bridge: make sure objects belong to container's owner
When creating various bridge objects in /sys/class/net/... make sure
that they belong to the container's owner instead of global root (if
they belong to a container/namespace).
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index 05e42d8..e7c8d55 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -26,6 +26,7 @@
#include <net/sock.h>
#include <linux/if_vlan.h>
#include <net/switchdev.h>
+#include <net/net_namespace.h>
#include "br_private.h"
@@ -204,11 +205,19 @@ static void release_nbp(struct kobject *kobj)
kfree(p);
}
+static void brport_get_ownership(struct kobject *kobj, kuid_t *uid, kgid_t *gid)
+{
+ struct net_bridge_port *p = kobj_to_brport(kobj);
+
+ net_ns_get_ownership(dev_net(p->dev), uid, gid);
+}
+
static struct kobj_type brport_ktype = {
#ifdef CONFIG_SYSFS
.sysfs_ops = &brport_sysfs_ops,
#endif
.release = release_nbp,
+ .get_ownership = brport_get_ownership,
};
static void destroy_nbp(struct net_bridge_port *p)