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: 1772 Comm: udevd Not tainted 4.15.0-rc6+ #159
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:ffff8801db207550 EFLAGS: 00010006
RAX: ffff8801d01700c0 RBX: 00000000001606f0 RCX: ffffffff811a32c2
RDX: 0000000000010100 RSI: 0000000000000000 RDI: 00000000001606f0
RBP: ffff8801db207550 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000006
R13: ffff8801d01700c0 R14: ffff8801db21d130 R15: ffff8801db21d130
FS:  00007fea031fe7a0(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fea03205000 CR3: 00000001d00c5001 CR4: 00000000001626f0
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:3582 [inline]
 hardware_disable+0x34a/0x4b0 arch/x86/kvm/vmx.c:3588
 kvm_arch_hardware_disable+0x35/0xd0 arch/x86/kvm/x86.c:8004
 hardware_disable_nolock+0x30/0x40 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3310
 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
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:777 [inline]
RIP: 0010:kmem_cache_free+0x17c/0x2a0 mm/slab.c:3747
RSP: 0018:ffff8801db207950 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff04
RAX: 0000000000000007 RBX: ffff8801d574d380 RCX: 0000000000000002
RDX: 0000000000000000 RSI: ffff8801d0170938 RDI: 0000000000000282
RBP: ffff8801db207970 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801dae27240
R13: 0000000000000282 R14: ffffffff821ef27d R15: ffff8801db207c58
 inode_free_rcu+0x1d/0x20 security/selinux/hooks.c:328
 __rcu_reclaim kernel/rcu/rcu.h:195 [inline]
 rcu_do_batch kernel/rcu/tree.c:2758 [inline]
 invoke_rcu_callbacks kernel/rcu/tree.c:3012 [inline]
 __rcu_process_callbacks kernel/rcu/tree.c:2979 [inline]
 rcu_process_callbacks+0xd6c/0x17f0 kernel/rcu/tree.c:2996
 __do_softirq+0x2d7/0xb85 kernel/softirq.c:285
 invoke_softirq kernel/softirq.c:365 [inline]
 irq_exit+0x1cc/0x200 kernel/softirq.c:405
 exiting_irq arch/x86/include/asm/apic.h:540 [inline]
 smp_apic_timer_interrupt+0x16b/0x700 arch/x86/kernel/apic/apic.c:1052
 apic_timer_interrupt+0xa9/0xb0 arch/x86/entry/entry_64.S:920
 </IRQ>
RIP: 0010:arch_local_irq_enable arch/x86/include/asm/paravirt.h:787 [inline]
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x56/0x70 kernel/locking/spinlock.c:192
RSP: 0018:ffff8801d017f5e8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff11
RAX: dffffc0000000000 RBX: ffff8801db22c240 RCX: 0000000000000000
RDX: 1ffffffff0d19077 RSI: 0000000000000001 RDI: ffffffff868c83b8
RBP: ffff8801d017f5f0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801c2b4a2c0
R13: 1ffff1003a02fec6 R14: ffff8801d01700c0 R15: ffff8801d01700c0
 finish_lock_switch kernel/sched/sched.h:1369 [inline]
 finish_task_switch+0x1d3/0x740 kernel/sched/core.c:2666
 context_switch kernel/sched/core.c:2802 [inline]
 __schedule+0x8f3/0x2060 kernel/sched/core.c:3375
 schedule+0xf5/0x430 kernel/sched/core.c:3434
 schedule_hrtimeout_range_clock+0x388/0x460 kernel/time/hrtimer.c:1694
 schedule_hrtimeout_range+0x2a/0x40 kernel/time/hrtimer.c:1751
 ep_poll+0xa04/0x1190 fs/eventpoll.c:1809
 SYSC_epoll_wait fs/eventpoll.c:2183 [inline]
 SyS_epoll_wait+0x167/0x1c0 fs/eventpoll.c:2148
 entry_SYSCALL_64_fastpath+0x23/0x9a
RIP: 0033:0x7fea02912943
RSP: 002b:00007ffda0f474c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8
RAX: ffffffffffffffda RBX: 00000000006990b0 RCX: 00007fea02912943
RDX: 0000000000000008 RSI: 00007ffda0f475c0 RDI: 000000000000000a
RBP: 0000000000000000 R08: 00007fea031fe7a0 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000006990b0 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: ffff8801db207550
---[ end trace 1002f9467ed3a9b9 ]---