test-network: add test for ENOBUFS issue #17012

The issue seems already fixed by PR #16982 and its follow-up commit
4934ba2121d76229659939e19ab7d70a89446629.

diff --git a/test/test-network/conf/25-address-static.network b/test/test-network/conf/25-address-static.network
index e9780f2eee257c21478c7f6dc6e83a5c812d1ba3..f8119d13ee789e67f47f93eb77f537e041b8f625 100644 (file)
--- a/test/test-network/conf/25-address-static.network
+++ b/test/test-network/conf/25-address-static.network
@@ -51,3 +51,261 @@ Peer=2001:db8:0:f103::10/128
 
 [Address]
 Address=::/64
+
+# test for ENOBUFS issue #17012
+[Network]
+Address=10.3.3.1/16
+Address=10.3.3.2/16
+Address=10.3.3.3/16
+Address=10.3.3.4/16
+Address=10.3.3.5/16
+Address=10.3.3.6/16
+Address=10.3.3.7/16
+Address=10.3.3.8/16
+Address=10.3.3.9/16
+Address=10.3.3.10/16
+Address=10.3.3.11/16
+Address=10.3.3.12/16
+Address=10.3.3.13/16
+Address=10.3.3.14/16
+Address=10.3.3.15/16
+Address=10.3.3.16/16
+Address=10.3.3.17/16
+Address=10.3.3.18/16
+Address=10.3.3.19/16
+Address=10.3.3.20/16
+Address=10.3.3.21/16
+Address=10.3.3.22/16
+Address=10.3.3.23/16
+Address=10.3.3.24/16
+Address=10.3.3.25/16
+Address=10.3.3.26/16
+Address=10.3.3.27/16
+Address=10.3.3.28/16
+Address=10.3.3.29/16
+Address=10.3.3.30/16
+Address=10.3.3.31/16
+Address=10.3.3.32/16
+Address=10.3.3.33/16
+Address=10.3.3.34/16
+Address=10.3.3.35/16
+Address=10.3.3.36/16
+Address=10.3.3.37/16
+Address=10.3.3.38/16
+Address=10.3.3.39/16
+Address=10.3.3.40/16
+Address=10.3.3.41/16
+Address=10.3.3.42/16
+Address=10.3.3.43/16
+Address=10.3.3.44/16
+Address=10.3.3.45/16
+Address=10.3.3.46/16
+Address=10.3.3.47/16
+Address=10.3.3.48/16
+Address=10.3.3.49/16
+Address=10.3.3.50/16
+Address=10.3.3.51/16
+Address=10.3.3.52/16
+Address=10.3.3.53/16
+Address=10.3.3.54/16
+Address=10.3.3.55/16
+Address=10.3.3.56/16
+Address=10.3.3.57/16
+Address=10.3.3.58/16
+Address=10.3.3.59/16
+Address=10.3.3.60/16
+Address=10.3.3.61/16
+Address=10.3.3.62/16
+Address=10.3.3.63/16
+Address=10.3.3.64/16
+Address=10.3.3.65/16
+Address=10.3.3.66/16
+Address=10.3.3.67/16
+Address=10.3.3.68/16
+Address=10.3.3.69/16
+Address=10.3.3.70/16
+Address=10.3.3.71/16
+Address=10.3.3.72/16
+Address=10.3.3.73/16
+Address=10.3.3.74/16
+Address=10.3.3.75/16
+Address=10.3.3.76/16
+Address=10.3.3.77/16
+Address=10.3.3.78/16
+Address=10.3.3.79/16
+Address=10.3.3.80/16
+Address=10.3.3.81/16
+Address=10.3.3.82/16
+Address=10.3.3.83/16
+Address=10.3.3.84/16
+Address=10.3.3.85/16
+Address=10.3.3.86/16
+Address=10.3.3.87/16
+Address=10.3.3.88/16
+Address=10.3.3.89/16
+Address=10.3.3.90/16
+Address=10.3.3.91/16
+Address=10.3.3.92/16
+Address=10.3.3.93/16
+Address=10.3.3.94/16
+Address=10.3.3.95/16
+Address=10.3.3.96/16
+Address=10.3.3.97/16
+Address=10.3.3.98/16
+Address=10.3.3.99/16
+Address=10.3.3.100/16
+Address=10.3.3.101/16
+Address=10.3.3.101/16
+Address=10.3.3.102/16
+Address=10.3.3.103/16
+Address=10.3.3.104/16
+Address=10.3.3.105/16
+Address=10.3.3.106/16
+Address=10.3.3.107/16
+Address=10.3.3.108/16
+Address=10.3.3.109/16
+Address=10.3.3.110/16
+Address=10.3.3.111/16
+Address=10.3.3.112/16
+Address=10.3.3.113/16
+Address=10.3.3.114/16
+Address=10.3.3.115/16
+Address=10.3.3.116/16
