Warning: Permanently added '10.128.0.67' (ED25519) to the list of known hosts.
executing program
executing program
syzkaller login: [   90.726816][    C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 52s!
[   90.729346][    C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 52s!
[   90.731588][    C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 52s!
[   90.733734][    C0] Showing busy workqueues and worker pools:
[   90.735221][    C0] workqueue events: flags=0x0
[   90.736394][    C0]   pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
[   90.736422][    C0]     pending: regulator_init_complete_work_function, hci_cmd_timeout, ovs_dp_masks_rebalance
[   90.736469][    C0]   pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=16/256 refcnt=17
[   90.736489][    C0]     in-flight: 7:request_firmware_work_func
[   90.736506][    C0]     pending: psi_avgs_work, vmstat_shepherd, hci_cmd_timeout, hci_cmd_timeout, hci_cmd_timeout, hci_cmd_timeout, ovs_dp_masks_rebalance, l2cap_info_timeout, l2cap_info_timeout, l2cap_info_timeout, l2cap_info_timeout, l2cap_info_timeout, ovs_dp_masks_rebalance, ovs_dp_masks_rebalance, ovs_dp_masks_rebalance
[   90.736595][    C0] workqueue events_long: flags=0x0
[   90.753214][    C0]   pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=5/256 refcnt=6
[   90.753239][    C0]     pending: defense_work_handler, defense_work_handler, defense_work_handler, defense_work_handler, defense_work_handler
[   90.753283][    C0]   pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[   90.753302][    C0]     pending: defense_work_handler
[   90.753317][    C0] workqueue events_unbound: flags=0x2
[   90.763024][    C0]   pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/512 refcnt=3
[   90.763048][    C0]     pending: flush_memcg_stats_dwork
[   90.763067][    C0] workqueue events_power_efficient: flags=0x82
[   90.767964][    C0]   pwq 4: cpus=0-1 flags=0x4 nice=0 active=6/256 refcnt=8
[   90.767986][    C0]     pending: fb_flashcursor, neigh_periodic_work, neigh_periodic_work, do_cache_clean, reg_check_chans_work, gc_worker
[   90.768038][    C0] workqueue mm_percpu_wq: flags=0x8
[   90.774203][    C0]   pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[   90.774228][    C0]     pending: vmstat_update
[   90.774249][    C0]   pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[   90.774269][    C0]     pending: vmstat_update
[   90.774285][    C0] workqueue writeback: flags=0x4a
[   90.781678][    C0]   pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3
[   90.781702][    C0]     pending: wb_workfn
[   90.781729][    C0] workqueue gid-cache-wq: flags=0xa0002
[   90.786099][    C0]   pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=8
[   90.786120][    C0]     pending: netdevice_event_work_handler
[   90.786134][    C0]     inactive: netdevice_event_work_handler, netdevice_event_work_handler, netdevice_event_work_handler, netdevice_event_work_handler, netdevice_event_work_handler
[   90.786194][    C0] workqueue dm_bufio_cache: flags=0x8
[   90.794760][    C0]   pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[   90.794786][    C0]     pending: work_fn
[   90.794817][    C0] workqueue krxrpcd: flags=0x0
[   90.798740][    C0]   pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=2
[   90.798765][    C0]     pending: rxrpc_peer_keepalive_worker
[   90.798788][    C0]   pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=5
[   90.798806][    C0]     pending: rxrpc_peer_keepalive_worker
[   90.798818][    C0]     inactive: rxrpc_peer_keepalive_worker, rxrpc_peer_keepalive_worker, rxrpc_peer_keepalive_worker
[   90.798862][    C0] pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=52s workers=4 idle: 1529 13 3556