bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:5c:22:9e:ed:79, vlan:0) BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=-20 stuck for 30s! Showing busy workqueues and worker pools: workqueue events: flags=0x0 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=9 refcnt=10 in-flight: 9:request_firmware_work_func pending: vmstat_shepherd, 3*ovs_dp_masks_rebalance, 2*psi_avgs_work, free_obj_work, psi_avgs_work pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=12 refcnt=13 pending: 4*ovs_dp_masks_rebalance, 8*nsim_dev_hwstats_traffic_work 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=4 refcnt=5 pending: 4*defense_work_handler workqueue events_unbound: flags=0x2 pwq 8: cpus=0-1 flags=0x4 nice=0 active=2 refcnt=3 in-flight: 12:cfg80211_wiphy_work cfg80211_wiphy_work pwq 8: cpus=0-1 flags=0x4 nice=0 active=26 refcnt=27 in-flight: 2219:cfg80211_wiphy_work cfg80211_wiphy_work ,14:cfg80211_wiphy_work cfg80211_wiphy_work ,8041:cfg80211_wiphy_work cfg80211_wiphy_work ,41:cfg80211_wiphy_work cfg80211_wiphy_work ,8119:cfg80211_wiphy_work cfg80211_wiphy_work ,2223:cfg80211_wiphy_work cfg80211_wiphy_work ,8122:cfg80211_wiphy_work cfg80211_wiphy_work ,581:linkwatch_event linkwatch_event pending: flush_memcg_stats_dwork, toggle_allocation_gate, 8*nsim_dev_trap_report_work workqueue events_power_efficient: flags=0x82 pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 in-flight: 8121:neigh_periodic_work pwq 8: cpus=0-1 flags=0x4 nice=0 active=10 refcnt=11 in-flight: 8120:reg_check_chans_work ,8123:wg_ratelimiter_gc_entries pending: hash_mac4_gc, gc_worker, fb_flashcursor, check_lifetime, neigh_managed_work, 3*check_lifetime workqueue netns: flags=0x6000a pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=4 in-flight: 4565:cleanup_net workqueue mm_percpu_wq: flags=0x8 pwq 2: cpus=0 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=2 refcnt=4 in-flight: 34(RESCUER):wb_workfn wb_workfn workqueue kblockd: flags=0x18 pwq 3: cpus=0 node=0 flags=0x0 nice=-20 active=2 refcnt=3 pending: blk_mq_timeout_work, blk_mq_requeue_work workqueue mld: flags=0x40008 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 in-flight: 26:mld_ifc_work workqueue ipv6_addrconf: flags=0x6000a pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=56 in-flight: 42:addrconf_dad_work inactive: 45*addrconf_dad_work, 7*addrconf_verify_work workqueue krdsd: flags=0x6000a pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=4 pending: rds_connect_worker workqueue bat_events: flags=0x6000a pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=47 in-flight: 4273(RESCUER):batadv_dat_purge inactive: 2*batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, 11*batadv_iv_send_outstanding_bat_ogm_packet, 2*batadv_tt_purge, batadv_dat_purge, 2*batadv_bla_periodic_work, batadv_dat_purge, batadv_nc_worker, batadv_tt_purge, 4*batadv_nc_worker, batadv_purge_orig, 5*batadv_mcast_mla_update, batadv_tt_purge, 3*batadv_iv_send_outstanding_bat_ogm_packet, 4*batadv_purge_orig, batadv_tt_purge workqueue wg-kex-wg0: flags=0x24 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=0x28 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=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_encrypt_worker workqueue wg-kex-wg0: flags=0x6 pwq 8: cpus=0-1 flags=0x4 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=2 refcnt=3 pending: wg_packet_tx_worker, wg_packet_encrypt_worker workqueue wg-kex-wg1: flags=0x24 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 in-flight: 2321:wg_packet_handshake_receive_worker pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 in-flight: 6588:wg_packet_handshake_receive_worker workqueue wg-crypt-wg1: flags=0x28 pwq 2: cpus=0 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=0x4 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_tx_worker, wg_packet_encrypt_worker workqueue wg-kex-wg2: flags=0x6 pwq 8: cpus=0-1 flags=0x4 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-kex-wg2: flags=0x6 pwq 8: cpus=0-1 flags=0x4 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_tx_worker, wg_packet_encrypt_worker workqueue wg-kex-wg0: flags=0x6 pwq 8: cpus=0-1 flags=0x4 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_tx_worker, wg_packet_decrypt_worker pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_tx_worker workqueue wg-kex-wg1: flags=0x6 pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_send_worker pwq 8: cpus=0-1 flags=0x4 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=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=0x6 pwq 8: cpus=0-1 flags=0x4 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 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_encrypt_worker workqueue wg-kex-wg0: flags=0x24 pwq 2: cpus=0 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 pending: wg_packet_handshake_send_worker workqueue wg-crypt-wg0: 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-wg1: flags=0x6 pwq 8: cpus=0-1 flags=0x4 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=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-kex-wg2: flags=0x24 pwq 2: cpus=0 node=0 flags=0x0 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 in-flight: 24:wg_packet_handshake_receive_worker workqueue wg-kex-wg2: flags=0x6 pwq 8: cpus=0-1 flags=0x4 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=3 refcnt=4 pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker, wg_packet_tx_worker workqueue hci0: flags=0x20012 pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4 in-flight: 52:hci_cmd_sync_work workqueue hci1: flags=0x20012 pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4 in-flight: 6123:hci_cmd_sync_work pool 2: cpus=0 node=0 flags=0x0 nice=0 hung=29s workers=8 idle: 8116 6536 10 8118 6525 6634 pool 6: cpus=1 node=0 flags=0x0 nice=0 hung=1s workers=8 idle: 1775 6636 6581 6589 6598 pool 8: cpus=0-1 flags=0x4 nice=0 hung=0s workers=15 idle: 8126 pool 9: cpus=0-1 node=0 flags=0x4 nice=-20 hung=0s workers=5 idle: 6526 6529 6539 Showing backtraces of running workers in stalled CPU-bound worker pools: net_ratelimit: 122610 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:5c:22:9e:ed:79, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:5c:22:9e:ed:79, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:5c:22:9e:ed:79, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:5c:22:9e:ed:79, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:5c:22:9e:ed:79, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:5c:22:9e:ed:79, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:5c:22:9e:ed:79, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:5c:22:9e:ed:79, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:5c:22:9e:ed:79, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:5c:22:9e:ed:79, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:5c:22:9e:ed:79, vlan:0)