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From: Miles Bader <miles@gnu.org>
Cc: emacs-devel@gnu.org, Miles Bader <miles@gnu.org>
Subject: Re: `exec shield' test in configure too strict?
Date: Mon, 4 Oct 2004 17:20:31 -0400	[thread overview]
Message-ID: <20041004212031.GB2219@fencepost> (raw)
In-Reply-To: <AEB4F6C4-1616-11D9-94A0-000D93505B76@swipnet.se>

On Mon, Oct 04, 2004 at 05:04:26PM +0200, Jan D. wrote:
> >and so emacs refuses to configure -- but if disable this test by doing:
> >
> >   $ make ac_cv_file__proc_sys_kernel_exec_shield=no
> >
> >Then Emacs configures and dumps just fine, despite not using `setarch'.
> 
> Does that machine have a /proc/sys/kernel/exec-shield-randomize file?

Yes:

   $ cat /proc/sys/kernel/exec-shield-randomize
   1

> It is the random start address of the heap that makes dumping fail.

Er... don't ask me, I just know it seems to work...

-Miles
-- 
"Most attacks seem to take place at night, during a rainstorm, uphill,
 where four map sheets join."   -- Anon. British Officer in WW I

  reply	other threads:[~2004-10-04 21:20 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-10-04  5:53 `exec shield' test in configure too strict? Miles Bader
2004-10-04 15:04 ` Jan D.
2004-10-04 21:20   ` Miles Bader [this message]
2004-10-04 21:37     ` Jan D.
2004-10-05 20:40     ` Jan D.
2004-10-05 21:44       ` Stefan Monnier
2004-10-05 22:11         ` Jan D.
2004-10-06  0:18           ` Stefan
2004-10-06  1:34             ` Miles Bader
2004-10-06  7:50               ` Jan D.
2004-10-06  7:56                 ` Miles Bader
2004-10-06 11:31                   ` Jan D.
2004-10-06  7:48             ` Jan D.
2004-10-06 12:58               ` Stefan Monnier
2004-10-06 11:16       ` Eli Zaretskii
2004-10-06 11:38         ` Jan D.
2004-10-07 15:44           ` Camm Maguire
2004-10-07 16:44         ` Richard Stallman
2004-10-07 18:16           ` Jan D.
2004-10-09  1:25             ` Richard Stallman
2004-10-11 10:30               ` Jan D.
2004-10-12  8:56                 ` Richard Stallman
2004-10-20 20:33                   ` Jan D.
2004-10-21 13:57                     ` Richard Stallman
2004-10-22 21:02                     ` Camm Maguire
2004-10-25 19:05                       ` Jan D.
2004-10-26 20:24                         ` Camm Maguire
2004-10-27 10:48                         ` Richard Stallman
2004-10-27 12:17                           ` Jan D.
2004-11-06 17:00                     ` other unexec problems Camm Maguire
2004-11-09  7:58                       ` Jan D.
2004-10-05 18:04 ` `exec shield' test in configure too strict? Richard Stallman

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