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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id t22sm416199otq.18.2020.02.10.11.31.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 Feb 2020 11:31:01 -0800 (PST) From: Kees Cook To: Ingo Molnar Subject: [PATCH v3 6/7] arm64, elf: Disable automatic READ_IMPLIES_EXEC for 64-bit address spaces Date: Mon, 10 Feb 2020 11:30:48 -0800 Message-Id: <20200210193049.64362-7-keescook@chromium.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200210193049.64362-1-keescook@chromium.org> References: <20200210193049.64362-1-keescook@chromium.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200210_113104_252714_764EF2F0 X-CRM114-Status: GOOD ( 12.65 ) 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 , Will Deacon , linux-kernel@vger.kernel.org, Jason Gunthorpe , linux-kselftest@vger.kernel.org, kernel-hardening@lists.openwall.com, 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 V2l0aCBhcm02NCA2NC1iaXQgZW52aXJvbm1lbnRzLCB0aGVyZSBzaG91bGQgbmV2ZXIgYmUgYSBu ZWVkIGZvciBhdXRvbWF0aWMKUkVBRF9JTVBMSUVTX0VYRUMsIGFzIHRoZSBhcmNoaXRlY3R1cmUg aGFzIGFsd2F5cyBiZWVuIGV4ZWN1dGUtYml0IGF3YXJlCihhcyBpbiwgdGhlIGRlZmF1bHQgbWVt b3J5IHByb3RlY3Rpb24gc2hvdWxkIGJlIE5YIHVubGVzcyBhIHJlZ2lvbgpleHBsaWNpdGx5IHJl cXVlc3RzIHRvIGJlIGV4ZWN1dGFibGUpLgoKU3VnZ2VzdGVkLWJ5OiBIZWN0b3IgTWFyY28tR2lz YmVydCA8aGVjbWFyZ2lAdXB2LmVzPgpTaWduZWQtb2ZmLWJ5OiBLZWVzIENvb2sgPGtlZXNjb29r QGNocm9taXVtLm9yZz4KLS0tCiBhcmNoL2FybTY0L2luY2x1ZGUvYXNtL2VsZi5oIHwgNCArKy0t CiBmcy9jb21wYXRfYmluZm10X2VsZi5jICAgICAgIHwgNSArKysrKwogMiBmaWxlcyBjaGFuZ2Vk LCA3IGluc2VydGlvbnMoKyksIDIgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvYXJjaC9hcm02 NC9pbmNsdWRlL2FzbS9lbGYuaCBiL2FyY2gvYXJtNjQvaW5jbHVkZS9hc20vZWxmLmgKaW5kZXgg MDNhZGEyOTk4NGE3Li5lYTkyMjFlZDY4YTEgMTAwNjQ0Ci0tLSBhL2FyY2gvYXJtNjQvaW5jbHVk ZS9hc20vZWxmLmgKKysrIGIvYXJjaC9hcm02NC9pbmNsdWRlL2FzbS9lbGYuaApAQCAtMTA1LDcg KzEwNSw3IEBACiAgKiDCoCDCoCDCoCDCoCDCoCDCoMKgQ1BVKjogfCBhcm0zMsKgIMKgICAgfCBh cm02NCAgICAgIHwKICAqIEVMRjogwqAgwqAgwqAgwqAgwqAgwqAgwqB8IMKgIMKgIMKgIMKgIMKg IMKgfCDCoCDCoCDCoCDCoCDCoCDCoHwKICAqIC0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS18LS0tLS0tLS0tLS0tfAotICogbWlzc2luZyBHTlVfU1RBQ0sgfCBleGVjLWFsbCDCoCB8IGV4 ZWMtYWxsIMKgIHwKKyAqIG1pc3NpbmcgR05VX1NUQUNLIHwgZXhlYy1hbGwgwqAgfCBleGVjLW5v bmXCoCB8CiAgKiBHTlVfU1RBQ0sgPT0gUldYIMKgfCBleGVjLXN0YWNrIHwgZXhlYy1zdGFjayB8 CiAgKiBHTlVfU1RBQ0sgPT0gUlcgwqAgfCBleGVjLW5vbmUgIHwgZXhlYy1ub25lICB8CiAgKgpA QCAtMTE3LDcgKzExNyw3IEBACiAgKiAgKmFsbCBhcm02NCBDUFVzIHN1cHBvcnQgTlgsIHNvIHRo ZXJlIGlzIG5vICJsYWNrcyBOWCIgY29sdW1uLgogICoKICAqLwotI2RlZmluZSBlbGZfcmVhZF9p bXBsaWVzX2V4ZWMoZXgsc3RrKQkoc3RrID09IEVYU1RBQ0tfREVGQVVMVCkKKyNkZWZpbmUgY29t cGF0X2VsZl9yZWFkX2ltcGxpZXNfZXhlYyhleCwgc3RrKQkoc3RrID09IEVYU1RBQ0tfREVGQVVM VCkKIAogI2RlZmluZSBDT1JFX0RVTVBfVVNFX1JFR1NFVAogI2RlZmluZSBFTEZfRVhFQ19QQUdF U0laRQlQQUdFX1NJWkUKZGlmZiAtLWdpdCBhL2ZzL2NvbXBhdF9iaW5mbXRfZWxmLmMgYi9mcy9j b21wYXRfYmluZm10X2VsZi5jCmluZGV4IGFhYWQ0Y2ExMjE3ZS4uMzA2OGQ1NzQzNmIzIDEwMDY0 NAotLS0gYS9mcy9jb21wYXRfYmluZm10X2VsZi5jCisrKyBiL2ZzL2NvbXBhdF9iaW5mbXRfZWxm LmMKQEAgLTExMyw2ICsxMTMsMTEgQEAKICNkZWZpbmUJYXJjaF9zZXR1cF9hZGRpdGlvbmFsX3Bh Z2VzIGNvbXBhdF9hcmNoX3NldHVwX2FkZGl0aW9uYWxfcGFnZXMKICNlbmRpZgogCisjaWZkZWYJ Y29tcGF0X2VsZl9yZWFkX2ltcGxpZXNfZXhlYworI3VuZGVmCWVsZl9yZWFkX2ltcGxpZXNfZXhl YworI2RlZmluZQllbGZfcmVhZF9pbXBsaWVzX2V4ZWMgY29tcGF0X2VsZl9yZWFkX2ltcGxpZXNf ZXhlYworI2VuZGlmCisKIC8qCiAgKiBSZW5hbWUgYSBmZXcgb2YgdGhlIHN5bWJvbHMgdGhhdCBi aW5mbXRfZWxmLmMgd2lsbCBkZWZpbmUuCiAgKiBUaGVzZSBhcmUgYWxsIGxvY2FsIHNvIHRoZSBu YW1lcyBkb24ndCByZWFsbHkgbWF0dGVyLCBidXQgaXQKLS0gCjIuMjAuMQoKCl9fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4LWFybS1rZXJuZWwgbWFp bGluZyBsaXN0CmxpbnV4LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlz dHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFybS1rZXJuZWwK