Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b CPU: 0 PID: 1 Comm: init Not tainted 4.15.0-rc4+ #227 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+0x194/0x257 lib/dump_stack.c:53 panic+0x1e4/0x41c kernel/panic.c:183 find_child_reaper kernel/exit.c:578 [inline] forget_original_parent+0x1337/0x1b90 kernel/exit.c:670 exit_notify+0x11f/0xb10 kernel/exit.c:706 do_exit+0x9f2/0x1ad0 kernel/exit.c:885 do_group_exit+0x149/0x400 kernel/exit.c:968 get_signal+0x73f/0x16c0 kernel/signal.c:2335 do_signal+0x94/0x1ee0 arch/x86/kernel/signal.c:809 exit_to_usermode_loop+0x214/0x310 arch/x86/entry/common.c:158 prepare_exit_to_usermode+0x2e1/0x340 arch/x86/entry/common.c:195 retint_user+0x8/0x18 RIP: 0033: (null) RSP: 002b:00007ffe3cd56f30 EFLAGS: 00010286 RAX: ffffffffffffffff RBX: 00007f1a67ec06a0 RCX: ffffffffffffff00 RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000004 R08: 00007ffe3cd56f30 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00007ffe3cd57ce0 R14: 0000000000000000 R15: 0000000000000000 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: 14961 Comm: syz-executor6 Not tainted 4.15.0-rc4+ #227 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:ffff8801db507e88 EFLAGS: 00010082 RAX: dffffc0000000000 RBX: 00000000001606e0 RCX: 0000000000000001 RDX: 1ffffffff0bd9034 RSI: 0000000000000000 RDI: 00000000001606e0 RBP: ffff8801db507e88 R08: ffff8801db507f40 R09: ffff8801db507f80 R10: ffff8801aff76c80 R11: 0000000000000004 R12: 0000000000000082 R13: 1ffff1003b6a0fd4 R14: ffff8801ce3dc280 R15: ffff8801db507fc0 FS: 00007ff08db74700(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001e5c008 CR3: 0000000005e22003 CR4: 00000000001626e0 Call Trace: __write_cr4 arch/x86/include/asm/paravirt.h:76 [inline] __cr4_set arch/x86/include/asm/tlbflush.h:180 [inline] cr4_clear_bits arch/x86/include/asm/tlbflush.h:203 [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+0x3ea/0x510 arch/x86/kernel/smp.c:179 reboot_interrupt+0x9d/0xb0 arch/x86/entry/entry_64.S:788 RIP: 0010:rep_nop arch/x86/include/asm/processor.h:636 [inline] RIP: 0010:cpu_relax arch/x86/include/asm/processor.h:641 [inline] RIP: 0010:csd_lock_wait kernel/smp.c:108 [inline] RIP: 0010:smp_call_function_single+0x364/0x560 kernel/smp.c:302 RSP: 0018:ffff8801aff76b00 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff07 RAX: ffff8801ce3dc280 RBX: 1ffff10035feed68 RCX: ffffffff8164b222 RDX: 0000000000000000 RSI: 1ffff10035feed30 RDI: ffff8801aff76bf8 RBP: ffff8801aff76c50 R08: ffffffff810632bc R09: 0000000000000004 R10: ffff8801aff76c80 R11: 0000000000000004 R12: ffff8801aff76bf8 R13: dffffc0000000000 R14: 0000000000000000 R15: ffffed0035feed74 loaded_vmcs_clear arch/x86/kvm/vmx.c:1584 [inline] vmx_vcpu_load+0xa66/0xdd0 arch/x86/kvm/vmx.c:2272 kvm_arch_vcpu_load+0x1c1/0x890 arch/x86/kvm/x86.c:2863 vcpu_load+0x4b/0x70 arch/x86/kvm/../../../virt/kvm/kvm_main.c:162 kvm_unload_vcpu_mmu arch/x86/kvm/x86.c:8172 [inline] kvm_free_vcpus arch/x86/kvm/x86.c:8188 [inline] kvm_arch_destroy_vm+0x25a/0x990 arch/x86/kvm/x86.c:8290 kvm_destroy_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:734 [inline] kvm_put_kvm+0x695/0xdf0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:755 kvm_vm_release+0x42/0x50 arch/x86/kvm/../../../virt/kvm/kvm_main.c:766 __fput+0x327/0x7e0 fs/file_table.c:210 ____fput+0x15/0x20 fs/file_table.c:244 task_work_run+0x199/0x270 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x9bb/0x1ad0 kernel/exit.c:865 do_group_exit+0x149/0x400 kernel/exit.c:968 get_signal+0x73f/0x16c0 kernel/signal.c:2335 do_signal+0x94/0x1ee0 arch/x86/kernel/signal.c:809 exit_to_usermode_loop+0x214/0x310 arch/x86/entry/common.c:158 prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline] syscall_return_slowpath+0x490/0x550 arch/x86/entry/common.c:264 entry_SYSCALL_64_fastpath+0x94/0x96 RIP: 0033:0x452a09 RSP: 002b:00007ff08db73c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000001 RBX: 000000000071bea0 RCX: 0000000000452a09 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 000000000071becc RBP: 000000000000021e R08: 0000000000000000 R09: 000000000000021e R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006f0370 R13: 00000000ffffffff R14: 00007ff08db746d4 R15: 0000000000000000 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: ffff8801db507e88 ---[ end trace 8092832bb762b2ab ]--- Shutting down cpus with NMI invalid opcode: 0000 [#2] SMP KASAN Dumping ftrace buffer: (ftra[l in21ke7.d 0i17n:1 17 ---[ end trace 8092832bb762b2ac ]---