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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 EED59C43331 for ; Fri, 27 Mar 2020 06:49:20 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id B459520578 for ; Fri, 27 Mar 2020 06:49:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="DPZ1kXs9"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="OCjXlmIo" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B459520578 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=chromium.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-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=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=/ibTFjPZfDa23pv1kaYnJG4lIFQCTSHC7ra3KkyL6XE=; b=DPZ1kXs9XXmy2k LnQzgHtDYie+JgSdKW8K+xIxhFBOSOQ4booxQGBb7XqGt+smHPv04cZ0Wxk108BLsqSIxMoSrnw5c epWmQoOSkLTpN9gXiT1Y6cgVM/Cmkk3ynAkAXvIJpN+XMnxfFzxRndPV9b3qdoyH0oh+wAmZJBKsZ 2kLeSSHyq9mUP0z1bwQhNXPeYdaJ1A6JoxSYo9u2jMS8DrtKQuoXO5ate/d5sZTI8JvaRFlJ3w9jS CKCBgaFGvkukes4hCW1JblpOym4V8ggCSTobJyfqWQry9QS0ehU2FYbwduoM1cR18IrTJLzUdlpT0 s7Mrumqhjm2YUoavmWGA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jHinv-0001rC-BT; Fri, 27 Mar 2020 06:49:19 +0000 Received: from mail-pj1-x1043.google.com ([2607:f8b0:4864:20::1043]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jHin5-00013N-Kx for linux-arm-kernel@lists.infradead.org; Fri, 27 Mar 2020 06:48:29 +0000 Received: by mail-pj1-x1043.google.com with SMTP id jz1so4080922pjb.0 for ; Thu, 26 Mar 2020 23:48:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=aCXQQNfM2EQYbGhE+c3i+WsEzSS1B+0KzErDD9Q3cJQ=; b=OCjXlmIoxfrnMcD6Fm7EqmFltbx9NqQHpjse+YKgPYhkHv6iZLLG1nlt7oUVP9C15G lQ19ipXBCR2dhvNCDNSaYaRpGtODDqGFdCxyjvW+VnHhSDXeSovFoVqIX6sa8HSy/zUS Tzoj2lH+NFiAotmdBSTAOMN6FsQCteguppeiQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=aCXQQNfM2EQYbGhE+c3i+WsEzSS1B+0KzErDD9Q3cJQ=; b=Q5xVSdpJlzlL17IqkUirmHTVXy2MyWVz4s9zKSbtuXcwnsWI01DG/LxZrfx+8GGpt/ iN6VeMOhRbDRRDVOxpNkAkbjCSJ/UGjzY47/Cld3+90uRGnpAdLNIJDDLvMdSKdmvbKg NIU0vmaaWUdbqXfSg60j9gfLdnVdSI0aovDFVmAeW3ZB1GK+9XFcJdtRUaJFEyeAujPM pGHFrFaKQc7fU6Kxg2mKRCD2bOhiq941gWwoE/5Ei1hXyHiA4kMvyeTj1XcHc7hUlp1E vo00ovpbwCP2gC36qE9MhFX1FsLeDP7hsFsrrhmFa9QWv/wuYSDkiJdfZDuIBaL5D4dd 9vXQ== X-Gm-Message-State: ANhLgQ1+dKchVKgkVoj+ylK68odS9Racm105Sdn4cobrZwS5VJlicYr1 IpMGH/m3qDPgIOzYYuvw/CthVA== X-Google-Smtp-Source: ADFU+vuRG/7CwdAL7Hz1xKA5Bt+/nzzdYx30lzuff91wl0WePMdT+P2vk/HnJix1tQIiabhGWyh6wg== X-Received: by 2002:a17:90a:eb03:: with SMTP id j3mr4340967pjz.72.1585291706769; Thu, 26 Mar 2020 23:48:26 -0700 (PDT) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id z37sm3106644pgl.68.2020.03.26.23.48.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 26 Mar 2020 23:48:23 -0700 (PDT) From: Kees Cook To: Borislav Petkov Subject: [PATCH v5 1/6] x86/elf: Add table to document READ_IMPLIES_EXEC Date: Thu, 26 Mar 2020 23:48:15 -0700 Message-Id: <20200327064820.12602-2-keescook@chromium.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200327064820.12602-1-keescook@chromium.org> References: <20200327064820.12602-1-keescook@chromium.