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 14:31:31 fuzzer started
2017/12/04 14:31:31 dialing manager at 10.128.0.26:36183
syzkaller login: [   34.026929] WARNING: CPU: 1 PID: 3082 at kernel/sched/wait.c:79 __wake_up_common+0x433/0x770
[   34.028222] Kernel panic - not syncing: panic_on_warn set ...
[   34.028222] 
[   34.029189] CPU: 1 PID: 3082 Comm: syz-fuzzer Not tainted 4.15.0-rc1-mm1+ #35
[   34.030153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   34.031391] Call Trace:
[   34.031755]  dump_stack+0x194/0x257
[   34.032262]  ? arch_local_irq_restore+0x53/0x53
[   34.032899]  ? vsnprintf+0x1ed/0x1900
[   34.033439]  panic+0x1e4/0x41c
[   34.033875]  ? refcount_error_report+0x214/0x214
[   34.034510]  ? show_regs_print_info+0x65/0x65
[   34.035118]  ? __warn+0x1c1/0x200
[   34.035590]  ? __wake_up_common+0x433/0x770
[   34.036169]  __warn+0x1dc/0x200
[   34.036616]  ? __wake_up_common+0x433/0x770
[   34.037200]  report_bug+0x211/0x2d0
[   34.037698]  fixup_bug.part.11+0x37/0x80
[   34.038257]  do_error_trap+0x2d7/0x3e0
[   34.038796]  ? math_error+0x400/0x400
[   34.039339]  ? check_noncircular+0x20/0x20
[   34.039910]  ? find_held_lock+0x39/0x1d0
[   34.040460]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   34.041132]  do_invalid_op+0x1b/0x20
[   34.041634]  invalid_op+0x22/0x40
[   34.042121] RIP: 0010:__wake_up_common+0x433/0x770
[   34.042805] RSP: 0018:ffff8801cc2d74b0 EFLAGS: 00010046
[   34.043539] RAX: 0000000000000000 RBX: ffff8801ce38e150 RCX: 0000000000000004
[   34.044492] RDX: 1ffffffff0bd9741 RSI: ffff8801ce38e168 RDI: 0000000000000082
[   34.045459] RBP: ffff8801cc2d75b0 R08: 0000000000000000 R09: 0000000000000000
[   34.046411] R10: 0000000000000000 R11: ffffffff8748cda0 R12: 0000000000000000
[   34.047377] R13: ffff8801ce38e190 R14: 0000000000000001 R15: ffff8801ce38e1f0
[   34.054630]  ? __lock_is_held+0xbc/0x140
[   34.058659]  ? lock_release+0xda0/0xda0
[   34.062601]  ? do_wait_intr+0x3e0/0x3e0
[   34.066548]  ? __lock_is_held+0xbc/0x140
[   34.070587]  __wake_up_locked+0x11/0x20
[   34.074529]  ep_insert+0x15d0/0x1b10
[   34.078223]  ? ep_poll+0x1190/0x1190
[   34.081907]  ? lock_release+0xda0/0xda0
[   34.085882]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   34.091731]  ? lock_downgrade+0x980/0x980
[   34.095854]  ? rcu_note_context_switch+0x710/0x710
[   34.100753]  ? __might_sleep+0x95/0x190
[   34.104695]  ? SyS_epoll_ctl+0x8a3/0x1ab0
[   34.108811]  ? __mutex_lock+0x16f/0x1a80
[   34.112838]  ? SyS_epoll_ctl+0x8a3/0x1ab0
[   34.116963]  ? lock_downgrade+0x980/0x980
[   34.121077]  ? SyS_epoll_ctl+0x8a3/0x1ab0
[   34.125201]  ? lock_release+0xda0/0xda0
[   34.129147]  ? __lock_is_held+0xbc/0x140
[   34.133189]  ? __fget+0x362/0x580
[   34.136617]  ? iterate_fd+0x3f0/0x3f0
[   34.140388]  ? find_held_lock+0x39/0x1d0
[   34.144425]  ? lock_downgrade+0x980/0x980
[   34.148541]  ? __might_fault+0xe0/0x1d0
[   34.152487]  ? __fget_light+0x29d/0x390
[   34.156430]  ? fget_raw+0x20/0x20
[   34.159851]  ? is_bpf_text_address+0xa4/0x120
[   34.164313]  ? kernel_text_address+0x102/0x140
[   34.168865]  ? __might_sleep+0x95/0x190
[   34.172806]  ? ep_unregister_pollwait.isra.7+0x590/0x590
[   34.178230]  SyS_epoll_ctl+0x12e4/0x1ab0
[   34.182257]  ? SyS_epoll_ctl+0x12e4/0x1ab0
[   34.186468]  ? save_stack+0xa3/0xd0
[   34.190071]  ? SyS_epoll_create+0x240/0x240
[   34.194358]  ? __lock_is_held+0xbc/0x140
[   34.198398]  ? retint_kernel+0x10/0x10
[   34.202253]  ? putname+0xee/0x130
[   34.205672]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   34.210668]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   34.215403]  ? rcu_pm_notify+0xc0/0xc0
[   34.219262]  ? putname+0xee/0x130
[   34.222682]  ? putname+0xee/0x130
[   34.226103]  ? rcu_read_lock_sched_held+0x108/0x120
[   34.231088]  ? kmem_cache_free+0x249/0x280
[   34.235290]  ? putname+0xf3/0x130
[   34.238711]  ? do_sys_open+0x320/0x6d0
[   34.242575]  ? entry_SYSCALL_64_fastpath+0x5/0x96
[   34.247386]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   34.252370]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   34.257097]  entry_SYSCALL_64_fastpath+0x1f/0x96
[   34.261820] RIP: 0033:0x45f7d8
[   34.264979] RSP: 002b:000000c4202c94b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9
[   34.272663] RAX: ffffffffffffffda RBX: 0000000000000045 RCX: 000000000045f7d8
[   34.279897] RDX: 0000000000000003 RSI: 0000000000000001 RDI: 0000000000000004
[   34.287132] RBP: 000000c4202c9720 R08: 0000000000000000 R09: 0000000000000000
[   34.294368] R10: 000000c4202c94e4 R11: 0000000000000246 R12: 000000c421a019b9
[   34.301605] R13: 00000000000000f5 R14: 0000000000000011 R15: 0000000000000018
[   34.309046] Dumping ftrace buffer:
[   34.312622]    (ftrace buffer empty)
[   34.316301] Kernel Offset: disabled
[   34.319897] Rebooting in 86400 seconds..