From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#50666: 28.0.50; Fix native compilation on Cygwin Date: Thu, 23 Sep 2021 21:46:44 +0300 Message-ID: <83wnn7t9ij.fsf@gnu.org> References: <9f20194e-b1ba-9417-4f18-caa1d80b5568@cornell.edu> <01a89ba6-2786-df04-0181-069b50a70331@cornell.edu> <835yux5dn1.fsf@gnu.org> <87bl4pf3s1.fsf@Otto.invalid> <83tuih3uvr.fsf@gnu.org> <877dfcg5tu.fsf@Otto.invalid> <83pmt44vn1.fsf@gnu.org> <83mto84r9l.fsf@gnu.org> <83fsu04mai.fsf@gnu.org> <1a5e01a2-2247-2f68-82f6-2075577e02b6@cornell.edu> <837dfc4hi1.fsf@gnu.org> <4ae8067f-55b2-d243-66f3-f76493095a39@cornell.edu> <83o88jvity.fsf@gnu.org> <8e8e74ce-0deb-bcdc-d298-be2e9d4636d7@cornell.edu> <83bl4juu2c.fsf@gnu.org> <837df7urnz.fsf@gnu.org> <878rznrxm6.fsf@Rainer.invalid> <83zgs3tblj.fsf@gnu.org> <874kabrvy9.fsf@Rainer.invalid> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="5777"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 50666@debbugs.gnu.org To: Achim Gratz Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Sep 23 20:48:48 2021 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mTTm3-0001Mq-Ra for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 23 Sep 2021 20:48:47 +0200 Original-Received: from localhost ([::1]:60218 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mTTm2-0006gk-Og for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 23 Sep 2021 14:48:46 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:36102) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mTTlK-0006E2-5S for bug-gnu-emacs@gnu.org; Thu, 23 Sep 2021 14:48:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:44322) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mTTlJ-0004l1-UU for bug-gnu-emacs@gnu.org; Thu, 23 Sep 2021 14:48:01 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1mTTlJ-000272-R1 for bug-gnu-emacs@gnu.org; Thu, 23 Sep 2021 14:48:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 23 Sep 2021 18:48:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 50666 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: patch Original-Received: via spool by 50666-submit@debbugs.gnu.org id=B50666.16324228237929 (code B ref 50666); Thu, 23 Sep 2021 18:48:01 +0000 Original-Received: (at 50666) by debbugs.gnu.org; 23 Sep 2021 18:47:03 +0000 Original-Received: from localhost ([127.0.0.1]:55868 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mTTkI-00023T-So for submit@debbugs.gnu.org; Thu, 23 Sep 2021 14:47:03 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:47138) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mTTkG-00023E-Lu for 50666@debbugs.gnu.org; Thu, 23 Sep 2021 14:46:56 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:55692) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mTTk9-0003nv-KX; Thu, 23 Sep 2021 14:46:49 -0400 Original-Received: from 84.94.185.95.cable.012.net.il ([84.94.185.95]:3277 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mTTk9-00070l-5g; Thu, 23 Sep 2021 14:46:49 -0400 In-Reply-To: <874kabrvy9.fsf@Rainer.invalid> (message from Achim Gratz on Thu, 23 Sep 2021 20:25:02 +0200) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:215218 Archived-At: > From: Achim Gratz > Date: Thu, 23 Sep 2021 20:25:02 +0200 > > Eli Zaretskii writes: > > You mean, ASLR doesn't work with Cygwin because it must use the same > > address in the forked process? But then why did Ken say that ASLR and > > High Entropy could solve the problem with the *.eln files -- isn't > > that the same problem? > > It is, but on 64bit with the massive address space and high entropy > using most of it, it will often "just work" for quite some time. I understand that it might "just work" wrt collisions, but what about the requirement that the DLL be loaded at the same address in the forked child? Doesn't ASLR randomize the base address each time a DLL is loaded?