Ubuntu
fcitx-qimpanel package

fcitx-qimpanel crashed with SIGSEGV in QtSharedPointer::ExternalRefCountData::getAndRef()

Bug #1569829 reported by Kai Li on 2016-04-13

10

This bug affects 1 person

Affects		Status	Importance	Assigned to	Milestone
	fcitx-qimpanel (Ubuntu)	Triaged	Medium	xiaoyiwu

Bug Description

I'm typing in firefox, this crash just happened.

ProblemType: Crash
DistroRelease: Ubuntu 16.04
Package: fcitx-ui-qimpanel 2.1.2-1
ProcVersionSignature: Ubuntu 4.4.0-18.34-generic 4.4.6
Uname: Linux 4.4.0-18-generic x86_64
ApportVersion: 2.20.1-0ubuntu1
Architecture: amd64
CrashCounter: 1
CurrentDesktop: MATE
Date: Wed Apr 13 19:06:37 2016
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/fcitx-qimpanel
InstallationDate: Installed on 2016-04-13 (0 days ago)
InstallationMedia: Ubuntu-MATE 16.04 LTS "Xenial Xerus" - Beta amd64 (20160413)
ProcCmdline: fcitx-qimpanel
SegvAnalysis:
Segfault happened at: 0x7f94b1785a1a <_ZN15QtSharedPointer20ExternalRefCountData9getAndRefEPK7QObject+10>: mov 0x68(%rbp),%rbx
PC (0x7f94b1785a1a) ok
source "0x68(%rbp)" (0x000005b6) not located in a known VMA region (needed readable region)!
destination "%rbx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: fcitx-qimpanel
StacktraceTop:
QtSharedPointer::ExternalRefCountData::getAndRef(QObject const*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
QAction::activate(QAction::ActionEvent) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
QMenu::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
Title: fcitx-qimpanel crashed with SIGSEGV in QtSharedPointer::ExternalRefCountData::getAndRef()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

Tags:

Revision history for this message

Kai Li (kai-li-jx) wrote on 2016-04-13:

#1

Dependencies.txt Edit (10.5 KiB, text/plain; charset="utf-8")
Disassembly.txt Edit (1.7 KiB, text/plain; charset="utf-8")
JournalErrors.txt Edit (20.8 KiB, text/plain; charset="utf-8")
ProcEnviron.txt Edit (302 bytes, text/plain; charset="utf-8")
ProcMaps.txt Edit (73.1 KiB, text/plain; charset="utf-8")
ProcStatus.txt Edit (954 bytes, text/plain; charset="utf-8")
Registers.txt Edit (734 bytes, text/plain; charset="utf-8")
Stacktrace.txt Edit (4.9 KiB, text/plain; charset="utf-8")
ThreadStacktrace.txt Edit (8.6 KiB, text/plain; charset="utf-8")
XsessionErrors.txt Edit (1.0 KiB, text/plain; charset="utf-8")

Revision history for this message

Apport retracing service (apport) wrote on 2016-04-13:

#2

StacktraceTop:
QtSharedPointer::ExternalRefCountData::getAndRef(QObject const*) () from /tmp/apport_sandbox_HnY7f0/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
QAction::activate(QAction::ActionEvent) () from /tmp/apport_sandbox_HnY7f0/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
QMenuPrivate::activateCausedStack(QList<QPointer<QWidget> > const&, QAction*, QAction::ActionEvent, bool) () from /tmp/apport_sandbox_HnY7f0/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
QMenuPrivate::activateAction(QAction*, QAction::ActionEvent, bool) () from /tmp/apport_sandbox_HnY7f0/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
QMenu::mouseReleaseEvent(QMouseEvent*) () from /tmp/apport_sandbox_HnY7f0/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5

Revision history for this message

Apport retracing service (apport) wrote on 2016-04-13: Stacktrace.txt

#3

Stacktrace.txt Edit (4.5 KiB, text/plain)

Revision history for this message

Apport retracing service (apport) wrote on 2016-04-13: StacktraceSource.txt

#4

StacktraceSource.txt Edit (3.6 KiB, text/plain)

Revision history for this message

Apport retracing service (apport) wrote on 2016-04-13: ThreadStacktrace.txt

#5

ThreadStacktrace.txt Edit (10.8 KiB, text/plain)

Changed in fcitx-qimpanel (Ubuntu):
importance:	Undecided → Medium
tags:	removed: need-amd64-retrace

Aron Xu (happyaron) on 2016-12-21

Changed in fcitx-qimpanel (Ubuntu):
assignee:	nobody → xiaoyiwu (xiaoyiwu)
information type:	Private → Public

Aron Xu (happyaron) on 2016-12-21

Changed in fcitx-qimpanel (Ubuntu):
status:	New → Triaged

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