wrapper-2.0 crashed with SIGSEGV in g_list_foreach()

[Mandofab]

Was in the middle of an update when the message popped up

ProblemType: Crash
DistroRelease: Ubuntu 19.04
Package: libxfce4panel-2.0-4 4.13.4-1
ProcVersionSignature: Ubuntu 5.0.0-7.8-generic 5.0.0
Uname: Linux 5.0.0-7-generic x86_64
ApportVersion: 2.20.10-0ubuntu23
Architecture: amd64
CrashCounter: 1
CurrentDesktop: XFCE
Date: Tue Mar 26 07:17:41 2019
ExecutablePath: /usr/lib/x86_64-linux-gnu/xfce4/panel/wrapper-2.0
InstallationDate: Installed on 2017-10-20 (521 days ago)
InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
ProcCmdline: /usr/lib/x86_64-linux-gnu/xfce4/panel/wrapper-2.0 /usr/lib/x86_64-linux-gnu/xfce4/panel/plugins/libwhiskermenu.so 9 10485767 whiskermenu Whisker\ Menu Show\ a\ menu\ to\ easily\ access\ installed\ applications
SegvAnalysis:
 Segfault happened at: 0x7fcdef019ca0 <g_list_foreach+16>: mov 0x8(%rdi),%rbx
 PC (0x7fcdef019ca0) ok
 source "0x8(%rdi)" (0x00000072) not located in a known VMA region (needed readable region)!
 destination "%rbx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: xfce4-panel
StacktraceTop:
 g_list_foreach () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_list_free_full () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgarcon-1.so.0
 g_object_unref () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_value_unset () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: wrapper-2.0 crashed with SIGSEGV in g_list_foreach()
UpgradeStatus: Upgraded to disco on 2019-02-07 (46 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
separator:

[Apport retracing service (apport)]

StacktraceTop:
 g_list_foreach (list=0x6a, list@entry=0x55ee122b5520, func=0x7fcdecda5c60 <garcon_menu_item_action_unref>, user_data=user_data@entry=0x0) at ../../../glib/glist.c:1012
 g_list_free_full (list=0x55ee122b5520, free_func=<optimized out>) at ../../../glib/glist.c:223
 garcon_menu_item_finalize (object=0x7fcde002cdb0) at garcon-menu-item.c:424
 g_object_unref (_object=<optimized out>) at ../../../gobject/gobject.c:3346
 g_object_unref (_object=0x7fcde002cdb0) at ../../../gobject/gobject.c:3238

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.