GNU bug report logs - #60144
30.0.50; PGTK Emacs crashes after signal

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From: Po Lu <luangruo <at> yahoo.com>
To: Karl Otness <karl <at> karlotness.com>
Cc: 60144 <at> debbugs.gnu.org
Subject: bug#60144: 30.0.50; PGTK Emacs crashes after signal
Date: Sun, 18 Dec 2022 10:08:59 +0800

Karl Otness <karl <at> karlotness.com> writes:

>> #0  Fsignal (error_symbol=error_symbol <at> entry=0x2f40, data=0x55bed53eeac3) at eval.c:1681
>> #1  0x000055bece1213bf in xsignal (data=<optimized out>, error_symbol=0x2f40) at emacs/src/lisp.h:4558
>> #2  xsignal1 (error_symbol=error_symbol <at> entry=0x2f40, arg=arg <at> entry=0x82) at eval.c:1878
>> #3  0x000055bece1253e3 in get_char_property_and_overlay (position=0x82, prop=0x5a90, object=0x7f105451a265, overlay=0x0) at textprop.c:644
>> #4  0x000055bece156110 in string_buffer_position_lim (string=string <at> entry=0x55bed52e8b24, from=from <at> entry=32, to=to <at> entry=1032, back_p=back_p <at> entry=false) at xdisp.c:6246
>> #5  0x000055bece1561fa in string_buffer_position (string=0x55bed52e8b24, around_charpos=32) at xdisp.c:6284
>> #6  0x000055bece1aaddb in note_mouse_highlight (f=f <at> entry=0x55bed1a839e8, x=<optimized out>, y=<optimized out>) at xdisp.c:35339
>> #7  0x000055bece4039ac in note_mouse_movement (event=0x55bed1ce6030, frame=0x55bed1a839e8) at pgtkterm.c:5821
>> #8  motion_notify_event (widget=widget <at> entry=0x55bed2024130, event=0x55bed1ce6030, user_data=<optimized out>) at pgtkterm.c:5905
>> #9  0x00007f105c684fd8 in _gtk_marshal_BOOLEAN__BOXED (closure=0x55bed1ef9f40, return_value=0x7ffebc5ae480, n_param_values=<optimized out>, param_values=0x7ffebc5ae4e0, invocation_hint=<optimized out>, marshal_data=<optimized out>)
>>     at gtk/gtkmarshalers.c:84
>> #10 0x00007f105c095210 in g_closure_invoke (closure=0x55bed1ef9f40, return_value=0x7ffebc5ae480, n_param_values=2, param_values=0x7ffebc5ae4e0, invocation_hint=0x7ffebc5ae460) at ../glib/gobject/gclosure.c:832
>> #11 0x00007f105c0c2ea8 in signal_emit_unlocked_R.isra.0
>>     (node=<optimized out>, detail=detail <at> entry=0, instance=instance <at> entry=0x55bed2024130, emission_return=emission_return <at> entry=0x7ffebc5ae5f0, instance_and_params=instance_and_params <at> entry=0x7ffebc5ae4e0)
>>     at ../glib/gobject/gsignal.c:3796
>> #12 0x00007f105c0b2980 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args <at> entry=0x7ffebc5ae6a0) at ../glib/gobject/gsignal.c:3559
>> #13 0x00007f105c0b3204 in g_signal_emit (instance=instance <at> entry=0x55bed2024130, signal_id=<optimized out>, detail=detail <at> entry=0) at ../glib/gobject/gsignal.c:3606
>> #14 0x00007f105c9447f5 in gtk_widget_event_internal.part.0.lto_priv.0 (widget=0x55bed2024130, event=0x55bed1ce6030) at ../gtk/gtk/gtkwidget.c:7812
>> #15 0x00007f105c7e20db in propagate_event_up (topmost=<optimized out>, event=<optimized out>, widget=0x55bed2024130) at ../gtk/gtk/gtkmain.c:2588
>> #16 propagate_event (widget=widget <at> entry=0x55bed2024130, event=event <at> entry=0x55bed1ce6030, captured=captured <at> entry=0, topmost=topmost <at> entry=0x0) at ../gtk/gtk/gtkmain.c:2691
>> #17 0x00007f105c7e2212 in gtk_propagate_event (widget=widget <at> entry=0x55bed2024130, event=event <at> entry=0x55bed1ce6030) at ../gtk/gtk/gtkmain.c:2725
>> #18 0x00007f105c7e2fbb in gtk_main_do_event (event=<optimized out>) at ../gtk/gtk/gtkmain.c:1921
>> #19 gtk_main_do_event (event=<optimized out>) at ../gtk/gtk/gtkmain.c:1691
>> #20 0x00007f105c542cd3 in _gdk_event_emit (event=0x55bed1ce6030) at ../gtk/gdk/gdkevents.c:73
>> #21 _gdk_event_emit (event=0x55bed1ce6030) at ../gtk/gdk/gdkevents.c:67

Thanks.  This sounds awfully like another bug that was fixed last month.
Would someone please take a look at this? note_mouse_highlight should
never signal.

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