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: 3485 Comm: udevd Not tainted 4.15.0-rc7-mm1+ #55
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: ffff8801c1400440 RBX: 00000000001606e0 RCX: ffffffff811a4b82
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 00000000001606e0
RBP: ffff8801db307ca8 R08: ffff8801c12ff9a0 R09: ffff8801c1400440
R10: 000000000000000b R11: ffffed003825ff36 R12: 0000000000000006
R13: ffff8801c1400440 R14: ffff8801db31d130 R15: ffff8801db31d130
FS:  00007f4aa25337a0(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4aa253a000 CR3: 00000001c1095006 CR4: 00000000001626e0
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:8110
 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:948
 </IRQ>
RIP: 0010:__read_once_size include/linux/compiler.h:188 [inline]
RIP: 0010:update_stack_state+0x4d3/0x700 arch/x86/kernel/unwind_frame.c:270
RSP: 0018:ffff8801c12ff728 EFLAGS: 00000a02 ORIG_RAX: ffffffffffffff04
RAX: dffffc0000000000 RBX: ffff8801c12ffd38 RCX: 1ffff1003825ff00
RDX: 1ffff1003825fef1 RSI: ffff8801c12ffd48 RDI: ffff8801c12ff988
RBP: ffff8801c12ff830 R08: ffff8801c12ff9a0 R09: ffff8801c1400440
R10: 000000000000000b R11: ffffed003825ff36 R12: 1ffff1003825feed
R13: 1ffff1003825fef1 R14: ffffffff81b59bed R15: ffff8801c12ff960
 unwind_next_frame.part.6+0x1a6/0xb40 arch/x86/kernel/unwind_frame.c:329
 unwind_next_frame+0x3e/0x50 arch/x86/kernel/unwind_frame.c:287
 __save_stack_trace+0x6e/0xd0 arch/x86/kernel/stacktrace.c:44
 save_stack_trace+0x1a/0x20 arch/x86/kernel/stacktrace.c:60
 save_stack+0x43/0xd0 mm/kasan/kasan.c:447
 set_track mm/kasan/kasan.c:459 [inline]
 kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:552
 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:489
 kmem_cache_alloc+0x12e/0x760 mm/slab.c:3541
 getname_flags+0xcb/0x580 fs/namei.c:138
 user_path_at_empty+0x2d/0x50 fs/namei.c:2587
 user_path_at include/linux/namei.h:57 [inline]
 vfs_statx+0xe9/0x190 fs/stat.c:185
 vfs_lstat include/linux/fs.h:3076 [inline]
 SYSC_newlstat+0x87/0xf0 fs/stat.c:350
 SyS_newlstat+0x1d/0x30 fs/stat.c:344
 entry_SYSCALL_64_fastpath+0x29/0xa0
RIP: 0033:0x7f4aa1c3ad05
RSP: 002b:00007ffd6fe08648 EFLAGS: 00000246 ORIG_RAX: 0000000000000006
RAX: ffffffffffffffda RBX: 00007ffd6fe0a1e0 RCX: 00007f4aa1c3ad05
RDX: 00007ffd6fe08680 RSI: 00007ffd6fe08680 RDI: 00007ffd6fe08780
RBP: 00007ffd6fe08780 R08: 00000000014a0960 R09: 00007f4aa1c90ff0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd6fe097d8
R13: 00007ffd6fe0a1e0 R14: 00007ffd6fe09940 R15: 00007ffd6fe09d40
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 d3f3833bec72aa72 ]---