#0  _IO_new_fclose (fp=0x0) at iofclose.c:54
  [Error: iofclose.c was not found in source tree]
#1  0x00009b22 in whoopsie_automatic_reporting_changed () at whoopsie-preferences.c:195
  190: 
  191:     /* I'm aware this is usually a race, but it's really just to guard against
  192:      * writing the file when it already exists. */
  193:     if (iface->get_automatically_report_crashes (object)) {
  194:         if (access ("/etc/apport/autoreport", F_OK) < 0) {
  195:             fclose (fopen ("/etc/apport/autoreport", "w"));
  196:         }
  197:     } else {
  198:         if (access ("/etc/apport/autoreport", F_OK) != -1) {
  199:             unlink ("/etc/apport/autoreport");
  200:         }
#2  0x40645322 in g_closure_invoke () from /tmp/apport_sandbox_9ZCct8/usr/lib/arm-linux-gnueabihf/libgobject-2.0.so.0
#3  0x40651d06 in signal_emit_unlocked_R () at /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c:3586
  [Error: /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c was not found in source tree]
#4  0x40657170 in g_signal_emit_valist () at /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c:3330
  [Error: /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c was not found in source tree]
#5  0x406573b0 in g_signal_emit () at /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c:3386
  [Error: /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c was not found in source tree]
#6  0x40647d58 in g_object_dispatch_properties_changed () from /tmp/apport_sandbox_9ZCct8/usr/lib/arm-linux-gnueabihf/libgobject-2.0.so.0
#7  0x406477c8 in g_object_notify_queue_thaw () from /tmp/apport_sandbox_9ZCct8/usr/lib/arm-linux-gnueabihf/libgobject-2.0.so.0
#8  0x4064a50e in g_object_set_valist () from /tmp/apport_sandbox_9ZCct8/usr/lib/arm-linux-gnueabihf/libgobject-2.0.so.0
#9  0x4064a954 in g_object_set () from /tmp/apport_sandbox_9ZCct8/usr/lib/arm-linux-gnueabihf/libgobject-2.0.so.0
#10 0x00009688 in whoopsie_preferences_on_set_automatically_report_crashes () at whoopsie-preferences.c:279
  274:                                             WhoopsiePreferences* object,
  275:                                             GDBusMethodInvocation* invocation,
  276:                                             gboolean report,
  277:                                             gpointer user_data)
  278: {
  279:     whoopsie_preferences_set_automatically_report_crashes (object, report);
  280:     whoopsie_preferences_complete_set_automatically_report_crashes (object, invocation);
  281:     return TRUE;
  282: }
  283: 
  284: static gboolean
#11 0x40f24944 in ffi_call_VFP () at ../src/arm/sysv.S:391
  [Error: ../src/arm/sysv.S was not found in source tree]
#12 0x40f24e6c in ffi_call () from /tmp/apport_sandbox_9ZCct8/usr/lib/arm-linux-gnueabihf/libffi.so.6
#13 0x406458f2 in g_cclosure_marshal_generic () from /tmp/apport_sandbox_9ZCct8/usr/lib/arm-linux-gnueabihf/libgobject-2.0.so.0
#14 0x40645322 in g_closure_invoke () from /tmp/apport_sandbox_9ZCct8/usr/lib/arm-linux-gnueabihf/libgobject-2.0.so.0
#15 0x40651d06 in signal_emit_unlocked_R () at /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c:3586
  [Error: /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c was not found in source tree]
#16 0x4065683a in g_signal_emitv () at /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c:3063
  [Error: /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c was not found in source tree]
#17 0x402d317a in _whoopsie_preferences_skeleton_handle_method_call () from /tmp/apport_sandbox_9ZCct8/usr/lib/arm-linux-gnueabihf/libwhoopsie-preferences.so.0
#18 0x405452f0 in dispatch_invoke_in_context_func () from /tmp/apport_sandbox_9ZCct8/usr/lib/arm-linux-gnueabihf/libgio-2.0.so.0
#19 0x4076eb6a in g_main_context_dispatch () from /tmp/apport_sandbox_9ZCct8/lib/arm-linux-gnueabihf/libglib-2.0.so.0
#20 0x4076edca in g_main_context_iterate.isra.22 () from /tmp/apport_sandbox_9ZCct8/lib/arm-linux-gnueabihf/libglib-2.0.so.0
#21 0x4076f0e8 in g_main_loop_run () from /tmp/apport_sandbox_9ZCct8/lib/arm-linux-gnueabihf/libglib-2.0.so.0
#22 0x000093b0 in main () at whoopsie-preferences.c:430
  425:                                on_name_acquired,
  426:                                on_name_lost,
  427:                                NULL, NULL);
  428: 
  429:     loop = g_main_loop_new (NULL, FALSE);
  430:     g_main_loop_run (loop);
  431:     g_bus_unown_name (owner_id);
  432:     g_main_loop_unref (loop);
  433:     if (key_file)
  434:         g_key_file_free (key_file);
  435:     return 0;