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authorJonathan Toppins <jtoppins@redhat.com>2022-09-20 13:45:51 -0400
committerJakub Kicinski <kuba@kernel.org>2022-09-22 06:39:40 -0700
commit2ffd57327ff1e91ad675c1efd5f02a3d786e64d1 (patch)
treeb07036217baa9210b095571b5316664e0077a665 /tools
parent0e400d602f46360752e4b32ce842dba3808e15e6 (diff)
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>
Diffstat (limited to 'tools')
-rw-r--r--tools/testing/selftests/drivers/net/bonding/Makefile3
-rwxr-xr-xtools/testing/selftests/drivers/net/bonding/bond-arp-interval-causes-panic.sh49
2 files changed, 51 insertions, 1 deletions
diff --git a/tools/testing/selftests/drivers/net/bonding/Makefile b/tools/testing/selftests/drivers/net/bonding/Makefile
index 0f9659407969..1d866658e541 100644
--- a/tools/testing/selftests/drivers/net/bonding/Makefile
+++ b/tools/testing/selftests/drivers/net/bonding/Makefile
@@ -2,7 +2,8 @@
# Makefile for net selftests
TEST_PROGS := bond-break-lacpdu-tx.sh \
- dev_addr_lists.sh
+ dev_addr_lists.sh \
+ bond-arp-interval-causes-panic.sh
TEST_FILES := lag_lib.sh
diff --git a/tools/testing/selftests/drivers/net/bonding/bond-arp-interval-causes-panic.sh b/tools/testing/selftests/drivers/net/bonding/bond-arp-interval-causes-panic.sh
new file mode 100755
index 000000000000..71c00bfafbc9
--- /dev/null
+++ b/tools/testing/selftests/drivers/net/bonding/bond-arp-interval-causes-panic.sh
@@ -0,0 +1,49 @@
+#!/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
+ ip link del link1_1 || 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 link add dev link1_1 type veth peer name link1_2
+
+ip netns add "server"
+ip link set dev link1_2 netns server up name eth0
+ip netns exec server ip addr add ${server_ip4}/24 dev eth0
+
+ip netns add "client"
+ip link set dev link1_1 netns client down name 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