From nobody Fri Oct 17 10:31:28 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3F470C4332F for ; Wed, 19 Oct 2022 11:26:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230363AbiJSL0O (ORCPT ); Wed, 19 Oct 2022 07:26:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50668 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230467AbiJSLZx (ORCPT ); Wed, 19 Oct 2022 07:25:53 -0400 Received: from sin.source.kernel.org (sin.source.kernel.org [IPv6:2604:1380:40e1:4800::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 760EF262B; Wed, 19 Oct 2022 03:57:21 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sin.source.kernel.org (Postfix) with ESMTPS id 03842CE21FD; Wed, 19 Oct 2022 09:16:50 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 02FCFC433C1; Wed, 19 Oct 2022 09:16:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1666171008; bh=OjZ0L2KyAgkZPt75DZB7YHk9PytepHMPjogVsy2mw0A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sZjpmTs77JEA7QV8CRa2QbEeGkD6gsKwBp/StyeTEHuKVDpp6KBjHMrZkzcjti9YH 0EOIligLrBV+uw2U/rgP8iMGtYqzeX75EkpRP3bIfA4YUTEmrzQa1AVuBvHwXfE3qM mi6jVgs3hq0HWinBrXaoOQhrZ9BH1jkWMaWFCN+8= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Alexander Aring , "David S. Miller" Subject: [PATCH 6.0 849/862] net: ieee802154: return -EINVAL for unknown addr type Date: Wed, 19 Oct 2022 10:35:36 +0200 Message-Id: <20221019083327.373078021@linuxfoundation.org> X-Mailer: git-send-email 2.38.0 In-Reply-To: <20221019083249.951566199@linuxfoundation.org> References: <20221019083249.951566199@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Alexander Aring commit 30393181fdbc1608cc683b4ee99dcce05ffcc8c7 upstream. This patch adds handling to return -EINVAL for an unknown addr type. The current behaviour is to return 0 as successful but the size of an unknown addr type is not defined and should return an error like -EINVAL. Fixes: 94160108a70c ("net/ieee802154: fix uninit value bug in dgram_sendmsg= ") Signed-off-by: Alexander Aring Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- include/net/ieee802154_netdev.h | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) --- a/include/net/ieee802154_netdev.h +++ b/include/net/ieee802154_netdev.h @@ -185,21 +185,27 @@ static inline int ieee802154_sockaddr_check_size(struct sockaddr_ieee802154 *daddr, int len) { struct ieee802154_addr_sa *sa; + int ret =3D 0; =20 sa =3D &daddr->addr; if (len < IEEE802154_MIN_NAMELEN) return -EINVAL; switch (sa->addr_type) { + case IEEE802154_ADDR_NONE: + break; case IEEE802154_ADDR_SHORT: if (len < IEEE802154_NAMELEN_SHORT) - return -EINVAL; + ret =3D -EINVAL; break; case IEEE802154_ADDR_LONG: if (len < IEEE802154_NAMELEN_LONG) - return -EINVAL; + ret =3D -EINVAL; + break; + default: + ret =3D -EINVAL; break; } - return 0; + return ret; } =20 static inline void ieee802154_addr_from_sa(struct ieee802154_addr *a,