The branch main has been updated by kp:
URL:
https://cgit.FreeBSD.org/src/commit/?id=e86469075c5e391cc86e5bcd4f252712a69de37e
commit e86469075c5e391cc86e5bcd4f252712a69de37e
Author: Kristof Provost <k...@freebsd.org>
AuthorDate: 2021-08-17 14:19:29 +0000
Commit: Kristof Provost <k...@freebsd.org>
CommitDate: 2021-08-17 15:01:21 +0000
netinet tests: delete an interface with pending lookups
This has been known to trigger panics. It currently doesn't, but we may
as well have a test for it.
MFC after: 1 week
Sponsored by: Rubicon Communications, LLC ("Netgate")
---
tests/sys/netinet/arp.sh | 36 ++++++++++++++++++++++++++++++++++++
1 file changed, 36 insertions(+)
diff --git a/tests/sys/netinet/arp.sh b/tests/sys/netinet/arp.sh
index 8b5b30911314..b909b9a48fb3 100755
--- a/tests/sys/netinet/arp.sh
+++ b/tests/sys/netinet/arp.sh
@@ -85,12 +85,48 @@ arp_del_success_cleanup() {
vnet_cleanup
}
+atf_test_case "pending_delete_if" "cleanup"
+pending_delete_if_head() {
+ atf_set descr 'Test having pending link layer lookups on interface
delete'
+ atf_set require.user root
+}
+
+pending_delete_if_body() {
+ vnet_init
+
+ jname="arp_pending_delete_if"
+ epair=$(vnet_mkepair)
+
+ ifconfig ${epair}b up
+
+ vnet_mkjail ${jname} ${epair}a
+ jexec ${jname} ifconfig ${epair}a 198.51.100.1/24
+ for i in `seq 2 200`
+ do
+ jexec ${jname} ping 198.51.100.${i} &
+ done
+
+ # Give the ping processes time to send their ARP requests
+ sleep 1
+
+ jexec ${jname} arp -an
+ jexec ${jname} killall ping
+
+ # Delete the interface. Test failure panics the machine.
+ ifconfig ${epair}b destroy
+}
+
+pending_delete_if_cleanup() {
+ vnet_cleanup
+}
+
atf_init_test_cases()
{
atf_add_test_case "arp_add_success"
atf_add_test_case "arp_del_success"
+ atf_add_test_case "pending_delete_if"
}
# end
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