From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arun Sharma Date: Fri, 10 Sep 2004 19:48:18 +0000 Subject: [PATCH] disable sys32_{iopl,ioperm} Message-Id: <41420502.5060304@intel.com> MIME-Version: 1 Content-Type: multipart/mixed; boundary="------------070002030003080200070506" List-Id: To: linux-ia64@vger.kernel.org This is a multi-part message in MIME format. --------------070002030003080200070506 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit The attached patch disables syscalls sys32_iopl() and sys32_ioperm() on ia64. Current code is not safe and no one is complaining. So we think it's better to disable it. -Arun --------------070002030003080200070506 Content-Type: text/plain; name="disable_sys32_iopl_ioperm.patch" Content-Transfer-Encoding: base64 Content-Disposition: inline; filename="disable_sys32_iopl_ioperm.patch" RGlzYWJsZSBzeXNjYWxscyBzeXMzMl9pb3BsKCkgYW5kIHN5czMyX2lvcGVybSgpIG9uIGlh NjQuDQpUbyBlbXVsYXRlIHRoZXNlIDIgc3lzY2FsbHMgY29ycmVjdGx5LCB3ZSBuZWVkIHRv IGd1YXJhbnRlZSB1bmNhY2hlZA0KbWVtb3J5IGF0dHJpYnV0ZXMgb24gaWE2NCwgd2hpY2gg aXMgZGlmZmljdWx0LiBUaGUgb25seSB1c2VyIG9mIHRoaXMNCmludGVyZmFjZSB0aGF0IHdl IGtub3cgb2YgaXMgWC4gU28gd2UgdGhpbmsgaXQncyBiZXR0ZXIgdG8gZGlzYWJsZSBpdC4N Cg0KU2lnbmVkLW9mZi1ieTogR29yZG9uIEppbiA8Z29yZG9uLmppbkBpbnRlbC5jb20+DQpT aWduZWQtb2ZmLWJ5OiBBcnVuIFNoYXJtYSA8YXJ1bi5zaGFybWFAaW50ZWwuY29tPg0KDQpk aWZmIC1wdXJOIGxpbnV4LTIuNi44L2FyY2gvaWE2NC9pYTMyL2lhMzJfZW50cnkuUyBsaW51 eC0yLjYuOC1pby9hcmNoL2lhNjQvaWEzMi9pYTMyX2VudHJ5LlMNCi0tLSBsaW51eC0yLjYu OC9hcmNoL2lhNjQvaWEzMi9pYTMyX2VudHJ5LlMJMjAwNC0wOC0xNiAxNTozNjozMC4wMDAw MDAwMDAgKzA4MDANCisrKyBsaW51eC0yLjYuOC1pby9hcmNoL2lhNjQvaWEzMi9pYTMyX2Vu dHJ5LlMJMjAwNC0wOS0wOCAxMDoyODozMC41MTgzOTE5ODUgKzA4MDANCkBAIC0zMTEsNyAr MzExLDcgQEAgaWEzMl9zeXNjYWxsX3RhYmxlOg0KIAlkYXRhOCBzeXNfbmlfc3lzY2FsbAkg