From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf1-f199.google.com (mail-pf1-f199.google.com [209.85.210.199]) by kanga.kvack.org (Postfix) with ESMTP id 7A2A36B0548 for ; Wed, 7 Nov 2018 15:03:43 -0500 (EST) Received: by mail-pf1-f199.google.com with SMTP id i19-v6so14153026pfi.21 for ; Wed, 07 Nov 2018 12:03:43 -0800 (PST) Received: from mga03.intel.com (mga03.intel.com. [134.134.136.65]) by mx.google.com with ESMTPS id f7-v6si1619450plb.362.2018.11.07.12.03.41 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 07 Nov 2018 12:03:42 -0800 (PST) From: "Edgecombe, Rick P" Subject: Re: [PATCH v8 0/4] KASLR feature to randomize each loadable module Date: Wed, 7 Nov 2018 20:03:40 +0000 Message-ID: <84597c620c39ed17be11de759646f3ace3e236fa.camel@intel.com> References: <20181102192520.4522-1-rick.p.edgecombe@intel.com> <20181106130459.7a2669604a2c274edbe25971@linux-foundation.org> In-Reply-To: <20181106130459.7a2669604a2c274edbe25971@linux-foundation.org> Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-ID: <7EA5D5F7B5010143BB315E15C2C67207@intel.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: owner-linux-mm@kvack.org List-ID: To: "akpm@linux-foundation.org" Cc: "linux-kernel@vger.kernel.org" , "daniel@iogearbox.net" , "jeyu@kernel.org" , "keescook@chromium.org" , "jannh@google.com" , "willy@infradead.org" , "tglx@linutronix.de" , "linux-mm@kvack.org" , "arjan@linux.intel.com" , "x86@kernel.org" , "kristen@linux.intel.com" , "hpa@zytor.com" , "mingo@redhat.com" , "kernel-hardening@lists.openwall.com" , "Hansen, Dave" T24gVHVlLCAyMDE4LTExLTA2IGF0IDEzOjA0IC0wODAwLCBBbmRyZXcgTW9ydG9uIHdyb3RlOg0K PiBPbiBGcmksICAyIE5vdiAyMDE4IDEyOjI1OjE2IC0wNzAwIFJpY2sgRWRnZWNvbWJlIDxyaWNr LnAuZWRnZWNvbWJlQGludGVsLmNvbT4NCj4gd3JvdGU6DQo+IA0KPiA+IFRoaXMgaXMgVjggb2Yg dGhlICJLQVNMUiBmZWF0dXJlIHRvIHJhbmRvbWl6ZSBlYWNoIGxvYWRhYmxlIG1vZHVsZSINCj4g PiBwYXRjaHNldC4NCj4gPiBUaGUgcHVycG9zZSBpcyB0byBpbmNyZWFzZSB0aGUgcmFuZG9taXph dGlvbiBhbmQgYWxzbyB0byBtYWtlIHRoZSBtb2R1bGVzDQo+ID4gcmFuZG9taXplZCBpbiByZWxh dGlvbiB0byBlYWNoIG90aGVyIGluc3RlYWQgb2YganVzdCB0aGUgYmFzZSwgc28gdGhhdCBpZg0K PiA+IG9uZQ0KPiA+IG1vZHVsZSBsZWFrcyB0aGUgbG9jYXRpb24gb2YgdGhlIG90aGVycyBjYW4n dCBiZSBpbmZlcnJlZC4NCj4gDQo+IEknbSBub3Qgc2VlaW5nIGFueSBpbmZvIGhlcmUgd2hpY2gg ZXhwbGFpbnMgd2h5IHdlIHNob3VsZCBhZGQgdGhpcyB0bw0KPiBMaW51eC4NCj4gDQo+IFdoYXQg aXMgdGhlIGVuZC11c2VyIHZhbHVlPyAgV2hhdCBwcm9ibGVtcyBkb2VzIGl0IHNvbHZlPyAgQXJl