netns: Add a limit on the number of net namespaces
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index 0933c74..fc4f757 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -60,6 +60,7 @@
struct list_head exit_list; /* Use only net_mutex */
struct user_namespace *user_ns; /* Owning user namespace */
+ struct ucounts *ucounts;
spinlock_t nsid_lock;
struct idr netns_ids;