mate-panel crashed with SIGSEGV in g_slist_remove_all()

[Bobses]

Nothing special.

ProblemType: Crash
DistroRelease: Ubuntu 15.04
Package: mate-panel 1.8.1+dfsg1-3
ProcVersionSignature: Ubuntu 3.18.0-13.14-generic 3.18.5
Uname: Linux 3.18.0-13-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.16.1-0ubuntu2
Architecture: amd64
CrashCounter: 1
CurrentDesktop: MATE
Date: Sat Feb 28 09:02:13 2015
ExecutablePath: /usr/bin/mate-panel
InstallationDate: Installed on 2015-02-20 (7 days ago)
InstallationMedia: Ubuntu MATE 15.04 "Vivid Vervet" - Alpha2 amd64 (20150123)
ProcCmdline: mate-panel
SegvAnalysis:
 Segfault happened at: 0x7fb38cf597bc <g_slist_remove_all+44>: cmp %rbp,(%rdi)
 PC (0x7fb38cf597bc) 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

[Apport retracing service (apport)]

StacktraceTop:
 g_slist_remove_all (list=0xffffffff00ffffff, data=data@entry=0x140a250) at /build/buildd/glib2.0-2.43.90/./glib/gslist.c:445
 gtk_rc_clear_realized_style (key=0x140a250, value=<optimized out>, data=<optimized out>) at /build/buildd/gtk+2.0-2.24.26/gtk/gtkrc.c:1665
 g_hash_table_foreach (hash_table=0x13be520, func=func@entry=0x7fb38e9ddb60 <gtk_rc_clear_realized_style>, user_data=user_data@entry=0x0) at /build/buildd/glib2.0-2.43.90/./glib/ghash.c:1607
 IA__gtk_rc_reset_styles (settings=0x12eecc0) at /build/buildd/gtk+2.0-2.24.26/gtk/gtkrc.c:1711
 g_closure_invoke (closure=0x1465290, return_value=0x0, n_param_values=2, param_values=0x7fff45822250, invocation_hint=0x7fff458221f0) at /build/buildd/glib2.0-2.43.90/./gobject/gclosure.c:768

[Launchpad Janitor (janitor)]

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