Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: [4.16,30/68] x86/mce/AMD: Get address from already initialized block From: Greg Kroah-Hartman Message-Id: <20180417155750.564053358@linuxfoundation.org> Date: Tue, 17 Apr 2018 17:57:43 +0200 To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Yazen Ghannam , Borislav Petkov , Borislav Petkov , Linus Torvalds , Peter Zijlstra , Thomas Gleixner , Tony Luck , linux-edac , Ingo Molnar List-ID: NC4xNi1zdGFibGUgcmV2aWV3IHBhdGNoLiAgSWYgYW55b25lIGhhcyBhbnkgb2JqZWN0aW9ucywg cGxlYXNlIGxldCBtZSBrbm93LgoKLS0tLS0tLS0tLS0tLS0tLS0tCgpGcm9tOiBZYXplbiBHaGFu bmFtIDx5YXplbi5naGFubmFtQGFtZC5jb20+Cgpjb21taXQgMjdiZDU5NTAyNzAyZmU1MWQ5ZWIw MDQ1MGE3NWI3MjdlYzZiZmNiNCB1cHN0cmVhbS4KClRoZSBibG9jayBhZGRyZXNzIGlzIHNhdmVk IGFmdGVyIHRoZSBibG9jayBpcyBpbml0aWFsaXplZCB3aGVuCnRocmVzaG9sZF9pbml0X2Rldmlj ZSgpIGlzIGNhbGxlZC4KClVzZSB0aGUgc2F2ZWQgYmxvY2sgYWRkcmVzcywgaWYgYXZhaWxhYmxl LCByYXRoZXIgdGhhbiB0cnlpbmcgdG8KcmVkaXNjb3ZlciBpdC4KClRoaXMgd2lsbCBhdm9pZCBh IGNhbGwgdHJhY2UsIHdoZW4gcmVzdW1pbmcgZnJvbSBzdXNwZW5kLCBkdWUgdG8gdGhlCnJkbXNy X3NhZmVfb25fY3B1KCkgY2FsbCBpbiBnZXRfYmxvY2tfYWRkcmVzcygpLiBUaGUgcmRtc3Jfc2Fm ZV9vbl9jcHUoKQpjYWxsIGlzc3VlcyBhbiBJUEkgYnV0IHdlJ3JlIHJ1bm5pbmcgd2l0aCBpbnRl cnJ1cHRzIGRpc2FibGVkLiBUaGlzCnRyaWdnZXJzOgoKICAgIFdBUk5JTkc6IENQVTogMCBQSUQ6 IDExNTIzIGF0IGtlcm5lbC9zbXAuYzoyOTEgc21wX2NhbGxfZnVuY3Rpb25fc2luZ2xlKzB4ZGMv MHhlMAoKU2lnbmVkLW9mZi1ieTogWWF6ZW4gR2hhbm5hbSA8eWF6ZW4uZ2hhbm5hbUBhbWQuY29t PgpTaWduZWQtb2ZmLWJ5OiBCb3Jpc2xhdiBQZXRrb3YgPGJwQHN1c2UuZGU+CkNjOiA8c3RhYmxl QHZnZXIua2VybmVsLm9yZz4gIyA0LjE0LngKQ2M6IEJvcmlzbGF2IFBldGtvdiA8YnBAYWxpZW44 LmRlPgpDYzogTGludXMgVG9ydmFsZHMgPHRvcnZhbGRzQGxpbnV4LWZvdW5kYXRpb24ub3JnPgpD YzogUGV0ZXIgWmlqbHN0cmEgPHBldGVyekBpbmZyYWRlYWQub3JnPgpDYzogVGhvbWFzIEdsZWl4 bmVyIDx0Z2x4QGxpbnV0cm9uaXguZGU+CkNjOiBUb255IEx1Y2sgPHRvbnkubHVja0BpbnRlbC5j b20+CkNjOiBsaW51eC1lZGFjIDxsaW51eC1lZGFjQHZnZXIua2VybmVsLm9yZz4KTGluazogaHR0 cDovL2xrbWwua2VybmVsLm9yZy9yLzIwMTgwMjIxMTAxOTAwLjEwMzI2LTgtYnBAYWxpZW44LmRl ClNpZ25lZC1vZmYtYnk6IEluZ28gTW9sbmFyIDxtaW5nb0BrZXJuZWwub3JnPgpTaWduZWQtb2Zm LWJ5OiBHcmVnIEtyb2FoLUhhcnRtYW4gPGdyZWdraEBsaW51eGZvdW5kYXRpb24ub3JnPgotLS0K IGFyY2gveDg2L2tlcm5lbC9jcHUvbWNoZWNrL21jZV9hbWQuYyB8ICAgMTUgKysrKysrKysrKysr KysrCiAxIGZpbGUgY2hhbmdlZCwgMTUgaW5zZXJ0aW9ucygrKQoKCgotLQpUbyB1bnN1YnNjcmli ZSBmcm9tIHRoaXMgbGlzdDogc2VuZCB0aGUgbGluZSAidW5zdWJzY3JpYmUgbGludXgtZWRhYyIg aW4KdGhlIGJvZHkgb2YgYSBtZXNzYWdlIHRvIG1ham9yZG9tb0B2Z2VyLmtlcm5lbC5vcmcKTW9y ZSBtYWpvcmRvbW8gaW5mbyBhdCAgaHR0cDovL3ZnZXIua2VybmVsLm9yZy9tYWpvcmRvbW8taW5m by5odG1sCgotLS0gYS9hcmNoL3g4Ni9rZXJuZWwvY3B1L21jaGVjay9tY2VfYW1kLmMKKysrIGIv YXJjaC94ODYva2VybmVsL2NwdS9tY2hlY2svbWNlX2FtZC5jCkBAIC00MzYsNiArNDM2LDIxIEBA IHN0YXRpYyB1MzIgZ2V0X2Jsb2NrX2FkZHJlc3ModW5zaWduZWQgaW4KIHsKIAl1MzIgYWRkciA9 IDAsIG9mZnNldCA9IDA7CiAKKwlpZiAoKGJhbmsgPj0gbWNhX2NmZy5iYW5rcykgfHwgKGJsb2Nr ID49IE5SX0JMT0NLUykpCisJCXJldHVybiBhZGRyOworCisJLyogR2V0IGFkZHJlc3MgZnJvbSBh bHJlYWR5IGluaXRpYWxpemVkIGJsb2NrLiAqLworCWlmIChwZXJfY3B1KHRocmVzaG9sZF9iYW5r cywgY3B1KSkgeworCQlzdHJ1Y3QgdGhyZXNob2xkX2JhbmsgKmJhbmtwID0gcGVyX2NwdSh0aHJl c2hvbGRfYmFua3MsIGNwdSlbYmFua107CisKKwkJaWYgKGJhbmtwICYmIGJhbmtwLT5ibG9ja3Mp IHsKKwkJCXN0cnVjdCB0aHJlc2hvbGRfYmxvY2sgKmJsb2NrcCA9ICZiYW5rcC0+YmxvY2tzW2Js b2NrXTsKKworCQkJaWYgKGJsb2NrcCkKKwkJCQlyZXR1cm4gYmxvY2twLT5hZGRyZXNzOworCQl9 CisJfQorCiAJaWYgKG1jZV9mbGFncy5zbWNhKSB7CiAJCWlmIChzbWNhX2dldF9iYW5rX3R5cGUo YmFuaykgPT0gU01DQV9SRVNFUlZFRCkKIAkJCXJldHVybiBhZGRyOwo=