bug#55970: 29.0.50; Emacs crashes when dragging the scroll bar with "--with-pgtk" and "--without-toolkit-scroll-bars" configure flags

[समीर सिंह Sameer Singh]

This was the output

Thread 1 "emacs" hit Breakpoint 1, terminate_due_to_signal (sig=6, backtrace_limit=40) at emacs.c:420

420     {
(gdb) frame 2
#2  0x000055555571ba26 in make_lispy_event (event=0x555555e25300 <kbd_buffer+256>) at keyboard.c:6140
6140              emacs_abort ();
(gdb) p *event
$1 = {
 kind = SCROLL_BAR_CLICK_EVENT,
 part = scroll_bar_handle,
 code = 0,
 modifiers = 0,
 x = make_fixnum(17531),
 y = make_fixnum(1244637),
 timestamp = 0,
 frame_or_window = XIL(0x5555560794a5),
 arg = XIL(0),
 device = XIL(0x30)
}

On Tue, Jun 14, 2022 at 11:14 PM Eli Zaretskii <eliz@gnu.org> wrote:

> From: समीर सिंह Sameer Singh
>  <lumarzeli30@gmail.com>
> Date: Tue, 14 Jun 2022 19:38:32 +0530
>
> Thread 1 "emacs" hit Breakpoint 1, terminate_due_to_signal (sig=6, backtrace_limit=40) at emacs.c:420
> 420     {
> (gdb) bt full
> #0  terminate_due_to_signal (sig=6, backtrace_limit=40) at emacs.c:420
> #1  0x0000555555740e5e in emacs_abort () at sysdep.c:2310
> #2  0x000055555571ba26 in make_lispy_event (event=0x555555e25300 <kbd_buffer+256>) at keyboard.c:6140
>         button = 0
>         start_pos = XIL(0)
>         is_double = false
>         position = XIL(0x5555567fd423)
>         start_pos_ptr = 0x7ffff1e414c0
>         i = -493962752

Please show the result of the following:

  (gdb) frame 2
  (gdb) p *event

(This assumes that "frame 2 gets you to the frame in make_lispy_event
above; if not adjust the frame number accordingly.)

Thanks.