1 files changed, 1 insertions, 0 deletions

diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index f2aabb6f4105..5a55be3f17a5 100644
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -142,6 +142,7 @@ int genl_register_mc_group(struct genl_family *family,
         int err = 0;
 
         BUG_ON(grp->name[0] == '\0');
+        BUG_ON(memchr(grp->name, '\0', GENL_NAMSIZ) == NULL);
 
         genl_lock();