Subject: bug#70385: Crash in note_fringe_highlight

From: Eli Zaretskii <[email-masked]>
Date: Thu, 18 Apr 2024 14:08:33 +0300

> From: Juri Linkov <[email-masked]>
> Cc: Vladimir Kazanov <[email-masked]>,  [email-masked]
> Date: Mon, 15 Apr 2024 19:39:19 +0300
> 
> > Can you reproduce at will?
> 
> It's not reproducible at will,
> and now I got a new crash.
> 
> > If so, what does the below show in GDB,
> > when Emacs segfaults and GDB kicks in?
> >
> >   (gdb) p w->current_matrix
> >   (gdb) p w->current_matrix->rows
> >   (gdb) p w->current_matrix->nrows
> >   (gdb) p w->window_end_valid
> >   (gdb) p window_outdated (w)
> 
> Thread 1 "emacs" received signal SIGSEGV, Segmentation fault.
> 0x0000555555612343 in note_fringe_highlight (part=<optimized out>, y=<optimized out>, x=<optimized out>, window=XIL(0x55555641d7cd), f=0x55555641d338) at xdisp.c:35774
> 35774	  if (window_outdated (w)
> (gdb) p w->current_matrix
> $6 = (struct glyph_matrix *) 0x55555a95b6f0
> (gdb) p w->current_matrix->rows
> $7 = (struct glyph_row *) 0x555556c14310
> (gdb) p w->current_matrix->nrows
> $8 = 7
> (gdb) p w->window_end_valid
> $9 = false
> (gdb) p window_outdated (w)
> $10 = false

Does the current master branch still crash in note_fringe_highlight?