dock_applet.py crashed with SIGSEGV in gdk_pixbuf_get_width()

[Charlie]

I had just installed Planner 0.14.6 and attempting to move the dock icon which disappeared and the crash occurred.

ProblemType: Crash
DistroRelease: Ubuntu 17.10
Package: mate-dock-applet 0.79-1
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: MATE
Date: Sat Oct 21 11:37:17 2017
ExecutablePath: /usr/lib/mate-applets/mate-dock-applet/dock_applet.py
InstallationDate: Installed on 2017-09-29 (21 days ago)
InstallationMedia: Ubuntu-MATE 17.10 "Artful Aardvark" - Alpha amd64 (20170926)
InterpreterPath: /usr/bin/python3.6
ProcCmdline: python3 /usr/lib/mate-applets/mate-dock-applet/dock_applet.py
ProcEnviron:
 SHELL=/bin/bash
 XDG_RUNTIME_DIR=<set>
 PATH=(custom, no user)
 LANGUAGE=en_GB:en
 LANG=en_GB.UTF-8
Python3Details: /usr/bin/python3.6, Python 3.6.3, python3-minimal, 3.6.3-0ubuntu2
PythonDetails: /usr/bin/python2.7, Python 2.7.14, python-minimal, 2.7.14-2ubuntu1
SegvAnalysis:
 Segfault happened at: 0x7fb63b6d5246 <gdk_pixbuf_get_width+22>: cmp %rax,(%rdx)
 PC (0x7fb63b6d5246) ok
 source "%rax" ok
 destination "(%rdx)" (0x7fb63dd4ff3abb49) not located in a known VMA region (needed writable region)!
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: mate-dock-applet
StacktraceTop:
 gdk_pixbuf_get_width () from /usr/lib/x86_64-linux-gnu/libgdk_pixbuf-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
Title: dock_applet.py crashed with SIGSEGV in gdk_pixbuf_get_width()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Launchpad Janitor (janitor)]

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

[Launchpad Janitor (janitor)]

[Expired for mate-dock-applet (Ubuntu) because there has been no activity for 60 days.]

[Launchpad Janitor (janitor)]

[Expired for gdk-pixbuf (Ubuntu) because there has been no activity for 60 days.]