From patchwork Thu Apr 15 14:47:28 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 422432 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=ham 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 D04B6C433ED for ; Thu, 15 Apr 2021 14:50:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B79BD613DF for ; Thu, 15 Apr 2021 14:50:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233916AbhDOOvL (ORCPT ); Thu, 15 Apr 2021 10:51:11 -0400 Received: from mail.kernel.org ([198.145.29.99]:38160 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233966AbhDOOuj (ORCPT ); Thu, 15 Apr 2021 10:50:39 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id A8879613A9; Thu, 15 Apr 2021 14:50:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1618498216; bh=WeAf/h21/LUHtiPVXhIH+z3esw1hDG2GpVzfne3IAlM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HNRkFa4vh7zgkyWUkQsE4JxLBSsxvjPOCcLGlmCvzOP5PM0RYqWBsTVpgLdRjCA1I zMlCe3ecUR7JsPBdpoynbBNzyq6Bs3S1FowBiwF8AxTDy+h9/ZrxODygKGeDQbWKya OV/HKQu8VwLCsUHIgjyrL6PH/t0KUoJcfV8lqHnY= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, syzbot+cde43a581a8e5f317bc2@syzkaller.appspotmail.com, Alexander Aring , Stefan Schmidt Subject: [PATCH 4.4 34/38] net: ieee802154: stop dump llsec params for monitors Date: Thu, 15 Apr 2021 16:47:28 +0200 Message-Id: <20210415144414.462327376@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210415144413.352638802@linuxfoundation.org> References: <20210415144413.352638802@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Alexander Aring commit 1534efc7bbc1121e92c86c2dabebaf2c9dcece19 upstream. This patch stops dumping llsec params for monitors which we don't support yet. Otherwise we will access llsec mib which isn't initialized for monitors. Reported-by: syzbot+cde43a581a8e5f317bc2@syzkaller.appspotmail.com Signed-off-by: Alexander Aring Link: https://lore.kernel.org/r/20210405003054.256017-16-aahringo@redhat.com Signed-off-by: Stefan Schmidt Signed-off-by: Greg Kroah-Hartman --- net/ieee802154/nl802154.c | 5 +++++ 1 file changed, 5 insertions(+) --- a/net/ieee802154/nl802154.c +++ b/net/ieee802154/nl802154.c @@ -843,8 +843,13 @@ nl802154_send_iface(struct sk_buff *msg, goto nla_put_failure; #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL + if (wpan_dev->iftype == NL802154_IFTYPE_MONITOR) + goto out; + if (nl802154_get_llsec_params(msg, rdev, wpan_dev) < 0) goto nla_put_failure; + +out: #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */ genlmsg_end(msg, hdr);