IHRob3NlDQo+IHByb2JsZW1zIHJlYWwgb3IgdGhlb3JldGljYWw/ICBXaGF0IGFyZSB0aGUgZXhw bG9pdCBzY2VuYXJpb3MgYW5kIGhvdw0KPiByZWFsaXN0aWMgYXJlIHRoZXk/ICBldGNldGVyYSwg ZXRjZXRlcmEuICBIb3cgYXJlIHdlIHRvIGRlY2lkZSB0byBidXkNCj4gdGhpcyB0aGluZyBpZiB3 ZSBhcmVuJ3QgZ2l2ZW4gYSBnbG9zc3kgYnJvY2h1cmU/DQpIaSBBbmRyZXcsDQoNClRoYW5rcyBm b3IgdGFraW5nIGEgbG9vayEgVGhlIGZpcnN0IHZlcnNpb24gaGFkIGEgcHJvcGVyIHdyaXRlIHVw LCBidXQgbm93IHRoZQ0KZGV0YWlscyBhcmUgc3ByZWFkIG91dCBvdmVyIDggdmVyc2lvbnMuIEkn bGwgc2VuZCBvdXQgYW5vdGhlciB2ZXJzaW9uIHdpdGggaXQNCmFsbCBpbiBvbmUgcGxhY2UuDQoN ClRoZSBzaG9ydCB2ZXJzaW9uIGlzIHRoYXQgdG9kYXkgdGhlIFJBTkRPTUlaRV9CQVNFIGZlYXR1 cmUgcmFuZG9taXplcyB0aGUgYmFzZQ0KYWRkcmVzcyB3aGVyZSB0aGUgbW9kdWxlIGFsbG9jYXRp b25zIGJlZ2luIHdpdGggMTAgYml0cyBvZiBlbnRyb3B5LiBGcm9tIGhlcmUsDQphIGhpZ2hseSBk ZXRlcm1pbmlzdGljIGFsZ29yaXRobSBhbGxvY2F0ZXMgc3BhY2UgZm9yIHRoZSBtb2R1bGVzIGFz IHRoZXkgYXJlIA0KbG9hZGVkIGFuZCB1bi1sb2FkZWQuIElmIGFuIGF0dGFja2VyIGNhbiBwcmVk aWN0IHRoZSBvcmRlciBhbmQgaWRlbnRpdGllcyBmb3INCm1vZHVsZXMgdGhhdCB3aWxsIGJlIGxv YWRlZCwgdGhlbiBhIHNpbmdsZSB0ZXh0IGFkZHJlc3MgbGVhayBjYW4gZ2l2ZSB0aGUNCmF0dGFj a2VyIGFjY2VzcyB0byB0aGUgbG9jYXRpb25zIG9mIGFsbCB0aGUgbW9kdWxlcy4gDQoNClNvIHRo aXMgaXMgdHJ5aW5nIHRvIHByZXZlbnQgdGhlIHNhbWUgY2xhc3Mgb2YgYXR0YWNrcyBhcyB0aGUg ZXhpc3RpbmcgS0FTTFIsDQpsaWtlIGNvbnRyb2wgZmxvdyBtYW5pcHVsYXRpb24gYW5kIG5vdyBh bHNvIG1ha2luZyBpdCBoYXJkZXIvbG9uZ2VyIHRvIGZpbmQNCnNwZWN1bGF0aXZlIGV4ZWN1dGlv biBnYWRnZXRzLiBJdCBpbmNyZWFzZXMgdGhlIG51bWJlciBvZiBwb3NzaWJsZQ0KcG9zaXRpb25z IDEyOFgsIGFuZCB3aXRoIHRoYXQgYW1vdW50IG9mIHJhbmRvbW5lc3MgcGVyIG1vZHVsZSBpbnN0 ZWFkIG9mIGZvciBhbGwNCm1vZHVsZXMuDQoNCj4gPiBUaGVyZSBpcyBhIHNtYWxsIGFsbG9jYXRp b24gcGVyZm9ybWFuY2UgZGVncmFkYXRpb24gdmVyc3VzIHY3IGFzIGENCj4gPiB0cmFkZSBvZmYs IGJ1dCBpdCBpcyBzdGlsbCBmYXN0ZXIgb24gYXZlcmFnZSB0aGFuIHRoZSBleGlzdGluZw0KPiA+ IGFsZ29yaXRobSB1bnRpbCA+NzAwMCBtb2R1bGVzLg0KPiANCj4gbG9sLiAgSG93IGRpZCB5b3Ug dGVzdCA3MDAwIG1vZHVsZXM/ICBVc2luZyB0aGUgc2VsZnRlc3QgY29kZT8NCg0KWWVzLCB0aGlz IGlzIHdpdGggc2ltdWxhdGlvbnMgdXNpbmcgdGhlIGluY2x1ZGVkIGtzZWxmdGVzdCBjb2RlIHdp dGggc2l6ZXMNCmV4dHJhY3RlZCBmcm9tIHRoZSB4ODZfNjQgaW4tdHJlZSBtb2R1bGVzLiBTdXBw b3J0aW5nIDcwMDAga2VybmVsIG1vZHVsZXMgaXMgbm90DQp0aGUgaW50ZW50aW9uIHRob3VnaCwg aW5zdGVhZCBpdCdzIHRyeWluZyB0byBhY2NvbW1vZGF0ZSA3MDAwIGFsbG9jYXRpb25zIGluIHRo ZQ0KbW9kdWxlIHNwYWNlLiBTbyBhbHNvIGVCUEYgSklULCBjbGFzc2ljIEJQRiBzb2NrZXQgZmls dGVyIEpJVCwga3Byb2JlcywgZXRjLg0KDQo=