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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id g12sm3330621pfo.200.2020.03.26.23.48.23 (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 4/6] arm32/64, elf: Add tables to document READ_IMPLIES_EXEC Date: Thu, 26 Mar 2020 23:48:18 -0700 Message-Id: <20200327064820.12602-5-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_234826_125618_9EBB26E7 X-CRM114-Status: GOOD ( 12.04 ) 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 QWRkIHRhYmxlcyB0byBkb2N1bWVudCB0aGUgY3VycmVudCBiZWhhdmlvciBvZiBSRUFEX0lNUExJ RVNfRVhFQyBpbgpwcmVwYXJhdGlvbiBmb3IgY2hhbmdpbmcgdGhlIGJlaGF2aW9yIGZvciBib3Ro IGFybTY0IGFuZCBhcm0uCgpTaWduZWQtb2ZmLWJ5OiBLZWVzIENvb2sgPGtlZXNjb29rQGNocm9t aXVtLm9yZz4KUmV2aWV3ZWQtYnk6IEphc29uIEd1bnRob3JwZSA8amdnQG1lbGxhbm94LmNvbT4K UmV2aWV3ZWQtYnk6IENhdGFsaW4gTWFyaW5hcyA8Y2F0YWxpbi5tYXJpbmFzQGFybS5jb20+Ci0t LQogYXJjaC9hcm0va2VybmVsL2VsZi5jICAgICAgICB8IDI0ICsrKysrKysrKysrKysrKysrKysr Ky0tLQogYXJjaC9hcm02NC9pbmNsdWRlL2FzbS9lbGYuaCB8IDIwICsrKysrKysrKysrKysrKysr KysrCiAyIGZpbGVzIGNoYW5nZWQsIDQxIGluc2VydGlvbnMoKyksIDMgZGVsZXRpb25zKC0pCgpk aWZmIC0tZ2l0IGEvYXJjaC9hcm0va2VybmVsL2VsZi5jIGIvYXJjaC9hcm0va2VybmVsL2VsZi5j CmluZGV4IDE4MjQyMjk4MTM4Ni4uNWNjZDRhY2VkNmNjIDEwMDY0NAotLS0gYS9hcmNoL2FybS9r ZXJuZWwvZWxmLmMKKysrIGIvYXJjaC9hcm0va2VybmVsL2VsZi5jCkBAIC03OCw5ICs3OCwyNyBA QCB2b2lkIGVsZl9zZXRfcGVyc29uYWxpdHkoY29uc3Qgc3RydWN0IGVsZjMyX2hkciAqeCkKIEVY UE9SVF9TWU1CT0woZWxmX3NldF9wZXJzb25hbGl0eSk7CiAKIC8qCi0gKiBTZXQgUkVBRF9JTVBM SUVTX0VYRUMgaWY6Ci0gKiAgLSB0aGUgYmluYXJ5IHJlcXVpcmVzIGFuIGV4ZWN1dGFibGUgc3Rh Y2sKLSAqICAtIHdlJ3JlIHJ1bm5pbmcgb24gYSBDUFUgd2hpY2ggZG9lc24ndCBzdXBwb3J0IE5Y LgorICogQW4gZXhlY3V0YWJsZSBmb3Igd2hpY2ggZWxmX3JlYWRfaW1wbGllc19leGVjKCkgcmV0 dXJucyBUUlVFIHdpbGwKKyAqIGhhdmUgdGhlIFJFQURfSU1QTElFU19FWEVDIHBlcnNvbmFsaXR5 IGZsYWcgc2V0IGF1dG9tYXRpY2FsbHkuCisgKgorICogVGhlIGRlY2lzaW9uIHByb2Nlc3MgZm9y IGRldGVybWluaW5nIHRoZSByZXN1bHRzIGFyZToKKyAqCisgKiDCoCDCoCDCoCDCoCDCoCDCoCAg ICDCoENQVTogfCBsYWNrcyBOWCogwqB8IGhhcyBOWCAgICAgfAorICogRUxGOiDCoCDCoCDCoCDC oCAgICDCoCDCoCDCoHwgwqAgwqAgwqAgwqAgwqAgwqB8IMKgIMKgIMKgIMKgIMKgICB8CisgKiAt LS0tLS0tLS0tLS0tLS0tLS0tLS18LS0tLS0tLS0tLS0tfC0tLS0tLS0tLS0tLXwKKyAqIG1pc3Np bmcgUFRfR05VX1NUQUNLIHwgZXhlYy1hbGwgwqAgfCBleGVjLWFsbCAgwqB8CisgKiBQVF9HTlVf U1RBQ0sgPT0gUldYIMKgfCBleGVjLWFsbCDCoCB8IGV4ZWMtYWxsICDCoHwKKyAqIFBUX0dOVV9T VEFDSyA9PSBSVyDCoCB8IGV4ZWMtYWxsICDCoHwgZXhlYy1ub25lICB8CisgKgorICogIGV4ZWMt YWxsICA6IGFsbCBQUk9UX1JFQUQgdXNlciBtYXBwaW5ncyBhcmUgZXhlY3V0YWJsZSwgZXhjZXB0 