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: 3123 Comm: udevd Not tainted 4.15.0-rc4-mm1+ #49
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: ffff8801cc106080 RBX: 00000000001606f0 RCX: ffffffff811a4922
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 00000000001606f0
RBP: ffff8801db207ca8 R08: 1ffff1003976fe18 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000006
R13: ffff8801cc106080 R14: ffff8801db21a130 R15: ffff8801db21a130
FS:  00007f0c49a6e7a0(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0c49a75000 CR3: 00000001cfbcc002 CR4: 00000000001626f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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:3737 [inline]
 hardware_disable+0x34a/0x4b0 arch/x86/kvm/vmx.c:3743
 kvm_arch_hardware_disable+0x35/0xd0 arch/x86/kvm/x86.c:8115
 hardware_disable_nolock+0x30/0x40 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3284
 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:arch_local_irq_restore arch/x86/include/asm/paravirt.h:777 [inline]
RIP: 0010:qlink_free mm/kasan/quarantine.c:150 [inline]
RIP: 0010:qlist_free_all+0xa9/0x160 mm/kasan/quarantine.c:166
RSP: 0018:ffff8801cbb7f250 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff04
RAX: 0000000000000007 RBX: 0000000000000286 RCX: 0000000000000006
RDX: 0000000000000000 RSI: ffff8801cc106948 RDI: 0000000000000286
RBP: ffff8801cbb7f288 R08: 1ffff1003976fe18 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801dae29600 R14: ffff8801c621ed40 R15: ffffffff864c8520
 quarantine_reduce+0x141/0x170 mm/kasan/quarantine.c:259
 kasan_kmalloc+0xca/0xe0 mm/kasan/kasan.c:536
 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:489
 slab_post_alloc_hook mm/slab.h:443 [inline]
 slab_alloc mm/slab.c:3379 [inline]
 kmem_cache_alloc+0x11b/0x760 mm/slab.c:3539
 anon_vma_chain_alloc mm/rmap.c:128 [inline]
 __anon_vma_prepare+0xbc/0x6b0 mm/rmap.c:182
 anon_vma_prepare include/linux/rmap.h:153 [inline]
 do_anonymous_page mm/memory.c:3137 [inline]
 handle_pte_fault mm/memory.c:3945 [inline]
 __handle_mm_fault+0x2c70/0x3ce0 mm/memory.c:4071
 handle_mm_fault+0x38f/0x930 mm/memory.c:4108
 __do_page_fault+0x5c9/0xc90 arch/x86/mm/fault.c:1429
 do_page_fault+0xee/0x720 arch/x86/mm/fault.c:1504
 page_fault+0x2c/0x60 arch/x86/entry/entry_64.S:1243
RIP: 0010:copy_user_generic_unrolled+0x89/0xc0 arch/x86/lib/copy_user_64.S:66
RSP: 0018:ffff8801cbb7fa60 EFLAGS: 00010207
RAX: ffffed0038c36ddc RBX: 000000000000001f RCX: 0000000000000003
RDX: 0000000000000007 RSI: ffff8801c61b6ec0 RDI: 00007f0c49a75000
RBP: ffff8801cbb7fa90 R08: 30313d524f4a414d R09: ffffed0038c36ddc
R10: 0000000000000004 R11: ffffed0038c36ddb R12: 00007f0c49a75000
R13: ffff8801c61b6ec0 R14: 00007ffffffff000 R15: 00007f0c49a7501f
 copy_to_user include/linux/uaccess.h:155 [inline]
 seq_read+0xcb4/0x13d0 fs/seq_file.c:279
 kernfs_fop_read+0x455/0x610 fs/kernfs/file.c:252
 __vfs_read+0xef/0xa00 fs/read_write.c:411
 vfs_read+0x11e/0x350 fs/read_write.c:447
 SYSC_read fs/read_write.c:573 [inline]
 SyS_read+0xef/0x220 fs/read_write.c:566
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x7f0c49176310
RSP: 002b:00007ffe0e0faf68 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00000000008acd80 RCX: 00007f0c49176310
RDX: 0000000000001000 RSI: 00007f0c49a75000 RDI: 0000000000000005
RBP: 00007f0c4942ce40 R08: 00000000ffffffff R09: 0000000000000000
R10: 0000000000000022 R11: 0000000000000246 R12: 0000000000001000
R13: 00000000008e9eb0 R14: 00000000008acd80 R15: 000000000000000b
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 7c4a0c2c9b2fd8ec ]---