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-2,10.128.0.39' (ECDSA) to the list of known hosts.
executing program
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syzkaller login: [   33.900346] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu
executing program
[   33.932036] *** Guest State ***
[   33.957558] ------------[ cut here ]------------
[   33.957572] WARNING: CPU: 0 PID: 3096 at arch/x86/kvm/x86.c:7265 kvm_arch_vcpu_ioctl_run+0x213/0x5c70
[   33.957575] Kernel panic - not syncing: panic_on_warn set ...
[   33.957575] 
[   33.957580] CPU: 0 PID: 3096 Comm: syzkaller211221 Not tainted 4.14.0-rc7+ #159
[   33.957583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   33.957585] Call Trace:
[   33.957593]  dump_stack+0x194/0x257
[   33.957601]  ? arch_local_irq_restore+0x53/0x53
[   33.957618]  panic+0x1e4/0x417
[   33.957623]  ? __warn+0x1d9/0x1d9
[   33.957628]  ? show_regs_print_info+0x65/0x65
[   33.957646]  ? kvm_arch_vcpu_ioctl_run+0x213/0x5c70
[   33.957650]  __warn+0x1c4/0x1d9
[   33.957655]  ? kvm_arch_vcpu_ioctl_run+0x213/0x5c70
[   33.957662]  report_bug+0x211/0x2d0
[   33.957675]  fixup_bug+0x40/0x90
[   33.957681]  do_trap+0x260/0x390
[   33.957693]  do_error_trap+0x120/0x390
[   33.957698]  ? find_held_lock+0x35/0x1d0
[   33.957706]  ? do_trap+0x390/0x390
[   33.957712]  ? kvm_arch_vcpu_ioctl_run+0x213/0x5c70
[   33.957717]  ? fpu__initialize+0xed/0x650
[   33.957724]  ? fpu__save+0x6a0/0x6a0
[   33.957734]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   33.957744]  do_invalid_op+0x1b/0x20
[   33.957751]  invalid_op+0x18/0x20
[   33.957755] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x213/0x5c70
[   33.957758] RSP: 0018:ffff8801d19a7670 EFLAGS: 00010297
[   33.957763] RAX: ffff8801d05f2480 RBX: ffff8801cf9a5000 RCX: ffff8801d274851c
[   33.957765] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d2748320
[   33.957768] RBP: ffff8801d19a7a40 R08: 0000000000000001 R09: 0000000000000001
[   33.957770] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[   33.957772] R13: 1ffff1003a334f72 R14: ffff8801d4ac5a00 R15: ffff8801d2748100
[   33.957793]  ? unwind_get_return_address+0x61/0xa0
[   33.957798]  ? __save_stack_trace+0x7e/0xd0
[   33.957809]  ? depot_save_stack+0x12c/0x490
[   33.957818]  ? print_irqtrace_events+0x270/0x270
[   33.957821]  ? put_pid+0x177/0x1f0
[   33.957828]  ? save_stack+0xa3/0xd0
[   33.957833]  ? kvm_arch_vcpu_runnable+0x560/0x560
[   33.957837]  ? save_stack_trace+0x16/0x20
[   33.957840]  ? save_stack+0x43/0xd0
[   33.957843]  ? kasan_slab_free+0x71/0xc0
[   33.957847]  ? kmem_cache_free+0x77/0x280
[   33.957850]  ? put_pid+0x177/0x1f0
[   33.957854]  ? kvm_vcpu_ioctl+0xd75/0x1010
[   33.957858]  ? do_vfs_ioctl+0x1b1/0x1520
[   33.957862]  ? SyS_ioctl+0x8f/0xc0
[   33.957866]  ? entry_SYSCALL_64_fastpath+0x1f/0xbe
[   33.957870]  ? wait_for_completion_interruptible+0x7e0/0x7e0
[   33.957880]  ? __lockdep_init_map+0xe4/0x650
[   33.957885]  ? check_noncircular+0x20/0x20
[   33.957891]  ? lockdep_init_map+0x9/0x10
[   33.957897]  ? __init_waitqueue_head+0x97/0x140
[   33.957904]  ? wake_up_q+0xe0/0xe0
[   33.957925]  ? __lock_is_held+0xb6/0x140
[   33.957932]  ? put_pid+0x177/0x1f0
[   33.957940]  ? put_pid+0x177/0x1f0
[   33.957946]  ? rcu_read_lock_sched_held+0x108/0x120
[   33.957952]  ? put_pid_ns+0xe9/0x120
[   33.957959]  ? put_pid+0x184/0x1f0
[   33.957965]  ? task_active_pid_ns+0xd0/0xd0
[   33.957973]  ? __might_sleep+0x95/0x190
[   33.957982]  kvm_vcpu_ioctl+0x64c/0x1010
[   33.957986]  ? kvm_vcpu_ioctl+0x64c/0x1010
[   33.957994]  ? __kvm_gfn_to_hva_cache_init+0xbb0/0xbb0
[   33.958010]  ? find_held_lock+0x35/0x1d0
[   33.958027]  ? __fget+0x333/0x570
[   33.958034]  ? lock_downgrade+0x990/0x990
[   33.958042]  ? lock_release+0xa40/0xa40
[   33.958050]  ? __lock_is_held+0xb6/0x140
[   33.958066]  ? __fget+0x35c/0x570
[   33.958079]  ? iterate_fd+0x3f0/0x3f0
[   33.958087]  ? _raw_spin_unlock_irqrestore+0x31/0xba
[   33.958100]  ? __kvm_gfn_to_hva_cache_init+0xbb0/0xbb0
[   33.958105]  do_vfs_ioctl+0x1b1/0x1520
[   33.958115]  ? ioctl_preallocate+0x2b0/0x2b0
[   33.958124]  ? selinux_capable+0x40/0x40
[   33.958137]  ? syscall_return_slowpath+0x2b3/0x510
[   33.958140]  ? finish_task_switch+0x4cc/0x740
[   33.958154]  ? security_file_ioctl+0x89/0xb0
[   33.958163]  SyS_ioctl+0x8f/0xc0
[   33.958172]  entry_SYSCALL_64_fastpath+0x1f/0xbe
[   33.958175] RIP: 0033:0x448f89
[   33.958178] RSP: 002b:00007f16c2f0ddc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[   33.958182] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000448f89
[   33.958184] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005
[   33.958187] RBP: 0000000000000082 R08: 00007f16c2f0e700 R09: 00007f16c2f0e700
[   33.958189] R10: 00007f16c2f0e700 R11: 0000000000000202 R12: 0000000000000000
[   33.958192] R13: 00007ffd8e5956ff R14: 00007f16c2f0e9c0 R15: 0000000000000000
[   33.958348] Dumping ftrace buffer:
[   33.958378]    (ftrace buffer empty)
[   33.958380] Kernel Offset: disabled
[   34.391234] Rebooting in 86400 seconds..