#0  0x0000000000000000 in  ()
#1  0x00007f487fc92fda in process_event (bindings=<optimized out>, n_bindings=<optimized out>, display=display@entry=0x55974e29df80, screen=screen@entry=0x55974e299160, window=window@entry=0x0, event=event@entry=0x7ffd92fc63f0, keysym=65289, on_window=0, allow_release=0, mouse_grab_move=0) at core/keybindings.c:1582
        handler = 0x55974ddcd140
        i = <optimized out>
        mask = <optimized out>
#2  0x00007f487fc9538f in process_modifier_key (allow_key_up=<synthetic pointer>, have_window=<optimized out>, keysym=65289, event=0x7ffd92fc63f0, window=0x0, screen=0x55974e299160, display=0x55974e29df80) at core/keybindings.c:1627
        keysym = 65289
        keep_grab = <optimized out>
        all_keys_grabbed = 0
        handled = <optimized out>
        allow_key_up = 0
        mouse_grab_move = <optimized out>
        str = <optimized out>
        screen = 0x55974e299160
        __func__ = "meta_display_process_key_event"
#3  meta_display_process_key_event (display=display@entry=0x55974e29df80, window=window@entry=0x0, event=event@entry=0x7ffd92fc63f0) at core/keybindings.c:1736
        keysym = 65289
        keep_grab = <optimized out>
        all_keys_grabbed = 0
        handled = <optimized out>
        allow_key_up = 0
        mouse_grab_move = <optimized out>
        str = <optimized out>
        screen = 0x55974e299160
        __func__ = "meta_display_process_key_event"
#4  0x00007f487fc8a80a in event_callback (event=0x7ffd92fc63f0, data=0x55974e29df80) at core/display.c:1815
        window = <optimized out>
        property_for_window = <optimized out>
        display = 0x55974e29df80
        modified = <optimized out>
        frame_was_receiver = <optimized out>
        bypass_compositor = 0
        filter_out_event = <optimized out>
#5  0x00007f487fcd8eaa in filter_func (xevent=0x7ffd92fc63f0, event=<optimized out>, data=<optimized out>) at ui/ui.c:243
        display = 0x55974e29df80
        __func__ = "filter_func"
#6  0x00007f487efe187f in  () at /lib/x86_64-linux-gnu/libgdk-3.so.0
#7  0x00007f487efe1bb2 in  () at /lib/x86_64-linux-gnu/libgdk-3.so.0
#8  0x00007f487efa80f4 in gdk_display_get_event () at /lib/x86_64-linux-gnu/libgdk-3.so.0
#9  0x00007f487efe1916 in  () at /lib/x86_64-linux-gnu/libgdk-3.so.0
#10 0x00007f487fb5f01b in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f487fb5f2c8 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f487fb5f5e3 in g_main_loop_run () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007f487fc977d2 in meta_run () at core/main.c:619
        log_domains = {0x0, 0x7f487fce5178 "muffin", 0x7f487fce4188 "Gtk", 0x7f487fce418c "Gdk", 0x7f487fce4190 "Pango", 0x7f487fce4196 "GLib-GObject", 0x7f487fce41a3 "GThread"}
        i = 7
#14 0x000055974d340254 in main (argc=<optimized out>, argv=<optimized out>) at core/muffin.c:87
        ctx = 0x55974dc3ef10
        error = 0x0