From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Philippe Vaucher Newsgroups: gmane.emacs.bugs Subject: bug#23529: Request for fixing randomize_va_space build issues Date: Wed, 18 May 2016 09:53:52 +0200 Message-ID: References: NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Trace: ger.gmane.org 1463558136 3312 80.91.229.3 (18 May 2016 07:55:36 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 18 May 2016 07:55:36 +0000 (UTC) Cc: 23529@debbugs.gnu.org To: Paul Eggert Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed May 18 09:55:22 2016 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1b2wK7-0003Nk-FR for geb-bug-gnu-emacs@m.gmane.org; Wed, 18 May 2016 09:55:19 +0200 Original-Received: from localhost ([::1]:43491 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b2wK1-0004JT-GQ for geb-bug-gnu-emacs@m.gmane.org; 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Wed, 18 May 2016 07:55:01 +0000 Original-Received: (at 23529) by debbugs.gnu.org; 18 May 2016 07:54:29 +0000 Original-Received: from localhost ([127.0.0.1]:56497 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1b2wJJ-0007On-K0 for submit@debbugs.gnu.org; Wed, 18 May 2016 03:54:29 -0400 Original-Received: from mail-vk0-f42.google.com ([209.85.213.42]:33266) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1b2wJH-0007Oa-VM for 23529@debbugs.gnu.org; Wed, 18 May 2016 03:54:28 -0400 Original-Received: by mail-vk0-f42.google.com with SMTP id z184so51117895vkg.0 for <23529@debbugs.gnu.org>; Wed, 18 May 2016 00:54:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=iIqoDe1J+NrMdiqCFUm28rN9103HrXzlBfFoPT43j78=; b=fChN7/KU4yEEkLwBWOBg/547SBWVE2aAuZIdqhph2A7/g2IXU2a6TMFF6MpdG2IYJh km4o4/EM+md1SqG2GmqGj3XcDvP9ZhmLksS/v329PGa6Q42GAQnS3MkZlngOuMfjvL6H f043a9b8rZHqhsGr96ysv/lx8siZSVG8Di6uoRCHPw/J0q6nNGdiuuSpH3XA9S9cn6aO +dTaYYnC+S8GfC1jbLqeOY+vr8dH6mvu8QM3uPR50cFIIqB7bEImOJMRl6ROHSPWIXF2 6odBtC131y+go3QPGmyOsQvOrYN6OZMXXaFRt95+omN52ZqBvDofGq2gJAyPbA9Rg6Zi oWAg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=iIqoDe1J+NrMdiqCFUm28rN9103HrXzlBfFoPT43j78=; b=JIRoktzCNA+6J5qCD1lMzd+HzooHbPPVpPxmIO+uN8t74TGO6VMkIoM7mQrhqOhaCg HCa1Q/+cJtoSHbm6qWWJPLiKKeptO8YydY9w6fjrpy47BlmNibZ38X8tsViyEBGJVZCE mCxkAJamfcysh/rIwLSfJ8ZabQ6ehj+1IuiG9B5v6wDw7nazHy1+Lg6ZaIq5UsjLVbKC wOR+jEOPSz7QtV5t+ZMMPzQrCNGqXx5GsDjbC2Bpvj7pFPKY8K9QuJ/cGiIF7EZaFKww SZzYj6Wt/y2j43RvWK0FnQZfF26nudZtekVyKZMEWZmlkLLwCCmKddU0MF/DMtVxHH8T RxTQ== X-Gm-Message-State: AOPr4FVCcb3/EIfp5pHJGN0SaHmKp8Pu+xzuXfwZk7hHZ+39/W3nmekIeA2lxSvbXMZ/uvN5q9Q95FGdrYGBQQ== X-Received: by 10.176.7.67 with SMTP id h61mr3280909uah.55.1463558062366; Wed, 18 May 2016 00:54:22 -0700 (PDT) Original-Received: by 10.103.28.133 with HTTP; Wed, 18 May 2016 00:53:52 -0700 (PDT) In-Reply-To: X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 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.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:118379 Archived-At: > Yes, because when building emacs it calls ./temacs which calls > "personality" like here > https://github.com/emacs-mirror/emacs/blob/master/src/emacs.c#L802-819 > This basically does the same as disabling randomize_va_space. For information, I also opened an issue with docker because it might be an ubuntu:16.04/seccomp issue https://github.com/docker/docker/issues/22801 I'll keep you posted, but it's interesting that emacs needs `personality` syscalls in order to build. I'm curious about why there is this somewhat intermediate "temacs" binary that seems to have the ability to dump itself into the final binary. Philippe