GNU bug report logs - #66416
29.1; Crashes when visiting HELLO file with pgtk on Wayland

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Message #71 received at 66416 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Yuchen Guo <yguo <at> posteo.net>, Po Lu <luangruo <at> yahoo.com>
Cc: 66416 <at> debbugs.gnu.org
Subject: Re: bug#66416: GDB output from new crash
Date: Thu, 12 Oct 2023 15:31:09 +0300

> From: Yuchen Guo <yguo <at> posteo.net>
> Cc: 66416 <at> debbugs.gnu.org
> Date: Thu, 12 Oct 2023 11:22:47 +0000
> 
> Eli Zaretskii <eliz <at> gnu.org> writes:
> 
> > Assuming you still have this session caught in GDB, please type at the
> > GDB prompt:
> >
> >   (gdb) fr 8
> >   (gdb) p cache
> >   (gdb) p ftcrfont_info->metrics[row]
> >
> > and post the results here.
> >
> > Thanks.
> 
> #8  ftcrfont_glyph_extents (font=0x3fe60998, glyph=1182, metrics=metrics <at> entry=0x0) at ftcrfont.c:94
> warning: Source file is more recent than executable.
> 94	  if (METRICS_STATUS (cache) == METRICS_INVALID)
> $1 = (struct font_metrics *) 0x12d
> $2 = (struct font_metrics *) 0x1
> quit

Po Lu, any idea what happened here?  ftcrfont_info->metrics is clearly
bogus, but how did it happen and why?  The argument FONT seems to be
valid.

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