Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b

CPU: 1 PID: 1 Comm: init Not tainted 4.15.0-rc3-next-20171214+ #67
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xe9/0x14b lib/dump_stack.c:53
 panic+0x10e/0x2f8 kernel/panic.c:183
 find_child_reaper kernel/exit.c:578 [inline]
 forget_original_parent kernel/exit.c:674 [inline]
 exit_notify kernel/exit.c:710 [inline]
 do_exit+0x1045/0x1050 kernel/exit.c:889
 do_group_exit+0x60/0x100 kernel/exit.c:972
 get_signal+0x36c/0xad0 kernel/signal.c:2337
 do_signal+0x23/0x670 arch/x86/kernel/signal.c:809
 exit_to_usermode_loop+0x13c/0x160 arch/x86/entry/common.c:161
 prepare_exit_to_usermode+0x102/0x110 arch/x86/entry/common.c:195
 retint_user+0x8/0x18
RIP: 0033:          (null)
RSP: 002b:00007fff3184e8b0 EFLAGS: 00010286
RAX: ffffffffffffffff RBX: 00007f0f1dbf56a0 RCX: ffffffffffffff00
RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000004 R08: 00007fff3184e8b0 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00007fff3184f640 R14: 0000000000000000 R15: 0000000000000000
general protection fault: 0000 [#1] SMP
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 4744 Comm: kworker/u4:6 Not tainted 4.15.0-rc3-next-20171214+ #67
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: netns cleanup_net
RIP: 0010:native_write_cr4+0x4/0x10 arch/x86/include/asm/special_insns.h:76
RSP: 0018:ffff88021fc03fb8 EFLAGS: 00010082
RAX: 0000000000000000 RBX: 0000000000000086 RCX: 0000000000000000
RDX: 00000000001606f0 RSI: 0000000000000001 RDI: 00000000001606f0
RBP: ffff88021fc03fb8 R08: 0000000000000001 R09: ffff88021fc03fdc
R10: ffffc90000fbfdb0 R11: 0000000000000000 R12: 0000000000000001
R13: ffffffff81250e70 R14: ffffffff83081e00 R15: ffffffff83081e00
FS:  0000000000000000(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000619570 CR3: 000000000301e002 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]
 cpu_vmxoff arch/x86/include/asm/virtext.h:44 [inline]
 __cpu_emergency_vmxoff arch/x86/include/asm/virtext.h:59 [inline]
 cpu_emergency_vmxoff arch/x86/include/asm/virtext.h:67 [inline]
 smp_reboot_interrupt+0xe2/0x180 arch/x86/kernel/smp.c:179
 reboot_interrupt+0xa9/0xb0 arch/x86/entry/entry_64.S:913
 </IRQ>
RIP: 0010:__read_once_size include/linux/compiler.h:183 [inline]
RIP: 0010:csd_lock_wait kernel/smp.c:108 [inline]
RIP: 0010:smp_call_function_single+0xed/0x170 kernel/smp.c:302
RSP: 0018:ffffc90000fbfd40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff07
RAX: 0000000000000003 RBX: 0000000000000000 RCX: ffffffff8127b3f8
RDX: 0000000000000000 RSI: 00000000000000fb RDI: 0000000000000830
RBP: ffffc90000fbfd90 R08: 0000000000000001 R09: 0000000000000001
R10: ffffc90000fbfdb0 R11: 0000000000000000 R12: 0000000000000001
R13: ffffffff81250e70 R14: ffffffff83081e00 R15: ffffffff83081e00
 _rcu_barrier+0x10d/0x190 kernel/rcu/tree.c:3567
 rcu_barrier_sched kernel/rcu/tree.c:3607 [inline]
 rcu_barrier+0x10/0x20 kernel/rcu/tree_plugin.h:913
 cleanup_net+0x282/0x350 net/core/net_namespace.c:495
 process_one_work+0x288/0x7a0 kernel/workqueue.c:2112
 worker_thread+0x43/0x4d0 kernel/workqueue.c:2246
 kthread+0x149/0x170 kernel/kthread.c:238
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:524
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: ffff88021fc03fb8
---[ end trace 3f5947841c0f6e88 ]---
Shutting down cpus with NMI
invalid opcode: 0000 [#2] SMP
Dumping ftrace buffer:
   (ftrace buffer em[pt  y )4
Kernel Offset: disabled
---[ end trace 3f5947841c0f6e89 ]---
Rebooting in 86400 seconds..