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=-6.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 9588DC2D0A8 for ; Wed, 23 Sep 2020 18:23:12 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1E45620791 for ; Wed, 23 Sep 2020 18:23:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="0zU20TXP" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1E45620791 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=openwall.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:Mime-Version:References:Message-ID: Subject:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=UXWRcYcZphKnNBPn6rshU/4BlKNraKW61SeBWP5sz4M=; b=0zU20TXPISNoWnuyS6yxvKstI /rvZ+ufdx/kIqKMdW3OlxFaoMVl/w7PhpHOseU1W0s2qqsbVuHZ8RgqfoWRT8jCTDh5teeeUM1CxK DfvEopwcB8sgxAR+4ulygo1Mn5hDA3xmrSyS3vPZ8c8a7kRnNop/tFk8nd1UK9siMEQwR2xQOBaRx DRlY9j1OTN2bGhd+6LZyB9uycFti71XZ0oDERVRQS+kupYcB+fsbtsFGHQ7q0JEUZDy4UZjsTh/QB AoI0q+n7sgHjb5Nia/9KyyDIWXqu4YyT5WUuakq7i/1dyxFPlwWtajj1r0GSpx7JgwYJxG5O/8CFJ LXCJCUWEg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kL9Ok-0000Vu-0b; Wed, 23 Sep 2020 18:21:46 +0000 Received: from mother.openwall.net ([195.42.179.200]) by merlin.infradead.org with smtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kL9Oh-0000VT-6Q for linux-arm-kernel@lists.infradead.org; Wed, 23 Sep 2020 18:21:44 +0000 Received: (qmail 28047 invoked from network); 23 Sep 2020 18:21:41 -0000 Received: from localhost (HELO pvt.openwall.com) (127.0.0.1) by localhost with SMTP; 23 Sep 2020 18:21:41 -0000 Received: by pvt.openwall.com (Postfix, from userid 503) id 56DAEAB844; Wed, 23 Sep 2020 20:21:34 +0200 (CEST) Date: Wed, 23 Sep 2020 20:21:34 +0200 From: Solar Designer To: Pavel Machek Subject: Re: [PATCH v2 0/4] [RFC] Implement Trampoline File Descriptor Message-ID: <20200923182134.GA8990@openwall.com> References: <20200922215326.4603-1-madvenka@linux.microsoft.com> <20200923081426.GA30279@amd> <20200923091456.GA6177@openwall.com> <20200923141102.GA7142@openwall.com> <20200923151835.GA32555@duo.ucw.cz> <20200923180007.GA8646@openwall.com> Mime-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200923180007.GA8646@openwall.com> User-Agent: Mutt/1.4.2.3i X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200923_142143_513807_055CFE83 X-CRM114-Status: UNSURE ( 7.64 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: fweimer@redhat.com, mark.rutland@arm.com, Rich Felker , kernel-hardening@lists.openwall.com, linux-api@vger.kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org, oleg@redhat.com, madvenka@linux.microsoft.com, mic@digikod.net, linux-security-module@vger.kernel.org, David.Laight@ACULAB.COM, luto@kernel.org, linux-fsdevel@vger.kernel.org, linux-integrity@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Sep 23, 2020 at 08:00:07PM +0200, Solar Designer wrote: > A couple of other things Brad kindly pointed out: > > SELinux already has similar protections (execmem, execmod): > > http://lkml.iu.edu/hypermail/linux/kernel/0508.2/0194.html > https://danwalsh.livejournal.com/6117.html Actually, that's right in Madhavan's "Introduction": "LSMs such as SELinux implement W^X" and "The W^X implementation today is not complete." I'm sorry I jumped into this thread out of context. Alexander _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel