I have seen a similar / possible the same crash.

(eog:5775): EOG-CRITICAL **: eog_image_get_file: assertion `EOG_IS_IMAGE (img)' failed

(eog:5775): GLib-GIO-CRITICAL **: g_file_equal: assertion `G_IS_FILE (file1)' failed

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff60ad812 in gdk_window_has_impl (window=0x0) at /build/buildd/gtk+3.0-3.1.92/./gdk/gdkwindow.c:650
650	/build/buildd/gtk+3.0-3.1.92/./gdk/gdkwindow.c: No such file or directory.
	in /build/buildd/gtk+3.0-3.1.92/./gdk/gdkwindow.c
(gdb) bt
#0  0x00007ffff60ad812 in gdk_window_has_impl (window=0x0) at /build/buildd/gtk+3.0-3.1.92/./gdk/gdkwindow.c:650
#1  _gdk_window_has_impl (window=0x0) at /build/buildd/gtk+3.0-3.1.92/./gdk/gdkwindow.c:651
#2  0x00007ffff60e51fe in gdk_x11_window_get_xid (window=0x0)
    at /build/buildd/gtk+3.0-3.1.92/./gdk/x11/gdkwindow-x11.c:4753
#3  0x00007ffff69a1b97 in new_window_registration (manager=0xa98040, toplevel=0x7c10f0) at gripgesturemanager.c:1064
#4  0x00007ffff69a2588 in register_internal (manager=0xa98040, widget=0xb4bb00, gesture_type=GRIP_GESTURE_PINCH, 
    device_type=7, touch_points=2, callback=0x4499e0 <_utouch_gesture_event>, user_data=0x0, destroy=0)
    at gripgesturemanager.c:1205
#5  0x00007ffff69a28e0 in register_widget (destroy=0, user_data=0x0, callback=0x4499e0 <_utouch_gesture_event>, 
    touch_points=2, device_type=7, gesture_type=GRIP_GESTURE_PINCH, widget=0xb4bb00, manager=0xa98040)
    at gripgesturemanager.c:1321
#6  window_mapped_cb (widget=0x7c0e20, event=<optimized out>, user_data=0xa98040) at gripgesturemanager.c:1363
#7  0x00007ffff6476803 in _gtk_marshal_BOOLEAN__BOXED (closure=0x7fffe4e4e390, return_value=0x7fffffffdfc0, 
    n_param_values=<optimized out>, param_values=0x23b3840, invocation_hint=<optimized out>, 
    marshal_data=<optimized out>) at /build/buildd/gtk+3.0-3.1.92/./gtk/gtkmarshalers.c:85
#8  0x00007ffff490a254 in g_closure_invoke (closure=0x7fffe4e4e390, return_value=0x7fffffffdfc0, n_param_values=2, 
    param_values=0x23b3840, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.29.92/./gobject/gclosure.c:774
#9  0x00007ffff491d4fb in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=0x7c0e20, 
    emission_return=0x7fffffffe100, instance_and_params=0x23b3840)
    at /build/buildd/glib2.0-2.29.92/./gobject/gsignal.c:3272
#10 0x00007ffff49269a6 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, 
    detail=<optimized out>, var_args=0x7fffffffe168) at /build/buildd/glib2.0-2.29.92/./gobject/gsignal.c:3013
#11 0x00007ffff4926ce2 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>)
    at /build/buildd/glib2.0-2.29.92/./gobject/gsignal.c:3060
#12 0x00007ffff65bef49 in gtk_widget_event_internal (widget=0x7c0e20, event=0x7fffdd024b90)
    at /build/buildd/gtk+3.0-3.1.92/./gtk/gtkwidget.c:6131
#13 0x00007ffff6476673 in gtk_main_do_event (event=0x7fffdd024b90)
    at /build/buildd/gtk+3.0-3.1.92/./gtk/gtkmain.c:1835
#14 0x00007ffff60cfa32 in gdk_event_source_dispatch (source=<optimized out>, callback=<optimized out>, 
    user_data=<optimized out>) at /build/buildd/gtk+3.0-3.1.92/./gdk/x11/gdkeventsource.c:360
#15 0x00007ffff4444b4d in g_main_dispatch (context=0x6cc410) at /build/buildd/glib2.0-2.29.92/./glib/gmain.c:2441
#16 g_main_context_dispatch (context=0x6cc410) at /build/buildd/glib2.0-2.29.92/./glib/gmain.c:3011
#17 0x00007ffff4445348 in g_main_context_iterate (context=0x6cc410, block=<optimized out>, dispatch=1, 
    self=<optimized out>) at /build/buildd/glib2.0-2.29.92/./glib/gmain.c:3089
#18 0x00007ffff4445882 in g_main_loop_run (loop=0x7a6ff0) at /build/buildd/glib2.0-2.29.92/./glib/gmain.c:3297
#19 0x00007ffff647578d in gtk_main () at /build/buildd/gtk+3.0-3.1.92/./gtk/gtkmain.c:1367
#20 0x00007ffff5bb034e in g_application_run (application=0x7a3e70, argc=<optimized out>, argv=<optimized out>)
    at /build/buildd/glib2.0-2.29.92/./gio/gapplication.c:1323
#21 0x000000000041ce8f in main (argc=1, argv=0x7fffffffe588) at main.c:168