Merge "netfilter: nfnetlink: correctly validate length of batch messages"

		nlh = nlmsg_hdr(skb);

		err = 0;

		if (nlmsg_len(nlh) < sizeof(struct nfgenmsg) ||

		    skb->len < nlh->nlmsg_len) {

			err = -EINVAL;

			goto ack;

		if (nlh->nlmsg_len < NLMSG_HDRLEN ||

		    skb->len < nlh->nlmsg_len ||

		    nlmsg_len(nlh) < sizeof(struct nfgenmsg)) {

			nfnl_err_reset(&err_list);

			success = false;

			goto done;

		}

		/* Only requests are handled by the kernel */