Warning: Permanently added '10.128.0.124' (ED25519) to the list of known hosts.
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syzkaller login: [   90.730326][    C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 52s!
[   90.732282][    C0] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 52s!
[   90.734136][    C0] BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 52s!
[   90.735879][    C0] Showing busy workqueues and worker pools:
[   90.737086][    C0] workqueue events: flags=0x0
[   90.738219][    C0]   pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3
[   90.738249][    C0]     pending: psi_avgs_work, regulator_init_complete_work_function
[   90.738281][    C0]   pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
[   90.738301][    C0]     in-flight: 13:request_firmware_work_func
[   90.738316][    C0]     pending: vmstat_shepherd, ovs_dp_masks_rebalance
[   90.738341][    C0] workqueue events_long: flags=0x0
[   90.747332][    C0]   pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[   90.747364][    C0]     pending: defense_work_handler
[   90.747386][    C0] workqueue events_unbound: flags=0x2
[   90.751404][    C0]   pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/512 refcnt=3
[   90.751432][    C0]     pending: flush_memcg_stats_dwork
[   90.751458][    C0] workqueue events_power_efficient: flags=0x82
[   90.755469][    C0]   pwq 4: cpus=0-1 flags=0x4 nice=0 active=6/256 refcnt=8
[   90.755499][    C0]     pending: fb_flashcursor, neigh_periodic_work, neigh_periodic_work, do_cache_clean, reg_check_chans_work, gc_worker
[   90.755566][    C0] workqueue mm_percpu_wq: flags=0x8
[   90.760841][    C0]   pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[   90.760872][    C0]     pending: vmstat_update
[   90.760895][    C0]   pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[   90.760917][    C0]     pending: vmstat_update
[   90.760933][    C0] workqueue writeback: flags=0x4a
[   90.767312][    C0]   pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3
[   90.767344][    C0]     pending: wb_workfn
[   90.767409][    C0] workqueue dm_bufio_cache: flags=0x8
[   90.771201][    C0]   pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[   90.771236][    C0]     pending: work_fn
[   90.771267][    C0] workqueue krxrpcd: flags=0x0
[   90.774657][    C0]   pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=2
[   90.774690][    C0]     pending: rxrpc_peer_keepalive_worker
[   90.774726][    C0] pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=52s workers=3 idle: 3604 7