kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 3549 Comm: syz-executor0 Not tainted 4.15.0-rc7+ #258
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:ffff8801db207ca8 EFLAGS: 00010006
RAX: ffff8801be2e40c0 RBX: 00000000001606f0 RCX: ffffffff811a32c2
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 00000000001606f0
RBP: ffff8801db207ca8 R08: 0000000000000001 R09: 000000000234f940
R10: ffff8801bdc67f28 R11: ffff8801be2e40c0 R12: 0000000000000006
R13: ffff8801be2e40c0 R14: ffff8801db21d130 R15: ffff8801db21d130
FS:  000000000234f940(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1c4cb42000 CR3: 00000001bde1d003 CR4: 00000000001626f0
Call Trace:
 <IRQ>
 __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+0x34a/0x4b0 arch/x86/kvm/vmx.c:3588
 kvm_arch_hardware_disable+0x35/0xd0 arch/x86/kvm/x86.c:8004
 hardware_disable_nolock+0x30/0x40 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3310
 flush_smp_call_function_queue+0x1f4/0x570 kernel/smp.c:243
 generic_smp_call_function_single_interrupt+0x13/0x30 kernel/smp.c:192
 smp_call_function_single_interrupt+0x103/0x640 arch/x86/kernel/smp.c:295
 call_function_single_interrupt+0xa9/0xb0 arch/x86/entry/entry_64.S:942
 </IRQ>
RIP: 0010:trace_sched_process_wait include/trace/events/sched.h:248 [inline]
RIP: 0010:do_wait+0x85a/0xa70 kernel/exit.c:1501
RSP: 0018:ffff8801bdc67b58 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff04
RAX: ffff8801be2e40c0 RBX: 1ffff10037b8cf94 RCX: ffffffff81424893
RDX: 0000000000000000 RSI: 00007ffed8fb4a9c RDI: ffff8801be2e4934
RBP: ffff8801bdc67d08 R08: 0000000000000001 R09: 000000000234f940
R10: ffff8801bdc67f28 R11: ffff8801be2e40c0 R12: 0000000000000000
R13: ffff8801bdc67d48 R14: 0000000000000000 R15: ffff8801bdc67d48
 kernel_wait4+0x1f5/0x370 kernel/exit.c:1665
 SYSC_wait4+0x134/0x140 kernel/exit.c:1677
 SyS_wait4+0x2c/0x40 kernel/exit.c:1673
 entry_SYSCALL_64_fastpath+0x23/0x9a
RIP: 0033:0x40ce4a
RSP: 002b:00007ffed8fb4a78 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
RAX: ffffffffffffffda RBX: 000000000234f914 RCX: 000000000040ce4a
RDX: 0000000040000001 RSI: 00007ffed8fb4a9c RDI: ffffffffffffffff
RBP: 0000000000000030 R08: 0000000000000001 R09: 000000000234f940
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000014 R14: 00000000000065db R15: 0000000000000001
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: ffff8801db207ca8
---[ end trace a11fc460e739cdc6 ]---