tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
selftests: bonding: cause oops in bond_rr_gen_slave_id
This bonding selftest used to cause a kernel oops on aarch64
and should be architectures agnostic.
Signed-off-by: Jonathan Toppins <jtoppins@redhat.com>
Acked-by: Jay Vosburgh <jay.vosburgh@canonical.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
authored by
Jonathan Toppins
and committed by
Jakub Kicinski
2ffd5732
0e400d60
+51
-1
+2
-1
tools/testing/selftests/drivers/net/bonding/Makefile
+2
-1
tools/testing/selftests/drivers/net/bonding/Makefile
+49
tools/testing/selftests/drivers/net/bonding/bond-arp-interval-causes-panic.sh
+49
tools/testing/selftests/drivers/net/bonding/bond-arp-interval-causes-panic.sh
···
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#!/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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ip link del link1_1 || 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 link add dev link1_1 type veth peer name link1_2
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ip netns add "server"
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ip link set dev link1_2 netns server up name eth0
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ip netns exec server ip addr add ${server_ip4}/24 dev eth0
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ip netns add "client"
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ip link set dev link1_1 netns client down name 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