gnome-disks crashed with SIGSEGV in g_type_check_instance_is_fundamentally_a()

[SignedAdam]

deleting partitions in "Disks" when it closed on its own, and asked me to report the problem

ProblemType: Crash
DistroRelease: Ubuntu 15.04
Package: gnome-disk-utility 3.14.0-0ubuntu2
ProcVersionSignature: Ubuntu 3.19.0-10.10-generic 3.19.2
Uname: Linux 3.19.0-10-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.16.2-0ubuntu5
Architecture: amd64
CurrentDesktop: Unity
Date: Sat Mar 28 23:32:17 2015
ExecutablePath: /usr/bin/gnome-disks
InstallationDate: Installed on 2015-03-28 (0 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Beta amd64 (20150326)
ProcCmdline: gnome-disks
ProcEnviron:
 LANGUAGE=en_GB:en
 PATH=(custom, no username)
 XDG_RUNTIME_DIR=<set>
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f996bf9343d <g_type_check_instance_is_fundamentally_a+13>: mov (%rax),%rax
 PC (0x7f996bf9343d) ok
 source "(%rax)" (0x100000000) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: gnome-disk-utility
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/libgobject-2.0.so.0
 g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: gnome-disks crashed with SIGSEGV in g_type_check_instance_is_fundamentally_a()
UpgradeStatus: No upgrade log present (probably fresh install)
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=0x12d1a50, fundamental_type=fundamental_type@entry=80) at /build/buildd/glib2.0-2.43.92/./gobject/gtype.c:4028
 g_object_ref (_object=_object@entry=0x12d1a50) at /build/buildd/glib2.0-2.43.92/./gobject/gobject.c:3040
 on_partition_delete_tool_button_clicked (button=<optimized out>, user_data=<optimized out>) at gduwindow.c:3524
 _g_closure_invoke_va (closure=0x12d1a50, closure@entry=0x11c4b80, return_value=0x50, return_value@entry=0x0, instance=0x12cd100, instance@entry=0x13ca2c0, args=0x124bfa0, args@entry=0x7fff0ee18a88, n_params=46, param_types=0x3) at /build/buildd/glib2.0-2.43.92/./gobject/gclosure.c:831
 g_signal_emit_valist (instance=0x13ca2c0, signal_id=<optimized out>, detail=0, var_args=0x7fff0ee18a88) at /build/buildd/glib2.0-2.43.92/./gobject/gsignal.c:3214

[Launchpad Janitor (janitor)]

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