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-5,10.128.0.42' (ECDSA) to the list of known hosts.
2017/12/04 14:26:44 fuzzer started
2017/12/04 14:26:44 dialing manager at 10.128.0.26:36183
syzkaller login: [   33.153802] WARNING: CPU: 1 PID: 3081 at kernel/sched/wait.c:79 __wake_up_common+0x433/0x770
[   33.155071] Kernel panic - not syncing: panic_on_warn set ...
[   33.155071] 
[   33.156039] CPU: 1 PID: 3081 Comm: syz-fuzzer Not tainted 4.15.0-rc1-mm1+ #35
[   33.156993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   33.158265] Call Trace:
[   33.158621]  dump_stack+0x194/0x257
[   33.159113]  ? arch_local_irq_restore+0x53/0x53
[   33.159808]  ? vsnprintf+0x1ed/0x1900
[   33.160326]  panic+0x1e4/0x41c
[   33.160807]  ? refcount_error_report+0x214/0x214
[   33.161441]  ? show_regs_print_info+0x65/0x65
[   33.162049]  ? __warn+0x1c1/0x200
[   33.162532]  ? __wake_up_common+0x433/0x770
[   33.163108]  __warn+0x1dc/0x200
[   33.163550]  ? __wake_up_common+0x433/0x770
[   33.164127]  report_bug+0x211/0x2d0
[   33.164621]  fixup_bug.part.11+0x37/0x80
[   33.165165]  do_error_trap+0x2d7/0x3e0
[   33.165690]  ? math_error+0x400/0x400
[   33.166202]  ? check_noncircular+0x20/0x20
[   33.166772]  ? find_held_lock+0x39/0x1d0
[   33.167355]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   33.168005]  do_invalid_op+0x1b/0x20
[   33.168507]  invalid_op+0x22/0x40
[   33.168972] RIP: 0010:__wake_up_common+0x433/0x770
[   33.169625] RSP: 0018:ffff8801cbe7f4b0 EFLAGS: 00010046
[   33.170334] RAX: 0000000000000000 RBX: ffff8801cc1dee10 RCX: 0000000000000004
[   33.171297] RDX: 1ffffffff0bd9741 RSI: ffff8801cc1dee28 RDI: 0000000000000082
[   33.172249] RBP: ffff8801cbe7f5b0 R08: 0000000000000000 R09: 0000000000000000
[   33.173200] R10: 0000000000000000 R11: ffffffff8748cda0 R12: 0000000000000000
[   33.174151] R13: ffff8801cc1dee50 R14: 0000000000000001 R15: ffff8801cc1deeb0
[   33.181405]  ? __lock_is_held+0xbc/0x140
[   33.185434]  ? lock_release+0xda0/0xda0
[   33.189375]  ? do_wait_intr+0x3e0/0x3e0
[   33.193319]  ? __lock_is_held+0xbc/0x140
[   33.197360]  __wake_up_locked+0x11/0x20
[   33.201303]  ep_insert+0x15d0/0x1b10
[   33.204996]  ? ep_poll+0x1190/0x1190
[   33.208677]  ? lock_release+0xda0/0xda0
[   33.212617]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   33.218463]  ? lock_downgrade+0x980/0x980
[   33.222578]  ? rcu_note_context_switch+0x710/0x710
[   33.227476]  ? __might_sleep+0x95/0x190
[   33.231416]  ? SyS_epoll_ctl+0x8a3/0x1ab0
[   33.235529]  ? __mutex_lock+0x16f/0x1a80
[   33.239552]  ? SyS_epoll_ctl+0x8a3/0x1ab0
[   33.243665]  ? lock_downgrade+0x980/0x980
[   33.247777]  ? SyS_epoll_ctl+0x8a3/0x1ab0
[   33.251899]  ? lock_release+0xda0/0xda0
[   33.255840]  ? __lock_is_held+0xbc/0x140
[   33.259877]  ? __fget+0x362/0x580
[   33.263301]  ? iterate_fd+0x3f0/0x3f0
[   33.267066]  ? find_held_lock+0x39/0x1d0
[   33.271103]  ? lock_downgrade+0x980/0x980
[   33.275222]  ? __might_fault+0xe0/0x1d0
[   33.279168]  ? __fget_light+0x29d/0x390
[   33.283109]  ? fget_raw+0x20/0x20
[   33.286528]  ? is_bpf_text_address+0xa4/0x120
[   33.290990]  ? kernel_text_address+0x102/0x140
[   33.295539]  ? __might_sleep+0x95/0x190
[   33.299479]  ? ep_unregister_pollwait.isra.7+0x590/0x590
[   33.304905]  SyS_epoll_ctl+0x12e4/0x1ab0
[   33.308934]  ? SyS_epoll_ctl+0x12e4/0x1ab0
[   33.313136]  ? save_stack+0xa3/0xd0
[   33.316735]  ? SyS_epoll_create+0x240/0x240
[   33.321020]  ? __lock_is_held+0xbc/0x140
[   33.325060]  ? __fd_install+0x288/0x740
[   33.329003]  ? get_unused_fd_flags+0x190/0x190
[   33.333551]  ? may_open_dev+0xe0/0xe0
[   33.337323]  ? rcu_pm_notify+0xc0/0xc0
[   33.341181]  ? putname+0xee/0x130
[   33.344604]  ? putname+0xee/0x130
[   33.348024]  ? rcu_read_lock_sched_held+0x108/0x120
[   33.353007]  ? kmem_cache_free+0x249/0x280
[   33.357208]  ? putname+0xf3/0x130
[   33.360631]  ? do_sys_open+0x320/0x6d0
[   33.364491]  ? entry_SYSCALL_64_fastpath+0x5/0x96
[   33.369301]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   33.374284]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   33.379011]  entry_SYSCALL_64_fastpath+0x1f/0x96
[   33.383733] RIP: 0033:0x45f7d8
[   33.386887] RSP: 002b:000000c4204514b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9
[   33.394558] RAX: ffffffffffffffda RBX: 0000000000001000 RCX: 000000000045f7d8
[   33.401791] RDX: 0000000000000003 RSI: 0000000000000001 RDI: 0000000000000004
[   33.409025] RBP: 00007fdcca678d58 R08: 0000000000000000 R09: 0000000000000000
[   33.416261] R10: 000000c4204514e4 R11: 0000000000000246 R12: 0000000000000610
[   33.423494] R13: 00000000000000fb R14: 00000000000000fb R15: 0000000000000018
[   33.430923] Dumping ftrace buffer:
[   33.434489]    (ftrace buffer empty)
[   33.438165] Kernel Offset: disabled
[   33.441763] Rebooting in 86400 seconds..