GNU bug report logs - #18784
Coultdn't compile emacs-24.4

Previous Next

Package: emacs;

Reported by: Gangræna Gorgeous <trupanka <at> gmail.com>

Date: Tue, 21 Oct 2014 12:34:01 UTC

Severity: normal

Tags: fixed

Merged with 13847, 18780

Found in versions 24.4, 25.0.50

Fixed in version 25.1

Done: Ulrich Mueller <ulm <at> gentoo.org>

Bug is archived. No further changes may be made.

Full log

Message #55 received at 18784 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Stefan Monnier <monnier <at> IRO.UMontreal.CA>
Cc: ulm <at> gentoo.org, 18784 <at> debbugs.gnu.org
Subject: Re: bug#18784: Coultdn't compile emacs-24.4
Date: Mon, 16 Mar 2015 21:34:34 +0200

> From: Stefan Monnier <monnier <at> IRO.UMontreal.CA>
> Cc: ulm <at> gentoo.org, 18784 <at> debbugs.gnu.org
> Date: Mon, 16 Mar 2015 15:06:22 -0400
> 
> > I think we don't really understand why this bug happens.  At least I
> > have no clear idea of how PIE can cause temacs segfault.
> 
> I guess if PIE is used in order to place Emacs's code at randomized
> addresses (different address every time an Emacs process is launched),
> it can break the dump because our subr objects will end up with pointers
> to addresses that aren't valid any more (might be other such problems,
> but that's the first that comes to my mind).

Then this is only an issue on systems where PIE == address
randomization, isn't it?
This bug report was last modified 10 years and 92 days ago.

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.