INIT: Entering runlevel: 2

[info] Using makefile-style concurrent boot in runlevel 2.
[....] 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 'ci-upstream-kasan-gce-8,10.128.0.27' (ECDSA) to the list of known hosts.
net.ipv6.conf.syz0.accept_dad = 0
net.ipv6.conf.syz0.router_solicitations = 0
executing program
syzkaller login: [  214.495052] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 51s!
[  214.497244] Showing busy workqueues and worker pools:
[  214.498945] workqueue events: flags=0x0
[  214.500074]   pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256
[  214.501664]     pending: cache_reap
[  214.502718] workqueue mm_percpu_wq: flags=0x8
[  214.504120]   pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256
[  214.505763]     pending: vmstat_update
[  214.507041] workqueue ipv6_addrconf: flags=0x40008
[  214.508239]   pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1
[  214.509583]     pending: addrconf_dad_work