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-8,10.128.15.198' (ECDSA) to the list of known hosts.
2017/12/04 14:32:26 fuzzer started
2017/12/04 14:32:26 dialing manager at 10.128.0.26:36183
syzkaller login: [   29.455411] WARNING: CPU: 0 PID: 3089 at kernel/sched/wait.c:79 __wake_up_common+0x433/0x770
[   29.456778] Kernel panic - not syncing: panic_on_warn set ...
[   29.456778] 
[   29.457750] CPU: 0 PID: 3089 Comm: syz-fuzzer Not tainted 4.15.0-rc1-mm1+ #35
[   29.458704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   29.459973] Call Trace:
[   29.460365]  dump_stack+0x194/0x257
[   29.460858]  ? arch_local_irq_restore+0x53/0x53
[   29.461504]  ? vsnprintf+0x1ed/0x1900
[   29.462021]  panic+0x1e4/0x41c
[   29.462466]  ? refcount_error_report+0x214/0x214
[   29.463101]  ? show_regs_print_info+0x65/0x65
[   29.463711]  ? __warn+0x1c1/0x200
[   29.464220]  ? __wake_up_common+0x433/0x770
[   29.464796]  __warn+0x1dc/0x200
[   29.465241]  ? __wake_up_common+0x433/0x770
[   29.465824]  report_bug+0x211/0x2d0
[   29.466321]  fixup_bug.part.11+0x37/0x80
[   29.466865]  do_error_trap+0x2d7/0x3e0
[   29.467391]  ? math_error+0x400/0x400
[   29.467926]  ? check_noncircular+0x20/0x20
[   29.468532]  ? find_held_lock+0x39/0x1d0
[   29.469084]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   29.469737]  do_invalid_op+0x1b/0x20
[   29.470309]  invalid_op+0x22/0x40
[   29.470776] RIP: 0010:__wake_up_common+0x433/0x770
[   29.471429] RSP: 0018:ffff8801d585f4b0 EFLAGS: 00010046
[   29.472164] RAX: 0000000000000000 RBX: ffff8801cd3d5350 RCX: 0000000000000004
[   29.473132] RDX: 1ffffffff0bd9741 RSI: ffff8801cd3d5368 RDI: 0000000000000082
[   29.474108] RBP: ffff8801d585f5b0 R08: 0000000000000000 R09: 0000000000000000
[   29.475076] R10: 0000000000000000 R11: ffffffff8748cda0 R12: 0000000000000000
[   29.479079] R13: ffff8801cd3d5390 R14: 0000000000000001 R15: ffff8801cd3d53f0
[   29.486334]  ? __lock_is_held+0xbc/0x140
[   29.490366]  ? lock_release+0xda0/0xda0
[   29.494308]  ? do_wait_intr+0x3e0/0x3e0
[   29.498254]  ? __lock_is_held+0xbc/0x140
[   29.502291]  __wake_up_locked+0x11/0x20
[   29.506234]  ep_insert+0x15d0/0x1b10
[   29.509939]  ? ep_poll+0x1190/0x1190
[   29.513626]  ? lock_release+0xda0/0xda0
[   29.517573]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   29.523424]  ? lock_downgrade+0x980/0x980
[   29.527543]  ? rcu_note_context_switch+0x710/0x710
[   29.532889]  ? __might_sleep+0x95/0x190
[   29.536838]  ? SyS_epoll_ctl+0x8a3/0x1ab0
[   29.540955]  ? __mutex_lock+0x16f/0x1a80
[   29.544983]  ? SyS_epoll_ctl+0x8a3/0x1ab0
[   29.549103]  ? lock_downgrade+0x980/0x980
[   29.553221]  ? SyS_epoll_ctl+0x8a3/0x1ab0
[   29.557347]  ? lock_release+0xda0/0xda0
[   29.561306]  ? __lock_is_held+0xbc/0x140
[   29.565353]  ? __fget+0x362/0x580
[   29.568785]  ? iterate_fd+0x3f0/0x3f0
[   29.572557]  ? find_held_lock+0x39/0x1d0
[   29.576600]  ? lock_downgrade+0x980/0x980
[   29.580720]  ? __might_fault+0xe0/0x1d0
[   29.584670]  ? __fget_light+0x29d/0x390
[   29.588613]  ? fget_raw+0x20/0x20
[   29.592041]  ? is_bpf_text_address+0xa4/0x120
[   29.596516]  ? kernel_text_address+0x102/0x140
[   29.601075]  ? __might_sleep+0x95/0x190
[   29.605021]  ? ep_unregister_pollwait.isra.7+0x590/0x590
[   29.610450]  SyS_epoll_ctl+0x12e4/0x1ab0
[   29.614480]  ? SyS_epoll_ctl+0x12e4/0x1ab0
[   29.618690]  ? save_stack+0xa3/0xd0
[   29.622295]  ? SyS_epoll_create+0x240/0x240
[   29.626590]  ? __lock_is_held+0xbc/0x140
[   29.630631]  ? __fd_install+0x288/0x740
[   29.634575]  ? get_unused_fd_flags+0x190/0x190
[   29.639128]  ? may_open_dev+0xe0/0xe0
[   29.642906]  ? rcu_pm_notify+0xc0/0xc0
[   29.646767]  ? putname+0xee/0x130
[   29.650193]  ? putname+0xee/0x130
[   29.653617]  ? rcu_read_lock_sched_held+0x108/0x120
[   29.658606]  ? kmem_cache_free+0x249/0x280
[   29.662811]  ? putname+0xf3/0x130
[   29.666237]  ? do_sys_open+0x320/0x6d0
[   29.670105]  ? entry_SYSCALL_64_fastpath+0x5/0x96
[   29.674920]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   29.679907]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   29.684639]  entry_SYSCALL_64_fastpath+0x1f/0x96
[   29.689365] RIP: 0033:0x45f7d8
[   29.692522] RSP: 002b:000000c4201e34b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9
[   29.700198] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000045f7d8
[   29.707436] RDX: 0000000000000003 RSI: 0000000000000001 RDI: 0000000000000004
[   29.714676] RBP: 000000c4201e35f0 R08: 0000000000000000 R09: 0000000000000000
[   29.721912] R10: 000000c4201e34e4 R11: 0000000000000246 R12: 000000c420195a20
[   29.729149] R13: 000000c42019866c R14: 00000000015c7dd0 R15: 0000000000000080
[   29.736637] Dumping ftrace buffer:
[   29.740225]    (ftrace buffer empty)
[   29.743905] Kernel Offset: disabled
[   29.747504] Rebooting in 86400 seconds..