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-4,10.128.0.13' (ECDSA) to the list of known hosts.
2017/12/04 14:33:39 fuzzer started
2017/12/04 14:33:39 dialing manager at 10.128.0.26:36183
syzkaller login: [   35.295671] WARNING: CPU: 1 PID: 3091 at kernel/sched/wait.c:79 __wake_up_common+0x433/0x770
[   35.296896] Kernel panic - not syncing: panic_on_warn set ...
[   35.296896] 
[   35.298184] CPU: 1 PID: 3091 Comm: syz-fuzzer Not tainted 4.15.0-rc1-mm1+ #35
[   35.299171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   35.300394] Call Trace:
[   35.300759]  dump_stack+0x194/0x257
[   35.301252]  ? arch_local_irq_restore+0x53/0x53
[   35.301883]  ? vsnprintf+0x1ed/0x1900
[   35.302401]  panic+0x1e4/0x41c
[   35.302834]  ? refcount_error_report+0x214/0x214
[   35.303466]  ? show_regs_print_info+0x65/0x65
[   35.304072]  ? __warn+0x1c1/0x200
[   35.304543]  ? __wake_up_common+0x433/0x770
[   35.305119]  __warn+0x1dc/0x200
[   35.305567]  ? __wake_up_common+0x433/0x770
[   35.306146]  report_bug+0x211/0x2d0
[   35.306644]  fixup_bug.part.11+0x37/0x80
[   35.307189]  do_error_trap+0x2d7/0x3e0
[   35.307716]  ? math_error+0x400/0x400
[   35.308245]  ? check_noncircular+0x20/0x20
[   35.308817]  ? find_held_lock+0x39/0x1d0
[   35.309368]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   35.310023]  do_invalid_op+0x1b/0x20
[   35.310529]  invalid_op+0x22/0x40
[   35.310996] RIP: 0010:__wake_up_common+0x433/0x770
[   35.311649] RSP: 0018:ffff8801bf16f4b0 EFLAGS: 00010046
[   35.312360] RAX: 0000000000000000 RBX: ffff8801cc103650 RCX: 0000000000000004
[   35.313315] RDX: 1ffffffff0bd9741 RSI: ffff8801cc103668 RDI: 0000000000000082
[   35.314269] RBP: ffff8801bf16f5b0 R08: 0000000000000000 R09: 0000000000000000
[   35.315222] R10: 0000000000000000 R11: ffffffff8748cda0 R12: 0000000000000000
[   35.319772] R13: ffff8801cc103690 R14: 0000000000000001 R15: ffff8801cc1036f0
[   35.327290]  ? __lock_is_held+0xbc/0x140
[   35.331321]  ? lock_release+0xda0/0xda0
[   35.335264]  ? do_wait_intr+0x3e0/0x3e0
[   35.339211]  ? __lock_is_held+0xbc/0x140
[   35.343248]  __wake_up_locked+0x11/0x20
[   35.347801]  ep_insert+0x15d0/0x1b10
[   35.352459]  ? ep_poll+0x1190/0x1190
[   35.356152]  ? lock_release+0xda0/0xda0
[   35.360102]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   35.365952]  ? lock_downgrade+0x980/0x980
[   35.370073]  ? rcu_note_context_switch+0x710/0x710
[   35.374975]  ? __might_sleep+0x95/0x190
[   35.378917]  ? SyS_epoll_ctl+0x8a3/0x1ab0
[   35.383035]  ? __mutex_lock+0x16f/0x1a80
[   35.387063]  ? SyS_epoll_ctl+0x8a3/0x1ab0
[   35.391182]  ? lock_downgrade+0x980/0x980
[   35.395298]  ? SyS_epoll_ctl+0x8a3/0x1ab0
[   35.399418]  ? lock_release+0xda0/0xda0
[   35.403362]  ? __lock_is_held+0xbc/0x140
[   35.407407]  ? __fget+0x362/0x580
[   35.410834]  ? iterate_fd+0x3f0/0x3f0
[   35.414611]  ? find_held_lock+0x39/0x1d0
[   35.418654]  ? lock_downgrade+0x980/0x980
[   35.422773]  ? __might_fault+0xe0/0x1d0
[   35.426721]  ? __fget_light+0x29d/0x390
[   35.430663]  ? fget_raw+0x20/0x20
[   35.434086]  ? is_bpf_text_address+0xa4/0x120
[   35.438551]  ? kernel_text_address+0x102/0x140
[   35.443105]  ? __might_sleep+0x95/0x190
[   35.447051]  ? ep_unregister_pollwait.isra.7+0x590/0x590
[   35.453000]  SyS_epoll_ctl+0x12e4/0x1ab0
[   35.458679]  ? SyS_epoll_ctl+0x12e4/0x1ab0
[   35.463230]  ? save_stack+0xa3/0xd0
[   35.466834]  ? SyS_epoll_create+0x240/0x240
[   35.471123]  ? __lock_is_held+0xbc/0x140
[   35.475167]  ? __fd_install+0x288/0x740
[   35.479115]  ? get_unused_fd_flags+0x190/0x190
[   35.483667]  ? may_open_dev+0xe0/0xe0
[   35.488232]  ? rcu_pm_notify+0xc0/0xc0
[   35.492088]  ? putname+0xee/0x130
[   35.495512]  ? putname+0xee/0x130
[   35.498930]  ? rcu_read_lock_sched_held+0x108/0x120
[   35.503916]  ? kmem_cache_free+0x249/0x280
[   35.508120]  ? putname+0xf3/0x130
[   35.511546]  ? do_sys_open+0x320/0x6d0
[   35.515673]  ? entry_SYSCALL_64_fastpath+0x5/0x96
[   35.520487]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   35.525476]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   35.530204]  entry_SYSCALL_64_fastpath+0x1f/0x96
[   35.534928] RIP: 0033:0x45f7d8
[   35.538084] RSP: 002b:000000c4202cb4b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9
[   35.545759] RAX: ffffffffffffffda RBX: 000000c42011cb40 RCX: 000000000045f7d8
[   35.553000] RDX: 0000000000000003 RSI: 0000000000000001 RDI: 0000000000000004
[   35.560238] RBP: 000000c4202cb778 R08: 0000000000000000 R09: 0000000000000000
[   35.567477] R10: 000000c4202cb4e4 R11: 0000000000000246 R12: 0000000000000000
[   35.574731] R13: 000000c420253c89 R14: ffffffffffffffff R15: 0000000000000080
[   35.582229] Dumping ftrace buffer:
[   35.585815]    (ftrace buffer empty)
[   35.589499] Kernel Offset: disabled
[   35.593099] Rebooting in 86400 seconds..