GNU bug report logs - #71929
30.0.60; crash in mark_image_cache

Previous Next

Package: emacs;

Reported by: Sean Whitton <spwhitton <at> spwhitton.name>

Date: Thu, 4 Jul 2024 02:34:02 UTC

Severity: normal

Found in version 30.0.60

Done: Po Lu <luangruo <at> yahoo.com>

Bug is archived. No further changes may be made.

Full log

Message #11 received at 71929 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Sean Whitton <spwhitton <at> spwhitton.name>
Cc: 71929 <at> debbugs.gnu.org
Subject: Re: bug#71929: 30.0.60; crash in mark_image_cache
Date: Thu, 04 Jul 2024 08:53:41 +0300

> From: Sean Whitton <spwhitton <at> spwhitton.name>
> Date: Thu, 04 Jul 2024 10:44:04 +0800
> 
> Hello,
> 
> On Thu 04 Jul 2024 at 10:33am +08, Sean Whitton wrote:
> 
> > My pgtk Emacs keeps crashing.  This time I think I caught it.
> > I see there was a recent commit to code around here; if this backtrace
> > is not sufficient, I can try bisecting, but I cannot currently reproduce
> > the crash reliably.
> >
> > Thread 1 "emacs" received signal SIGSEGV, Segmentation fault.
> > 0x00005555557a2c51 in mark_image_cache (c=0x55555729fc70) at image.c:3775
> > 3775		if (c->images[i])
> > (gdb)
> 
> ... and i was 0, i.e. it crashes on the first iteration.

What is the value of c->images?  IOW, why did this line segfault?
This bug report was last modified 301 days ago.

Previous Next

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