[....] Starting enhanced syslogd: rsyslogd[   13.015528] audit: type=1400 audit(1517669916.444:4): avc:  denied  { syslog } for  pid=3855 comm="rsyslogd" capability=34  scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1
[?25l[?1c7[ ok 8[?25h[?0c.
Starting mcstransd: 
[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting file context maintaining daemon: restorecond[?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 '10.128.0.18' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [  102.567071] BUG: using __this_cpu_read() in preemptible [00000000] code: syzkaller354077/4060
[  102.576141] caller is __this_cpu_preempt_check+0x1c/0x20
[  102.581617] CPU: 1 PID: 4060 Comm: syzkaller354077 Not tainted 4.9.79-g47af77b #26
[  102.589310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  102.598644]  ffff8801d0097478 ffffffff81d94b09 0000000000000001 ffffffff83c18800
[  102.606634]  ffffffff83f454c0 ffff8801cb64c800 0000000000000003 ffff8801d00974b8
[  102.614611]  ffffffff81dfc0e4 ffff8801d00974d0 ffffffff83f454c0 dffffc0000000000
[  102.622624] Call Trace:
[  102.625191]  [<ffffffff81d94b09>] dump_stack+0xc1/0x128
[  102.630535]  [<ffffffff81dfc0e4>] check_preemption_disabled+0x1d4/0x200
[  102.637261]  [<ffffffff81dfc14c>] __this_cpu_preempt_check+0x1c/0x20
[  102.643745]  [<ffffffff833fcdd8>] ipcomp_init_state+0x188/0x930
[  102.649800]  [<ffffffff81234b41>] ? __lock_is_held+0xa1/0xf0
[  102.655570]  [<ffffffff83512ee5>] ipcomp6_init_state+0xb5/0x820
[  102.661602]  [<ffffffff833db443>] ? __xfrm_init_state+0x363/0xb30
[  102.667803]  [<ffffffff833db4c7>] __xfrm_init_state+0x3e7/0xb30
[  102.673840]  [<ffffffff833fa626>] xfrm_add_sa+0x1916/0x2e40
[  102.679527]  [<ffffffff833f8d10>] ? xfrm_send_state_notify+0x17d0/0x17d0
[  102.686348]  [<ffffffff81e403d3>] ? nla_parse+0x213/0x260
[  102.691863]  [<ffffffff833f8d10>] ? xfrm_send_state_notify+0x17d0/0x17d0
[  102.698674]  [<ffffffff833eac73>] xfrm_user_rcv_msg+0x413/0x6a0
[  102.704705]  [<ffffffff833ea860>] ? xfrm_dump_sa_done+0xe0/0xe0
[  102.710740]  [<ffffffff8309537e>] netlink_rcv_skb+0x13e/0x370
[  102.716603]  [<ffffffff833ea860>] ? xfrm_dump_sa_done+0xe0/0xe0
[  102.722636]  [<ffffffff833e716f>] xfrm_netlink_rcv+0x6f/0x90
[  102.728497]  [<ffffffff83093f01>] netlink_unicast+0x511/0x750
[  102.734355]  [<ffffffff83093e2c>] ? netlink_unicast+0x43c/0x750
[  102.740388]  [<ffffffff830939f0>] ? netlink_attachskb+0x680/0x680
[  102.746594]  [<ffffffff83094a28>] netlink_sendmsg+0x8e8/0xc50
[  102.752456]  [<ffffffff83094140>] ? netlink_unicast+0x750/0x750
[  102.758491]  [<ffffffff81bf75cf>] ? selinux_socket_sendmsg+0x3f/0x50
[  102.764979]  [<ffffffff81bd60b9>] ? security_socket_sendmsg+0x89/0xb0
[  102.771620]  [<ffffffff83094140>] ? netlink_unicast+0x750/0x750
[  102.777656]  [<ffffffff82ed7baa>] sock_sendmsg+0xca/0x110
[  102.783166]  [<ffffffff82ed97a1>] ___sys_sendmsg+0x6d1/0x7e0
[  102.788933]  [<ffffffff82ed90d0>] ? copy_msghdr_from_user+0x550/0x550
[  102.795501]  [<ffffffff81465f97>] ? __lru_cache_add+0x187/0x250
[  102.801536]  [<ffffffff81dfbf4b>] ? check_preemption_disabled+0x3b/0x200
[  102.808361]  [<ffffffff815d1598>] ? __fget+0x228/0x3a0
[  102.813609]  [<ffffffff815d13b7>] ? __fget+0x47/0x3a