static int brcmf_cfg80211_del_ap_iface(struct wiphy *wiphy,
				       struct wireless_dev *wdev)
{
	struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy);
	struct net_device *ndev = wdev->netdev;
	struct brcmf_if *ifp = netdev_priv(ndev);
	int ret;
	int err;

	brcmf_cfg80211_arm_vif_event(cfg, ifp->vif);

	err = brcmf_fil_bsscfg_data_set(ifp, "interface_remove", NULL, 0);
	if (err) {
		brcmf_err("interface_remove failed %d\n", err);
		goto err_unarm;
	}

	/* wait for firmware event */
	ret = brcmf_cfg80211_wait_vif_event(cfg, BRCMF_E_IF_DEL,
					    BRCMF_VIF_EVENT_TIMEOUT);
	if (!ret) {
		brcmf_err("timeout occurred\n");
		err = -EIO;
		goto err_unarm;
	}

	brcmf_remove_interface(ifp, true);

err_unarm:
	brcmf_cfg80211_arm_vif_event(cfg, NULL);
	return err;
}

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.