Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b CPU: 1 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:00007ffcde40a0f0 EFLAGS: 00010286 RAX: ffffffffffffffff RBX: 00007fe4d95366a0 RCX: ffffffffffffff00 RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000004 R08: 00007ffcde40a0f0 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00007ffcde40ae90 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: 0 PID: 3559 Comm: syz-executor7 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:ffff8801db407e88 EFLAGS: 00010082 RAX: dffffc0000000000 RBX: 00000000001606f0 RCX: 0000000000000001 RDX: 1ffffffff0bd9034 RSI: 0000000000000000 RDI: 00000000001606f0 RBP: ffff8801db407e88 R08: ffff8801db407f40 R09: ffff8801db407f80 R10: ffff8801c0edea38 R11: 0000000000000000 R12: 0000000000000082 R13: 1ffff1003b680fd4 R14: ffff8801c0594480 R15: ffff8801db407fc0 FS: 00007efefbfa5700(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000625208 CR3: 0000000005e22005 CR4: 00000000001626f0 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:ffff8801c0ede8c0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff07 RAX: ffff8801c0594480 RBX: 1ffff100381dbd20 RCX: ffffffff8164b222 RDX: 0000000000000000 RSI: 1ffff100381dbce8 RDI: ffff8801c0ede9b8 RBP: ffff8801c0edea10 R08: 1ffff100381dbd37 R09: 0000000000000001 R10: ffff8801c0edea38 R11: 0000000000000000 R12: ffff8801c0ede9b8 R13: dffffc0000000000 R14: 0000000000000000 R15: ffffed00381dbd2c smp_call_function_many+0x773/0x930 kernel/smp.c:434 smp_call_function kernel/smp.c:492 [inline] on_each_cpu+0x3d/0x1b0 kernel/smp.c:602 text_poke_bp+0xbb/0x170 arch/x86/kernel/alternative.c:807 __jump_label_transform.isra.0+0x6a5/0x8a0 arch/x86/kernel/jump_label.c:102 arch_jump_label_transform+0x2f/0x40 arch/x86/kernel/jump_label.c:110 __jump_label_update+0x207/0x2d0 kernel/jump_label.c:368 jump_label_update+0x22c/0x2b0 kernel/jump_label.c:735 static_key_slow_dec_cpuslocked+0x176/0x1d0 kernel/jump_label.c:204 __static_key_slow_dec kernel/jump_label.c:214 [inline] static_key_slow_dec+0x56/0x90 kernel/jump_label.c:228 kvm_arch_vcpu_uninit+0x18e/0x1d0 arch/x86/kvm/x86.c:8124 kvm_vcpu_uninit+0x44/0x90 arch/x86/kvm/../../../virt/kvm/kvm_main.c:318 vmx_free_vcpu+0x1ce/0x280 arch/x86/kvm/vmx.c:9578 kvm_arch_vcpu_free arch/x86/kvm/x86.c:7739 [inline] kvm_free_vcpus arch/x86/kvm/x86.c:8191 [inline] kvm_arch_destroy_vm+0x4b4/0x990 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: 0033:0x452897 RSP: 002b:00007efefbfa3078 EFLAGS: 00000217 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: 0000000000000018 RCX: 0000000000452897 RDX: 00007efefbfa36d0 RSI: 000000008138ae83 RDI: 0000000000000018 RBP: 0000000020866000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000017 R11: 0000000000000217 R12: 00000000fec00000 R13: 0000000000000017 R14: 00007efefbfa56d4 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: ffff8801db407e88 ---[ end trace 6211427412f57937 ]--- Shutting down cpus with NMI invalid opcode: 0000 [#2] SMP KASAN Dumping ftrace buffer: (ft[r l i2n5ke.d63 i8n91: 7] Rebooting in 86400 seconds.. ---[ end trace 6211427412f57938 ]---