xfce4-taskmanager crashed with SIGSEGV in g_type_check_instance_is_fundamentally_a()

[BenginM]

This crash happened suddenly ....

ProblemType: Crash
DistroRelease: Ubuntu 17.10
Package: xfce4-taskmanager 1.2.0-0ubuntu1
ProcVersionSignature: Ubuntu 4.12.0-13.14-generic 4.12.10
Uname: Linux 4.12.0-13-generic x86_64
ApportVersion: 2.20.7-0ubuntu1
Architecture: amd64
CurrentDesktop: XFCE
Date: Fri Sep 29 11:55:28 2017
ExecutablePath: /usr/bin/xfce4-taskmanager
InstallationDate: Installed on 2017-08-08 (51 days ago)
InstallationMedia: Xubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
ProcCmdline: xfce4-taskmanager
SegvAnalysis:
 Segfault happened at: 0x7efd12d15d5f <g_type_check_instance_is_fundamentally_a+15>: mov (%rdx),%rdx
 PC (0x7efd12d15d5f) ok
 source "(%rdx)" (0x1f00000020) not located in a known VMA region (needed readable region)!
 destination "%rdx" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: xfce4-taskmanager
StacktraceTop:
 g_type_check_instance_is_fundamentally_a () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_object_ref () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libwnck-1.so.22
 ?? () from /usr/lib/x86_64-linux-gnu/libwnck-1.so.22
 ?? () from /usr/lib/x86_64-linux-gnu/libwnck-1.so.22
Title: xfce4-taskmanager crashed with SIGSEGV in g_type_check_instance_is_fundamentally_a()
UpgradeStatus: Upgraded to artful on 2017-08-08 (51 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 g_type_check_instance_is_fundamentally_a (type_instance=type_instance@entry=0x5606b83079e0, fundamental_type=fundamental_type@entry=80) at ../../../../gobject/gtype.c:4025
 g_object_ref (_object=0x5606b83079e0) at ../../../../gobject/gobject.c:3180
 set_icon (class_group=class_group@entry=0x5606b8544700) at class-group.c:439
 _wnck_class_group_remove_window (class_group=class_group@entry=0x5606b8544700, window=window@entry=0x5606b85a8a10) at class-group.c:494
 update_client_list (screen=0x5606b8574ac0) at screen.c:1673

[Sean Davis (bluesabre)]

Xubuntu 17.10 is EOL. Marking this ticket as closed. If you are able to reproduce in a recent supported release (focal, impish, jammy), please reopen this ticket or create a new one. Thanks!