From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Laight Date: Wed, 20 Feb 2019 13:52:40 +0000 Subject: RE: [PATCH] KEYS: user: Align the payload buffer Message-Id: <6bf441ffc1a54d06ad27ed01c6d06a58@AcuMS.aculab.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit List-Id: References: <155066953188.21038.12015964986007814182.stgit@warthog.procyon.org.uk> In-Reply-To: <155066953188.21038.12015964986007814182.stgit@warthog.procyon.org.uk> To: 'David Howells' , "jmorris@namei.org" Cc: Aaro Koskinen , "stable@vger.kernel.org" , Eric Biggers Aaro Koskinen , "keyrings@vger.kernel.org" , "linux-security-module@vger.kernel.org" , "linux-kernel@vger.kernel.org" RnJvbTogRGF2aWQgSG93ZWxscw0KPiBTZW50OiAyMCBGZWJydWFyeSAyMDE5IDEzOjMyDQo+IA0K PiBGcm9tOiBFcmljIEJpZ2dlcnMgPGViaWdnZXJzQGdvb2dsZS5jb20+DQo+IA0KPiBBbGlnbiB0 aGUgcGF5bG9hZCBvZiAidXNlciIgYW5kICJsb2dvbiIga2V5cyBzbyB0aGF0IHVzZXJzIG9mIHRo ZQ0KPiBrZXlyaW5ncyBzZXJ2aWNlIGNhbiBhY2Nlc3MgaXQgYXMgYSBzdHJ1Y3QgdGhhdCByZXF1 aXJlcyBtb3JlIHRoYW4NCj4gMi1ieXRlIGFsaWdubWVudC4gIGZzY3J5cHQgY3VycmVudGx5IGRv ZXMgdGhpcyB3aGljaCByZXN1bHRzIGluIHRoZSByZWFkDQo+IG9mIGZzY3J5cHRfa2V5OjpzaXpl IGJlaW5nIG1pc2FsaWduZWQgYXMgaXQgbmVlZHMgNC1ieXRlIGFsaWdubWVudC4NCj4gDQo+IEFs aWduIHRvIF9fYWxpZ25vZl9fKHU2NCkgcmF0aGVyIHRoYW4gX19hbGlnbm9mX18obG9uZykgc2lu Y2UgaW4gdGhlDQo+IGZ1dHVyZSBpdCdzIGNvbmNlaXZhYmxlIHRoYXQgcGVvcGxlIHdvdWxkIHVz ZSBzdHJ1Y3RzIGJlZ2lubmluZyB3aXRoDQo+IHU2NCwgd2hpY2ggb24gc29tZSBwbGF0Zm9ybXMg d291bGQgcmVxdWlyZSBtb3JlIHRoYW4gJ2xvbmcnIGFsaWdubWVudC4NCi4uLg0KPiAgaW5jbHVk ZS9rZXlzL3VzZXItdHlwZS5oIHwgICAgMiArLQ0KPiAgMSBmaWxlIGNoYW5nZWQsIDEgaW5zZXJ0 aW9uKCspLCAxIGRlbGV0aW9uKC0pDQo+IA0KPiBkaWZmIC0tZ2l0IGEvaW5jbHVkZS9rZXlzL3Vz ZXItdHlwZS5oIGIvaW5jbHVkZS9rZXlzL3VzZXItdHlwZS5oDQo+IGluZGV4IGUwOThjYmUyN2Ri NS4uMTJiYWJlOTkxNTk0IDEwMDY0NA0KPiAtLS0gYS9pbmNsdWRlL2tleXMvdXNlci10eXBlLmgN Cj4gKysrIGIvaW5jbHVkZS9rZXlzL3VzZXItdHlwZS5oDQo+IEBAIC0zMSw3ICszMSw3IEBADQo+ ICBzdHJ1Y3QgdXNlcl9rZXlfcGF5bG9hZCB7DQo+ICAJc3RydWN0IHJjdV9oZWFkCXJjdTsJCS8q IFJDVSBkZXN0cnVjdG9yICovDQo+ICAJdW5zaWduZWQgc2hvcnQJZGF0YWxlbjsJLyogbGVuZ3Ro IG9mIHRoaXMgZGF0YSAqLw0KPiAtCWNoYXIJCWRhdGFbMF07CS8qIGFjdHVhbCBkYXRhICovDQo+ ICsJY2hhcgkJZGF0YVswXSBfX2FsaWduZWQoX19hbGlnbm9mX18odTY0KSk7IC8qIGFjdHVhbCBk YXRhICovDQo+ICB9Ow0KDQpJJ2QgbWFrZSB0aGUgJ2RhdGFsZW4nIGZpZWxkICd1bnNpZ25lZCBp bnQnIGF0IHRoZSBzYW1lIHRpbWUuDQpJdCB3aWxsIHVzZSBzb21lIG9mIHRoZSBob2xlIHlvdSd2 ZSBtYWRlIGFuZCBnZW5lcmF0ZSBiZXR0ZXINCmNvZGUgb24gbW9zdCBhcmNoZXMuDQoNCglEYXZp ZA0KDQotDQpSZWdpc3RlcmVkIEFkZHJlc3MgTGFrZXNpZGUsIEJyYW1sZXkgUm9hZCwgTW91bnQg RmFybSwgTWlsdG9uIEtleW5lcywgTUsxIDFQVCwgVUsNClJlZ2lzdHJhdGlvbiBObzogMTM5NzM4 NiAoV2FsZXMpDQo 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=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_PASS 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 8666DC43381 for ; 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Wed, 20 