GNU bug report logs - #47244
28.0.50; SIGSEGV in long-runnning Emacs

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Package: emacs;

Reported by: Michael Welsh Duggan <md5i <at> md5i.com>

Date: Thu, 18 Mar 2021 15:40:01 UTC

Severity: normal

Found in version 28.0.50

Done: Michael Welsh Duggan <mwd <at> md5i.com>

Bug is archived. No further changes may be made.

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From: martin rudalics <rudalics <at> gmx.at>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: mwd <at> md5i.com, 47244 <at> debbugs.gnu.org, schwab <at> linux-m68k.org, mwd <at> cert.org
Subject: bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs
Date: Fri, 19 Mar 2021 10:18:33 +0100

> Sorry, I don't understand: when kill-buffer kills the current buffer,
> it replaces it with another one.  Are you saying we have a way of
> killing buffers that bypasses kill-buffer? if so, can you describe how
> that can be done?
>
> Or what else am I missing?

Redisplay occasionally does things like

	      saved_current_buffer = current_buffer;
	      current_buffer = XBUFFER (w->contents);
	      ...
 	      current_buffer = saved_current_buffer;

What if ... killed saved_current_buffer?

martin
This bug report was last modified 4 years and 28 days ago.

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