#!/bin/sh # SPDX-License-Identifier: GPL-2.0 # # cause kernel oops in bond_rr_gen_slave_id DEBUG=${DEBUG:-0} set -e test ${DEBUG} -ne 0 && set -x finish() { ip netns delete server || true ip netns delete client || true } trap finish EXIT client_ip4=192.168.1.198 server_ip4=192.168.1.254 # setup kernel so it reboots after causing the panic echo 180 >/proc/sys/kernel/panic # build namespaces ip netns add "server" ip netns add "client" ip -n client link add eth0 type veth peer name eth0 netns server ip netns exec server ip link set dev eth0 up ip netns exec server ip addr add ${server_ip4}/24 dev eth0 ip netns exec client ip link add dev bond0 down type bond mode 1 \ miimon 100 all_slaves_active 1 ip netns exec client ip link set dev eth0 down master bond0 ip netns exec client ip link set dev bond0 up ip netns exec client ip addr add ${client_ip4}/24 dev bond0 ip netns exec client ping -c 5 $server_ip4 >/dev/null ip netns exec client ip link set dev eth0 down nomaster ip netns exec client ip link set dev bond0 down ip netns exec client ip link set dev bond0 type bond mode 0 \ arp_interval 1000 arp_ip_target "+${server_ip4}" ip netns exec client ip link set dev eth0 down master bond0 ip netns exec client ip link set dev bond0 up ip netns exec client ping -c 5 $server_ip4 >/dev/null exit 0