------------[ cut here ]------------ WARNING: CPU: 0 PID: 3014 at arch/x86/kvm/x86.c:7226 kvm_arch_vcpu_ioctl_run+0x213/0x5870 arch/x86/kvm/x86.c:7226 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 3014 Comm: syzkaller118007 Not tainted 4.13.0-rc6+ #47 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:52 panic+0x1e4/0x417 kernel/panic.c:180 __warn+0x1c4/0x1d9 kernel/panic.c:541 report_bug+0x211/0x2d0 lib/bug.c:183 fixup_bug+0x40/0x90 arch/x86/kernel/traps.c:190 do_trap_no_signal arch/x86/kernel/traps.c:224 [inline] do_trap+0x260/0x390 arch/x86/kernel/traps.c:273 do_error_trap+0x120/0x390 arch/x86/kernel/traps.c:310 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:323 invalid_op+0x1e/0x30 arch/x86/entry/entry_64.S:846 RIP: 0010:kvm_arch_vcpu_ioctl_run+0x213/0x5870 arch/x86/kvm/x86.c:7226 RSP: 0018:ffff8801d068f670 EFLAGS: 00010297 RAX: ffff8801d07ea0c0 RBX: ffff8801d16f0000 RCX: ffff8801d23e845c RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d23e8260 RBP: ffff8801d068fa40 R08: 0000000000000001 R09: 0000000000000000 R10: ffff8801d068fa58 R11: 0000000000000000 R12: 0000000000000001 R13: 0000000000000000 R14: ffff8801d276a880 R15: ffff8801d23e8040 kvm_vcpu_ioctl+0x64c/0x1010 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2589 vfs_ioctl fs/ioctl.c:45 [inline] do_vfs_ioctl+0x1b1/0x1520 fs/ioctl.c:685 SYSC_ioctl fs/ioctl.c:700 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:691 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x446289 RSP: 002b:00007fc0df3a6dc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446289 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 RBP: 0000000000000086 R08: 00007fc0df3a7700 R09: 00007fc0df3a7700 R10: 00007fc0df3a7700 R11: 0000000000000202 R12: 0000000000000000 R13: 00007ffc411ea45f R14: 00007fc0df3a79c0 R15: 0000000000000000 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..