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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C1C43D2A52F for ; Wed, 16 Oct 2024 16:56:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc: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=cOy32TDIUnHGqlvxvPH5rxlW5C6QuQPXkYbVc5HocWs=; b=dwYEjHSDmsdI4r skery9ZwN/wduHfhuKvMkin5D6A1zNj8qXVSYTUGEFWc/0Ri3c1+Whm4Y5/+XMxy56VTsb+2Bxk/G Nz453JKZakshMEI29I3cFoDbhQnva5t4Qt99nDsyBTcmPEHIm88CGnu73SYqHVCUlZ0nr9BCKARUx pJsTIIO8+qZfEzupz+VbI0h/ZxwHiCqODtSR2ZubYINOHJgHb5hUPy/peE2Xee4WQnJh9FlQd1Raa fgkwkFl/KG6K98XzrHXttIWbYCKRGzKbkIdwSvO+9Z2UOsibPjIrV7FxZ40g1aOlr9dw8+tbF4Ovo Vh0psMC3T+wEghcg7A4A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t17KA-0000000CUbt-3MY2; Wed, 16 Oct 2024 16:56:38 +0000 Received: from nyc.source.kernel.org ([147.75.193.91]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1t17K7-0000000CUbT-2isY for linux-riscv@lists.infradead.org; Wed, 16 Oct 2024 16:56:36 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id 26C49A40BE9; Wed, 16 Oct 2024 16:56:25 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C121CC4CEC5; Wed, 16 Oct 2024 16:56:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1729097793; bh=J4gS1FGlplHm9RrwafcRcFsITwBOWiS3jUhhKd+VZj8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=uSDtNnvj5YAUyrcN6vQghIBxe8+gzxGwwq+3C6x+L1EJIeGsKx395jdikje2uB7bN C5U96insHJRbw5mmMuAb6Xs2tB66GswiHcE4mZCX1iw+WdYoHTsJ/ynw4tG3L7epud VAx9HjT9yP4j+u8d3JhDIx6wNYZIRzFaoiFT+V9KwzG1N1LcywQUhMw7b7Ux/c6rtN sGnDEC0FrUibAIYd0b5cpgD86azQZRWBnazmaSJyvvt7jessi64HmF2a4Fv88RdaSl jUI4P6Naq6g4graXkHbu9VF/ip1kAfWEDloWFNfRe9FVUiWQAcLnxSm7mbRB11dJJr zNyHrnpVOcqUg== Date: Wed, 16 Oct 2024 09:56:30 -0700 From: Kees Cook To: Alexandre Ghiti Cc: Jessica Clarke , Alexandre Ghiti , Paul Walmsley , Palmer Dabbelt , Albert Ou , Heiko Stuebner , =?iso-8859-1?Q?Bj=F6rn_T=F6pel?= , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Jason Montleon , stable@vger.kernel.org Subject: Re: [PATCH -fixes] riscv: Do not use fortify in early code Message-ID: <202410160951.E825F7A5@keescook> References: <20241009072749.45006-1-alexghiti@rivosinc.com> <1CA19FB3-C1E3-4C2F-A4FB-05B69EC66D2F@jrtc27.com> <3fe1e610-c863-4fbf-85cb-6e83ba7684af@ghiti.fr> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <3fe1e610-c863-4fbf-85cb-6e83ba7684af@ghiti.fr> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241016_095635_774625_5C9C2689 