[ 18.186122][ T3641] 8021q: adding VLAN 0 to HW filter on device bond0 [ 18.189441][ T3641] eql: remember to turn off Van-Jacobson compression on your slave devices [ 18.236689][ T361] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 18.242797][ T3553] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller syzkaller login: [ 69.632297][ T1528] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.76' (ED25519) to the list of known hosts. [ 182.270462][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 56s! [ 182.272648][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=-20 stuck for 50s! [ 182.274568][ C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 55s! [ 182.276503][ C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 56s! [ 182.278433][ C0] Showing busy workqueues and worker pools: [ 182.279742][ C0] workqueue events: flags=0x0 [ 182.280810][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=4/256 refcnt=5 [ 182.280836][ C0] pending: hci_cmd_timeout, hci_cmd_timeout, l2cap_info_timeout, ovs_dp_masks_rebalance [ 182.280877][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=13/256 refcnt=14 [ 182.280897][ C0] pending: vmstat_shepherd, psi_avgs_work, ovs_dp_masks_rebalance, hci_cmd_timeout, hci_cmd_timeout, hci_cmd_timeout, hci_cmd_timeout, l2cap_info_timeout, l2cap_info_timeout, l2cap_info_timeout, l2cap_info_timeout, l2cap_info_timeout, ovs_dp_masks_rebalance [ 182.280980][ C0] workqueue events_long: flags=0x0 [ 182.293140][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=4/256 refcnt=5 [ 182.293165][ C0] pending: defense_work_handler, defense_work_handler, defense_work_handler, defense_work_handler [ 182.293203][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 182.293222][ C0] pending: defense_work_handler, defense_work_handler, defense_work_handler [ 182.293249][ C0] workqueue events_unbound: flags=0x2 [ 182.301919][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/512 refcnt=3 [ 182.301943][ C0] pending: flush_memcg_stats_dwork [ 182.301962][ C0] workqueue events_power_efficient: flags=0x82 [ 182.305892][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=7/256 refcnt=9 [ 182.305914][ C0] pending: fb_flashcursor, do_cache_clean, neigh_periodic_work, neigh_periodic_work, gc_worker, check_lifetime, reg_check_chans_work [ 182.305972][ C0] workqueue mm_percpu_wq: flags=0x8 [ 182.311696][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 182.311722][ C0] pending: vmstat_update [ 182.311742][ C0] workqueue writeback: flags=0x4a [ 182.315555][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 182.315577][ C0] pending: wb_workfn [ 182.315597][ C0] workqueue kblockd: flags=0x18 [ 182.319207][ C0] pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2 [ 182.319233][ C0] pending: blk_mq_timeout_work [ 182.319285][ C0] workqueue dm_bufio_cache: flags=0x8 [ 182.323281][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 182.323308][ C0] pending: work_fn [ 182.323334][ C0] workqueue ipv6_addrconf: flags=0x40008 [ 182.327117][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 [ 182.327141][ C0] pending: addrconf_verify_work [ 182.327160][ C0] workqueue krxrpcd: flags=0x0 [ 182.330883][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 [ 182.330908][ C0] pending: rxrpc_peer_keepalive_worker [ 182.330924][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=3 [ 182.330943][ C0] pending: rxrpc_peer_keepalive_worker [ 182.330955][ C0] inactive: rxrpc_peer_keepalive_worker