flags=0x28 pwq 2: cpus=0 node=0 flags=0x2 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=0x2 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=50s workers=7 manager: 6582 idle: 6640 pool 6: cpus=1 node=0 flags=0x0 nice=0 hung=1s workers=8 idle: 6596 6597 pool 8: cpus=0-1 flags=0x6 nice=0 hung=1s workers=12 manager: 6779 Showing backtraces of running workers in stalled CPU-bound worker pools: pool 2: task:kworker/0:5 state:R running task stack:0 pid:6598 tgid:6598 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: mld mld_dad_work 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] rt6_uncached_list_add net/ipv6/route.c:146 [inline] icmp6_dst_alloc+0x304/0x3a4 net/ipv6/route.c:3342 mld_sendpack+0x640/0xf50 net/ipv6/mcast.c:1849 mld_send_initial_cr+0x34c/0x534 net/ipv6/mcast.c:2276 mld_dad_work+0x40/0x418 net/ipv6/mcast.c:2299 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 2: task:kworker/0:0 state:R running task stack:0 pid:9 tgid:9 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: events nsim_fib_event_work 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 __schedule_loop kernel/sched/core.c:7043 [inline] schedule+0xb4/0x230 kernel/sched/core.c:7058 schedule_timeout+0x128/0x270 kernel/time/sleep_timeout.c:99 schedule_timeout_uninterruptible+0x7c/0xc0 kernel/time/sleep_timeout.c:158 msleep+0x3c/0x68 kernel/time/sleep_timeout.c:318 nsim_fib6_rt_add drivers/net/netdevsim/fib.c:693 [inline] nsim_fib6_rt_insert drivers/net/netdevsim/fib.c:759 [inline] nsim_fib6_event drivers/net/netdevsim/fib.c:856 [inline] nsim_fib_event drivers/net/netdevsim/fib.c:889 [inline] nsim_fib_event_work+0x1bc4/0x25b8 drivers/net/netdevsim/fib.c:1493 process_one_work+0x7e8/0x155c kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x990/0xed8 kernel/workqueue.c:3400 kthread+0x5fc/0x75c kernel/kthread.c:463 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844 pool 2: task:kworker/0:1 state:R running task stack:0 pid:11 tgid:11 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: wg-crypt-wg0 wg_packet_encrypt_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 __kunmap_atomic include/linux/highmem-internal.h:247 [inline] sg_miter_stop+0x220/0x2c4 lib/scatterlist.c:917 chacha20poly1305_crypt_sg_inplace+0x73c/0xbc0 lib/crypto/chacha20poly1305.c:319 chacha20poly1305_encrypt_sg_inplace+0x54/0x70 lib/crypto/chacha20poly1305.c:340 encrypt_packet drivers/net/wireguard/send.c:216 [inline] wg_packet_encrypt_worker+0x718/0x11e0 drivers/net/wireguard/send.c:297 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 2: task:kworker/0:3 state:R running task stack:0 pid:6517 tgid:6517 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: events nsim_fib_event_work 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 __schedule_loop kernel/sched/core.c:7043 [inline] schedule+0xb4/0x230 kernel/sched/core.c:7058 schedule_timeout+0x128/0x270 kernel/time/sleep_timeout.c:99 schedule_timeout_uninterruptible+0x7c/0xc0 kernel/time/sleep_timeout.c:158 msleep+0x3c/0x68 kernel/time/sleep_timeout.c:318 nsim_fib6_rt_add drivers/net/netdevsim/fib.c:693 [inline] nsim_fib6_rt_insert drivers/net/netdevsim/fib.c:759 [inline] nsim_fib6_event drivers/net/netdevsim/fib.c:856 [inline] nsim_fib_event drivers/net/netdevsim/fib.c:889 [inline] nsim_fib_event_work+0x1bc4/0x25b8 drivers/net/netdevsim/fib.c:1493 process_one_work+0x7e8/0x155c kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x990/0xed8 kernel/workqueue.c:3400 kthread+0x5fc/0x75c kernel/kthread.c:463 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844 pool 2: task:kworker/0:2 state:R running task stack:0 pid:3929 tgid:3929 ppid:2 task_flags:0x4208060 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 __schedule_loop kernel/sched/core.c:7043 [inline] schedule+0xb4/0x230 kernel/sched/core.c:7058 schedule_timeout+0x128/0x270 kernel/time/sleep_timeout.c:99 do_wait_for_common+0x288/0x3f8 kernel/sched/completion.c:100 __wait_for_common kernel/sched/completion.c:121 [inline] wait_for_common kernel/sched/completion.c:132 [inline] wait_for_completion_killable_timeout+0x48/0x68 kernel/sched/completion.c:293 __fw_state_wait_common drivers/base/firmware_loader/firmware.h:104 [inline] fw_sysfs_wait_timeout drivers/base/firmware_loader/fallback.c:44 [inline] fw_load_sysfs_fallback drivers/base/firmware_loader/fallback.c:110 [inline] fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:162 [inline] firmware_fallback_sysfs+0x4d4/0x8b4 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:26:c1:b2:df:31:32, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:26:c1:b2:df:31:32, 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 veth0_to_bridge with own address as source address (addr:26:c1:b2:df:31:32, 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 veth0_to_bridge with own address as source address (addr:26:c1:b2:df:31:32, vlan:0) net_ratelimit: 111064 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 veth0_to_bridge with own address as source address (addr:26:c1:b2:df:31:32, 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 veth0_to_bridge with own address as source address (addr:26:c1:b2:df:31:32, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:26:c1:b2:df:31:32, 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 veth0_to_bridge with own address as source address (addr:26:c1:b2:df:31:32, vlan:0)