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-next-kasan-gce-5,10.128.0.59' (ECDSA) to the list of known hosts. 2017/11/04 01:50:52 parsed 1 programs 2017/11/04 01:50:52 executed programs: 0 syzkaller login: [ 40.207883] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 40.346553] ------------[ cut here ]------------ [ 40.364404] WARNING: CPU: 1 PID: 3041 at arch/x86/kvm/vmx.c:3844 free_loaded_vmcs+0x10f/0x150 [ 40.401295] Kernel panic - not syncing: panic_on_warn set ... [ 40.401295] [ 40.408665] CPU: 1 PID: 3041 Comm: syz-executor0 Not tainted 4.14.0-rc7-next-20171103+ #38 [ 40.417032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.426455] Call Trace: [ 40.429015] dump_stack+0x194/0x257 [ 40.432615] ? arch_local_irq_restore+0x53/0x53 [ 40.437264] ? vsnprintf+0x1ed/0x1900 [ 40.441042] panic+0x1e4/0x41c [ 40.444203] ? refcount_error_report+0x214/0x214 [ 40.448925] ? show_regs_print_info+0x65/0x65 [ 40.453396] ? __warn+0x1a9/0x1e0 [ 40.456820] ? free_loaded_vmcs+0x10f/0x150 [ 40.461108] __warn+0x1c4/0x1e0 [ 40.464355] ? free_loaded_vmcs+0x10f/0x150 [ 40.468649] report_bug+0x211/0x2d0 [ 40.472250] fixup_bug+0x40/0x90 [ 40.475584] do_trap+0x260/0x390 [ 40.478927] do_error_trap+0x120/0x390 [ 40.482786] ? do_trap+0x390/0x390 [ 40.486293] ? free_loaded_vmcs+0x10f/0x150 [ 40.490580] ? smp_call_function_single+0x3ae/0x560 [ 40.495571] ? vmx_cpuid_update+0x9a0/0x9a0 [ 40.499866] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 40.504682] do_invalid_op+0x1b/0x20 [ 40.508365] invalid_op+0x18/0x20 [ 40.511786] RIP: 0010:free_loaded_vmcs+0x10f/0x150 [ 40.516680] RSP: 0018:ffff8801cbfeef18 EFLAGS: 00010293 [ 40.522009] RAX: ffff8801cd1fc5c0 RBX: ffff8801ce38c718 RCX: ffffffff8119c79f [ 40.529245] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8801ce38c720 [ 40.536483] RBP: ffff8801cbfeef30 R08: ffffea0006f74360 R09: 0000000000000000 [ 40.543721] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801ce1a7000 [ 40.551486] R13: 0000000000000001 R14: dffffc0000000000 R15: ffffed00397fde07 [ 40.558739] ? free_loaded_vmcs+0x10f/0x150 [ 40.563033] ? free_loaded_vmcs+0x10f/0x150 [ 40.567321] vmx_free_vcpu+0x1d3/0x2c0 [ 40.571176] kvm_arch_destroy_vm+0x4b4/0x990 [ 40.575557] ? kvm_arch_sync_events+0x30/0x30 [ 40.580022] ? mmdrop+0x18/0x30 [ 40.583270] ? mmu_notifier_unregister+0x437/0x5c0 [ 40.588163] ? kvm_put_kvm+0x306/0xde0 [ 40.592019] ? mmu_notifier_unregister_no_release+0x3e0/0x3e0 [ 40.597876] ? __free_pages+0x107/0x150 [ 40.601817] ? free_unref_page+0x9d0/0x9d0 [ 40.606022] ? quarantine_put+0xeb/0x190 [ 40.610047] ? kfree+0xe4/0x250 [ 40.613293] ? kvm_put_kvm+0x614/0xde0 [ 40.617153] ? free_pages+0x51/0x90 [ 40.620750] kvm_put_kvm+0x695/0xde0 [ 40.624442] ? kvm_clear_guest+0xb0/0xb0 [ 40.628493] ? fcntl_setlk+0x10d0/0x10d0 [ 40.632521] ? fsnotify+0x7b3/0x1140 [ 40.636205] ? _raw_spin_unlock_irq+0x27/0x70 [ 40.640675] ? kvm_irqfd_release+0xdd/0x120 [ 40.644964] ? kvm_irqfd_release+0xdd/0x120 [ 40.649255] ? kvm_put_kvm+0xde0/0xde0 [ 40.653109] kvm_vm_release+0x42/0x50 [ 40.656878] __fput+0x333/0x7f0 [ 40.660130] ? fput+0x140/0x140 [ 40.663379] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 40.669227] ? _raw_spin_unlock_irq+0x27/0x70 [ 40.673697] ____fput+0x15/0x20 [ 40.676947] task_work_run+0x199/0x270 [ 40.680805] ? task_work_cancel+0x210/0x210 [ 40.685095] ? _raw_spin_unlock+0x22/0x30 [ 40.689211] ? switch_task_namespaces+0x87/0xc0 [ 40.693852] do_exit+0x9b5/0x1ad0 [ 40.697272] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 40.702436] ? mm_update_next_owner+0x930/0x930 [ 40.707077] ? find_held_lock+0x39/0x1d0 [ 40.711116] ? lock_downgrade+0x990/0x990 [ 40.715233] ? refill_pi_state_cache.part.6+0x2f0/0x2f0 [ 40.720571] ? futex_wait+0x3ad/0x990 [ 40.724345] ? check_noncircular+0x20/0x20 [ 40.728560] ? fault_in_user_writeable+0x90/0x90 [ 40.733290] ? mmdrop+0x18/0x30 [ 40.736544] ? find_held_lock+0x39/0x1d0 [ 40.740589] ? lock_downgrade+0x990/0x990 [ 40.744709] ? recalc_sigpending_tsk+0x117/0x150 [ 40.749450] ? recalc_sigpending+0x103/0x160 [ 40.753832] ? recalc_sigpending_tsk+0x150/0x150 [ 40.758555] ? get_signal+0x2b2/0x16d0 [ 40.762425] do_group_exit+0x149/0x400 [ 40.766285] ? __lock_is_held+0xbc/0x140 [ 40.770316] ? SyS_exit+0x30/0x30 [ 40.773739] ? _raw_spin_unlock_irq+0x27/0x70 [ 40.778203] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 40.783197] get_signal+0x73f/0x16d0 [ 40.786895] ? ptrace_notify+0x130/0x130 [ 40.790941] ? exit_robust_list+0x240/0x240 [ 40.795237] ? __sched_text_start+0x8/0x8 [ 40.799360] ? __fget+0xbb/0x580 [ 40.802704] do_signal+0x94/0x1ee0 [ 40.806213] ? lock_release+0xd70/0xd70 [ 40.810165] ? setup_sigcontext+0x7d0/0x7d0 [ 40.814479] ? schedule+0xf5/0x430 [ 40.817998] ? __schedule+0x2060/0x2060 [ 40.821951] ? up_read+0x1a/0x40 [ 40.825292] ? __do_page_fault+0x3d6/0xc90 [ 40.829508] ? exit_to_usermode_loop+0x8c/0x310 [ 40.834155] exit_to_usermode_loop+0x214/0x310 [ 40.838709] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 40.844217] ? selinux_capable+0x40/0x40 [ 40.848255] syscall_return_slowpath+0x42f/0x510 [ 40.852987] ? prepare_exit_to_usermode+0x2d0/0x2d0 [ 40.857977] ? entry_SYSCALL_64_fastpath+0x91/0xbe [ 40.862876] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 40.867863] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 40.872594] entry_SYSCALL_64_fastpath+0xbc/0xbe [ 40.877317] RIP: 0033:0x452869 [ 40.880476] RSP: 002b:00007f6246dc6ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 40.888151] RAX: fffffffffffffe00 RBX: 00000000007581b8 RCX: 0000000000452869 [ 40.895385] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000007581b8 [ 40.902622] RBP: 00000000007581b8 R08: 0000000000000000 R09: 0000000000758190 [ 40.909859] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 40.917094] R13: 00007fffc95b0b7f R14: 00007f6246dc79c0 R15: 0000000000000004 [ 40.924501] Dumping ftrace buffer: [ 40.928062] (ftrace buffer empty) [ 40.931740] Kernel Offset: disabled [ 40.935336] Rebooting in 86400 seconds..