[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...
         Starting Load/Save RF Kill Switch Status...
[  OK  ] Started Update UTMP about System Runlevel Changes.
[  OK  ] Started Load/Save RF Kill Switch Status.

Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.1.2' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [ 1001.337418] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 245s!
[ 1001.345977] Showing busy workqueues and worker pools:
[ 1001.351319] workqueue events: flags=0x0
[ 1001.355397]   pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3
[ 1001.362505]     in-flight: 7978:rtc_timer_do_work
[ 1001.367350]     pending: cache_reap
[ 1001.370988]   pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 1001.377915]     pending: defense_work_handler
[ 1001.382451] workqueue events_freezable: flags=0x4
[ 1001.387292]   pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 1001.394245]     pending: update_balloon_stats_func
[ 1001.399210] workqueue events_power_efficient: flags=0x80
[ 1001.404661]   pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3
[ 1001.411620]     pending: fb_flashcursor, neigh_periodic_work
[ 1001.417475] workqueue mm_percpu_wq: flags=0x8
[ 1001.421986]   pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 1001.428955]     pending: vmstat_update
[ 1001.432934] workqueue dm_bufio_cache: flags=0x8
[ 1001.437601]   pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
[ 1001.444539]     pending: work_fn
[ 1001.447961] pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=245s workers=3 idle: 3461 18