Feb 2019 13:52:40 +0000 From: David Laight To: 'David Howells' , "jmorris@namei.org" CC: Aaro Koskinen , "stable@vger.kernel.org" , Eric Biggers , Aaro Koskinen , "keyrings@vger.kernel.org" , "linux-security-module@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: RE: [PATCH] KEYS: user: Align the payload buffer Thread-Topic: [PATCH] KEYS: user: Align the payload buffer Thread-Index: AQHUySDST0ZEr/LQC0mQ8ti2hSdKCKXotDKQ Date: Wed, 20 Feb 2019 13:52:40 +0000 Message-ID: <6bf441ffc1a54d06ad27ed01c6d06a58@AcuMS.aculab.com> References: <155066953188.21038.12015964986007814182.stgit@warthog.procyon.org.uk> In-Reply-To: <155066953188.21038.12015964986007814182.stgit@warthog.procyon.org.uk> Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 X-MC-Unique: bPYqFGAfPcihNxlGMAzATg-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Sender: owner-linux-security-module@vger.kernel.org Precedence: bulk List-ID: RnJvbTogRGF2aWQgSG93ZWxscw0KPiBTZW50OiAyMCBGZWJydWFyeSAyMDE5IDEzOjMyDQo+IA0K PiBGcm9tOiBFcmljIEJpZ2dlcnMgPGViaWdnZXJzQGdvb2dsZS5jb20+DQo+IA0KPiBBbGlnbiB0 aGUgcGF5bG9hZCBvZiAidXNlciIgYW5kICJsb2dvbiIga2V5cyBzbyB0aGF0IHVzZXJzIG9mIHRo ZQ0KPiBrZXlyaW5ncyBzZXJ2aWNlIGNhbiBhY2Nlc3MgaXQgYXMgYSBzdHJ1Y3QgdGhhdCByZXF1 aXJlcyBtb3JlIHRoYW4NCj4gMi1ieXRlIGFsaWdubWVudC4gIGZzY3J5cHQgY3VycmVudGx5IGRv ZXMgdGhpcyB3aGljaCByZXN1bHRzIGluIHRoZSByZWFkDQo+IG9mIGZzY3J5cHRfa2V5OjpzaXpl IGJlaW5nIG1pc2FsaWduZWQgYXMgaXQgbmVlZHMgNC1ieXRlIGFsaWdubWVudC4NCj4gDQo+IEFs aWduIHRvIF9fYWxpZ25vZl9fKHU2NCkgcmF0aGVyIHRoYW4gX19hbGlnbm9mX18obG9uZykgc2lu Y2UgaW4gdGhlDQo+IGZ1dHVyZSBpdCdzIGNvbmNlaXZhYmxlIHRoYXQgcGVvcGxlIHdvdWxkIHVz ZSBzdHJ1Y3RzIGJlZ2lubmluZyB3aXRoDQo+IHU2NCwgd2hpY2ggb24gc29tZSBwbGF0Zm9ybXMg d291bGQgcmVxdWlyZSBtb3JlIHRoYW4gJ2xvbmcnIGFsaWdubWVudC4NCi4uLg0KPiAgaW5jbHVk ZS9rZXlzL3VzZXItdHlwZS5oIHwgICAgMiArLQ0KPiAgMSBmaWxlIGNoYW5nZWQsIDEgaW5zZXJ0 aW9uKCspLCAxIGRlbGV0aW9uKC0pDQo+IA0KPiBkaWZmIC0tZ2l0IGEvaW5jbHVkZS9rZXlzL3Vz ZXItdHlwZS5oIGIvaW5jbHVkZS9rZXlzL3VzZXItdHlwZS5oDQo+IGluZGV4IGUwOThjYmUyN2Ri NS4uMTJiYWJlOTkxNTk0IDEwMDY0NA0KPiAtLS0gYS9pbmNsdWRlL2tleXMvdXNlci10eXBlLmgN Cj4gKysrIGIvaW5jbHVkZS9rZXlzL3VzZXItdHlwZS5oDQo+IEBAIC0zMSw3ICszMSw3IEBADQo+ ICBzdHJ1Y3QgdXNlcl9rZXlfcGF5bG9hZCB7DQo+ICAJc3RydWN0IHJjdV9oZWFkCXJjdTsJCS8q IFJDVSBkZXN0cnVjdG9yICovDQo+ICAJdW5zaWduZWQgc2hvcnQJZGF0YWxlbjsJLyogbGVuZ3Ro IG9mIHRoaXMgZGF0YSAqLw0KPiAtCWNoYXIJCWRhdGFbMF07CS8qIGFjdHVhbCBkYXRhICovDQo+ ICsJY2hhcgkJZGF0YVswXSBfX2FsaWduZWQoX19hbGlnbm9mX18odTY0KSk7IC8qIGFjdHVhbCBk YXRhICovDQo+ICB9Ow0KDQpJJ2QgbWFrZSB0aGUgJ2RhdGFsZW4nIGZpZWxkICd1bnNpZ25lZCBp bnQnIGF0IHRoZSBzYW1lIHRpbWUuDQpJdCB3aWxsIHVzZSBzb21lIG9mIHRoZSBob2xlIHlvdSd2 ZSBtYWRlIGFuZCBnZW5lcmF0ZSBiZXR0ZXINCmNvZGUgb24gbW9zdCBhcmNoZXMuDQoNCglEYXZp ZA0KDQotDQpSZWdpc3RlcmVkIEFkZHJlc3MgTGFrZXNpZGUsIEJyYW1sZXkgUm9hZCwgTW91bnQg RmFybSwgTWlsdG9uIEtleW5lcywgTUsxIDFQVCwgVUsNClJlZ2lzdHJhdGlvbiBObzogMTM5NzM4 NiAoV2FsZXMpDQo=