IHdoZW4KKyAqICAgICAgICAgICAgICBiYWNrZWQgYnkgZmlsZXMgb24gYSBub2V4ZWMtZmlsZXN5 c3RlbS4KKyAqICBleGVjLW5vbmUgOiBvbmx5IFBST1RfRVhFQyB1c2VyIG1hcHBpbmdzIGFyZSBl eGVjdXRhYmxlLgorICoKKyAqICAqdGhpcyBjb2x1bW4gaGFzIG5vIGFyY2hpdGVjdHVyYWwgZWZm ZWN0OiBOWCBtYXJraW5ncyBhcmUgaWdub3JlZCBieQorICogICBoYXJkd2FyZSwgYnV0IG1heSBo YXZlIGJlaGF2aW9yYWwgZWZmZWN0cyB3aGVuICJ3YW50cyBYIiBjb2xsaWRlcyB3aXRoCisgKiAg ICJjYW5ub3QgYmUgWCIgY29uc3RyYWludHMgaW4gbWVtb3J5IHBlcm1pc3Npb24gZmxhZ3MsIGFz IGluCisgKiAgIGh0dHBzOi8vbGttbC5rZXJuZWwub3JnL3IvMjAxOTA0MTgwNTU3NTkuR0EzMTU1 QG1lbGxhbm94LmNvbQorICoKICAqLwogaW50IGFybV9lbGZfcmVhZF9pbXBsaWVzX2V4ZWMoaW50 IGV4ZWN1dGFibGVfc3RhY2spCiB7CmRpZmYgLS1naXQgYS9hcmNoL2FybTY0L2luY2x1ZGUvYXNt L2VsZi5oIGIvYXJjaC9hcm02NC9pbmNsdWRlL2FzbS9lbGYuaAppbmRleCBiNjE4MDE3MjA1YTMu Ljk4NmVjZjQxZmMwZiAxMDA2NDQKLS0tIGEvYXJjaC9hcm02NC9pbmNsdWRlL2FzbS9lbGYuaAor KysgYi9hcmNoL2FybTY0L2luY2x1ZGUvYXNtL2VsZi5oCkBAIC05Niw2ICs5NiwyNiBAQAogICov CiAjZGVmaW5lIGVsZl9jaGVja19hcmNoKHgpCQkoKHgpLT5lX21hY2hpbmUgPT0gRU1fQUFSQ0g2 NCkKIAorLyoKKyAqIEFuIGV4ZWN1dGFibGUgZm9yIHdoaWNoIGVsZl9yZWFkX2ltcGxpZXNfZXhl YygpIHJldHVybnMgVFJVRSB3aWxsCisgKiBoYXZlIHRoZSBSRUFEX0lNUExJRVNfRVhFQyBwZXJz b25hbGl0eSBmbGFnIHNldCBhdXRvbWF0aWNhbGx5LgorICoKKyAqIFRoZSBkZWNpc2lvbiBwcm9j ZXNzIGZvciBkZXRlcm1pbmluZyB0aGUgcmVzdWx0cyBhcmU6CisgKgorICogwqAgwqAgwqAgwqAg wqAgwqAgICDCoENQVSo6IHwgYXJtMzLCoCDCoCAgIHwgYXJtNjQgICAgICB8CisgKiBFTEY6IMKg IMKgIMKgICAgIMKgIMKgIMKgIMKgfCDCoCDCoCDCoCDCoCDCoCDCoHwgwqAgwqAgwqAgwqAgwqAg wqB8CisgKiAtLS0tLS0tLS0tLS0tLS0tLS0tLS18LS0tLS0tLS0tLS0tfC0tLS0tLS0tLS0tLXwK KyAqIG1pc3NpbmcgUFRfR05VX1NUQUNLIHwgZXhlYy1hbGwgwqAgfCBleGVjLWFsbCDCoCB8Cisg KiBQVF9HTlVfU1RBQ0sgPT0gUldYIMKgfCBleGVjLWFsbCDCoCB8IGV4ZWMtYWxsIMKgIHwKKyAq IFBUX0dOVV9TVEFDSyA9PSBSVyDCoCB8IGV4ZWMtbm9uZSAgfCBleGVjLW5vbmUgIHwKKyAqCisg KiAgZXhlYy1hbGwgIDogYWxsIFBST1RfUkVBRCB1c2VyIG1hcHBpbmdzIGFyZSBleGVjdXRhYmxl LCBleGNlcHQgd2hlbgorICogICAgICAgICAgICAgIGJhY2tlZCBieSBmaWxlcyBvbiBhIG5vZXhl Yy1maWxlc3lzdGVtLgorICogIGV4ZWMtbm9uZSA6IG9ubHkgUFJPVF9FWEVDIHVzZXIgbWFwcGlu Z3MgYXJlIGV4ZWN1dGFibGUuCisgKgorICogICphbGwgYXJtNjQgQ1BVcyBzdXBwb3J0IE5YLCBz byB0aGVyZSBpcyBubyAibGFja3MgTlgiIGNvbHVtbi4KKyAqCisgKi8KICNkZWZpbmUgZWxmX3Jl YWRfaW1wbGllc19leGVjKGV4LHN0aykJKHN0ayAhPSBFWFNUQUNLX0RJU0FCTEVfWCkKIAogI2Rl ZmluZSBDT1JFX0RVTVBfVVNFX1JFR1NFVAotLSAKMi4yMC4xCgoKX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWlsaW5nIGxp c3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZy YWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=