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-386-4,10.128.0.59' (ECDSA) to the list of known hosts.
2017/12/03 05:21:14 parsed 1 programs
2017/12/03 05:21:14 executed programs: 0
syzkaller login: [   18.419925] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu
2017/12/03 05:21:19 executed programs: 254
2017/12/03 05:21:24 executed programs: 512
[   32.396128] WARNING: CPU: 0 PID: 7046 at arch/x86/kvm/x86.c:7307 kvm_arch_vcpu_ioctl_run+0x1cc/0x5c60
[   32.405511] Kernel panic - not syncing: panic_on_warn set ...
[   32.405511] 
[   32.414623] CPU: 0 PID: 7046 Comm: syz-executor6 Not tainted 4.15.0-rc1+ #115
[   32.421883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   32.431225] Call Trace:
[   32.433806]  dump_stack+0x194/0x257
[   32.437429]  ? arch_local_irq_restore+0x53/0x53
[   32.442094]  ? vsnprintf+0x1ed/0x1900
[   32.445890]  panic+0x1e4/0x41c
[   32.449068]  ? refcount_error_report+0x214/0x214
[   32.453810]  ? show_regs_print_info+0x65/0x65
[   32.458305]  ? __warn+0x1c1/0x200
[   32.461751]  ? kvm_arch_vcpu_ioctl_run+0x1cc/0x5c60
[   32.466750]  __warn+0x1dc/0x200
[   32.470021]  ? kvm_arch_vcpu_ioctl_run+0x1cc/0x5c60
[   32.475036]  report_bug+0x211/0x2d0
[   32.478666]  fixup_bug.part.11+0x37/0x80
[   32.482721]  do_error_trap+0x2d7/0x3e0
[   32.486606]  ? math_error+0x400/0x400
[   32.490397]  ? fpu__initialize+0xed/0x650
[   32.494541]  ? fpu__save+0x6a0/0x6a0
[   32.498253]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   32.503092]  do_invalid_op+0x1b/0x20
[   32.506801]  invalid_op+0x18/0x20
[   32.510240] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1cc/0x5c60
[   32.515844] RSP: 0000:ffff8801d1b2f580 EFLAGS: 00010293
[   32.521192] RAX: ffff8801c85d6300 RBX: ffff8801d369f000 RCX: ffffffff810de6cc
[   32.528445] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c81a0f38
[   32.535697] RBP: ffff8801d1b2f910 R08: 0000000000000001 R09: 0000000000000001
[   32.542951] R10: ffff8801d1b2f930 R11: 0000000000000001 R12: 0000000000000000
[   32.550205] R13: 1ffff1003a365f4d R14: ffff8801d2e2fa00 R15: ffff8801c81a0d00
[   32.557480]  ? kvm_arch_vcpu_ioctl_run+0x1cc/0x5c60
[   32.562502]  ? wait_for_completion+0x119/0x7b0
[   32.567085]  ? __lockdep_init_map+0xe4/0x650
[   32.571495]  ? kvm_arch_vcpu_runnable+0x560/0x560
[   32.576326]  ? __init_waitqueue_head+0x97/0x140
[   32.580985]  ? wake_up_q+0xe0/0xe0
[   32.584512]  ? __lockdep_init_map+0xe4/0x650
[   32.588925]  ? __wait_rcu_gp+0x25d/0x420
[   32.592970]  ? rcu_gp_is_normal+0x140/0x140
[   32.597297]  ? synchronize_sched.part.67+0xbd/0x110
[   32.602322]  ? synchronize_sched_expedited+0xf0/0xf0
[   32.607420]  ? call_rcu_bh+0x20/0x20
[   32.611122]  ? __lock_is_held+0xbc/0x140
[   32.615170]  ? lock_release+0xda0/0xda0
[   32.619141]  ? trace_raw_output_rcu_utilization+0xb0/0xb0
[   32.624694]  ? put_pid+0x183/0x1f0
[   32.628232]  ? task_active_pid_ns+0xd0/0xd0
[   32.632547]  ? __might_sleep+0x95/0x190
[   32.636520]  kvm_vcpu_ioctl+0x64c/0x1010
[   32.640590]  ? kvm_vcpu_ioctl+0x64c/0x1010
[   32.644822]  ? __kvm_gfn_to_hva_cache_init+0xbb0/0xbb0
[   32.650089]  ? lock_downgrade+0x980/0x980
[   32.654231]  ? __fget+0xbb/0x580
[   32.657592]  ? do_raw_spin_trylock+0x190/0x190
[   32.662173]  ? lock_release+0xda0/0xda0
[   32.666145]  ? __lock_is_held+0xbc/0x140
[   32.670222]  ? __fget+0x362/0x580
[   32.673680]  ? iterate_fd+0x3f0/0x3f0
[   32.677504]  ? lock_downgrade+0x980/0x980
[   32.681652]  ? debug_lockdep_rcu_enabled+0x77/0x90
[   32.686573]  ? selinux_file_ioctl+0x444/0x690
[   32.691056]  ? __fget_light+0x29d/0x390
[   32.695028]  kvm_vcpu_compat_ioctl+0x364/0x450
[   32.699596]  ? down_read_trylock+0xdb/0x170
[   32.703905]  ? __do_page_fault+0x32d/0xc90
[   32.708135]  ? kvm_vcpu_ioctl+0x1010/0x1010
[   32.712458]  ? security_file_ioctl+0x7d/0xb0
[   32.716852]  ? security_file_ioctl+0x89/0xb0
[   32.721255]  compat_SyS_ioctl+0x151/0x2a30
[   32.725482]  ? do_fast_syscall_32+0x156/0xf9d
[   32.729966]  ? kvm_vcpu_ioctl+0x1010/0x1010
[   32.734280]  ? do_ioctl+0x60/0x60
[   32.737728]  do_fast_syscall_32+0x3ee/0xf9d
[   32.742055]  ? do_int80_syscall_32+0x9d0/0x9d0
[   32.74663