From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 34346C433B4 for ; Mon, 19 Apr 2021 13:25:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1607F6113C for ; Mon, 19 Apr 2021 13:25:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241514AbhDSN0K (ORCPT ); Mon, 19 Apr 2021 09:26:10 -0400 Received: from mail.kernel.org ([198.145.29.99]:56986 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241153AbhDSNUC (ORCPT ); Mon, 19 Apr 2021 09:20:02 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id AD0C8613DF; Mon, 19 Apr 2021 13:15:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1618838141; bh=n/psE5//e7MVSbrLnfMHWjNT60Q7bSFQ4VTxo3FOOvA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=wr0+98dsgS2RnbL/OkwHUZpBgxuO14yGI7FOSFakZflQGy+h3cnwN+aSuhYDVCdeo B2RCA2XNu05OrNQfLgKTzUWAevq9tpkeGHnA7AT9nQePOQBSS/MagXZEeV17hz2WxV a48830C/njnYmvVFIqDgR084IPWHJoNytUJLVgYc= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Alexander Aring , Stefan Schmidt , Sasha Levin Subject: [PATCH 5.10 040/103] net: ieee802154: forbid monitor for add llsec seclevel Date: Mon, 19 Apr 2021 15:05:51 +0200 Message-Id: <20210419130529.181433733@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210419130527.791982064@linuxfoundation.org> References: <20210419130527.791982064@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Alexander Aring [ Upstream commit 9ec87e322428d4734ac647d1a8e507434086993d ] This patch forbids to add llsec seclevel for monitor interfaces which we don't support yet. Otherwise we will access llsec mib which isn't initialized for monitors. Signed-off-by: Alexander Aring Link: https://lore.kernel.org/r/20210405003054.256017-14-aahringo@redhat.com Signed-off-by: Stefan Schmidt Signed-off-by: Sasha Levin --- net/ieee802154/nl802154.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c index 10fc37e45e2b..f0b47d43c9f6 100644 --- a/net/ieee802154/nl802154.c +++ b/net/ieee802154/nl802154.c @@ -2120,6 +2120,9 @@ static int nl802154_add_llsec_seclevel(struct sk_buff *skb, struct wpan_dev *wpan_dev = dev->ieee802154_ptr; struct ieee802154_llsec_seclevel sl; + if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR) + return -EOPNOTSUPP; + if (llsec_parse_seclevel(info->attrs[NL802154_ATTR_SEC_LEVEL], &sl) < 0) return -EINVAL; -- 2.30.2