syzkaller login: [   69.606011][   T21] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.0.23' (ED25519) to the list of known hosts.
executing program
executing program
executing program
[  120.803379][    C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 46s!
[  120.805611][    C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 46s!
[  120.807677][    C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=-20 stuck for 42s!
[  120.809748][    C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 46s!
[  120.811732][    C0] Showing busy workqueues and worker pools:
[  120.813101][    C0] workqueue events: flags=0x0
[  120.814322][    C0]   pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=4/256 refcnt=5
[  120.814347][    C0]     pending: ovs_dp_masks_rebalance, l2cap_info_timeout, l2cap_info_timeout, ovs_dp_masks_rebalance
[  120.814388][    C0]   pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=13/256 refcnt=14
[  120.814406][    C0]     pending: vmstat_shepherd, psi_avgs_work, hci_cmd_timeout, hci_cmd_timeout, hci_cmd_timeout, hci_cmd_timeout, hci_cmd_timeout, l2cap_info_timeout, l2cap_info_timeout, l2cap_info_timeout, ovs_dp_masks_rebalance, ovs_dp_masks_rebalance, ovs_dp_masks_rebalance
[  120.814485][    C0] workqueue events_long: flags=0x0
[  120.827745][    C0]   pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
[  120.827769][    C0]     pending: defense_work_handler, defense_work_handler, defense_work_handler
[  120.827799][    C0]   pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
[  120.827818][    C0]     pending: defense_work_handler, defense_work_handler, defense_work_handler
[  120.827842][    C0] workqueue events_unbound: flags=0x2
[  120.836800][    C0]   pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/512 refcnt=3
[  120.836823][    C0]     pending: flush_memcg_stats_dwork
[  120.836839][    C0] workqueue events_power_efficient: flags=0x82
[  120.841124][    C0]   pwq 4: cpus=0-1 flags=0x4 nice=0 active=6/256 refcnt=8
[  120.841144][    C0]     pending: fb_flashcursor, gc_worker, crda_timeout_work, neigh_periodic_work, neigh_periodic_work, do_cache_clean
[  120.841196][    C0] workqueue writeback: flags=0x4a
[  120.846851][    C0]   pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3
[  120.846871][    C0]     pending: wb_workfn
[  120.846888][    C0] workqueue kblockd: flags=0x18
[  120.850624][    C0]   pwq 3: cpus=1 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2
[  120.850648][    C0]     pending: blk_mq_timeout_work
[  120.850700][    C0] workqueue dm_bufio_cache: flags=0x8
[  120.854845][    C0]   pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[  120.854872][    C0]     pending: work_fn
[  120.854898][    C0] workqueue krxrpcd: flags=0x0
[  120.858675][    C0]   pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=2
[  120.858697][    C0]     pending: rxrpc_peer_keepalive_worker
[  120.858716][    C0]   pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=5
[  120.858733][    C0]     pending: rxrpc_peer_keepalive_worker
[  120.858745][    C0]     inactive: rxrpc_peer_keepalive_worker, rxrpc_peer_keepalive_worker, rxrpc_peer_keepalive_worker