[NETNS][IPV6] proc - protect snmp6 from non-init_net calls

This patchset avoids creation of the /proc entry for snmp6 when the call is made from a network namespace different from the init_net. Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
git-mirror · Mar 5, 2008 · 300bf59 · 300bf59
1 parent 075de93
commit 300bf59
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
@@ -220,6 +220,9 @@ int snmp6_register_dev(struct inet6_dev *idev)
 	if (!idev || !idev->dev)
 		return -EINVAL;
 
+	if (idev->dev->nd_net != &init_net)
+		return 0;
+
 	if (!proc_net_devsnmp6)
 		return -ENOENT;