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-8,10.128.15.208' (ECDSA) to the list of known hosts.
2017/12/04 14:30:21 fuzzer started
2017/12/04 14:30:21 dialing manager at 10.128.0.26:36183
syzkaller login: [   40.752605] WARNING: CPU: 0 PID: 3089 at kernel/sched/wait.c:79 __wake_up_common+0x433/0x770
[   40.753945] Kernel panic - not syncing: panic_on_warn set ...
[   40.753945] 
[   40.754914] CPU: 0 PID: 3089 Comm: syz-fuzzer Not tainted 4.15.0-rc1-mm1+ #35
[   40.755866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   40.757087] Call Trace:
[   40.757464]  dump_stack+0x194/0x257
[   40.757957]  ? arch_local_irq_restore+0x53/0x53
[   40.758609]  ? vsnprintf+0x1ed/0x1900
[   40.759144]  panic+0x1e4/0x41c
[   40.759577]  ? refcount_error_report+0x214/0x214
[   40.760211]  ? show_regs_print_info+0x65/0x65
[   40.760820]  ? __warn+0x1c1/0x200
[   40.761301]  ? __wake_up_common+0x433/0x770
[   40.761877]  __warn+0x1dc/0x200
[   40.762362]  ? __wake_up_common+0x433/0x770
[   40.762960]  report_bug+0x211/0x2d0
[   40.763457]  fixup_bug.part.11+0x37/0x80
[   40.764005]  do_error_trap+0x2d7/0x3e0
[   40.764549]  ? math_error+0x400/0x400
[   40.765062]  ? check_noncircular+0x20/0x20
[   40.765651]  ? find_held_lock+0x39/0x1d0
[   40.766241]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   40.766893]  do_invalid_op+0x1b/0x20
[   40.767392]  invalid_op+0x22/0x40
[   40.767870] RIP: 0010:__wake_up_common+0x433/0x770
[   40.768566] RSP: 0018:ffff8801bf1574b0 EFLAGS: 00010046
[   40.769278] RAX: 0000000000000000 RBX: ffff8801cc3c9850 RCX: 0000000000000004
[   40.770258] RDX: 1ffffffff0bd9741 RSI: ffff8801cc3c9868 RDI: 0000000000000082
[   40.771211] RBP: ffff8801bf1575b0 R08: 0000000000000000 R09: 0000000000000000
[   40.772164] R10: 0000000000000000 R11: ffffffff8748cda0 R12: 0000000000000000
[   40.775559] R13: ffff8801cc3c9890 R14: 0000000000000001 R15: ffff8801cc3c98f0
[   40.782819]  ? __lock_is_held+0xbc/0x140
[   40.786850]  ? lock_release+0xda0/0xda0
[   40.790792]  ? do_wait_intr+0x3e0/0x3e0
[   40.795263]  ? __lock_is_held+0xbc/0x140
[   40.799300]  __wake_up_locked+0x11/0x20
[   40.803589]  ep_insert+0x15d0/0x1b10
[   40.807286]  ? ep_poll+0x1190/0x1190
[   40.810972]  ? lock_release+0xda0/0xda0
[   40.814916]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   40.820765]  ? lock_downgrade+0x980/0x980
[   40.824885]  ? rcu_note_context_switch+0x710/0x710
[   40.829786]  ? __might_sleep+0x95/0x190
[   40.834600]  ? SyS_epoll_ctl+0x8a3/0x1ab0
[   40.838718]  ? __mutex_lock+0x16f/0x1a80
[   40.842744]  ? SyS_epoll_ctl+0x8a3/0x1ab0
[   40.846860]  ? lock_downgrade+0x980/0x980
[   40.850973]  ? SyS_epoll_ctl+0x8a3/0x1ab0
[   40.855096]  ? lock_release+0xda0/0xda0
[   40.859039]  ? __lock_is_held+0xbc/0x140
[   40.863083]  ? __fget+0x362/0x580
[   40.866511]  ? iterate_fd+0x3f0/0x3f0
[   40.870281]  ? find_held_lock+0x39/0x1d0
[   40.874321]  ? lock_downgrade+0x980/0x980
[   40.878437]  ? __might_fault+0xe0/0x1d0
[   40.882385]  ? __fget_light+0x29d/0x390
[   40.886330]  ? fget_raw+0x20/0x20
[   40.889758]  ? is_bpf_text_address+0xa4/0x120
[   40.894223]  ? kernel_text_address+0x102/0x140
[   40.898776]  ? __might_sleep+0x95/0x190
[   40.902718]  ? ep_unregister_pollwait.isra.7+0x590/0x590
[   40.908147]  SyS_epoll_ctl+0x12e4/0x1ab0
[   40.912175]  ? SyS_epoll_ctl+0x12e4/0x1ab0
[   40.916378]  ? save_stack+0xa3/0xd0
[   40.920214]  ? SyS_epoll_create+0x240/0x240
[   40.924511]  ? __lock_is_held+0xbc/0x140
[   40.928554]  ? __fd_install+0x288/0x740
[   40.932497]  ? get_unused_fd_flags+0x190/0x190
[   40.937049]  ? may_open_dev+0xe0/0xe0
[   40.940825]  ? rcu_pm_notify+0xc0/0xc0
[   40.944685]  ? putname+0xee/0x130
[   40.948108]  ? putname+0xee/0x130
[   40.951528]  ? rcu_read_lock_sched_held+0x108/0x120
[   40.956513]  ? kmem_cache_free+0x249/0x280
[   40.960721]  ? putname+0xf3/0x130
[   40.964146]  ? do_sys_open+0x320/0x6d0
[   40.968013]  ? entry_SYSCALL_64_fastpath+0x5/0x96
[   40.972829]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   40.977820]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   40.983708]  entry_SYSCALL_64_fastpath+0x1f/0x96
[   40.990260] RIP: 0033:0x45f7d8
[   40.994113] RSP: 002b:000000c4202f74b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9
[   41.001793] RAX: ffffffffffffffda RBX: 000000c42011ed20 RCX: 000000000045f7d8
[   41.009030] RDX: 0000000000000003 RSI: 0000000000000001 RDI: 0000000000000004
[   41.016268] RBP: 000000c4202f7778 R08: 0000000000000000 R09: 0000000000000000
[   41.023505] R10: 000000c4202f74e4 R11: 0000000000000246 R12: 000000c420371ee0
[   41.030743] R13: 0000000000000100 R14: ffffffffffffffff R15: 0000000000000100
[   41.038243] Dumping ftrace buffer:
[   41.041851]    (ftrace buffer empty)
[   41.045532] Kernel Offset: disabled
[   41.049132] Rebooting in 86400 seconds..