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bf68583624
If failed to set link1_1 to netns client, we should delete link1_1 in the cleanup path. But if set link1_1 to netns client successfully, delete link1_1 will report warning. So it will be safer creating directly the devices in the target namespaces. Reported-by: Hangbin Liu <liuhangbin@gmail.com> Closes: https://lore.kernel.org/all/ZNyJx1HtXaUzOkNA@Laptop-X1/ Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com> Acked-by: Hangbin Liu <liuhangbin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
47 lines
1.3 KiB
Bash
Executable File
47 lines
1.3 KiB
Bash
Executable File
#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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#
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# cause kernel oops in bond_rr_gen_slave_id
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DEBUG=${DEBUG:-0}
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set -e
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test ${DEBUG} -ne 0 && set -x
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finish()
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{
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ip netns delete server || true
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ip netns delete client || true
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}
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trap finish EXIT
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client_ip4=192.168.1.198
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server_ip4=192.168.1.254
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# setup kernel so it reboots after causing the panic
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echo 180 >/proc/sys/kernel/panic
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# build namespaces
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ip netns add "server"
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ip netns add "client"
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ip -n client link add eth0 type veth peer name eth0 netns server
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ip netns exec server ip link set dev eth0 up
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ip netns exec server ip addr add ${server_ip4}/24 dev eth0
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ip netns exec client ip link add dev bond0 down type bond mode 1 \
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miimon 100 all_slaves_active 1
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ip netns exec client ip link set dev eth0 down master bond0
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ip netns exec client ip link set dev bond0 up
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ip netns exec client ip addr add ${client_ip4}/24 dev bond0
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ip netns exec client ping -c 5 $server_ip4 >/dev/null
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ip netns exec client ip link set dev eth0 down nomaster
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ip netns exec client ip link set dev bond0 down
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ip netns exec client ip link set dev bond0 type bond mode 0 \
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arp_interval 1000 arp_ip_target "+${server_ip4}"
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ip netns exec client ip link set dev eth0 down master bond0
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ip netns exec client ip link set dev bond0 up
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ip netns exec client ping -c 5 $server_ip4 >/dev/null
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exit 0
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