+Address=10.3.3.117/16
+Address=10.3.3.118/16
+Address=10.3.3.119/16
+Address=10.3.3.120/16
+Address=10.3.3.121/16
+Address=10.3.3.122/16
+Address=10.3.3.123/16
+Address=10.3.3.124/16
+Address=10.3.3.125/16
+Address=10.3.3.126/16
+Address=10.3.3.127/16
+Address=10.3.3.128/16
+Address=10.3.3.129/16
+Address=10.3.3.130/16
+Address=10.3.3.131/16
+Address=10.3.3.132/16
+Address=10.3.3.133/16
+Address=10.3.3.134/16
+Address=10.3.3.135/16
+Address=10.3.3.136/16
+Address=10.3.3.137/16
+Address=10.3.3.138/16
+Address=10.3.3.139/16
+Address=10.3.3.140/16
+Address=10.3.3.141/16
+Address=10.3.3.142/16
+Address=10.3.3.143/16
+Address=10.3.3.144/16
+Address=10.3.3.145/16
+Address=10.3.3.146/16
+Address=10.3.3.147/16
+Address=10.3.3.148/16
+Address=10.3.3.149/16
+Address=10.3.3.150/16
+Address=10.3.3.151/16
+Address=10.3.3.152/16
+Address=10.3.3.153/16
+Address=10.3.3.154/16
+Address=10.3.3.155/16
+Address=10.3.3.156/16
+Address=10.3.3.157/16
+Address=10.3.3.158/16
+Address=10.3.3.159/16
+Address=10.3.3.160/16
+Address=10.3.3.161/16
+Address=10.3.3.162/16
+Address=10.3.3.163/16
+Address=10.3.3.164/16
+Address=10.3.3.165/16
+Address=10.3.3.166/16
+Address=10.3.3.167/16
+Address=10.3.3.168/16
+Address=10.3.3.169/16
+Address=10.3.3.170/16
+Address=10.3.3.171/16
+Address=10.3.3.172/16
+Address=10.3.3.173/16
+Address=10.3.3.174/16
+Address=10.3.3.175/16
+Address=10.3.3.176/16
+Address=10.3.3.177/16
+Address=10.3.3.178/16
+Address=10.3.3.179/16
+Address=10.3.3.180/16
+Address=10.3.3.181/16
+Address=10.3.3.182/16
+Address=10.3.3.183/16
+Address=10.3.3.184/16
+Address=10.3.3.185/16
+Address=10.3.3.186/16
+Address=10.3.3.187/16
+Address=10.3.3.188/16
+Address=10.3.3.189/16
+Address=10.3.3.190/16
+Address=10.3.3.191/16
+Address=10.3.3.192/16
+Address=10.3.3.193/16
+Address=10.3.3.194/16
+Address=10.3.3.195/16
+Address=10.3.3.196/16
+Address=10.3.3.197/16
+Address=10.3.3.198/16
+Address=10.3.3.199/16
+Address=10.3.3.200/16
+Address=10.3.3.201/16
+Address=10.3.3.202/16
+Address=10.3.3.203/16
+Address=10.3.3.204/16
+Address=10.3.3.205/16
+Address=10.3.3.206/16
+Address=10.3.3.207/16
+Address=10.3.3.208/16
+Address=10.3.3.209/16
+Address=10.3.3.210/16
+Address=10.3.3.211/16
+Address=10.3.3.212/16
+Address=10.3.3.213/16
+Address=10.3.3.214/16
+Address=10.3.3.215/16
+Address=10.3.3.216/16
+Address=10.3.3.217/16
+Address=10.3.3.218/16
+Address=10.3.3.219/16
+Address=10.3.3.220/16
+Address=10.3.3.221/16
+Address=10.3.3.222/16
+Address=10.3.3.223/16
+Address=10.3.3.224/16
+Address=10.3.3.225/16
+Address=10.3.3.226/16
+Address=10.3.3.227/16
+Address=10.3.3.228/16
+Address=10.3.3.229/16
+Address=10.3.3.230/16
+Address=10.3.3.231/16
+Address=10.3.3.232/16
+Address=10.3.3.233/16
+Address=10.3.3.234/16
+Address=10.3.3.235/16
+Address=10.3.3.236/16
+Address=10.3.3.237/16
+Address=10.3.3.238/16
+Address=10.3.3.239/16
+Address=10.3.3.240/16
+Address=10.3.3.241/16
+Address=10.3.3.242/16
+Address=10.3.3.243/16
+Address=10.3.3.244/16
+Address=10.3.3.245/16
+Address=10.3.3.246/16
+Address=10.3.3.247/16
+Address=10.3.3.248/16
+Address=10.3.3.249/16
+Address=10.3.3.250/16
+Address=10.3.3.251/16
+Address=10.3.3.252/16
+Address=10.3.3.253/16
+Address=10.3.3.254/16

