Warning: Permanently added '10.128.0.204' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [  857.992545] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 254s!
[  858.001142] Showing busy workqueues and worker pools:
[  858.006465] workqueue events: flags=0x0
[  858.010556]   pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
[  858.017672]     in-flight: 3225:rtc_timer_do_work
[  858.022529]     pending: defense_work_handler, cache_reap
[  858.028098] workqueue events_long: flags=0x0
[  858.032544]   pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[  858.039514]     pending: gc_worker
[  858.043105] workqueue events_power_efficient: flags=0x80
[  858.048554]   pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=4/256 refcnt=5
[  858.055521]     pending: fb_flashcursor, do_cache_clean, neigh_periodic_work, check_lifetime
[  858.064170]   pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[  858.071096]     in-flight: 24:sync_cmos_clock
[  858.075638] workqueue mm_percpu_wq: flags=0x8
[  858.080135]   pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[  858.087104]     pending: vmstat_update
[  858.091084] workqueue dm_bufio_cache: flags=0x8
[  858.095755]   pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[  858.102695]     pending: work_fn
[  858.106119] pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=0s workers=3 idle: 7961 3625
[  858.114046] pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=254s workers=2 idle: 18