kactivitymanagerd crashed with SIGSEGV in QSqlDatabase::close()

[Laurent Bonnaud]

kactivitymanagerd crashes every time I log out of KDE/Plasma.

ProblemType: Crash
DistroRelease: Ubuntu 16.10
Package: kactivitymanagerd 5.7.5-0ubuntu1
ProcVersionSignature: Ubuntu 4.8.0-21.23-lowlatency 4.8.0
Uname: Linux 4.8.0-19-lowlatency x86_64
ApportVersion: 2.20.3-0ubuntu7
Architecture: amd64
CurrentDesktop: KDE
Date: Thu Oct 6 22:18:49 2016
ExecutablePath: /usr/bin/kactivitymanagerd
ProcCmdline: /usr/bin/kactivitymanagerd start-daemon
ProcEnviron:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f720c047441 <QSqlDatabase::close()+17>: mov 0xc0(%rax),%rax
 PC (0x7f720c047441) ok
 source "0xc0(%rax)" (0x7f720c0accd0) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: kactivitymanagerd
StacktraceTop:
 QSqlDatabase::close() (this=this@entry=0x558d4b2df678) at kernel/qsqldatabase.cpp:871
 QSqlDatabase::~QSqlDatabase() (this=0x558d4b2df678, __in_chrg=<optimized out>) at kernel/qsqldatabase.cpp:799
 QHashNode<QString, QSqlDatabase>::~QHashNode() (this=<optimized out>, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qhash.h:141
 QHash<QString, QSqlDatabase>::deleteNode2(QHashData::Node*) (node=0x558d4b2df660) at ../../include/QtCore/../../src/corelib/tools/qhash.h:519
 QHashData::free_helper(void (*)(QHashData::Node*)) (this=0x558d4b2e0c00, node_delete=0x7f720c04c7a0 <QHash<QString, QSqlDatabase>::deleteNode2(QHashData::Node*)>) at tools/qhash.cpp:538
Title: kactivitymanagerd crashed with SIGSEGV in QSqlDatabase::close()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare staff

[Apport retracing service (apport)]

StacktraceTop:
 QSqlDatabase::close() () from /tmp/apport_sandbox_zQoa15/usr/lib/x86_64-linux-gnu/libQt5Sql.so.5
 QSqlDatabase::~QSqlDatabase() () from /tmp/apport_sandbox_zQoa15/usr/lib/x86_64-linux-gnu/libQt5Sql.so.5
 QHash<QString, QSqlDatabase>::deleteNode2(QHashData::Node*) () from /tmp/apport_sandbox_zQoa15/usr/lib/x86_64-linux-gnu/libQt5Sql.so.5
 QHashData::free_helper(void (*)(QHashData::Node*)) () from /tmp/apport_sandbox_zQoa15/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
 (anonymous namespace)::Q_QGS_dbDict::innerFunction()::Holder::~Holder() () from /tmp/apport_sandbox_zQoa15/usr/lib/x86_64-linux-gnu/libQt5Sql.so.5

[Launchpad Janitor (janitor)]

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

[Laurent Bonnaud (laurent-bonnaud)]

This bug no longer exists.