diff --git a/test/test-network/systemd-networkd-tests.py b/test/test-network/systemd-networkd-tests.py
index 838850178e8afd694d09ae3d5e05018ba2bd8ea7..6660ce06afb0495ea409bea33741c82cb845c802 100755 (executable)
--- a/test/test-network/systemd-networkd-tests.py
+++ b/test/test-network/systemd-networkd-tests.py
@@ -1767,6 +1767,10 @@ class NetworkdNetworkTests(unittest.TestCase, Utilities):
         self.assertRegex(output, 'inet 10.1.2.4/16 brd 10.1.255.255 scope global secondary dummy98')
         self.assertRegex(output, 'inet 10.2.2.4/16 brd 10.2.255.255 scope global dummy98')
 
+        # test for ENOBUFS issue #17012
+        for i in range(1,254):
+            self.assertRegex(output, f'inet 10.3.3.{i}/16 brd 10.3.255.255')
+
         # invalid sections
         self.assertNotRegex(output, '10.10.0.1/16')
         self.assertNotRegex(output, '10.10.0.2/16')
@@ -1792,6 +1796,14 @@ class NetworkdNetworkTests(unittest.TestCase, Utilities):
         self.assertRegex(output, 'inet6 2001:db8:0:f103::20 peer 2001:db8:0:f103::10/128 scope global')
         self.assertRegex(output, 'inet6 fd[0-9a-f:]*1/64 scope global')
 
+        restart_networkd()
+        self.wait_online(['dummy98:routable'])
+
+        # test for ENOBUFS issue #17012
+        output = check_output('ip -4 address show dev dummy98')
+        for i in range(1,254):
+            self.assertRegex(output, f'inet 10.3.3.{i}/16 brd 10.3.255.255')
+
     def test_address_preferred_lifetime_zero_ipv6(self):
         copy_unit_to_networkd_unit_path('25-address-preferred-lifetime-zero.network', '12-dummy.netdev')
         start_networkd(5)