CPU: 0 PID: 1 Comm: init Not tainted 4.13.0-rc4+ #24 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:52 panic+0x1e4/0x417 kernel/panic.c:180 find_child_reaper kernel/exit.c:578 [inline] forget_original_parent+0x133d/0x1b90 kernel/exit.c:670 exit_notify+0x11f/0xb10 kernel/exit.c:706 do_exit+0xa69/0x1b10 kernel/exit.c:887 do_group_exit+0x149/0x400 kernel/exit.c:969 get_signal+0x7e8/0x17e0 kernel/signal.c:2330 do_signal+0x94/0x1ee0 arch/x86/kernel/signal.c:808 exit_to_usermode_loop+0x21c/0x2d0 arch/x86/entry/common.c:157 prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline] syscall_return_slowpath+0x3a7/0x450 arch/x86/entry/common.c:263 entry_SYSCALL_64_fastpath+0xbc/0xbe RIP: 0033:0x7f09e08ccdd3 RSP: 002b:00007ffde77455e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000017 RAX: fffffffffffffdfe RBX: 00007ffde7745790 RCX: 00007f09e08ccdd3 RDX: 0000000000000000 RSI: 00007ffde7745940 RDI: 000000000000000b RBP: 00007ffde7745940 R08: 00007ffde77459c0 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00007ffde7745d20 R14: 0000000000000000 R15: 0000000000000000 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..