Warning: Permanently added '10.128.0.9' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 857.967728] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 234s! [ 857.976299] Showing busy workqueues and worker pools: [ 857.981597] workqueue events: flags=0x0 [ 857.985758] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 857.992886] in-flight: 18:rtc_timer_do_work [ 857.997560] pending: cache_reap [ 858.001190] workqueue events_long: flags=0x0 [ 858.005590] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 858.012623] pending: gc_worker [ 858.016191] workqueue events_freezable: flags=0x4 [ 858.021021] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 858.027971] pending: update_balloon_stats_func [ 858.032931] workqueue events_power_efficient: flags=0x80 [ 858.038394] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 858.045361] pending: fb_flashcursor, check_lifetime, do_cache_clean [ 858.052171] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 858.059097] in-flight: 3:sync_cmos_clock [ 858.063541] workqueue mm_percpu_wq: flags=0x8 [ 858.068023] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 858.074967] pending: vmstat_update [ 858.078937] workqueue dm_bufio_cache: flags=0x8 [ 858.083595] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 858.090531] pending: work_fn [ 858.093936] workqueue ipv6_addrconf: flags=0x40008 [ 858.098853] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 [ 858.105647] pending: addrconf_verify_work [ 858.110178] pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=0s workers=3 idle: 7964 4638 [ 858.118075] pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=235s workers=2 idle: 3555