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-0,10.128.0.54' (ECDSA) to the list of known hosts.
2017/12/04 14:27:23 fuzzer started
2017/12/04 14:27:23 dialing manager at 10.128.0.26:36183
syzkaller login: [   27.150747] WARNING: CPU: 1 PID: 3085 at kernel/sched/wait.c:79 __wake_up_common+0x433/0x770
[   27.152010] Kernel panic - not syncing: panic_on_warn set ...
[   27.152010] 
[   27.153002] CPU: 1 PID: 3085 Comm: syz-fuzzer Not tainted 4.15.0-rc1-mm1+ #35
[   27.153957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   27.155178] Call Trace:
[   27.155542]  dump_stack+0x194/0x257
[   27.156034]  ? arch_local_irq_restore+0x53/0x53
[   27.156706]  ? vsnprintf+0x1ed/0x1900
[   27.157248]  panic+0x1e4/0x41c
[   27.157682]  ? refcount_error_report+0x214/0x214
[   27.158915]  ? show_regs_print_info+0x65/0x65
[   27.159537]  ? __warn+0x1c1/0x200
[   27.160037]  ? __wake_up_common+0x433/0x770
[   27.160612]  __warn+0x1dc/0x200
[   27.161060]  ? __wake_up_common+0x433/0x770
[   27.161639]  report_bug+0x211/0x2d0
[   27.162161]  fixup_bug.part.11+0x37/0x80
[   27.162714]  do_error_trap+0x2d7/0x3e0
[   27.163296]  ? math_error+0x400/0x400
[   27.163809]  ? check_noncircular+0x20/0x20
[   27.164430]  ? find_held_lock+0x39/0x1d0
[   27.164981]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   27.165654]  do_invalid_op+0x1b/0x20
[   27.166153]  invalid_op+0x22/0x40
[   27.166622] RIP: 0010:__wake_up_common+0x433/0x770
[   27.167275] RSP: 0018:ffff8801cba2f4b0 EFLAGS: 00010046
[   27.168015] RAX: 0000000000000000 RBX: ffff8801cb8b8410 RCX: 0000000000000004
[   27.169015] RDX: 1ffffffff0bd9741 RSI: ffff8801cb8b8428 RDI: 0000000000000082
[   27.170005] RBP: ffff8801cba2f5b0 R08: 0000000000000000 R09: 0000000000000000
[   27.170967] R10: 0000000000000000 R11: ffffffff8748cda0 R12: 0000000000000000
[   27.178211] R13: ffff8801cb8b8450 R14: 0000000000000001 R15: ffff8801cb8b84b0
[   27.185482]  ? __lock_is_held+0xbc/0x140
[   27.189519]  ? lock_release+0xda0/0xda0
[   27.193464]  ? do_wait_intr+0x3e0/0x3e0
[   27.197412]  ? __lock_is_held+0xbc/0x140
[   27.201451]  __wake_up_locked+0x11/0x20
[   27.205400]  ep_insert+0x15d0/0x1b10
[   27.209097]  ? ep_poll+0x1190/0x1190
[   27.212785]  ? lock_release+0xda0/0xda0
[   27.216730]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   27.222580]  ? lock_downgrade+0x980/0x980
[   27.226699]  ? rcu_note_context_switch+0x710/0x710
[   27.231600]  ? __might_sleep+0x95/0x190
[   27.235545]  ? SyS_epoll_ctl+0x8a3/0x1ab0
[   27.239665]  ? __mutex_lock+0x16f/0x1a80
[   27.243697]  ? SyS_epoll_ctl+0x8a3/0x1ab0
[   27.247815]  ? lock_downgrade+0x980/0x980
[   27.251931]  ? SyS_epoll_ctl+0x8a3/0x1ab0
[   27.256058]  ? lock_release+0xda0/0xda0
[   27.260005]  ? __lock_is_held+0xbc/0x140
[   27.264056]  ? __fget+0x362/0x580
[   27.267488]  ? iterate_fd+0x3f0/0x3f0
[   27.271258]  ? find_held_lock+0x39/0x1d0
[   27.275297]  ? lock_downgrade+0x980/0x980
[   27.279414]  ? __might_fault+0xe0/0x1d0
[   27.283359]  ? __fget_light+0x29d/0x390
[   27.287308]  ? fget_raw+0x20/0x20
[   27.290734]  ? is_bpf_text_address+0xa4/0x120
[   27.295200]  ? kernel_text_address+0x102/0x140
[   27.299757]  ? __might_sleep+0x95/0x190
[   27.303709]  ? ep_unregister_pollwait.isra.7+0x590/0x590
[   27.309140]  SyS_epoll_ctl+0x12e4/0x1ab0
[   27.313170]  ? SyS_epoll_ctl+0x12e4/0x1ab0
[   27.317380]  ? save_stack+0xa3/0xd0
[   27.320983]  ? SyS_epoll_create+0x240/0x240
[   27.325275]  ? __lock_is_held+0xbc/0x140
[   27.329326]  ? __fd_install+0x288/0x740
[   27.333275]  ? get_unused_fd_flags+0x190/0x190
[   27.337826]  ? may_open_dev+0xe0/0xe0
[   27.341606]  ? rcu_pm_notify+0xc0/0xc0
[   27.345469]  ? putname+0xee/0x130
[   27.348896]  ? putname+0xee/0x130
[   27.352329]  ? rcu_read_lock_sched_held+0x108/0x120
[   27.357317]  ? kmem_cache_free+0x249/0x280
[   27.361522]  ? putname+0xf3/0x130
[   27.364948]  ? do_sys_open+0x320/0x6d0
[   27.368810]  ? entry_SYSCALL_64_fastpath+0x5/0x96
[   27.373623]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   27.378612]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   27.383341]  entry_SYSCALL_64_fastpath+0x1f/0x96
[   27.388063] RIP: 0033:0x45f7d8
[   27.391220] RSP: 002b:000000c4202014b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9
[   27.398898] RAX: ffffffffffffffda RBX: 0000000000000045 RCX: 000000000045f7d8
[   27.406137] RDX: 0000000000000003 RSI: 0000000000000001 RDI: 0000000000000004
[   27.413379] RBP: 000000c420201720 R08: 0000000000000000 R09: 0000000000000000
[   27.420616] R10: 000000c4202014e4 R11: 0000000000000246 R12: 000000c4219d99b9
[   27.427853] R13: 00000000000000f5 R14: 0000000000000011 R15: 0000000000000018
[   27.435289] Dumping ftrace buffer:
[   27.438860]    (ftrace buffer empty)
[   27.442558] Kernel Offset: disabled
[   27.446157] Rebooting in 86400 seconds..