guest kernel crashed when hyperstart handle SETUPROUTE without network #343
Description
While hyperstart try to run command to setup route, the guest kernel will crash:
hyper_ctlmsg_handle SETUPROUTE
init[1]: unhandled level 2 translation fault (11) at 0x00000000, esr 0x92000006
pgd = ffffffc005767000
[00000000] *pgd=0000000085769003, *pud=0000000085769003
, *pmd=0000000000000000
CPU: 0 PID: 1 Comm: init Not tainted 4.9.36 #3
Hardware name: linux,dummy-virt (DT)
task: ffffffc00744ad00 task.stack: ffffffc00744c000
PC is at 0x406ba8
LR is at 0x4079f0
pc : [<0000000000406ba8>] lr : [<00000000004079f0>] pstate: 60000000
sp : 0000007ffec98cb0
x29: 0000007ffec98cb0 x28: 0000000000000000
x27: 000000000042c000 x26: 000000002f2131c0
x25: 0000000000000015 x24: 0000000000416000
x23: 000000000042c000 x22: 0000007ffec99170
x21: 000000000042c000 x20: 000000000042c000
x19: 0000000000000000 x18: 0000000000000001
x17: 0000007f95058988 x16: 000000000042c2a8
x15: 0000000000000001 x14: 0000000000000003
x13: 0000000000417b58 x12: 00000000ffffffff
x11: 000000000000000a x10: 0000000000000000
x9 : 0000000000000001 x8 : 00000000ffffffff
x7 : 0000000000000002 x6 : 000000002f2131d0
x5 : 0000000000000001 x4 : 0000000000000001
x3 : 0000000000000000 x2 : 000000000042c448
x1 : 000000000042c640 x0 : 0000000000000000
Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
CPU: 0 PID: 1 Comm: init Not tainted 4.9.36 #3
Hardware name: linux,dummy-virt (DT)
Call trace:
[] dump_backtrace+0x0/0x198
[] show_stack+0x14/0x20
[] dump_stack+0x94/0xb8
[] panic+0x110/0x258
[] complete_and_exit+0x0/0x20
[] do_group_exit+0x38/0xa8
[] get_signal+0x234/0x4d0
[] do_signal+0x354/0x508
[] do_notify_resume+0x90/0xb0
[] work_pending+0x8/0x10
Kernel Offset: disabled
Memory Limit: none
---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
E0904 15:08:58.579042 2185 network.go:184] rpc error: code = Internal desc = transport is closing
E0904 15:09:58.939408 2185 vm_states.go:246] SB[vm-hBJcxNbNru] Shutting down because of an exception: %!(EXTRA string=Destroy pod failed: &grpc.rpcError{code:0xe, desc:"grpc: the connection is unavailable"})
Create new container failed: rpc error: code = Internal desc = transport is closing
We have created a PR# #342 to fix this issue.