From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 54E5A101C1 for ; Mon, 3 Jul 2023 21:12:06 +0000 (UTC) Received: from mail-io1-xd2c.google.com (mail-io1-xd2c.google.com [IPv6:2607:f8b0:4864:20::d2c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0A22BE5B; Mon, 3 Jul 2023 14:12:05 -0700 (PDT) Received: by mail-io1-xd2c.google.com with SMTP id ca18e2360f4ac-78360b822abso196709239f.2; Mon, 03 Jul 2023 14:12:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1688418724; x=1691010724; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=c0EoX2DheebN94bt0rFrXPITU8dcwd8m1uYfEeNrV7c=; b=iQLJZVNh9bIwOw+2iuKcGUN+cTi274XOHrQU3XI/VjN9FtcxsrB9c66omYyrugnM+E pTqi8Url9RRsPDe5Fg31A5Lc5FhwOLeTNWTLBVO6cqp9e9WqK7nydfA8qzeWKo4ZNROl io/fmExXuRCxn5swlIEDksXN9mAN2ATKZXnOiNbxnsWEUjiLX1Rr2ov6dbxxpActNidI SNF+EpGIzLxllvqmDSqjADEO8X0oYtzWjhWX+OvnN/O9OkUBHlx4tLhx2tcLnA0kMpu1 YSphP5SZNVGcEPhHs3ICrHlGmVau3nOv5q/MCck0itkB5FdI/aaQd/+S0KKwmGbzMgrU n2Ag== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1688418724; x=1691010724; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=c0EoX2DheebN94bt0rFrXPITU8dcwd8m1uYfEeNrV7c=; b=TPzcGV3H/epyID6lFO45pMCWb/JcdYfCqWroGvk7YMu0c3fs0SAcUAPpYwMo3azizj BMBqx71hX1GUmhnLA77QorLRLS1QLP9YxEVteo//JpAxnmBGViEdLbwqR+V8MtIo7Z/8 PHdFq3svUIcbUrfSoeHxVyPnUjf4M2wO7+gQ3Id/ahbako56xxDgk6qpMwzDJoPM628r gu1Ur8vee4vVnzO+vY44fQVV8IIza4FJv2C/4/TOGSABvinxddbJbK1dmfSBK/Z4oXE+ kPJr5Rtkm9awvsM4n6FsoilJaCoFBaPETUQKZ/CszPo/voGoI+QFq39kkrsp0ArAd6VB Q4bQ== X-Gm-Message-State: AC+VfDxt9eiPE5Rz+btnMq0VoVhwOoDFafI7XaBz9ZXvK+wHMMZtDhRP Atx3iXrlRlqHokzsdDuHkMo= X-Google-Smtp-Source: ACHHUZ4OqUrXPGmlKw5P+m0ozv+5LfI/SNPwoveeJPyyu2Ucgkj95xvoM5BFIb0YyAE1aRLVqMlivw== X-Received: by 2002:a5e:a911:0:b0:77e:3d2f:d1f4 with SMTP id c17-20020a5ea911000000b0077e3d2fd1f4mr11268010iod.15.1688418724252; Mon, 03 Jul 2023 14:12:04 -0700 (PDT) Received: from rivendell ([2a01:4f9:c010:5d73::1]) by smtp.gmail.com with ESMTPSA id g9-20020a0566380c4900b0042b068d921esm3197911jal.16.2023.07.03.14.12.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Jul 2023 14:12:03 -0700 (PDT) Date: Mon, 3 Jul 2023 23:11:57 +0200 From: Enrico Mioso To: Jan Engelhardt Cc: Greg Kroah-Hartman , linux-kernel@vger.kernel.org, "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Kalle Valo , Oleksij Rempel , Maciej =?utf-8?Q?=C5=BBenczykowski?= , Neil Armstrong , Mauro Carvalho Chehab , Andrzej Pietrasiewicz , Jacopo Mondi , =?utf-8?Q?=C5=81ukasz?= Stelmach , Laurent Pinchart , linux-usb@vger.kernel.org, netdev@vger.kernel.org, linux-wireless@vger.kernel.org, Ilja Van Sprundel , Joseph Tartaro Subject: Re: [PATCH] USB: disable all RNDIS protocol drivers Message-ID: References: <20221123124620.1387499-1-gregkh@linuxfoundation.org> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Hi all!! I think the rndis_host USB driver might emit a warning in the dmesg, but disabling the driver wouldn't be a good idea. The TP-Link MR6400 V1 LTE modem and also some ZTE modems integrated in routers do use this protocol. We may also distinguish between these cases and devices you might plug in - as they pose different risk levels. Enrico