mate-panel crashed with SIGSEGV in g_slist_remove_all()

[chest069]

This error came up after installing updates and restarting computer.

ProblemType: Crash
DistroRelease: Ubuntu 16.04
Package: mate-panel 1.12.1-1
ProcVersionSignature: Ubuntu 4.4.0-2.16-generic 4.4.0
Uname: Linux 4.4.0-2-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.19.4-0ubuntu2
Architecture: amd64
CurrentDesktop: MATE
Date: Wed Feb 3 18:38:31 2016
ExecutablePath: /usr/bin/mate-panel
InstallationDate: Installed on 2016-01-07 (27 days ago)
InstallationMedia: Ubuntu-MATE 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160103)
ProcCmdline: mate-panel
ProcEnviron:
 LANGUAGE=en_US
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f6f739e5b3c <g_slist_remove_all+44>: cmp %rbp,(%rdi)
 PC (0x7f6f739e5b3c) ok
 source "%rbp" ok
 destination "(%rdi)" (0xffffffff00ffffff) not located in a known VMA region (needed writable region)!
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: mate-panel
StacktraceTop:
 g_slist_remove_all () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
 g_hash_table_foreach () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 gtk_rc_reset_styles () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
 g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: mate-panel crashed with SIGSEGV in g_slist_remove_all()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
XsessionErrors:
 mate-session[1306]: WARNING: Unable to find provider '' of required component 'dock'
 (nm-applet:1488): Gdk-CRITICAL **: gdk_window_thaw_toplevel_updates: assertion 'window->update_and_descendants_freeze_count > 0' failed
 (mate-panel:1422): GLib-GObject-CRITICAL **: g_object_unref: assertion 'G_IS_OBJECT (object)' failed
 (nm-applet:1488): libappindicator-WARNING **: Unable to connect to the Notification Watcher: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name :1.44 was not provided by any .service files
 (tilda:1498): Gtk-WARNING **: Failed to fetch network locations: Timeout was reached

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1426648, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.