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[23.128.96.34]) by mx.google.com with ESMTPS id m11-20020a170902db0b00b001d00a92b9d4si276447plx.575.2023.11.28.04.52.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 28 Nov 2023 04:52:24 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.34 as permitted sender) client-ip=23.128.96.34; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=rZxKYhYg; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.34 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by howler.vger.email (Postfix) with ESMTP id 863A780C9238; Tue, 28 Nov 2023 04:52:17 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at howler.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344726AbjK1Mvx (ORCPT + 99 others); Tue, 28 Nov 2023 07:51:53 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58140 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344655AbjK1Mvv (ORCPT ); Tue, 28 Nov 2023 07:51:51 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2FB8210D7 for ; Tue, 28 Nov 2023 04:51:48 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5444AC433C8; Tue, 28 Nov 2023 12:51:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1701175907; bh=oj4l032/TwDGs1VImtwGCbOjPIx09bJYOhWopM2xSDg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=rZxKYhYglGfzQh7wHfclq5EI14MPmD7k9MNMGu7DwkJJriVA4Q7l9DSHbJDMwhsZf 3QX4a5cstBR2H3WUyywAasVi662mshc9jVLZ27qZkt1P1Z6XONys0e7WUrE4qTTPCp kaV6c8yaZbbYQfaT7Mzayi8fdEBPvukd9DgJkPi2+T44WVLb9GytQ0dc6RHshzeMFD 0DPU28tHGs9uTp9NnV1UXXN+IFZKLEjWQPBnSbqt0DmKPfox/zGNmQFnRbwOloAM8n xN4AK5AZ5VQm0bNsSzhAViB4FMtKWFUd9HDzKTsRtaxiZ1RnybuYwb8TW8GEpGzmgv uIFq7tHs3Lzcg== Date: Tue, 28 Nov 2023 12:51:44 +0000 From: Mark Brown To: "Edgecombe, Rick P" Cc: "keescook@chromium.org" , "szabolcs.nagy@arm.com" , "hjl.tools@gmail.com" , "debug@rivosinc.com" , "kito.cheng@sifive.com" , "libc-alpha@sourceware.org" , "linux-kernel@vger.kernel.org" Subject: Re: Shadow stack enabling from dynamic loader v/s kernel on exec Message-ID: References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="B3jt3vEluDvHmqS9" Content-Disposition: inline In-Reply-To: X-Cookie: Slow day. Practice crawling. X-Spam-Status: No, score=-1.2 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on howler.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (howler.vger.email [0.0.0.0]); Tue, 28 Nov 2023 04:52:18 -0800 (PST) --B3jt3vEluDvHmqS9 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Mon, Nov 27, 2023 at 05:41:16PM +0000, Edgecombe, Rick P wrote: > On Wed, 2023-11-22 at 16:19 -0800, Deepak Gupta wrote: > Thanks. As we look at adding some final glibc support, I've wondered if > there might be enough topics to warrant an occasional meeting to > discuss stuff like this. I'd also like to discuss the shadow stack life > cycle issues (uncontext, etc), alt shadow stacks and all of the > compatibility last mile problems. Towards the goal of avoiding > unnecessary divergence on app developer expectations. It'd definitely be good to ensure we're coordinating well, I'd be willing to give it a go. --B3jt3vEluDvHmqS9 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmVl4l8ACgkQJNaLcl1U h9CQ3Af+PytnRoQfW2nK0CLu6NBsOXpm8XYI2ZIp7GTZx34pn6j3L8r+D9tmoRPa tv+XYLlLiZIvu+dJxZfX/FxWjdStyrmcTpJiLbcBqoDX4nRraqaoCDGXuHUMiPRA dWi0DdQBoBFGRYeVl04vLau9ZKYg8mX6ELrrp6NsD/cjQbkfRqn7D/97D/vYuoD1 r3YnmKfmj4x0t4rHEmo3g9IXwEMiJBboXr93jWRWyIb41JWkE8WY1wVp+TB89NOm mfp5s5W1joWEKurHE0B6fhf6XWftjN5/nvdvyGl9EV8NHuXL711+aEeU1YLZytrW oqSGwECrsiqVj1bJTCsyl7aeARQMlA== =P21f -----END PGP SIGNATURE----- --B3jt3vEluDvHmqS9--