diff --git a/kernel/taskstats.c b/kernel/taskstats.c
index 610f0838d555393a08de2ac740d31fa05d8bafa9..145bb4d3bd4d9569fb38b33d9afe3496325a6a57 100644
--- a/kernel/taskstats.c
+++ b/kernel/taskstats.c
@@ -445,6 +445,7 @@ static int cgroupstats_user_cmd(struct sk_buff *skb, struct genl_info *info)
 	na = nla_reserve(rep_skb, CGROUPSTATS_TYPE_CGROUP_STATS,
 				sizeof(struct cgroupstats));
 	if (na == NULL) {
+		nlmsg_free(rep_skb);
 		rc = -EMSGSIZE;
 		goto err;
 	}