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200326_234827_697127_550B55E8 X-CRM114-Status: GOOD ( 11.28 ) 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: Kees Cook , Jann Horn , Catalin Marinas , x86@kernel.org, Hector Marco-Gisbert , Russell King , linux-kernel@vger.kernel.org, Jason Gunthorpe , Jason Gunthorpe , kernel-hardening@lists.openwall.com, Will Deacon , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org QWRkIGEgdGFibGUgdG8gZG9jdW1lbnQgdGhlIGN1cnJlbnQgYmVoYXZpb3Igb2YgUkVBRF9JTVBM SUVTX0VYRUMgaW4KcHJlcGFyYXRpb24gZm9yIGNoYW5naW5nIHRoZSBiZWhhdmlvci4KClNpZ25l ZC1vZmYtYnk6IEtlZXMgQ29vayA8a2Vlc2Nvb2tAY2hyb21pdW0ub3JnPgpSZXZpZXdlZC1ieTog SmFzb24gR3VudGhvcnBlIDxqZ2dAbWVsbGFub3guY29tPgotLS0KIGFyY2gveDg2L2luY2x1ZGUv YXNtL2VsZi5oIHwgMTkgKysrKysrKysrKysrKysrKysrKwogMSBmaWxlIGNoYW5nZWQsIDE5IGlu c2VydGlvbnMoKykKCmRpZmYgLS1naXQgYS9hcmNoL3g4Ni9pbmNsdWRlL2FzbS9lbGYuaCBiL2Fy Y2gveDg2L2luY2x1ZGUvYXNtL2VsZi5oCmluZGV4IDY5YzBmODkyZTMxMC4uZWU0NTlkNGMzYjQ1 IDEwMDY0NAotLS0gYS9hcmNoL3g4Ni9pbmNsdWRlL2FzbS9lbGYuaAorKysgYi9hcmNoL3g4Ni9p bmNsdWRlL2FzbS9lbGYuaApAQCAtMjgxLDYgKzI4MSwyNSBAQCBleHRlcm4gdTMyIGVsZl9od2Nh cDI7CiAvKgogICogQW4gZXhlY3V0YWJsZSBmb3Igd2hpY2ggZWxmX3JlYWRfaW1wbGllc19leGVj KCkgcmV0dXJucyBUUlVFIHdpbGwKICAqIGhhdmUgdGhlIFJFQURfSU1QTElFU19FWEVDIHBlcnNv bmFsaXR5IGZsYWcgc2V0IGF1dG9tYXRpY2FsbHkuCisgKgorICogVGhlIGRlY2lzaW9uIHByb2Nl c3MgZm9yIGRldGVybWluaW5nIHRoZSByZXN1bHRzIGFyZToKKyAqCisgKiDCoCDCoCDCoCDCoCDC oCDCoCAgICDCoENQVTogfCBsYWNrcyBOWCogwqB8IGhhcyBOWCwgaWEzMiDCoCDCoCB8IGhhcyBO WCwgeDg2XzY0IHwKKyAqIEVMRjogwqAgwqAgwqAgwqAgICAgwqAgwqAgwqB8IMKgIMKgIMKgIMKg IMKgIMKgfCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoCDCoHwgwqAgwqAgwqAgwqAgwqAgwqAgwqAg wqB8CisgKiAtLS0tLS0tLS0tLS0tLS0tLS0tLS18LS0tLS0tLS0tLS0tfC0tLS0tLS0tLS0tLS0t LS0tLXwtLS0tLS0tLS0tLS0tLS0tfAorICogbWlzc2luZyBQVF9HTlVfU1RBQ0sgfCBleGVjLWFs bCDCoCB8IGV4ZWMtYWxsIMKgIMKgIMKgIMKgIHwgZXhlYy1hbGwgwqAgwqAgwqAgfAorICogUFRf R05VX1NUQUNLID09IFJXWCDCoHwgZXhlYy1hbGwgwqAgfCBleGVjLWFsbCDCoCDCoCDCoCDCoCB8 IGV4ZWMtYWxsIMKgIMKgIMKgIHwKKyAqIFBUX0dOVV9TVEFDSyA9PSBSVyDCoCB8IGV4ZWMtbm9u ZSDCoHwgZXhlYy1ub25lIMKgIMKgIMKgIMKgfCBleGVjLW5vbmUgwqAgwqAgwqB8CisgKgorICog IGV4ZWMtYWxsICA6IGFsbCBQUk9UX1JFQUQgdXNlciBtYXBwaW5ncyBhcmUgZXhlY3V0YWJsZSwg ZXhjZXB0IHdoZW4KKyAqICAgICAgICAgICAgICBiYWNrZWQgYnkgZmlsZXMgb24gYSBub2V4ZWMt ZmlsZXN5c3RlbS4KKyAqICBleGVjLW5vbmUgOiBvbmx5IFBST1RfRVhFQyB1c2VyIG1hcHBpbmdz IGFyZSBleGVjdXRhYmxlLgorICoKKyAqICAqdGhpcyBjb2x1bW4gaGFzIG5vIGFyY2hpdGVjdHVy YWwgZWZmZWN0OiBOWCBtYXJraW5ncyBhcmUgaWdub3JlZCBieQorICogICBoYXJkd2FyZSwgYnV0 IG1heSBoYXZlIGJlaGF2aW9yYWwgZWZmZWN0cyB3aGVuICJ3YW50cyBYIiBjb2xsaWRlcyB3aXRo CisgKiAgICJjYW5ub3QgYmUgWCIgY29uc3RyYWludHMgaW4gbWVtb3J5IHBlcm1pc3Npb24gZmxh Z3MsIGFzIGluCisgKiAgIGh0dHBzOi8vbGttbC5rZXJuZWwub3JnL3IvMjAxOTA0MTgwNTU3NTku R0EzMTU1QG1lbGxhbm94LmNvbQorICoKICAqLwogI2RlZmluZSBlbGZfcmVhZF9pbXBsaWVzX2V4 ZWMoZXgsIGV4ZWN1dGFibGVfc3RhY2spCVwKIAkoZXhlY3V0YWJsZV9zdGFjayAhPSBFWFNUQUNL X0RJU0FCTEVfWCkKLS0gCjIuMjAuMQoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fCmxpbnV4LWFybS1rZXJuZWwgbWFpbGluZyBsaXN0CmxpbnV4LWFybS1r ZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWls bWFuL2xpc3RpbmZvL2xpbnV4LWFybS1rZXJuZWwK