------------[ cut here ]------------ WARNING: CPU: 1 PID: 25251 at arch/x86/kvm/x86.c:7485 kvm_arch_vcpu_ioctl_run+0xf5/0x1000 arch/x86/kvm/x86.c:7485 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 25251 Comm: syz-executor.2 Not tainted 4.14.150 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x197 lib/dump_stack.c:53 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x2f/0x2f kernel/panic.c:547 report_bug+0x216/0x254 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x1bb/0x310 arch/x86/kernel/traps.c:295 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:963 RIP: 0010:kvm_arch_vcpu_ioctl_run+0xf5/0x1000 arch/x86/kvm/x86.c:7485 RSP: 0018:ffff88820eb27bd8 EFLAGS: 00010216 RAX: 0000000000040000 RBX: ffff888055be3000 RCX: ffffc90007a2b000 RDX: 00000000000003b8 RSI: ffffffff810bf2e5 RDI: ffff88820bc507a8 RBP: ffff88820eb27c30 R08: 0000000000000001 R09: ffff8880591b2680 R10: dffffc0000000000 R11: 0000000000000000 R12: ffff88820bc50580 R13: 0000000000000000 R14: ffff88820bc50580 R15: ffff88820bc50658 kvm_vcpu_ioctl+0x401/0xd10 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2611 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x459a59 RSP: 002b:00007fe37e8e9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459a59 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe37e8ea6d4 R13: 00000000004c2e4a R14: 00000000004d6aa0 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..