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-9,10.128.15.215' (ECDSA) to the list of known hosts. 2017/11/04 19:30:08 parsed 1 programs 2017/11/04 19:30:08 executed programs: 0 syzkaller login: [ 57.323640] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 57.620830] ------------[ cut here ]------------ [ 57.649448] WARNING: CPU: 1 PID: 3070 at arch/x86/kvm/vmx.c:3844 free_loaded_vmcs+0x10f/0x150 [ 57.691526] Kernel panic - not syncing: panic_on_warn set ... [ 57.691526] [ 57.698909] CPU: 0 PID: 3070 Comm: syz-executor5 Not tainted 4.14.0-rc7-next-20171103+ #38 [ 57.707282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.716609] Call Trace: [ 57.719172] dump_stack+0x194/0x257 [ 57.722772] ? arch_local_irq_restore+0x53/0x53 [ 57.727415] ? vsnprintf+0x1ed/0x1900 [ 57.731190] panic+0x1e4/0x41c [ 57.734355] ? refcount_error_report+0x214/0x214 [ 57.739078] ? show_regs_print_info+0x65/0x65 [ 57.743552] ? __warn+0x1a9/0x1e0 [ 57.746979] ? free_loaded_vmcs+0x10f/0x150 [ 57.751274] __warn+0x1c4/0x1e0 [ 57.754525] ? free_loaded_vmcs+0x10f/0x150 [ 57.758820] report_bug+0x211/0x2d0 [ 57.762424] fixup_bug+0x40/0x90 [ 57.765760] do_trap+0x260/0x390 [ 57.769103] do_error_trap+0x120/0x390 [ 57.772963] ? do_trap+0x390/0x390 [ 57.776472] ? free_loaded_vmcs+0x10f/0x150 [ 57.780761] ? smp_call_function_single+0x3ae/0x560 [ 57.785746] ? vmx_cpuid_update+0x9a0/0x9a0 [ 57.790037] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.794852] do_invalid_op+0x1b/0x20 [ 57.798534] invalid_op+0x18/0x20 [ 57.801952] RIP: 0010:free_loaded_vmcs+0x10f/0x150 [ 57.806847] RSP: 0018:ffff8801c7e06f18 EFLAGS: 00010293 [ 57.812181] RAX: ffff8801c7e24080 RBX: ffff8801caa8cb58 RCX: ffffffff8119c79f [ 57.819419] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8801caa8cb60 [ 57.826657] RBP: ffff8801c7e06f30 R08: ffffea00072db3e0 R09: 0000000000000000 [ 57.833894] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801cb6cf000 [ 57.841132] R13: 0000000000000001 R14: dffffc0000000000 R15: ffffed0038fc0e07 [ 57.848384] ? free_loaded_vmcs+0x10f/0x150 [ 57.852679] ? free_loaded_vmcs+0x10f/0x150 [ 57.856972] vmx_free_vcpu+0x1d3/0x2c0 [ 57.860832] kvm_arch_destroy_vm+0x4b4/0x990 [ 57.865213] ? kvm_arch_sync_events+0x30/0x30 [ 57.869676] ? mmdrop+0x18/0x30 [ 57.872925] ? mmu_notifier_unregister+0x437/0x5c0 [ 57.877821] ? kvm_put_kvm+0x306/0xde0 [ 57.881681] ? mmu_notifier_unregister_no_release+0x3e0/0x3e0 [ 57.887537] ? __free_pages+0x107/0x150 [ 57.891488] ? free_unref_page+0x9d0/0x9d0 [ 57.895694] ? quarantine_put+0xeb/0x190 [ 57.899721] ? kfree+0xe4/0x250 [ 57.902969] ? kvm_put_kvm+0x614/0xde0 [ 57.906829] ? free_pages+0x51/0x90 [ 57.910427] kvm_put_kvm+0x695/0xde0 [ 57.914117] ? kvm_clear_guest+0xb0/0xb0 [ 57.918165] ? fcntl_setlk+0x10d0/0x10d0 [ 57.922194] ? fsnotify+0x7b3/0x1140 [ 57.925880] ? _raw_spin_unlock_irq+0x27/0x70 [ 57.930352] ? kvm_irqfd_release+0xdd/0x120 [ 57.934641] ? kvm_irqfd_release+0xdd/0x120 [ 57.938932] ? kvm_put_kvm+0xde0/0xde0 [ 57.942786] kvm_vm_release+0x42/0x50 [ 57.946556] __fput+0x333/0x7f0 [ 57.949810] ? fput+0x140/0x140 [ 57.953060] ? trace_event_raw_event_sched_switch+0x8a0/0x8a0 [ 57.958909] ? _raw_spin_unlock_irq+0x27/0x70 [ 57.963376] ____fput+0x15/0x20 [ 57.966623] task_work_run+0x199/0x270 [ 57.970481] ? task_work_cancel+0x210/0x210 [ 57.974770] ? _raw_spin_unlock+0x22/0x30 [ 57.978884] ? switch_task_namespaces+0x87/0xc0 [ 57.983523] do_exit+0x9b5/0x1ad0 [ 57.986941] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 57.992101] ? mm_update_next_owner+0x930/0x930 [ 57.996741] ? find_held_lock+0x39/0x1d0 [ 58.000781] ? lock_downgrade+0x990/0x990 [ 58.004898] ? refill_pi_state_cache.part.6+0x2f0/0x2f0 [ 58.010235] ? futex_wait+0x3ad/0x990 [ 58.014010] ? check_noncircular+0x20/0x20 [ 58.018230] ? fault_in_user_writeable+0x90/0x90 [ 58.022959] ? mmdrop+0x18/0x30 [ 58.026214] ? find_held_lock+0x39/0x1d0 [ 58.030256] ? lock_downgrade+0x990/0x990 [ 58.034375] ? recalc_sigpending_tsk+0x117/0x150 [ 58.039100] ? recalc_sigpending+0x103/0x160 [ 58.043477] ? recalc_sigpending_tsk+0x150/0x150 [ 58.048199] ? get_signal+0x2b2/0x16d0 [ 58.052065] do_group_exit+0x149/0x400 [ 58.055922] ? __lock_is_held+0xbc/0x140 [ 58.059952] ? SyS_exit+0x30/0x30 [ 58.063376] ? _raw_spin_unlock_irq+0x27/0x70 [ 58.067842] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 58.072830] get_signal+0x73f/0x16d0 [ 58.076521] ? ptrace_notify+0x130/0x130 [ 58.080560] ? exit_robust_list+0x240/0x240 [ 58.084855] ? __sched_text_start+0x8/0x8 [ 58.088973] ? __fget+0xbb/0x580 [ 58.092315] do_signal+0x94/0x1ee0 [ 58.095820] ? lock_release+0xd70/0xd70 [ 58.101684] ? setup_sigcontext+0x7d0/0x7d0 [ 58.105982] ? schedule+0xf5/0x430 [ 58.109492] ? __schedule+0x2060/0x2060 [ 58.113437] ? _raw_spin_unlock_irq+0x27/0x70 [ 58.117901] ? task_work_run+0x1f4/0x270 [ 58.121935] ? task_work_cancel+0x210/0x210 [ 58.126228] ? exit_to_usermode_loop+0x8c/0x310 [ 58.130872] exit_to_usermode_loop+0x214/0x310 [ 58.135427] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 58.140946] ? selinux_capable+0x40/0x40 [ 58.144986] syscall_return_slowpath+0x42f/0x510 [ 58.149712] ? prepare_exit_to_usermode+0x2d0/0x2d0 [ 58.154698] ? entry_SYSCALL_64_fastpath+0x91/0xbe [ 58.159596] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 58.164586] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 58.169317] entry_SYSCALL_64_fastpath+0xbc/0xbe [ 58.174038] RIP: 0033:0x452869 [ 58.177201] RSP: 002b:00007f3263304ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 58.184876] RAX: fffffffffffffe00 RBX: 0000000000758100 RCX: 0000000000452869 [ 58.192115] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000758100 [ 58.199353] RBP: 0000000000758100 R08: 0000000000000002 R09: 00000000007580d8 [ 58.206591] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 58.213829] R13: 00007fff8c5e7a0f R14: 00007f32633059c0 R15: 0000000000000002 [ 58.221222] Dumping ftrace buffer: [ 58.224784] (ftrace buffer empty) [ 58.228463] Kernel Offset: disabled [ 58.232061] Rebooting in 86400 seconds..