diff --git a/kernel/bpf/states.c b/kernel/bpf/states.c
index 5945956a7573..06d9ae24f006 100644
--- a/kernel/bpf/states.c
+++ b/kernel/bpf/states.c
@@ -890,6 +890,9 @@ static bool refsafe(struct bpf_verifier_state *old, struct bpf_verifier_state *c
 			return false;
 		switch (old->refs[i].type) {
 		case REF_TYPE_PTR:
+			if (!check_ids(old->refs[i].parent_id, cur->refs[i].parent_id, idmap))
+				return false;
+			break;
 		case REF_TYPE_IRQ:
 			break;
 		case REF_TYPE_LOCK: