gnome-control-center crashed with SIGSEGV in g_type_check_instance_cast()

[Consumology]

Wayland session is slowing down, before something like this happens. Does not happen on Ubuntu xorg-session.

ProblemType: Crash
DistroRelease: Ubuntu 17.10
Package: gnome-control-center 1:3.26.1-0ubuntu4
ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
Uname: Linux 4.13.0-16-generic x86_64
ApportVersion: 2.20.7-0ubuntu3
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Tue Oct 24 16:31:12 2017
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/gnome-control-center
InstallationDate: Installed on 2017-05-19 (157 days ago)
InstallationMedia: Ubuntu-GNOME 17.04 "Zesty Zapus" - Release amd64 (20170412)
ProcCmdline: gnome-control-center --overview
SegvAnalysis:
 Segfault happened at: 0x7f7574f86de2 <g_type_check_instance_cast+34>: mov (%rdi),%rbp
 PC (0x7f7574f86de2) ok
 source "(%rdi)" (0x00000029) not located in a known VMA region (needed readable region)!
 destination "%rbp" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: gnome-control-center
StacktraceTop:
 g_type_check_instance_cast () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? ()
 g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: gnome-control-center crashed with SIGSEGV in g_type_check_instance_cast()
UpgradeStatus: Upgraded to artful on 2017-10-18 (5 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 g_type_check_instance_cast (type_instance=type_instance@entry=0x56334c77dba0, iface_type=94778302508128) at ../../../../gobject/gtype.c:4057
 ext_iconsize_changed_callback (settings=0x56334bd7ed20, key=<optimized out>, user_data=0x56334c77dba0) at cc-ubuntu-panel.c:195
 g_closure_invoke (closure=0x56334b1f1e70, return_value=0x0, n_param_values=2, param_values=0x7ffd95dae2e0, invocation_hint=0x7ffd95dae260) at ../../../../gobject/gclosure.c:804
 signal_emit_unlocked_R (node=node@entry=0x56334aae6f90, detail=detail@entry=5446, instance=instance@entry=0x56334bd7ed20, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7ffd95dae2e0) at ../../../../gobject/gsignal.c:3635
 g_signal_emit_valist (instance=0x56334bd7ed20, signal_id=<optimized out>, detail=5446, var_args=var_args@entry=0x7ffd95dae4b0) at ../../../../gobject/gsignal.c:3391