diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index b106e5fef9cb..dad416fdc585 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -5902,6 +5902,8 @@ static int rt6_fill_node(struct net *net, struct sk_buff *skb,
 
 				goto nla_put_failure;
 			}
+			if (!READ_ONCE(rt->fib6_nsiblings))
+				break;
 		}
 
 		rcu_read_unlock();