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From: Eli Zaretskii <eliz@gnu.org>
To: spwhitton@spwhitton.name
Cc: Po Lu <luangruo@yahoo.com>, 71929@debbugs.gnu.org
Subject: bug#71929: 30.0.60; crash in mark_image_cache
Date: Thu, 04 Jul 2024 09:03:06 +0300	[thread overview]
Message-ID: <86ikxlae3p.fsf@gnu.org> (raw)
In-Reply-To: <86jzi1aeje.fsf@gnu.org> (message from Eli Zaretskii on Thu, 04 Jul 2024 08:53:41 +0300)

> Cc: 71929@debbugs.gnu.org
> Date: Thu, 04 Jul 2024 08:53:41 +0300
> From: Eli Zaretskii <eliz@gnu.org>
> 
> > From: Sean Whitton <spwhitton@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?

Also, what is the value of c->refcount?





  reply	other threads:[~2024-07-04  6:03 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-07-04  2:33 bug#71929: 30.0.60; crash in mark_image_cache Sean Whitton
2024-07-04  2:44 ` Sean Whitton
2024-07-04  5:53   ` Eli Zaretskii
2024-07-04  6:03     ` Eli Zaretskii [this message]
2024-07-04  6:17       ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-07-04  6:42         ` Sean Whitton
2024-07-04  6:59           ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-07-04  9:56             ` Sean Whitton
2024-07-04 12:28               ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-07-05  7:52                 ` Sean Whitton
2024-07-04  7:40           ` Eli Zaretskii
2024-07-04  9:57             ` Sean Whitton
2024-07-04 12:48               ` Eli Zaretskii
2024-07-05  0:13       ` Sean Whitton
2024-07-05  6:27         ` Eli Zaretskii
2024-07-05  6:41           ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-07-05  7:37             ` Eli Zaretskii
2024-07-05  9:36               ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-07-05 11:10                 ` Eli Zaretskii
2024-07-05 11:40                   ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-07-05 12:46                     ` Sean Whitton
2024-07-06  2:41                     ` Sean Whitton
2024-07-06  6:08                       ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-07-07  2:40                         ` Sean Whitton
2024-07-07  2:43                         ` Sean Whitton
2024-07-07  2:46                           ` Sean Whitton
2024-07-07  4:04                             ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-07-07  4:54                               ` Sean Whitton
2024-07-07  7:08                                 ` Eli Zaretskii
2024-07-07  7:41                                   ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-07-07 13:16                                     ` Sean Whitton
2024-07-07 13:47                                       ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-07-07 14:45                                         ` Sean Whitton
2024-07-09  5:48                                         ` Sean Whitton
2024-07-09 11:37                                           ` Eli Zaretskii
2024-07-10  1:12                                             ` Sean Whitton
2024-07-09 12:13                                           ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-07-09 13:44                                             ` Sean Whitton
2024-07-09 14:03                                               ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-07-09 14:18                                                 ` Eli Zaretskii
2024-07-09 15:02                                                   ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-07-09 15:45                                                     ` Eli Zaretskii
2024-07-10  1:12                                                 ` Sean Whitton
2024-07-24 13:31                                                   ` Basil L. Contovounesios
2024-07-24 13:38                                                     ` Eli Zaretskii
2024-07-24 14:10                                                       ` Po Lu via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-07-06  6:40                       ` Eli Zaretskii
2024-07-07  2:39                         ` Sean Whitton

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