GNU bug report logs - #61960
30.0.50; Unexec build reliably crashes during loadup

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Package: emacs;

Reported by: Eli Zaretskii <eliz <at> gnu.org>

Date: Sat, 4 Mar 2023 14:56:02 UTC

Severity: normal

Found in version 30.0.50

Done: Stefan Kangas <stefankangas <at> gmail.com>

Bug is archived. No further changes may be made.

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From: Po Lu <luangruo <at> yahoo.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: hi-angel <at> yandex.ru, 61960 <at> debbugs.gnu.org, akrl <at> sdf.org
Subject: bug#61960: 30.0.50; Unexec build reliably crashes during loadup
Date: Thu, 16 Mar 2023 08:30:00 +0800

Eli Zaretskii <eliz <at> gnu.org> writes:

> Why astonishing?  AFAIR, it was supposed to work, so unless it
> bit-rotted, it should still build and work.

For example: Emacs with pdumper is supposed to be able to write into
objects in pure space.  But that will crash an unexec build without the
necessary protections with a write into program text, and AFAIK those
protections are disabled if HAVE_PDUMPER.
This bug report was last modified 95 days ago.

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