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-test-0,10.128.15.224' (ECDSA) to the list of known hosts.
2017/12/06 02:53:14 fuzzer started
2017/12/06 02:53:14 connecting to host at 10.128.0.26:33717
2017/12/06 02:53:14 checking config...
2017/12/06 02:53:15 enabled syscalls: 1411
2017/12/06 02:53:15 testing simple program...
syzkaller login: [   27.993153] WARNING: CPU: 1 PID: 3085 at kernel/sched/wait.c:79 __wake_up_common+0x433/0x770
[   27.994440] Kernel panic - not syncing: panic_on_warn set ...
[   27.994440] 
[   27.995420] CPU: 1 PID: 3085 Comm: syz-fuzzer Not tainted 4.15.0-rc2-mm1+ #36
[   27.996372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   27.997589] Call Trace:
[   27.997962]  dump_stack+0x194/0x257
[   27.998453]  ? arch_local_irq_restore+0x53/0x53
[   27.999079]  ? vsnprintf+0x1ed/0x1900
[   27.999594]  panic+0x1e4/0x41c
[   28.000037]  ? refcount_error_report+0x214/0x214
[   28.000668]  ? show_regs_print_info+0x18/0x18
[   28.001274]  ? __warn+0x1c1/0x200
[   28.001746]  ? __wake_up_common+0x433/0x770
[   28.002340]  __warn+0x1dc/0x200
[   28.002786]  ? __wake_up_common+0x433/0x770
[   28.003366]  report_bug+0x211/0x2d0
[   28.003878]  fixup_bug.part.11+0x37/0x80
[   28.004423]  do_error_trap+0x2d7/0x3e0
[   28.004949]  ? math_error+0x400/0x400
[   28.005459]  ? check_noncircular+0x20/0x20
[   28.006061]  ? mark_held_locks+0xb2/0x100
[   28.006617]  ? _raw_spin_unlock_irqrestore+0x31/0xba
[   28.007299]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   28.007949]  do_invalid_op+0x1b/0x20
[   28.008448]  invalid_op+0x22/0x40
[   28.008927] RIP: 0010:__wake_up_common+0x433/0x770
[   28.009578] RSP: 0018:ffff8801cc6f74b0 EFLAGS: 00010046
[   28.010287] RAX: 0000000000000000 RBX: ffff8801cce48190 RCX: 0000000000000004
[   28.011237] RDX: 1ffffffff0bd9719 RSI: ffff8801cce481a8 RDI: 0000000000000082
[   28.012188] RBP: ffff8801cc6f75b0 R08: 0000000000000000 R09: 0000000000000000
[   28.013159] R10: 0000000000000000 R11: ffffffff87488d60 R12: 0000000000000000
[   28.019656] R13: ffff8801cce481d0 R14: 0000000000000001 R15: ffff8801cce48230
[   28.026919]  ? lock_release+0xda0/0xda0
[   28.030860]  ? do_wait_intr+0x3e0/0x3e0
[   28.034807]  ? __lock_is_held+0xbc/0x140
[   28.038842]  __wake_up_locked+0x11/0x20
[   28.042782]  ep_insert+0x15a5/0x1ac0
[   28.046475]  ? ep_poll+0x1190/0x1190
[   28.050159]  ? lock_release+0xda0/0xda0
[   28.054099]  ? trace_event_raw_event_sched_switch+0x800/0x800
[   28.059953]  ? rcu_note_context_switch+0x710/0x710
[   28.064854]  ? __might_sleep+0x95/0x190
[   28.068797]  ? SyS_epoll_ctl+0x8a3/0x1a80
[   28.072912]  ? __mutex_lock+0x16f/0x1a80
[   28.076936]  ? SyS_epoll_ctl+0x8a3/0x1a80
[   28.081052]  ? lock_downgrade+0x980/0x980
[   28.085165]  ? SyS_epoll_ctl+0x8a3/0x1a80
[   28.089287]  ? lock_release+0xda0/0xda0
[   28.093232]  ? __lock_is_held+0xbc/0x140
[   28.097284]  ? __fget+0x362/0x580
[   28.100702]  ? debug_check_no_locks_freed+0x3d0/0x3d0
[   28.105863]  ? iterate_fd+0x3f0/0x3f0
[   28.109630]  ? find_held_lock+0x39/0x1d0
[   28.113669]  ? lock_downgrade+0x980/0x980
[   28.117787]  ? __might_fault+0xe0/0x1d0
[   28.121734]  ? __fget_light+0x29d/0x390
[   28.125678]  ? fget_raw+0x20/0x20
[   28.129104]  ? find_held_lock+0x39/0x1d0
[   28.133134]  ? __might_sleep+0x95/0x190
[   28.137075]  ? ep_unregister_pollwait.isra.7+0x590/0x590
[   28.142501]  SyS_epoll_ctl+0x12bf/0x1a80
[   28.146527]  ? SyS_epoll_ctl+0x12bf/0x1a80
[   28.150739]  ? SyS_epoll_create+0x240/0x240
[   28.155034]  ? lock_downgrade+0x980/0x980
[   28.159149]  ? do_fcntl+0xae4/0x1160
[   28.162835]  ? lock_release+0xda0/0xda0
[   28.166775]  ? iterate_fd+0x3f0/0x3f0
[   28.170539]  ? __fd_install+0x288/0x740
[   28.174482]  ? do_raw_spin_trylock+0x190/0x190
[   28.179037]  ? lock_release+0xda0/0xda0
[   28.182986]  ? _raw_spin_unlock+0x22/0x30
[   28.187101]  ? do_fcntl+0x10d/0x1160
[   28.190786]  ? f_getown+0xb0/0xb0
[   28.194212]  ? bpf_fd_pass+0x280/0x280
[   28.198077]  ? fd_install+0x4d/0x60
[   28.201679]  ? selinux_file_fcntl+0xf2/0x150
[   28.206061]  ? entry_SYSCALL_64_fastpath+0x5/0x96
[   28.210875]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   28.215863]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   28.220594]  entry_SYSCALL_64_fastpath+0x1f/0x96
[   28.225316] RIP: 0033:0x45f7d8
[   28.228476] RSP: 002b:000000c42017b300 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9
[   28.236158] RAX: ffffffffffffffda RBX: 000000c42008c0a0 RCX: 000000000045f7d8
[   28.243393] RDX: 0000000000000007 RSI: 0000000000000001 RDI: 0000000000000004
[   28.250630] RBP: 000000c42017b6b8 R08: 0000000000000000 R09: 0000000000000000
[   28.257868] R10: 000000c42017b32c R11: 0000000000000246 R12: 0000000000000000
[   28.265104] R13: 00000000000000f2 R14: 0000000000000032 R15: 000000000000000f
[   28.272949] Dumping ftrace buffer:
[   28.276552]    (ftrace buffer empty)
[   28.280230] Kernel Offset: disabled
[   28.283828] Rebooting in 86400 seconds..