IC8qIG9sZCBwcm9maWwgc3lzY2FsbCBob2xkZXIgKi8NCiAJZGF0YTggY29tcGF0X3N5c19z dGF0ZnMNCiAJZGF0YTggY29tcGF0X3N5c19mc3RhdGZzCSAgLyogMTAwICovDQotCWRhdGE4 IHN5czMyX2lvcGVybQ0KKwlkYXRhOCBzeXNfbmlfc3lzY2FsbAkvKiBpb3Blcm0gKi8NCiAJ ZGF0YTggY29tcGF0X3N5c19zb2NrZXRjYWxsDQogCWRhdGE4IHN5c19zeXNsb2cNCiAJZGF0 YTggY29tcGF0X3N5c19zZXRpdGltZXINCkBAIC0zMjAsNyArMzIwLDcgQEAgaWEzMl9zeXNj YWxsX3RhYmxlOg0KIAlkYXRhOCBjb21wYXRfc3lzX25ld2xzdGF0DQogCWRhdGE4IGNvbXBh dF9zeXNfbmV3ZnN0YXQNCiAJZGF0YTggc3lzX25pX3N5c2NhbGwNCi0JZGF0YTggc3lzMzJf aW9wbAkJICAvKiAxMTAgKi8NCisJZGF0YTggc3lzX25pX3N5c2NhbGwJLyogaW9wbCAqLwkv KiAxMTAgKi8NCiAJZGF0YTggc3lzX3ZoYW5ndXANCiAJZGF0YTggc3lzX25pX3N5c2NhbGwJ CS8qIHVzZWQgdG8gYmUgc3lzX2lkbGUgKi8NCiAJZGF0YTggc3lzX25pX3N5c2NhbGwNCmRp ZmYgLXB1ck4gbGludXgtMi42LjgvYXJjaC9pYTY0L2lhMzIvc3lzX2lhMzIuYyBsaW51eC0y LjYuOC1pby9hcmNoL2lhNjQvaWEzMi9zeXNfaWEzMi5jDQotLS0gbGludXgtMi42LjgvYXJj aC9pYTY0L2lhMzIvc3lzX2lhMzIuYwkyMDA0LTA4LTE2IDE1OjM2OjMwLjAwMDAwMDAwMCAr MDgwMA0KKysrIGxpbnV4LTIuNi44LWlvL2FyY2gvaWE2NC9pYTMyL3N5c19pYTMyLmMJMjAw NC0wOS0wOCAxMDoyODoyMS40ODYxNjU1MzMgKzA4MDANCkBAIC0xOTEzLDczICsxOTEzLDYg QEAgc3lzMzJfcHRyYWNlIChpbnQgcmVxdWVzdCwgcGlkX3QgcGlkLCB1bg0KIAlyZXR1cm4g cmV0Ow0KIH0NCiANCi0vKg0KLSAqICBUaGUgSUE2NCBtYXBzIDQgSS9PIHBvcnRzIGZvciBl YWNoIDRLIHBhZ2UNCi0gKi8NCi0jZGVmaW5lIElPTEVOCSgoNjU1MzYgLyA0KSAqIDQwOTYp DQotDQotYXNtbGlua2FnZSBsb25nDQotc3lzMzJfaW9wbCAoaW50IGxldmVsKQ0KLXsNCi0J ZXh0ZXJuIHVuc2lnbmVkIGxvbmcgaWE2NF9pb2Jhc2U7DQotCWludCBmZDsNCi0Jc3RydWN0 IGZpbGUgKiBmaWxlOw0KLQl1bnNpZ25lZCBpbnQgb2xkOw0KLQl1bnNpZ25lZCBsb25nIGFk ZHI7DQotCW1tX3NlZ21lbnRfdCBvbGRfZnMgPSBnZXRfZnMgKCk7DQotDQotCWlmIChsZXZl bCAhPSAzKQ0KLQkJcmV0dXJuKC1FSU5WQUwpOw0KLQkvKiBUcnlpbmcgdG8gZ2FpbiBtb3Jl IHByaXZpbGVnZXM/ICovDQotCW9sZCA9IGlhNjRfZ2V0cmVnKF9JQTY0X1JFR19BUl9FRkxB