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: 1606 Comm: udevd Not tainted 4.15.0-rc4-next-20171221+ #78
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: ffff8801d0516440 RBX: 00000000001606f0 RCX: ffffffff811a47f2
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 00000000001606f0
RBP: ffff8801db207ca8 R08: ffff8801d051f938 R09: ffff8801d0516440
R10: 000000000000000b R11: ffffed003a0a3f2a R12: 0000000000000006
R13: ffff8801d0516440 R14: ffff8801db21a130 R15: ffff8801db21a130
FS:  00007fc19b7ee7a0(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc19b7f4000 CR3: 00000001d042e003 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:8110
 hardware_disable_nolock+0x30/0x40 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3283
 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:unwind_next_frame.part.6+0x19a/0xb40 arch/x86/kernel/unwind_frame.c:329
RSP: 0018:ffff8801d051f7e0 EFLAGS: 00000a06 ORIG_RAX: ffffffffffffff04
RAX: dffffc0000000000 RBX: ffff8801d051f900 RCX: ffff8801d051f8b0
RDX: ffff8801d051f928 RSI: ffff8801d051f988 RDI: ffff8801d051f900
RBP: ffff8801d051f8d8 R08: ffff8801d051f938 R09: ffff8801d0516440
R10: 000000000000000b R11: ffffed003a0a3f2a R12: 1ffff1003a0a3f02
R13: ffff8801d051f988 R14: 1ffff1003a0a3f06 R15: ffff8801d051f950
 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:551
 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:489
 kmem_cache_alloc+0x12e/0x760 mm/slab.c:3545
 anon_vma_chain_alloc mm/rmap.c:128 [inline]
 anon_vma_clone+0x139/0x700 mm/rmap.c:268
 __split_vma+0x2f7/0x7b0 mm/mmap.c:2595
 do_munmap+0xb54/0xdf0 mm/mmap.c:2698
 vm_munmap+0x10b/0x180 mm/mmap.c:2756
 SYSC_munmap mm/mmap.c:2766 [inline]
 SyS_munmap+0x25/0x30 mm/mmap.c:2763
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x7fc19aefed37
RSP: 002b:00007fff7b9a4018 EFLAGS: 00000206 ORIG_RAX: 000000000000000b
RAX: ffffffffffffffda RBX: 000000000122ff60 RCX: 00007fc19aefed37
RDX: 0000000000000000 RSI: 0000000000001000 RDI: 00007fc19b7f4000
RBP: 0000000000000000 R08: 00007fc19b7ee7a0 R09: 0000000000000000
R10: 1999999999999999 R11: 0000000000000206 R12: 00000000ffffffff
R13: 000000000122ff60 R14: 0000000000000006 R15: 0000000000000ae8
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 265db654f356c5e8 ]---