From: Juri Linkov <juri@linkov.net>
To: 60096@debbugs.gnu.org
Subject: bug#60096: 29.0.60; Crash in format_mode_line_unwind_data
Date: Thu, 15 Dec 2022 19:04:30 +0200 [thread overview]
Message-ID: <86a63oen2m.fsf@mail.linkov.net> (raw)
0. emacs -Q
1. Evaluate:
(add-hook 'kill-buffer-hook
(lambda ()
(run-with-timer 0 nil (lambda () (tab-bar-select-tab 1)))))
2. Type:
C-x t 2
C-x k RET
Thread 1 "emacs" received signal SIGSEGV, Segmentation fault.
format_mode_line_unwind_data (target_frame=target_frame@entry=0x5555563c3310, obuf=<optimized out>, owin=XIL(0x55555602562d), save_proptrans=save_proptrans@entry=false) at xdisp.c:13223
13223 current_buffer = b;
(gdb) bt
#0 format_mode_line_unwind_data (target_frame=target_frame@entry=0x5555563c3310, obuf=<optimized out>, owin=XIL(0x55555602562d), save_proptrans=save_proptrans@entry=false) at xdisp.c:13223
#1 0x0000555555600752 in gui_consider_frame_title (frame=XIL(0x5555563c3315)) at xdisp.c:13417
#2 0x0000555555605219 in prepare_menu_bars () at xdisp.c:13544
#3 redisplay_internal () at xdisp.c:16462
#4 0x00005555556ea03a in read_char (commandflag=1, map=XIL(0x555556770ea3), prev_event=XIL(0), used_mouse_menu=0x7fffffffddcb, end_time=0x0) at keyboard.c:2627
#5 0x00005555556ec658 in read_key_sequence (keybuf=<optimized out>, prompt=XIL(0), dont_downcase_last=<optimized out>, can_return_switch_frame=true, fix_current_buffer=true, prevent_redisplay=<optimized out>) at keyboard.c:10074
#6 0x00005555556ee2c0 in command_loop_1 () at lisp.h:1171
#7 0x000055555576a1b7 in internal_condition_case (bfun=bfun@entry=0x5555556ee0e0 <command_loop_1>, handlers=handlers@entry=XIL(0x90), hfun=hfun@entry=0x5555556e11b0 <cmd_error>) at eval.c:1474
#8 0x00005555556d986a in command_loop_2 (handlers=handlers@entry=XIL(0x90)) at keyboard.c:1125
#9 0x000055555576a0f9 in internal_catch (tag=tag@entry=XIL(0xfa80), func=func@entry=0x5555556d9840 <command_loop_2>, arg=arg@entry=XIL(0x90)) at eval.c:1197
#10 0x00005555556d9806 in command_loop () at lisp.h:1171
#11 0x00005555556e0d08 in recursive_edit_1 () at keyboard.c:712
#12 0x00005555556e10b0 in Frecursive_edit () at keyboard.c:795
#13 0x00005555555b1a73 in main (argc=<optimized out>, argv=<optimized out>) at emacs.c:2529
Lisp Backtrace:
"redisplay_internal (C function)" (0x0)
(gdb) l
13218
13219 /* If we select a window on another frame, make sure that that
13220 selection does not leave its buffer's point modified when
13221 unwinding (Bug#32777). */
13222 ASET (vector, 10, buffer);
13223 current_buffer = b;
13224 ASET (vector, 11, build_marker (current_buffer, PT, PT_BYTE));
13225 current_buffer = cb;
13226 }
13227
(gdb) p buffer
$3 = XIL(0)
This means that at this point the value of this is nil:
XWINDOW (target_frame->selected_window)->contents;
next reply other threads:[~2022-12-15 17:04 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-15 17:04 Juri Linkov [this message]
2022-12-15 21:42 ` bug#60096: 29.0.60; Crash in format_mode_line_unwind_data Eli Zaretskii
2022-12-16 7:31 ` Juri Linkov
2022-12-16 11:46 ` Eli Zaretskii
2022-12-16 14:39 ` Eli Zaretskii
2022-12-16 15:03 ` Eli Zaretskii
2022-12-17 9:17 ` martin rudalics
2022-12-17 10:00 ` Eli Zaretskii
2022-12-17 10:53 ` Eli Zaretskii
2022-12-17 15:26 ` martin rudalics
2022-12-17 15:59 ` Eli Zaretskii
2022-12-17 17:05 ` martin rudalics
2022-12-17 17:52 ` Eli Zaretskii
2022-12-18 9:18 ` martin rudalics
2022-12-18 11:40 ` Eli Zaretskii
2022-12-17 17:23 ` Juri Linkov
2022-12-17 17:59 ` Eli Zaretskii
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