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: 1 PID: 3478 Comm: udevd Not tainted 4.15.0-rc7+ #259
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:ffff8801db307ca8 EFLAGS: 00010006
RAX: ffff8801c17de480 RBX: 00000000001606e0 RCX: ffffffff811a32b2
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 00000000001606e0
RBP: ffff8801db307ca8 R08: 1ffff100381a3ce3 R09: 0000000000000002
R10: ffff8801c0d1ebe0 R11: 0000000000000000 R12: 0000000000000006
R13: ffff8801c17de480 R14: ffff8801db31d130 R15: ffff8801db31d130
FS:  00007f6b429d37a0(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6b429da000 CR3: 00000001c0d4b006 CR4: 00000000001626e0
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:3588 [inline]
 hardware_disable+0x34a/0x4b0 arch/x86/kvm/vmx.c:3594
 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:__radix_tree_lookup+0xb8/0x5e0 lib/radix-tree.c:1031
RSP: 0018:ffff8801c0d1ea80 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff04
RAX: ffffed00381a3d5c RBX: ffff8801bb057840 RCX: ffff8801c0d1ec98
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801bb057840
RBP: ffff8801c0d1ec68 R08: 1ffff100381a3ce3 R09: 0000000000000002
R10: ffff8801c0d1ebe0 R11: 0000000000000000 R12: ffff8801c0d1ec98
R13: dffffc0000000000 R14: ffff8801bb057840 R15: 0000000000000000
 radix_tree_lookup_slot+0x78/0xe0 lib/radix-tree.c:1078
 find_get_entry+0x184/0x9e0 mm/filemap.c:1431
 find_lock_entry+0xde/0x730 mm/filemap.c:1495
 shmem_getpage_gfp+0x364/0x3730 mm/shmem.c:1616
 shmem_getpage mm/shmem.c:131 [inline]
 shmem_write_begin+0xf7/0x1a0 mm/shmem.c:2370
 generic_perform_write+0x28f/0x600 mm/filemap.c:3139
 __generic_file_write_iter+0x366/0x5b0 mm/filemap.c:3264
 generic_file_write_iter+0x399/0x790 mm/filemap.c:3292
 call_write_iter include/linux/fs.h:1772 [inline]
 new_sync_write fs/read_write.c:469 [inline]
 __vfs_write+0x684/0x970 fs/read_write.c:482
 vfs_write+0x189/0x510 fs/read_write.c:544
 SYSC_write fs/read_write.c:589 [inline]
 SyS_write+0xef/0x220 fs/read_write.c:581
 entry_SYSCALL_64_fastpath+0x23/0x9a
RIP: 0033:0x7f6b420db370
RSP: 002b:00007fff11e93ea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000fc3f80 RCX: 00007f6b420db370
RDX: 000000000000001b RSI: 00007f6b429da000 RDI: 0000000000000005
RBP: 00007fff11e93e60 R08: 00007f6b429d37a0 R09: 0000000000ea47f0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007fff11e93e70 R14: 0000000000420724 R15: ffffffffffffff00
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: ffff8801db307ca8
---[ end trace 82f95ed058f84961 ]---