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-kasan-gce-0,10.128.15.200' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   22.944120] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu
[   22.977073] ------------[ cut here ]------------
[   22.981945] WARNING: CPU: 0 PID: 2931 at arch/x86/kvm/x86.c:7226 kvm_arch_vcpu_ioctl_run+0x213/0x5870
[   22.991711] Kernel panic - not syncing: panic_on_warn set ...
[   22.991711] 
[   22.999057] CPU: 0 PID: 2931 Comm: syzkaller244790 Not tainted 4.13.0-rc4+ #30
[   23.006412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   23.015735] Call Trace:
[   23.018299]  dump_stack+0x194/0x257
[   23.021900]  ? arch_local_irq_restore+0x53/0x53
[   23.026552]  panic+0x1e4/0x417
[   23.029715]  ? __warn+0x1d9/0x1d9
[   23.033146]  ? show_regs_print_info+0x65/0x65
[   23.037623]  ? kvm_arch_vcpu_ioctl_run+0x213/0x5870
[   23.042606]  __warn+0x1c4/0x1d9
[   23.045855]  ? kvm_arch_vcpu_ioctl_run+0x213/0x5870
[   23.050841]  report_bug+0x211/0x2d0
[   23.054450]  fixup_bug+0x40/0x90
[   23.057787]  do_trap+0x260/0x390
[   23.061129]  do_error_trap+0x120/0x390
[   23.064990]  ? do_trap+0x390/0x390
[   23.068504]  ? kvm_arch_vcpu_ioctl_run+0x213/0x5870
[   23.073934]  ? fpu__activate_curr+0xed/0x650
[   23.078313]  ? fpstate_init+0x160/0x160
[   23.082262]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   23.087090]  do_invalid_op+0x1b/0x20
[   23.090774]  invalid_op+0x1e/0x30
[   23.094196] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x213/0x5870
[   23.099785] RSP: 0018:ffff8801d3847670 EFLAGS: 00010297
[   23.105116] RAX: ffff8801d380c0c0 RBX: ffff8801d03aa000 RCX: ffff8801d3c3045c
[   23.112355] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d3c30260
[   23.119592] RBP: ffff8801d3847a40 R08: 0000000000000001 R09: 0000000000000000
[   23.126831] R10: ffff8801d3847a58 R11: 0000000000000000 R12: 0000000000000001
[   23.134068] R13: 0000000000000000 R14: ffff8801d4330300 R15: ffff8801d3c30040
[   23.141325]  ? unwind_get_return_address+0x61/0xa0
[   23.146232]  ? __save_stack_trace+0x7e/0xd0
[   23.150525]  ? depot_save_stack+0x12c/0x490
[   23.154815]  ? print_usage_bug+0x480/0x480
[   23.159015]  ? put_pid+0x177/0x1f0
[   23.162523]  ? save_stack+0xa3/0xd0
[   23.166120]  ? kvm_arch_vcpu_runnable+0x520/0x520
[   23.170930]  ? save_stack_trace+0x16/0x20
[   23.175044]  ? save_stack+0x43/0xd0
[   23.178636]  ? kasan_slab_free+0x6e/0xc0
[   23.182663]  ? kmem_cache_free+0x71/0x240
[   23.186778]  ? put_pid+0x177/0x1f0
[   23.190287]  ? kvm_vcpu_ioctl+0xd75/0x1010
[   23.194494]  ? do_vfs_ioctl+0x1b1/0x1520
[   23.198528]  ? SyS_ioctl+0x8f/0xc0
[   23.202034]  ? entry_SYSCALL_64_fastpath+0x1f/0xbe
[   23.206935]  ? wait_for_completion_interruptible+0x7d0/0x7d0
[   23.212714]  ? lockdep_init_map+0xe4/0x650
[   23.216919]  ? check_noncircular+0x20/0x20
[   23.221123]  ? __init_waitqueue_head+0x97/0x140
[   23.225761]  ? wake_up_q+0xe0/0xe0
[   23.229284]  ? __lock_is_held+0xb6/0x140
[   23.233340]  ? put_pid+0x177/0x1f0
[   23.236853]  ? put_pid+0x177/0x1f0
[   23.240364]  ? rcu_read_lock_sched_held+0x108/0x120
[   23.245349]  ? put_pid_ns+0xe9/0x120
[   23.249035]  ? put_pid+0x184/0x1f0
[   23.252542]  ? task_active_pid_ns+0xd0/0xd0
[   23.256833]  ? __might_sleep+0x95/0x190
[   23.260783]  kvm_vcpu_ioctl+0x64c/0x1010
[   23.264810]  ? kvm_vcpu_ioctl+0x64c/0x1010
[   23.269015]  ? __kvm_gfn_to_hva_cache_init+0xb80/0xb80
[   23.274269]  ? find_held_lock+0x35/0x1d0
[   23.278317]  ? __fget+0x333/0x570
[   23.281747]  ? lock_downgrade+0x990/0x990
[   23.285866]  ? lock_release+0xa40/0xa40
[   23.289810]  ? __lock_is_held+0xb6/0x140
[   23.293849]  ? __fget+0x35c/0x570
[   23.297277]  ? iterate_fd+0x3f0/0x3f0
[   23.301053]  ? finish_task_switch+0x1d3/0x740
[   23.305518]  ? __kvm_gfn_to_hva_cache_init+0xb80/0xb80
[   23.310761]  do_vfs_ioctl+0x1b1/0x1520
[   23.314616]  ? do_raw_spin_trylock+0x190/0x190
[   23.319167]  ? ioctl_preallocate+0x2b0/0x2b0
[   23.323546]  ? selinux_capable+0x40/0x40
[   23.327573]  ? lock_acquire+0x290/0x580
[   23.331520]  ? syscall_return_slowpath+0x22f/0x450
[   23.336424]  ? security_file_ioctl+0x7d/0xb0
[   23.340797]  ? security_file_ioctl+0x89/0xb0
[   23.345177]  SyS_ioctl+0x8f/0xc0
[   23.348517]  entry_SYSCALL_64_fastpath+0x1f/0xbe
[   23.353239] RIP: 0033:0x445ed9
[   23.356416] RSP: 002b:00007f6113cc6d08 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[   23.364093] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000445ed9
[   23.371332] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005
[   23.378568] RBP: 0000000000000086 R08: 00007f6113cc7700 R09: 00007f6113cc7700
[   23.385808] R10: 00007f6113cc7700 R11: 0000000000000202 R12: 0000000000000000
[   23.393046] R13: 00007ffdc03098ff R14: 00007f6113cc79c0 R15: 0000000000000000
[   23.400915] Dumping ftrace buffer:
[   23.404489]    (ftrace buffer empty)
[   23.408170] Kernel Offset: disabled
[   23.411769] Rebooting in 86400 seconds..