diff --git a/net/bluetooth/iso.c b/net/bluetooth/iso.c
index aa2ce78f56a2..75bfd5938b2e 100644
--- a/net/bluetooth/iso.c
+++ b/net/bluetooth/iso.c
@@ -2277,6 +2277,14 @@ static void iso_conn_ready(struct iso_conn *conn)
 
 		lock_sock(parent);
 
+		/* The listener may have been closed concurrently. */
+		if (parent->sk_state != BT_LISTEN ||
+		    sock_flag(parent, SOCK_ZAPPED)) {
+			release_sock(parent);
+			sock_put(parent);
+			return;
+		}
+
 		sk = iso_sock_alloc(sock_net(parent), NULL,
 				    BTPROTO_ISO, GFP_ATOMIC, 0);
 		if (!sk) {