Warning: Permanently added '10.128.0.162' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 1001.334978] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 244s! [ 1001.343253] Showing busy workqueues and worker pools: [ 1001.348697] workqueue events: flags=0x0 [ 1001.352788] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 1001.359876] in-flight: 24:rtc_timer_do_work [ 1001.364529] pending: vmstat_shepherd, cache_reap [ 1001.369711] workqueue events_freezable: flags=0x4 [ 1001.374559] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 1001.381473] pending: update_balloon_stats_func [ 1001.386441] workqueue events_power_efficient: flags=0x80 [ 1001.391878] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 1001.398793] pending: do_cache_clean, check_lifetime [ 1001.404198] workqueue mm_percpu_wq: flags=0x8 [ 1001.408704] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 1001.415623] pending: vmstat_update [ 1001.419834] workqueue dm_bufio_cache: flags=0x8 [ 1001.424518] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 1001.431476] pending: work_fn [ 1001.434947] pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=244s workers=2 idle: 4622