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-9,10.128.15.209' (ECDSA) to the list of known hosts.
2017/12/04 14:32:08 fuzzer started
2017/12/04 14:32:08 dialing manager at 10.128.0.26:36183
syzkaller login: [   34.375648] WARNING: CPU: 0 PID: 3089 at kernel/sched/wait.c:79 __wake_up_common+0x433/0x770
[   34.376927] Kernel panic - not syncing: panic_on_warn set ...
[   34.376927] 
[   34.377896] CPU: 0 PID: 3089 Comm: syz-fuzzer Not tainted 4.15.0-rc1-mm1+ #35
[   34.378881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   34.380133] Call Trace:
[   34.380491]  dump_stack+0x194/0x257
[   34.380995]  ? arch_local_irq_restore+0x53/0x53
[   34.381632]  ? vsnprintf+0x1ed/0x1900
[   34.382148]  panic+0x1e4/0x41c
[   34.382581]  ? refcount_error_report+0x214/0x214
[   34.383288]  ? show_regs_print_info+0x65/0x65
[   34.383907]  ? __warn+0x1c1/0x200
[   34.384376]  ? __wake_up_common+0x433/0x770
[   34.384951]  __warn+0x1dc/0x200
[   34.385397]  ? __wake_up_common+0x433/0x770
[   34.385977]  report_bug+0x211/0x2d0
[   34.386474]  fixup_bug.part.11+0x37/0x80
[   34.387019]  do_error_trap+0x2d7/0x3e0
[   34.387545]  ? math_error+0x400/0x400
[   34.388057]  ? check_noncircular+0x20/0x20
[   34.388645]  ? find_held_lock+0x39/0x1d0
[   34.389197]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   34.389876]  do_invalid_op+0x1b/0x20
[   34.390378]  invalid_op+0x22/0x40
[   34.390846] RIP: 0010:__wake_up_common+0x433/0x770
[   34.391499] RSP: 0018:ffff8801cd4374b0 EFLAGS: 00010046
[   34.392221] RAX: 0000000000000000 RBX: ffff8801ccdfbd90 RCX: 0000000000000004
[   34.393173] RDX: 1ffffffff0bd9741 RSI: ffff8801ccdfbda8 RDI: 0000000000000082
[   34.394129] RBP: ffff8801cd4375b0 R08: 0000000000000000 R09: 0000000000000000
[   34.395083] R10: 0000000000000000 R11: ffffffff8748cda0 R12: 0000000000000000
[   34.396065] R13: ffff8801ccdfbdd0 R14: 0000000000000001 R15: ffff8801ccdfbe30
[   34.403321]  ? __lock_is_held+0xbc/0x140
[   34.407351]  ? lock_release+0xda0/0xda0
[   34.411291]  ? do_wait_intr+0x3e0/0x3e0
[   34.415238]  ? __lock_is_held+0xbc/0x140
[   34.419284]  __wake_up_locked+0x11/0x20
[   34.423226]  ep_insert+0x15d0/0x1b10
[   34.426920]  ? ep_poll+0x1190/0x1190
[   34.430604]  ? lock_release+0xda0/0xda0
[   34.434544]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   34.440392]  ? lock_downgrade+0x980/0x980
[   34.444508]  ? rcu_note_context_switch+0x710/0x710
[   34.449407]  ? __might_sleep+0x95/0x190
[   34.453348]  ? SyS_epoll_ctl+0x8a3/0x1ab0
[   34.457463]  ? __mutex_lock+0x16f/0x1a80
[   34.461488]  ? SyS_epoll_ctl+0x8a3/0x1ab0
[   34.465607]  ? lock_downgrade+0x980/0x980
[   34.469722]  ? SyS_epoll_ctl+0x8a3/0x1ab0
[   34.473844]  ? lock_release+0xda0/0xda0
[   34.477787]  ? __lock_is_held+0xbc/0x140
[   34.481830]  ? __fget+0x362/0x580
[   34.485258]  ? iterate_fd+0x3f0/0x3f0
[   34.489024]  ? find_held_lock+0x39/0x1d0
[   34.493061]  ? lock_downgrade+0x980/0x980
[   34.497178]  ? __might_fault+0xe0/0x1d0
[   34.501126]  ? __fget_light+0x29d/0x390
[   34.505068]  ? fget_raw+0x20/0x20
[   34.508488]  ? is_bpf_text_address+0xa4/0x120
[   34.512950]  ? kernel_text_address+0x102/0x140
[   34.517514]  ? __might_sleep+0x95/0x190
[   34.521458]  ? ep_unregister_pollwait.isra.7+0x590/0x590
[   34.526883]  SyS_epoll_ctl+0x12e4/0x1ab0
[   34.530911]  ? SyS_epoll_ctl+0x12e4/0x1ab0
[   34.535117]  ? save_stack+0xa3/0xd0
[   34.538719]  ? SyS_epoll_create+0x240/0x240
[   34.543009]  ? __lock_is_held+0xbc/0x140
[   34.547050]  ? __fd_install+0x288/0x740
[   34.550993]  ? get_unused_fd_flags+0x190/0x190
[   34.555543]  ? may_open_dev+0xe0/0xe0
[   34.559325]  ? rcu_pm_notify+0xc0/0xc0
[   34.563184]  ? putname+0xee/0x130
[   34.566608]  ? putname+0xee/0x130
[   34.570030]  ? rcu_read_lock_sched_held+0x108/0x120
[   34.575015]  ? kmem_cache_free+0x249/0x280
[   34.579217]  ? putname+0xf3/0x130
[   34.582641]  ? do_sys_open+0x320/0x6d0
[   34.586502]  ? entry_SYSCALL_64_fastpath+0x5/0x96
[   34.591312]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   34.596304]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   34.601043]  entry_SYSCALL_64_fastpath+0x1f/0x96
[   34.605765] RIP: 0033:0x45f7d8
[   34.608920] RSP: 002b:000000c42015d4b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9
[   34.616596] RAX: ffffffffffffffda RBX: 000000c42039bbb8 RCX: 000000000045f7d8
[   34.623834] RDX: 0000000000000003 RSI: 0000000000000001 RDI: 0000000000000004
[   34.631071] RBP: 000000c42015d6f0 R08: 0000000000000000 R09: 0000000000000000
[   34.638307] R10: 000000c42015d4e4 R11: 0000000000000246 R12: 000000c42039bb70
[   34.645543] R13: 000000c42039c6ba R14: 000000000000005c R15: 000000c42017a388
[   34.652982] Dumping ftrace buffer:
[   34.656549]    (ftrace buffer empty)
[   34.660227] Kernel Offset: disabled
[   34.663824] Rebooting in 86400 seconds..