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-3,10.128.15.203' (ECDSA) to the list of known hosts.
2017/12/04 14:31:29 fuzzer started
2017/12/04 14:31:29 dialing manager at 10.128.0.26:36183
syzkaller login: [   33.639639] WARNING: CPU: 1 PID: 3084 at kernel/sched/wait.c:79 __wake_up_common+0x433/0x770
[   33.640882] Kernel panic - not syncing: panic_on_warn set ...
[   33.640882] 
[   33.641848] CPU: 1 PID: 3084 Comm: syz-fuzzer Not tainted 4.15.0-rc1-mm1+ #35
[   33.642799] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   33.644044] Call Trace:
[   33.644401]  dump_stack+0x194/0x257
[   33.644891]  ? arch_local_irq_restore+0x53/0x53
[   33.645516]  ? vsnprintf+0x1ed/0x1900
[   33.646030]  panic+0x1e4/0x41c
[   33.646466]  ? refcount_error_report+0x214/0x214
[   33.647100]  ? show_regs_print_info+0x65/0x65
[   33.647706]  ? __warn+0x1c1/0x200
[   33.648176]  ? __wake_up_common+0x433/0x770
[   33.648753]  __warn+0x1dc/0x200
[   33.649199]  ? __wake_up_common+0x433/0x770
[   33.649778]  report_bug+0x211/0x2d0
[   33.650272]  fixup_bug.part.11+0x37/0x80
[   33.650836]  do_error_trap+0x2d7/0x3e0
[   33.651372]  ? math_error+0x400/0x400
[   33.651908]  ? check_noncircular+0x20/0x20
[   33.652479]  ? find_held_lock+0x39/0x1d0
[   33.653026]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   33.653676]  do_invalid_op+0x1b/0x20
[   33.654176]  invalid_op+0x22/0x40
[   33.654640] RIP: 0010:__wake_up_common+0x433/0x770
[   33.655292] RSP: 0018:ffff8801cb90f4b0 EFLAGS: 00010046
[   33.656001] RAX: 0000000000000000 RBX: ffff8801cd278d50 RCX: 0000000000000004
[   33.656953] RDX: 1ffffffff0bd9741 RSI: ffff8801cd278d68 RDI: 0000000000000082
[   33.657940] RBP: ffff8801cb90f5b0 R08: 0000000000000000 R09: 0000000000000000
[   33.658890] R10: 0000000000000000 R11: ffffffff8748cda0 R12: 0000000000000000
[   33.659844] R13: ffff8801cd278d90 R14: 0000000000000001 R15: ffff8801cd278df0
[   33.667094]  ? __lock_is_held+0xbc/0x140
[   33.671123]  ? lock_release+0xda0/0xda0
[   33.675063]  ? do_wait_intr+0x3e0/0x3e0
[   33.679009]  ? __lock_is_held+0xbc/0x140
[   33.683042]  __wake_up_locked+0x11/0x20
[   33.686981]  ep_insert+0x15d0/0x1b10
[   33.690675]  ? ep_poll+0x1190/0x1190
[   33.694358]  ? lock_release+0xda0/0xda0
[   33.698298]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   33.704144]  ? lock_downgrade+0x980/0x980
[   33.708260]  ? rcu_note_context_switch+0x710/0x710
[   33.713158]  ? __might_sleep+0x95/0x190
[   33.717096]  ? SyS_epoll_ctl+0x8a3/0x1ab0
[   33.721209]  ? __mutex_lock+0x16f/0x1a80
[   33.725232]  ? SyS_epoll_ctl+0x8a3/0x1ab0
[   33.729345]  ? lock_downgrade+0x980/0x980
[   33.733456]  ? SyS_epoll_ctl+0x8a3/0x1ab0
[   33.737575]  ? lock_release+0xda0/0xda0
[   33.741516]  ? __lock_is_held+0xbc/0x140
[   33.745557]  ? __fget+0x362/0x580
[   33.748983]  ? iterate_fd+0x3f0/0x3f0
[   33.752749]  ? find_held_lock+0x39/0x1d0
[   33.756787]  ? lock_downgrade+0x980/0x980
[   33.760902]  ? __might_fault+0xe0/0x1d0
[   33.764845]  ? __fget_light+0x29d/0x390
[   33.768787]  ? fget_raw+0x20/0x20
[   33.772207]  ? is_bpf_text_address+0xa4/0x120
[   33.776669]  ? kernel_text_address+0x102/0x140
[   33.781221]  ? __might_sleep+0x95/0x190
[   33.785161]  ? ep_unregister_pollwait.isra.7+0x590/0x590
[   33.790584]  SyS_epoll_ctl+0x12e4/0x1ab0
[   33.794610]  ? SyS_epoll_ctl+0x12e4/0x1ab0
[   33.798811]  ? save_stack+0xa3/0xd0
[   33.802414]  ? SyS_epoll_create+0x240/0x240
[   33.806699]  ? __lock_is_held+0xbc/0x140
[   33.810739]  ? __fd_install+0x288/0x740
[   33.814679]  ? get_unused_fd_flags+0x190/0x190
[   33.819227]  ? may_open_dev+0xe0/0xe0
[   33.823000]  ? rcu_pm_notify+0xc0/0xc0
[   33.826855]  ? putname+0xee/0x130
[   33.830275]  ? putname+0xee/0x130
[   33.833693]  ? rcu_read_lock_sched_held+0x108/0x120
[   33.838679]  ? kmem_cache_free+0x249/0x280
[   33.842881]  ? putname+0xf3/0x130
[   33.846304]  ? do_sys_open+0x320/0x6d0
[   33.850163]  ? entry_SYSCALL_64_fastpath+0x5/0x96
[   33.854975]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   33.859961]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   33.864690]  entry_SYSCALL_64_fastpath+0x1f/0x96
[   33.869411] RIP: 0033:0x45f7d8
[   33.872568] RSP: 002b:000000c4202c94b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9
[   33.880241] RAX: ffffffffffffffda RBX: 0000000000001000 RCX: 000000000045f7d8
[   33.887476] RDX: 0000000000000003 RSI: 0000000000000001 RDI: 0000000000000004
[   33.894719] RBP: 00007f903b758d58 R08: 0000000000000000 R09: 0000000000000000
[   33.901964] R10: 000000c4202c94e4 R11: 0000000000000246 R12: 000000c4200b405c
[   33.911006] R13: 0000000000000008 R14: ffffffffffffffff R15: 0000000000000008
[   33.919083] Dumping ftrace buffer:
[   33.922654]    (ftrace buffer empty)
[   33.926332] Kernel Offset: disabled
[   33.929928] Rebooting in 86400 seconds..