From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Garnier Subject: Re: x86: PIE support and option to extend KASLR randomization Date: Fri, 22 Sep 2017 11:59:00 -0700 Message-ID: References: <20170816151235.oamkdva6cwpc4cex@gmail.com> <20170817080920.5ljlkktngw2cisfg@gmail.com> <20170825080443.tvvr6wzs362cjcuu@gmail.com> <20170921155919.skpyt7dutod5ul4t@gmail.com> <20170922163225.bfrd5myl6d7deiim@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dvTAH-0000ZK-Uc for xen-devel@lists.xenproject.org; Fri, 22 Sep 2017 18:59:06 +0000 Received: by mail-it0-f51.google.com with SMTP id 4so2147940itv.4 for ; Fri, 22 Sep 2017 11:59:04 -0700 (PDT) In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: "H. Peter Anvin" Cc: Nicolas Pitre , Peter Zijlstra , Michal Hocko , kvm list , =?UTF-8?B?UmFkaW0gS3LEjW3DocWZ?= , Peter Zijlstra , Catalin Marinas , Christopher Li , Alexei Starovoitov , David Howells , Paul Gortmaker , Pavel Machek , Kernel Hardening , Christoph Lameter , Ingo Molnar , Kees Cook , the arch/x86 maintainers , Herbert Xu , Daniel Borkmann , Matthew Wilcox , Peter Foley , Joerg Roedel , Rafael J . Wysocki List-Id: xen-devel@lists.xenproject.org T24gRnJpLCBTZXAgMjIsIDIwMTcgYXQgMTE6MzggQU0sIEguIFBldGVyIEFudmluIDxocGFAenl0 b3IuY29tPiB3cm90ZToKPiBPbiAwOS8yMi8xNyAwOTozMiwgSW5nbyBNb2xuYXIgd3JvdGU6Cj4+ Cj4+IEJUVy4sIEkgdGhpbmsgdGhpbmdzIGltcHJvdmVkIHdpdGggT1JDIGJlY2F1c2Ugd2l0aCBP UkMgd2UgaGF2ZSBSQlAgYXMgYW4gZXh0cmEKPj4gcmVnaXN0ZXIgYW5kIHdpdGggUElFIHdlIGxv c2UgUkJYIC0gc28gcmVnaXN0ZXIgcHJlc3N1cmUgaW4gY29kZSBnZW5lcmF0aW9uIGlzCj4+IGxv d2VyLgo+Pgo+Cj4gV2UgbG9zZSBFQlggb24gMzIgYml0cywgYnV0IHdlIGRvbid0IGxvc2UgUkJY IG9uIDY0IGJpdHMgLSBzaW5jZSB4ODYtNjQKPiBoYXMgUklQLXJlbGF0aXZlIGFkZHJlc3Npbmcg dGhlcmUgaXMgbm8gbmVlZCBmb3IgYSBkZWRpY2F0ZWQgUElDIHJlZ2lzdGVyLgo+Cj4gSSdtIHNv bWV3aGF0IGNvbmZ1c2VkIGhvdyB3ZSBjYW4gaGF2ZSBhcyBtdWNoIGFzIGFsbW9zdCAxJSBvdmVy aGVhZC4gIEkKPiBzdXNwZWN0IHRoYXQgd2UgZW5kIHVwIG1ha2luZyBhIEdPVCBhbmQgbWF5YmUg ZXZlbiBhIFBMVCBmb3Igbm8gZ29vZCByZWFzb24uCgpXZSBoYXZlIGEgR09UIHdpdGggdmVyeSBm ZXcgZW50cmllcywgbWFpbmx5IGxpbmtlciBzY3JpcHQgZ2xvYmFscyB0aGF0CkkgdGhpbmsgd2Ug Y2FuIHdvcmsgdG8gcmVkdWNlIG9yIHJlbW92ZS4KCldlIGhhdmUgYSBQTFQgYnV0IGl0IGlzIGVt cHR5LiBPbiBsYXRlc3QgaXRlcmF0aW9uIChub3Qgc2VudCB5ZXQpLAptb2R1bGVzIGhhdmUgUExU MzIgcmVsb2NhdGlvbnMgYnV0IG5vIFBMVCBlbnRyeS4gSSBnb3QgcmlkIG9mCm1jbW9kZWw9bGFy Z2UgZm9yIG1vZHVsZXMgYW5kIGluc3RlYWQgSSBtb3ZlIHRoZSBiZWdpbm5pbmcgb2YgdGhlCm1v ZHVsZSBzZWN0aW9uIGp1c3QgYWZ0ZXIgdGhlIGtlcm5lbCBzbyByZWxhdGl2ZSByZWxvY2F0aW9u cyB3b3JrLgoKPgo+ICAgICAgICAgLWhwYQoKCgotLSAKVGhvbWFzCgpfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhl bi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0dHBzOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK