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: 3129 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: ffff8801cacbe300 RBX: 00000000001606f0 RCX: ffffffff811a4922
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 00000000001606f0
RBP: ffff8801db207ca8 R08: ffffed003958ff3b R09: ffff8801cac7f990
R10: 0000000000000009 R11: ffffed003958ff3a R12: 0000000000000006
R13: ffff8801cacbe300 R14: ffff8801db21a130 R15: ffff8801db21a130
FS:  00007facb582b7a0(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f778c3d9db8 CR3: 00000001cb99e001 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:strlen+0x60/0xa0 lib/string.c:482
RSP: 0018:ffff8801cac7f7d0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff04
RAX: ffff8801d8af7602 RBX: dffffc0000000000 RCX: 0000000000000002
RDX: 0000000000000000 RSI: ffff8801d8af7600 RDI: ffff8801d8af7600
RBP: ffff8801cac7f7e8 R08: ffffed003958ff3b R09: ffff8801cac7f990
R10: 0000000000000009 R11: ffffed003958ff3a R12: ffff8801d8af7600
R13: ffff8801d8af7600 R14: ffff8801d8af7600 R15: ffff8801d2d54840
 strlen include/linux/string.h:266 [inline]
 symhash+0x20/0xc0 security/selinux/ss/symtab.c:20
 hashtab_search+0x55/0x220 security/selinux/ss/hashtab.c:88
 string_to_context_struct+0x364/0xa50 security/selinux/ss/services.c:1355
 security_context_to_sid_core+0x499/0x5a0 security/selinux/ss/services.c:1447
 security_context_to_sid+0x32/0x40 security/selinux/ss/services.c:1480
 selinux_inode_setxattr+0x3a2/0xa60 security/selinux/hooks.c:3192
 security_inode_setxattr+0xf3/0x170 security/security.c:731
 vfs_setxattr+0xa0/0xe0 fs/xattr.c:220
 setxattr+0x319/0x400 fs/xattr.c:453
 path_setxattr+0x198/0x1e0 fs/xattr.c:472
 SYSC_lsetxattr fs/xattr.c:494 [inline]
 SyS_lsetxattr+0x38/0x50 fs/xattr.c:490
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x7facb4f3dffa
RSP: 002b:00007ffc5fb94f78 EFLAGS: 00000206 ORIG_RAX: 00000000000000bd
RAX: ffffffffffffffda RBX: 0000000001ca0f80 RCX: 00007facb4f3dffa
RDX: 0000000001b606a0 RSI: 00007facb540cf69 RDI: 00007ffc5fb959d0
RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000001fff
R10: 000000000000001e R11: 0000000000000206 R12: 0000000000001000
R13: 0000000001b2fc80 R14: 00007ffc5fb93ec8 R15: 0000000000000000
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 9afac15683f8a878 ]---