[info] Using makefile-style concurrent boot in runlevel 2.
[   24.433403] audit: type=1800 audit(1539461835.359:21): pid=5402 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0
[   24.460728] audit: type=1800 audit(1539461835.369:22): pid=5402 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="motd" dev="sda1" ino=2447 res=0
[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

Warning: Permanently added '10.128.10.58' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [  254.989172] hrtimer: interrupt took 27373 ns
[  254.995004] sched: DL replenish lagged too much
[  429.474855] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 173s!
[  429.483356] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=-20 stuck for 169s!
[  429.491714] Showing busy workqueues and worker pools:
[  429.496978] workqueue events: flags=0x0
[  429.501126]   pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256
[  429.507599]     pending: cache_reap
[  429.511267] workqueue events_power_efficient: flags=0x80
[  429.516753]   pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256
[  429.522924]     pending: neigh_periodic_work, check_lifetime
[  429.528764] workqueue mm_percpu_wq: flags=0x8
[  429.533261]   pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256
[  429.539465]     pending: vmstat_update
[  429.543395] workqueue kblockd: flags=0x18
[  429.547559]   pwq 3: cpus=1 node=0 flags=0x0 nice=-20 active=1/256
[  429.553908]     pending: blk_mq_requeue_work
[  429.558394] workqueue dm_bufio_cache: flags=0x8
[  429.563065]   pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256
[  429.569238]     pending: work_fn