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[2620:137:e000::3:7]) by mx.google.com with ESMTPS id j13-20020a17090ae60d00b002791d79bbf9si13178154pjy.187.2023.11.28.12.29.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 28 Nov 2023 12:29:36 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) client-ip=2620:137:e000::3:7; Authentication-Results: mx.google.com; dkim=pass header.i=@rivosinc-com.20230601.gappssmtp.com header.s=20230601 header.b=YN9dStQQ; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by snail.vger.email (Postfix) with ESMTP id 9E37B80425A4; Tue, 28 Nov 2023 12:29:35 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at snail.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345807AbjK1U3W (ORCPT + 99 others); Tue, 28 Nov 2023 15:29:22 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45860 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345786AbjK1U3U (ORCPT ); Tue, 28 Nov 2023 15:29:20 -0500 Received: from mail-oi1-x22e.google.com (mail-oi1-x22e.google.com [IPv6:2607:f8b0:4864:20::22e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 02D0C19A7 for ; Tue, 28 Nov 2023 12:29:26 -0800 (PST) Received: by mail-oi1-x22e.google.com with SMTP id 5614622812f47-3b8929269a0so272985b6e.1 for ; Tue, 28 Nov 2023 12:29:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rivosinc-com.20230601.gappssmtp.com; s=20230601; t=1701203365; x=1701808165; darn=vger.kernel.org; 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=Zvt+0jiHGDPEXGWp4ZUeTSZX/GfEE6mq7HiGkqqcPN0=; b=YN9dStQQR9PxRz3pqydJDqEn5TQMF+BJd0ZZdbhYrA0VIUPZ2FuQFNtOROFUiLL6No NiKm3FgdlRNYeHBDQkhxmV9Yg3XxZkhkCH/4ac+91ncD1z0PCcnh2Skc0iX4H/gMdxyO aXwzs+vbkM63CaWwGs1NS/Ns3OlBpOEXl4WyBrLBLeWhyvF41sy5YlG2JBIJ3mSfwalk vpiH97AlZPNHaFlBHjNRYAOmplv2XuA3d+TvhEQXLFfQjrZ5HxV1AFGy3add8hcc32ty bFuA+c+Y9vZzhIN9CflBuSL4xuYe/d9ElxWBhJswhB4pmjncow3sifx5vu2alSiSvXaE 0JDw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1701203365; x=1701808165; 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=Zvt+0jiHGDPEXGWp4ZUeTSZX/GfEE6mq7HiGkqqcPN0=; b=MCT2dCTuu25yMpRalbR7soIvqKZ9uCTD+MWrYhnKeoAE1Bo+mnEqvQPkh3T6kN65Vm Ox+xdE8aKCCfNOaLDhlGRH5k+3aoUeBAwIRVCLCy7cE5ofPqK2M9UCsKAJB2nG9Sf09/ d35sh49dG/2hY7WK+lVvAiB/LGbCA418k7yoF1XdFWEZ1DRu3eOQ4ns8ah5jGvRBicHg 2E8Dy1Vh8hby3PtFySNJvpE48ubeP5k1j4cAmR34Uax4U0DsG3U02HSTClt3ORWe6Wwf ipOvilkOh0XXO3SlnQCm4ESuxXQV5n2ks4QN+6uBFE+AyfZZkYKsQo3EKh8iQXqR+OE2 BLqg== X-Gm-Message-State: AOJu0YzWdo3+6CJyi4XnEFxqyIJWW62pURp2S4Nf0W1Q0RELFx9iaP3m fslvhWukHJV46alGxTjk12wOrQ== X-Received: by 2002:a05:6808:398e:b0:3b8:5bae:83ad with SMTP id gq14-20020a056808398e00b003b85bae83admr17915369oib.17.1701203365354; Tue, 28 Nov 2023 12:29:25 -0800 (PST) Received: from debug.ba.rivosinc.com ([64.71.180.162]) by smtp.gmail.com with ESMTPSA id i7-20020a056808030700b003b8347de3c2sm1933081oie.19.2023.11.28.12.29.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 28 Nov 2023 12:29:24 -0800 (PST) Date: Tue, 28 Nov 2023 12:29:22 -0800 From: Deepak Gupta To: Mark Brown Cc: "Edgecombe, Rick P" , "keescook@chromium.org" , "szabolcs.nagy@arm.com" , "hjl.tools@gmail.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: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_BLOCKED,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 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 (snail.vger.email [0.0.0.0]); Tue, 28 Nov 2023 12:29:35 -0800 (PST) On Tue, Nov 28, 2023 at 12:51:44PM +0000, Mark Brown wrote: >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. Same here.