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-mmots-kasan-gce-6,10.128.15.225' (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: [  181.272045] device gre0 entered promiscuous mode
[  214.495046] BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 33s!
[  214.503219] Showing busy workqueues and worker pools:
[  214.508437] workqueue events: flags=0x0
[  214.512475]   pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256
[  214.518673]     pending: cache_reap
[  214.522316] workqueue events_power_efficient: flags=0x80
[  214.527756]   pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256
[  214.533892]     pending: neigh_periodic_work
[  214.538311] workqueue mm_percpu_wq: flags=0x8
[  214.542799]   pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256
[  214.548941]     pending: vmstat_update
[  214.552845] workqueue kblockd: flags=0x18
[  214.556986]   pwq 3: cpus=1 node=0 flags=0x0 nice=-20 active=1/256
[  214.563301]     pending: blk_timeout_work
[  214.567471] workqueue ipv6_addrconf: flags=0x40008
[  214.572393]   pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1
[  214.578357]     pending: addrconf_dad_work
[  214.582573]     delayed: addrconf_dad_work, addrconf_dad_work