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-9,10.128.0.30' (ECDSA) to the list of known hosts.
2017/09/18 04:55:50 parsed 1 programs
2017/09/18 04:55:50 executed programs: 0
syzkaller login: [   22.348670] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu
[   22.434395] ------------[ cut here ]------------
[   22.441390] kernel BUG at arch/x86/kvm/x86.c:7182!
[   22.484159] invalid opcode: 0000 [#1] SMP KASAN
[   22.488847] Dumping ftrace buffer:
[   22.492370]    (ftrace buffer empty)
[   22.496065] Modules linked in:
[   22.499257] CPU: 0 PID: 3002 Comm: syz-executor0 Not tainted 4.14.0-rc1+ #89
[   22.506424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   22.515764] task: ffff8801ceb662c0 task.stack: ffff8801ceb08000
[   22.521812] RIP: 0010:complete_emulated_mmio+0x5c2/0x6f0
[   22.527240] RSP: 0018:ffff8801ceb0f620 EFLAGS: 00010297
[   22.532588] RAX: ffff8801ceb662c0 RBX: ffff8801bfd48080 RCX: 0000000000000000
[   22.539840] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801bfd482b8
[   22.547095] RBP: ffff8801ceb0f660 R08: 0000000000000000 R09: ffff8801ceb0ef70
[   22.554345] R10: ffff8801ceb0fa58 R11: 1ffff10039d6ceeb R12: ffffffff810d57b0
[   22.561598] R13: ffff8801d0e6d000 R14: ffff8801d2d73900 R15: ffff8801bfd48080
[   22.568864] FS:  00007f47ba461700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
[   22.577068] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.583005] CR2: 0000000000000000 CR3: 00000001ceaa0000 CR4: 00000000001426f0
[   22.590243] Call Trace:
[   22.592800]  ? __lock_acquire+0x732/0x4620
[   22.597006]  ? refill_pi_state_cache.part.6+0x2f0/0x2f0
[   22.602338]  ? x86_emulate_instruction+0x1ca0/0x1ca0
[   22.607409]  kvm_arch_vcpu_ioctl_run+0x2df5/0x5b90
[   22.612304]  ? find_held_lock+0x39/0x1d0
[   22.616335]  ? mutex_lock_io_nested+0x1740/0x1740
[   22.621151]  ? debug_check_no_locks_freed+0x3d0/0x3d0
[   22.626318]  ? kvm_arch_vcpu_runnable+0x560/0x560
[   22.631127]  ? wait_for_completion+0x770/0x770
[   22.635676]  ? drop_futex_key_refs.isra.13+0x63/0xb0
[   22.640744]  ? futex_wait+0x6cf/0xa00
[   22.644515]  ? kvm_arch_has_assigned_device+0x57/0xe0
[   22.649669]  ? kvm_arch_end_assignment+0x20/0x20
[   22.654393]  ? futex_wait_setup+0x3d0/0x3d0
[   22.658683]  ? vmx_vcpu_load+0x63f/0xa30
[   22.662711]  ? drop_futex_key_refs.isra.13+0x63/0xb0
[   22.667791]  ? handle_invept+0x5f0/0x5f0
[   22.671820]  ? get_futex_key+0x1d50/0x1d50
[   22.676022]  ? kvm_set_memory_region+0x50/0x50
[   22.680571]  ? kvm_arch_vcpu_load+0x4b1/0x890
[   22.685033]  ? check_noncircular+0x20/0x20
[   22.689234]  ? kvm_arch_dev_ioctl+0x3b0/0x3b0
[   22.693696]  ? task_rq_unlock+0x90/0x90
[   22.697646]  kvm_vcpu_ioctl+0x64c/0x1010
[   22.701674]  ? kvm_vcpu_ioctl+0x64c/0x1010
[   22.705879]  ? __kvm_gfn_to_hva_cache_init+0xbb0/0xbb0
[   22.711141]  ? lock_downgrade+0x990/0x990
[   22.715255]  ? exit_robust_list+0x240/0x240
[   22.719545]  ? __fget+0xbb/0x580
[   22.722882]  ? lock_release+0xd70/0xd70
[   22.726824]  ? __lock_is_held+0xbc/0x140
[   22.730862]  ? __fget+0x362/0x580
[   22.734288]  ? iterate_fd+0x3f0/0x3f0
[   22.738054]  ? do_filp_open+0x27d/0x3b0
[   22.741996]  ? get_unused_fd_flags+0x190/0x190
[   22.746550]  ? __kvm_gfn_to_hva_cache_init+0xbb0/0xbb0
[   22.751794]  do_vfs_ioctl+0x1b1/0x1530
[   22.755648]  ? putname+0xee/0x130
[   22.759071]  ? ioctl_preallocate+0x2b0/0x2b0
[   22.763447]  ? selinux_capable+0x40/0x40
[   22.767476]  ? SyS_futex+0x260/0x390
[   22.771157]  ? SyS_futex+0x269/0x390
[   22.774844]  ? security_file_ioctl+0x7d/0xb0
[   22.779217]  ? security_file_ioctl+0x89/0xb0
[   22.783594]  SyS_ioctl+0x8f/0xc0
[   22.786930]  entry_SYSCALL_64_fastpath+0x1f/0xbe
[   22.791663] RIP: 0033:0x451e59
[   22.794820] RSP: 002b:00007f47ba460c08 EFLAGS: 00000216 ORIG_RAX: 0000000000000010
[   22.802496] RAX: ffffffffffffffda RBX: 0000000000718000 RCX: 0000000000451e59
[   22.809734] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005
[   22.816970] RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000
[   22.824206] R10: 0000000000000000 R11: 0000000000000216 R12: 00000000004b7d9c
[   22.831443] R13: 00000000ffffffff R14: 0000000020000000 R15: 0000000000fe5000
[   22.838688] Code: 01 00 00 00 48 89 df e8 ad b2 47 00 44 89 e6 4c 89 f7 45 31 e4 e8 cf 55 4d 00 45 85 ed 41 0f 94 c4 e9 5f fc ff ff e8 ae 7a 60 00 <0f> 0b e8 a7 2c 95 00 e9 9c fa ff ff 89 45 c8 e8 9a 2c 95 00 8b 
[   22.857778] RIP: complete_emulated_mmio+0x5c2/0x6f0 RSP: ffff8801ceb0f620
[   22.864788] ---[ end trace 906e7d1156cad69b ]---
[   22.916181] Kernel panic - not syncing: Fatal exception
[   22.921908] Dumping ftrace buffer:
[   22.925417]    (ftrace buffer empty)
[   22.929093] Kernel Offset: disabled
[   22.932687] Rebooting in 86400 seconds..