X-CRM114-Status: GOOD ( 18.56 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org T24gV2VkLCBPY3QgMTYsIDIwMjQgYXQgMDE6MjY6MjRQTSArMDIwMCwgQWxleGFuZHJlIEdoaXRp IHdyb3RlOgo+IE9uIDE2LzEwLzIwMjQgMDA6MDQsIEplc3NpY2EgQ2xhcmtlIHdyb3RlOgo+ID4g SXMgdGhlIHByb2JsZW0gaW4gWzFdIG5vdCBqdXN0IHRoYXQgdGhlIGVhcmx5IGJvb3QgcGF0aCB1 c2VzIG1lbWNweSBvbgo+ID4gdGhlIHJlc3VsdCBvZiBBTFRfT0xEX1BUUiwgd2hpY2ggaXMgYSB3 aWxkbHkgb3V0LW9mLWJvdW5kcyBwb2ludGVyIGZyb20KPiA+IHRoZSBjb21waWxlcuKAmXMgcGVy c3BlY3RpdmU/IElmIHNvLCBpdCB3b3VsZCBzZWVtIGJldHRlciB0byB1c2UKPiA+IHVuc2FmZV9t ZW1jcHkgZm9yIHRoYXQgb25lIGNhbGwgc2l0ZSByYXRoZXIgdGhhbiB1c2UgdGhlIGJpZwo+ID4g X19OT19GT1JUSUZZIGhhbW1lciwgc3VyZWx5Pwo+IAo+IE5vdCBzdXJlIHdoeSBmb3J0aWZ5IGNv bXBsYWlucyBoZXJlLCBhbmQgSSBoYXZlIGp1c3Qgc2VlbiB0aGF0IEkgZm9yZ290IHRvCj4gY2Mg S2VlcyAoZG9uZSBub3cpLgoKSSBoYXZlbid0IGhhZCB0aW1lIHRvIGludmVzdGlnYXRlIHRoaXMg LS0gc29tZXRoaW5nIGlzIGNvbmZ1c2luZyB0aGUKY29tcGlsZXIgYWJvdXQgdGhlIG9iamVjdCBz aXplLiBJdCdzIGxpa2VseSB0aGF0IGl0IGhhcyBkZWNpZGVkIHRoYXQKImNoYXIgKiIgaXMgbGl0 ZXJhbGx5IHBvaW50aW5nIHRvIGEgc2luZ2xlIGJ5dGUuIChJbnN0ZWFkIG9mIGJlaW5nCnVuYWJs ZSB0byBkZXRlcm1pbmUgdGhlIG9yaWdpbiBvZiB0aGUgcG9pbnRlciBhbmQgYmVpbmcgZm9yY2Vk IHRvIHJldHVybgpTSVpFX01BWCBmb3IgdGhlIG9iamVjdCBzaXplIC0tICJ1bmtub3duIiBzaXpl LikgSW4gb3RoZXIgY2FzZXMsIHdlJ3ZlCmJlZW4gYWJsZSB0byBjb252ZXJ0ICJjaGFyICpwdHIi IHRvICJjaGFyIHB0cltdIiBhbmQgdGhhdCB0ZWxscyB0aGUKY29tcGlsZXIgaXQncyBhbiBhcnJh eSBvZiB1bmtub3duIHNpemUuIFRoYXQgZGlkbid0IGxvb2sgdmVyeSBwb3NzaWJsZQpoZXJlLgoK PiBbLi4uXQo+IEFuZCBJIGJlbGlldmUgdGhhdCBlbmFibGluZyBmb3J0aWZ5IGFuZCB1c2luZyB0 aGUgdW5zYWZlXyooKSB2YXJpYW50cyBpcwo+IGVycm9yLXByb25lIHNpbmNlIHdlJ2QgaGF2ZSB0 byBtYWtlIHN1cmUgdGhhdCBhbGwgdGhlICJmb3J0aWZpZWQiIGZ1bmN0aW9ucwo+IHVzZWQgaW4g dGhhdCBjb2RlIHVzZSB0aGUgdW5zYWZlXyooKSB2YXJpYW50cy4KPiAKPiBTbyB0byBtZSwgaXQn cyB3YXkgZWFzaWVyIGluIHRlcm1zIG9mIG1haW50ZW5hbmNlIHRvIGp1c3QgZGlzYWJsaW5nIGZv cnRpZnkuCgpJIHdvdWxkIGFncmVlOiB0aGVyZSdzIG5vIHdheSB0byByZXBvcnQgYSBmb3J0aWZ5 IGZhaWx1cmUsIHNvIGJlc3QgdG8KdHVybiBpdCBvZmYgaGVyZS4KCi0tIApLZWVzIENvb2sKCl9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4LXJpc2N2 IG1haWxpbmcgbGlzdApsaW51eC1yaXNjdkBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0 cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtcmlzY3YK