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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 01459C7618B for ; Fri, 26 Jul 2019 11:06:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D0C8C2166E for ; Fri, 26 Jul 2019 11:06:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726709AbfGZLGo (ORCPT ); Fri, 26 Jul 2019 07:06:44 -0400 Received: from s3.sipsolutions.net ([144.76.43.62]:47286 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725953AbfGZLGo (ORCPT ); Fri, 26 Jul 2019 07:06:44 -0400 Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1hqy3f-0001Xs-Km; Fri, 26 Jul 2019 13:06:43 +0200 Message-ID: <0cc7d0c578b60730e77ecd03e2df240dd1b393a0.camel@sipsolutions.net> Subject: Re: [PATCH] mac80211: reject zero MAC address in add station From: Johannes Berg To: Karthikeyan Periyasamy Cc: linux-wireless@vger.kernel.org Date: Fri, 26 Jul 2019 13:06:42 +0200 In-Reply-To: <1563959770-21570-1-git-send-email-periyasa@codeaurora.org> References: <1563959770-21570-1-git-send-email-periyasa@codeaurora.org> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.30.5 (3.30.5-1.fc29) MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org On Wed, 2019-07-24 at 14:46 +0530, Karthikeyan Periyasamy wrote: > Don't allow using a zero MAC address as the station > MAC address. so validated the MAC address using > is_valid_ether_addr. Theoretically, all zeroes might have been a valid address at some point. I see no reason not to reject it, but I'd like to know why you ended up with this now?? johannes