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