fcitx-qimpanel crashed with SIGSEGV in QString()

[Mr.giveup]

nothing.

ProblemType: Crash
DistroRelease: Ubuntu 15.04
Package: fcitx-ui-qimpanel 2.1.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.19.0-12.12-generic 3.19.3
Uname: Linux 3.19.0-12-generic i686
NonfreeKernelModules: wl
ApportVersion: 2.17-0ubuntu1
Architecture: i386
CrashCounter: 1
CurrentDesktop: GNOME
Date: Sun Apr 5 07:01:18 2015
ExecutablePath: /usr/bin/fcitx-qimpanel
InstallationDate: Installed on 2014-06-02 (306 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release i386 (20140417)
ProcCmdline: fcitx-qimpanel
SegvAnalysis:
 Segfault happened at: 0xb6f8438b <_ZNK7QAction4textEv+27>: mov 0x48(%ecx),%edx
 PC (0xb6f8438b) ok
 source "0x48(%ecx)" (0x00000049) not located in a known VMA region (needed readable region)!
 destination "%edx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: fcitx-qimpanel
StacktraceTop:
 QAction::text() const () from /usr/lib/i386-linux-gnu/libQt5Widgets.so.5
 SystemTrayMenu::skinMenuItemOnClick(QAction*) ()
 SystemTrayMenu::doUpdateSkinListMenu() ()
 SystemTrayMenu::updateMainMenu() ()
 SystemTrayMenu::init() ()
Title: fcitx-qimpanel crashed with SIGSEGV in QAction::text()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dialout dip disk fuse lpadmin plugdev sambashare sudo video

[Apport retracing service (apport)]

StacktraceTop:
 QString (other=..., this=0xbff0f448) at ../../include/QtCore/../../src/corelib/tools/qstring.h:811
 QAction::text (this=0xbff0f500) at kernel/qaction.cpp:737
 SystemTrayMenu::skinMenuItemOnClick (this=0x84a1438, action=0xbff0f500) at /build/buildd/fcitx-qimpanel-2.1.0/system_tray_menu.cpp:493
 SystemTrayMenu::doUpdateSkinListMenu (this=0x84a1438) at /build/buildd/fcitx-qimpanel-2.1.0/system_tray_menu.cpp:486
 SystemTrayMenu::updateMainMenu (this=0x84a1438) at /build/buildd/fcitx-qimpanel-2.1.0/system_tray_menu.cpp:132

[Launchpad Janitor (janitor)]

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