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: 4098 Comm: udevd Not tainted 4.16.0-rc6+ #365
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: ffff8801d3a023c0 RBX: 00000000001606f0 RCX: ffffffff811a5f12
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 00000000001606f0
RBP: ffff8801db207ca8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000006
R13: ffff8801d3a023c0 R14: ffff8801db21d130 R15: ffff8801db21d130
FS:  00007fa75d4da7a0(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa75d4e0000 CR3: 00000001cd2f3005 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:77 [inline]
 __cr4_set arch/x86/include/asm/tlbflush.h:254 [inline]
 cr4_clear_bits arch/x86/include/asm/tlbflush.h:277 [inline]
 kvm_cpu_vmxoff arch/x86/kvm/vmx.c:3658 [inline]
 hardware_disable+0x34a/0x4b0 arch/x86/kvm/vmx.c:3664
 kvm_arch_hardware_disable+0x35/0xd0 arch/x86/kvm/x86.c:8281
 hardware_disable_nolock+0x30/0x40 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3289
 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+0xf/0x20 arch/x86/entry/entry_64.S:879
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:778 [inline]
RIP: 0010:kfree+0x106/0x260 mm/slab.c:3801
RSP: 0018:ffff8801ccd8fbf8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff04
RAX: 0000000000000007 RBX: ffff8801b9e08280 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000282
RBP: ffff8801ccd8fc18 R08: 0000000000000009 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000282
R13: ffff8801dac00dc0 R14: ffffffff81bc5655 R15: ffff8801b418f960
 kfree_link+0x15/0x20 fs/libfs.c:1066
 do_delayed_call include/linux/delayed_call.h:28 [inline]
 generic_readlink fs/namei.c:4684 [inline]
 vfs_readlink+0x23f/0x4f0 fs/namei.c:4714
 SYSC_readlinkat fs/stat.c:406 [inline]
 SyS_readlinkat fs/stat.c:382 [inline]
 SYSC_readlink fs/stat.c:421 [inline]
 SyS_readlink+0x2ca/0x3a0 fs/stat.c:418
 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x7fa75cbe3577
RSP: 002b:00007ffce1651708 EFLAGS: 00000202 ORIG_RAX: 0000000000000059
RAX: ffffffffffffffda RBX: 00007ffce1651f40 RCX: 00007fa75cbe3577
RDX: 0000000000000400 RSI: 00007ffce1651b10 RDI: 00007ffce1651710
RBP: 0000000000000200 R08: 000000000042033b R09: 00007fa75cc37c20
R10: 7665642f7379732f R11: 0000000000000202 R12: 000000000161ba00
R13: 0000000000625500 R14: 00000000015e3030 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 263a7a5cfb207c86 ]---