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-3,10.128.0.14' (ECDSA) to the list of known hosts.
2017/12/04 14:27:28 fuzzer started
2017/12/04 14:27:28 dialing manager at 10.128.0.26:36183
syzkaller login: [   41.090072] WARNING: CPU: 0 PID: 3090 at kernel/sched/wait.c:79 __wake_up_common+0x433/0x770
[   41.091438] Kernel panic - not syncing: panic_on_warn set ...
[   41.091438] 
[   41.092430] CPU: 0 PID: 3090 Comm: syz-fuzzer Not tainted 4.15.0-rc1-mm1+ #35
[   41.093383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   41.094601] Call Trace:
[   41.094978]  dump_stack+0x194/0x257
[   41.095471]  ? arch_local_irq_restore+0x53/0x53
[   41.096099]  ? vsnprintf+0x1ed/0x1900
[   41.096637]  panic+0x1e4/0x41c
[   41.097071]  ? refcount_error_report+0x214/0x214
[   41.097722]  ? show_regs_print_info+0x65/0x65
[   41.098328]  ? __warn+0x1c1/0x200
[   41.098798]  ? __wake_up_common+0x433/0x770
[   41.099373]  __warn+0x1dc/0x200
[   41.099817]  ? __wake_up_common+0x433/0x770
[   41.100398]  report_bug+0x211/0x2d0
[   41.100894]  fixup_bug.part.11+0x37/0x80
[   41.101440]  do_error_trap+0x2d7/0x3e0
[   41.101965]  ? math_error+0x400/0x400
[   41.102494]  ? check_noncircular+0x20/0x20
[   41.103064]  ? find_held_lock+0x39/0x1d0
[   41.103612]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   41.104274]  do_invalid_op+0x1b/0x20
[   41.104773]  invalid_op+0x22/0x40
[   41.105239] RIP: 0010:__wake_up_common+0x433/0x770
[   41.105891] RSP: 0018:ffff8801d0bb74b0 EFLAGS: 00010046
[   41.106621] RAX: 0000000000000000 RBX: ffff8801cbcc3610 RCX: 0000000000000004
[   41.107573] RDX: 1ffffffff0bd9741 RSI: ffff8801cbcc3628 RDI: 0000000000000082
[   41.108525] RBP: ffff8801d0bb75b0 R08: 0000000000000000 R09: 0000000000000000
[   41.109476] R10: 0000000000000000 R11: ffffffff8748cda0 R12: 0000000000000000
[   41.111756] R13: ffff8801cbcc3650 R14: 0000000000000001 R15: ffff8801cbcc36b0
[   41.119011]  ? __lock_is_held+0xbc/0x140
[   41.123039]  ? lock_release+0xda0/0xda0
[   41.126980]  ? do_wait_intr+0x3e0/0x3e0
[   41.130924]  ? __lock_is_held+0xbc/0x140
[   41.134958]  __wake_up_locked+0x11/0x20
[   41.138900]  ep_insert+0x15d0/0x1b10
[   41.142594]  ? ep_poll+0x1190/0x1190
[   41.146280]  ? lock_release+0xda0/0xda0
[   41.150224]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   41.156075]  ? lock_downgrade+0x980/0x980
[   41.160193]  ? rcu_note_context_switch+0x710/0x710
[   41.165095]  ? __might_sleep+0x95/0x190
[   41.169036]  ? SyS_epoll_ctl+0x8a3/0x1ab0
[   41.173151]  ? __mutex_lock+0x16f/0x1a80
[   41.177176]  ? SyS_epoll_ctl+0x8a3/0x1ab0
[   41.181297]  ? lock_downgrade+0x980/0x980
[   41.185426]  ? SyS_epoll_ctl+0x8a3/0x1ab0
[   41.189565]  ? lock_release+0xda0/0xda0
[   41.193521]  ? __lock_is_held+0xbc/0x140
[   41.197574]  ? __fget+0x362/0x580
[   41.201003]  ? iterate_fd+0x3f0/0x3f0
[   41.204771]  ? find_held_lock+0x39/0x1d0
[   41.208830]  ? lock_downgrade+0x980/0x980
[   41.212946]  ? __might_fault+0xe0/0x1d0
[   41.216892]  ? __fget_light+0x29d/0x390
[   41.220834]  ? fget_raw+0x20/0x20
[   41.224259]  ? is_bpf_text_address+0xa4/0x120
[   41.228721]  ? kernel_text_address+0x102/0x140
[   41.233273]  ? __might_sleep+0x95/0x190
[   41.237217]  ? ep_unregister_pollwait.isra.7+0x590/0x590
[   41.242644]  SyS_epoll_ctl+0x12e4/0x1ab0
[   41.246673]  ? SyS_epoll_ctl+0x12e4/0x1ab0
[   41.250876]  ? save_stack+0xa3/0xd0
[   41.254477]  ? SyS_epoll_create+0x240/0x240
[   41.258766]  ? __lock_is_held+0xbc/0x140
[   41.262806]  ? __fd_install+0x288/0x740
[   41.266750]  ? get_unused_fd_flags+0x190/0x190
[   41.271299]  ? may_open_dev+0xe0/0xe0
[   41.275074]  ? rcu_pm_notify+0xc0/0xc0
[   41.278930]  ? putname+0xee/0x130
[   41.282355]  ? putname+0xee/0x130
[   41.285774]  ? rcu_read_lock_sched_held+0x108/0x120
[   41.290761]  ? kmem_cache_free+0x249/0x280
[   41.294964]  ? putname+0xf3/0x130
[   41.298386]  ? do_sys_open+0x320/0x6d0
[   41.302249]  ? entry_SYSCALL_64_fastpath+0x5/0x96
[   41.307069]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   41.312053]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   41.316782]  entry_SYSCALL_64_fastpath+0x1f/0x96
[   41.321502] RIP: 0033:0x45f7d8
[   41.324657] RSP: 002b:000000c4202614b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9
[   41.332332] RAX: ffffffffffffffda RBX: 0000000000000045 RCX: 000000000045f7d8
[   41.339567] RDX: 0000000000000003 RSI: 0000000000000001 RDI: 0000000000000004
[   41.346803] RBP: 000000c420261720 R08: 0000000000000000 R09: 0000000000000000
[   41.354042] R10: 000000c4202614e4 R11: 0000000000000246 R12: 000000c4219ff9b9
[   41.361278] R13: 00000000000000f5 R14: 0000000000000011 R15: 0000000000000018
[   41.368725] Dumping ftrace buffer:
[   41.372303]    (ftrace buffer empty)
[   41.375982] Kernel Offset: disabled
[   41.379578] Rebooting in 86400 seconds..