kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu
general protection fault: 0000 [#1] SMP
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 3124 Comm: syz-executor0 Not tainted 4.15.0-rc3-next-20171214+ #67
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:native_write_cr4+0x4/0x10 arch/x86/include/asm/special_insns.h:76
RSP: 0018:ffffc900018bbb10 EFLAGS: 00010093
RAX: ffff880214d345c0 RBX: 00000000001606f0 RCX: ffffffff8108d968
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000001606f0
RBP: ffffc900018bbb10 R08: 0000000000000001 R09: 0000000000000004
R10: ffffc900018bbb30 R11: 0000000000000004 R12: 0000000000000093
R13: ffff880214d345c0 R14: ffff8802143800d0 R15: ffff880214380098
FS:  00007f36dff9d700(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd74363f000 CR3: 000000000301e006 CR4: 00000000001626f0
Call Trace:
 __write_cr4 arch/x86/include/asm/paravirt.h:76 [inline]
 __cr4_set arch/x86/include/asm/tlbflush.h:252 [inline]
 cr4_clear_bits arch/x86/include/asm/tlbflush.h:275 [inline]
 kvm_cpu_vmxoff arch/x86/kvm/vmx.c:3582 [inline]
 hardware_disable+0x1a0/0x210 arch/x86/kvm/vmx.c:3588
 kvm_arch_hardware_disable+0x14/0x50 arch/x86/kvm/x86.c:7983
 hardware_disable_nolock+0x30/0x40 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3291
 on_each_cpu+0x86/0x110 kernel/smp.c:604
 hardware_disable_all_nolock+0x3e/0x50 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3309
 hardware_disable_all arch/x86/kvm/../../../virt/kvm/kvm_main.c:3315 [inline]
 kvm_destroy_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:742 [inline]
 kvm_put_kvm+0x349/0x4a0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:755
 kvm_vm_release+0x24/0x30 arch/x86/kvm/../../../virt/kvm/kvm_main.c:766
 __fput+0x120/0x270 fs/file_table.c:209
 ____fput+0x15/0x20 fs/file_table.c:243
 task_work_run+0xa3/0xe0 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0x3e6/0x1050 kernel/exit.c:869
 do_group_exit+0x60/0x100 kernel/exit.c:972
 get_signal+0x36c/0xad0 kernel/signal.c:2337
 do_signal+0x23/0x670 arch/x86/kernel/signal.c:809
 exit_to_usermode_loop+0x13c/0x160 arch/x86/entry/common.c:161
 prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline]
 syscall_return_slowpath+0x1b4/0x1e0 arch/x86/entry/common.c:264
 entry_SYSCALL_64_fastpath+0x94/0x96
RIP: 0033:0x452a39
RSP: 002b:00007f36dff9cce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 0000000000758100 RCX: 0000000000452a39
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000758100
RBP: 0000000000758100 R08: 0000000000000000 R09: 00000000007580d8
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcd8341d1f R14: 00007f36dff9d9c0 R15: 0000000000000002
Code: 0f 1f 80 00 00 00 00 55 48 89 e5 0f 20 d8 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 0f 22 df 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 <0f> 22 e7 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 44 0f 20 c0 5d 
RIP: native_write_cr4+0x4/0x10 arch/x86/include/asm/special_insns.h:76 RSP: ffffc900018bbb10
---[ end trace 44c878cb487dfd06 ]---