ibus-engine-pinyin crashed with SIGSEGV in append()

[Freeman]

自动弹出来的

ProblemType: Crash
DistroRelease: Ubuntu 13.10
Package: ibus-pinyin 1.4.0-2build1
ProcVersionSignature: Ubuntu 3.11.0-8.15-generic 3.11.1
Uname: Linux 3.11.0-8-generic i686
ApportVersion: 2.12.4-0ubuntu1
Architecture: i386
CrashCounter: 1
Date: Sat Oct 5 16:33:16 2013
ExecutablePath: /usr/lib/ibus/ibus-engine-pinyin
InstallationDate: Installed on 2012-04-09 (543 days ago)
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
MarkForUpload: True
ProcCmdline: /usr/lib/ibus/ibus-engine-pinyin --ibus
ProcEnviron:
 LANGUAGE=zh_CN:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=zh_CN.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x804d768: movzbl (%edx),%edx
 PC (0x0804d768) ok
 source "(%edx)" (0xb8173448) not located in a known VMA region (needed readable region)!
 destination "%edx" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: ibus-pinyin
StacktraceTop:
 ?? ()
 __GI_bsearch (key=0xffe5, base=0xb8173420, nmemb=41, size=2, compar=0x804d760) at bsearch.c:37
 ?? ()
 ?? ()
 ?? ()
Title: ibus-engine-pinyin crashed with SIGSEGV in __GI_bsearch()
UpgradeStatus: Upgraded to saucy on 2013-10-05 (0 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:
 append (__s=0x80760bc ".", this=0x0) at /usr/include/c++/4.8/bits/basic_string.h:1009
 operator+= (__s=0x80760bc ".", this=0x0) at /usr/include/c++/4.8/bits/basic_string.h:942
 PY::BopomofoEditor::updateLookupTableLabel (this=0x804dedc <PY::BopomofoEditor::updatePreeditText()+172>) at PYBopomofoEditor.cc:583
 ?? ()
 utf8Length (this=0xb7386440) at PYString.h:90