Ryk7DQotCWlmICgodW5zaWduZWQgaW50KSBsZXZlbCA+ICgob2xkID4+IDEyKSAmIDMpKSB7 DQotCQlpZiAoIWNhcGFibGUoQ0FQX1NZU19SQVdJTykpDQotCQkJcmV0dXJuIC1FUEVSTTsN Ci0JfQ0KLQlzZXRfZnMoS0VSTkVMX0RTKTsNCi0JZmQgPSBzeXNfb3BlbigiL2Rldi9tZW0i LCBPX1NZTkMgfCBPX1JEV1IsIDApOw0KLQlzZXRfZnMob2xkX2ZzKTsNCi0JaWYgKGZkIDwg MCkNCi0JCXJldHVybiBmZDsNCi0JZmlsZSA9IGZnZXQoZmQpOw0KLQlpZiAoZmlsZSA9PSBO VUxMKSB7DQotCQlzeXNfY2xvc2UoZmQpOw0KLQkJcmV0dXJuKC1FRkFVTFQpOw0KLQl9DQot DQotCWRvd25fd3JpdGUoJmN1cnJlbnQtPm1tLT5tbWFwX3NlbSk7DQotCWFkZHIgPSBkb19t bWFwX3Bnb2ZmKGZpbGUsIElBMzJfSU9CQVNFLA0KLQkJCSAgICAgSU9MRU4sIFBST1RfUkVB RHxQUk9UX1dSSVRFLCBNQVBfU0hBUkVELA0KLQkJCSAgICAgKGlhNjRfaW9iYXNlICYgflBB R0VfT0ZGU0VUKSA+PiBQQUdFX1NISUZUKTsNCi0JdXBfd3JpdGUoJmN1cnJlbnQtPm1tLT5t bWFwX3NlbSk7DQotDQotCWlmIChhZGRyID49IDApIHsNCi0JCW9sZCA9IChvbGQgJiB+MHgz MDAwKSB8IChsZXZlbCA8PCAxMik7DQotCQlpYTY0X3NldHJlZyhfSUE2NF9SRUdfQVJfRUZM QUcsIG9sZCk7DQotCX0NCi0NCi0JZnB1dChmaWxlKTsNCi0Jc3lzX2Nsb3NlKGZkKTsNCi0J cmV0dXJuIDA7DQotfQ0KLQ0KLWFzbWxpbmthZ2UgbG9uZw0KLXN5czMyX2lvcGVybSAodW5z aWduZWQgaW50IGZyb20sIHVuc2lnbmVkIGludCBudW0sIGludCBvbikNCi17DQotDQotCS8q DQotCSAqICBTaW5jZSBJQTY0IGRvZXNuJ3QgaGF2ZSBwZXJtaXNzaW9uIGJpdHMgd2UnZCBo YXZlIHRvIGdvIHRvDQotCSAqICAgIGEgbG90IG9mIHRyb3VibGUgdG8gc2ltdWxhdGUgdGhl bSBpbiBzb2Z0d2FyZS4gIFRoZXJlJ3MNCi0JICogICAgbm8gcG9pbnQsIG9ubHkgdHJ1c3Rl ZCBwcm9ncmFtcyBjYW4gbWFrZSB0aGlzIGNhbGwgc28gd2UnbGwNCi0JICogICAganVzdCB0 dXJuIGl0IGludG8gYW4gaW9wbCBjYWxsIGFuZCBsZXQgdGhlIHByb2Nlc3MgaGF2ZQ0KLQkg KiAgICBhY2Nlc3MgdG8gYWxsIEkvTyBwb3J0cy4NCi0JICoNCi0JICogWFhYIHByb3BlciBp b3Blcm0oKSBzdXBwb3J0IHNob3VsZCBiZSBlbXVsYXRlZCBieQ0KLQkgKgltYW5pcHVsYXRp bmcgdGhlIHBhZ2UgcHJvdGVjdGlvbnMuLi4NCi0JICovDQotCXJldHVybiBzeXMzMl9pb3Bs KDMpOw0KLX0NCi0NCiB0eXBlZGVmIHN0cnVjdCB7DQogCXVuc2lnbmVkIGludAlzc19zcDsN CiAJdW5zaWduZWQgaW50CXNzX2ZsYWdzOw0K --------------070002030003080200070506--