Bug 424509

Application: kmail (5.14.3 (20.04.3))

Qt Version: 5.15.0
Frameworks Version: 5.72.0
Operating System: Linux 5.7.9 x86_64
Windowing system: X11
Distribution: "Gentoo Base System release 2.7"

-- Information about the crash:
- What I was doing when the application crashed:

I exited KMail and disconnected the monitor of the computer. When I reconnected it a few hours later, I found the crash report about KMail.

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault

[KCrash Handler]
#4  0x00007f318b75ad66 in QScopedPointer<QObjectData, QScopedPointerDeleter<QObjectData> >::operator->() const (this=0x8) at /tmp/portage/dev-qt/qtcore-5.15.0/work/qtbase-everywhere-src-5.15.0/include/QtCore/../../src/corelib/tools/qscopedpointer.h:116
#5  qGetPtrHelper<QScopedPointer<QObjectData, QScopedPointerDeleter<QObjectData> > >(QScopedPointer<QObjectData, QScopedPointerDeleter<QObjectData> >&) (ptr=...) at /tmp/portage/dev-qt/qtcore-5.15.0/work/qtbase-everywhere-src-5.15.0/include/QtCore/../../src/corelib/global/qglobal.h:1133
#6  QObject::d_func() (this=0x0) at /tmp/portage/dev-qt/qtcore-5.15.0/work/qtbase-everywhere-src-5.15.0/include/QtCore/../../src/corelib/kernel/qobject.h:132
#7  QObjectPrivate::get(QObject*) (o=0x0) at /tmp/portage/dev-qt/qtcore-5.15.0/work/qtbase-everywhere-src-5.15.0/include/QtCore/5.15.0/QtCore/private/../../../../../src/corelib/kernel/qobject_p.h:339
#8  QEventLoopLocker::QEventLoopLocker() (this=0x55caa714cf50) at /tmp/portage/dev-qt/qtcore-5.15.0/work/qtbase-everywhere-src-5.15.0/src/corelib/kernel/qeventloop.cpp:437
#9  0x00007f318c6f69ab in KJobPrivate::KJobPrivate() () at /usr/lib64/libKF5CoreAddons.so.5
#10 0x00007f318c6f3659 in KCompositeJobPrivate::KCompositeJobPrivate() () at /usr/lib64/libKF5CoreAddons.so.5
#11 0x00007f318c6f369f in KCompositeJob::KCompositeJob(QObject*) () at /usr/lib64/libKF5CoreAddons.so.5
#12 0x00007f31896772a6 in Akonadi::Job::Job(Akonadi::JobPrivate*, QObject*) (this=0x55caaf1d4490, dd=0x55cab92ee1a0, parent=0x55caaf83ea20) at /tmp/portage/kde-apps/akonadi-20.04.3/work/akonadi-20.04.3/src/core/jobs/job.cpp:304
#13 0x00007f31896625a5 in Akonadi::CollectionFetchJob::CollectionFetchJob(Akonadi::Collection const&, Akonadi::CollectionFetchJob::Type, QObject*) (this=0x55caaf1d4490, collection=..., type=Akonadi::CollectionFetchJob::Base, parent=0x55caaf83ea20) at /usr/include/qt5/QtCore/qarraydata.h:257
#14 0x00007f31895d4cd5 in Akonadi::EntityCache<Akonadi::Collection, Akonadi::CollectionFetchJob, Akonadi::CollectionFetchScope>::createFetchJob(long long, Akonadi::CollectionFetchScope const&) (scope=..., id=<optimized out>, this=0x7f3118031ac0) at /tmp/portage/kde-apps/akonadi-20.04.3/work/akonadi-20.04.3/src/core/entitycache_p.h:274
#15 Akonadi::EntityCache<Akonadi::Collection, Akonadi::CollectionFetchJob, Akonadi::CollectionFetchScope>::request(long long, Akonadi::CollectionFetchScope const&) (this=0x7f3118031ac0, id=<optimized out>, scope=...) at /tmp/portage/kde-apps/akonadi-20.04.3/work/akonadi-20.04.3/src/core/entitycache_p.h:174
#16 0x00007f3189621d73 in Akonadi::EntityCache<Akonadi::Collection, Akonadi::CollectionFetchJob, Akonadi::CollectionFetchScope>::ensureCached(long long, Akonadi::CollectionFetchScope const&) (scope=..., id=1881, this=<optimized out>) at /tmp/portage/kde-apps/akonadi-20.04.3/work/akonadi-20.04.3/src/core/entitycache_p.h:154
#17 Akonadi::EntityCache<Akonadi::Collection, Akonadi::CollectionFetchJob, Akonadi::CollectionFetchScope>::ensureCached(long long, Akonadi::CollectionFetchScope const&) (scope=..., id=1881, this=<optimized out>) at /tmp/portage/kde-apps/akonadi-20.04.3/work/akonadi-20.04.3/src/core/entitycache_p.h:154
#18 Akonadi::MonitorPrivate::ensureDataAvailable(QSharedPointer<Akonadi::Protocol::ChangeNotification> const&) (this=0x55cab1958430, msg=...) at /tmp/portage/kde-apps/akonadi-20.04.3/work/akonadi-20.04.3/src/core/monitor_p.cpp:406
#19 0x00007f3189622841 in Akonadi::MonitorPrivate::dispatchNotifications() (this=0x55cab1958430) at /tmp/portage/kde-apps/akonadi-20.04.3/work/akonadi-20.04.3/src/core/monitor_p.cpp:1001
#20 0x00007f318b78bbf0 in doActivate<false>(QObject*, int, void**) (sender=0x7f3118031ac0, signal_index=3, argv=0x7ffce568a170) at /tmp/portage/dev-qt/qtcore-5.15.0/work/qtbase-everywhere-src-5.15.0/include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:395
#21 0x00007f318b78bbf0 in doActivate<false>(QObject*, int, void**) (sender=0x55caa6ee80c0, signal_index=6, argv=0x7ffce568a2b0) at /tmp/portage/dev-qt/qtcore-5.15.0/work/qtbase-everywhere-src-5.15.0/include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:395
#22 0x00007f318c6f434c in KJob::result(KJob*, KJob::QPrivateSignal) () at /usr/lib64/libKF5CoreAddons.so.5
#23 0x00007f318c6f4eab in KJob::finishJob(bool) () at /usr/lib64/libKF5CoreAddons.so.5
#24 0x00007f318c6f4f2b in KJob::kill(KJob::KillVerbosity) () at /usr/lib64/libKF5CoreAddons.so.5
#25 0x00007f3189648eb1 in Akonadi::SessionPrivate::clear(bool) (this=0x55caa7cc6690, forceReconnect=forceReconnect@entry=false) at /tmp/portage/kde-apps/akonadi-20.04.3/work/akonadi-20.04.3/src/core/session.cpp:427
#26 0x00007f31896490a3 in Akonadi::Session::~Session() (this=0x55caaf83ea20, __in_chrg=<optimized out>) at /tmp/portage/kde-apps/akonadi-20.04.3/work/akonadi-20.04.3/src/core/session.cpp:379
#27 0x00007f3189649119 in Akonadi::Session::~Session() (this=0x55caaf83ea20, __in_chrg=<optimized out>) at /tmp/portage/kde-apps/akonadi-20.04.3/work/akonadi-20.04.3/src/core/session.cpp:377
#28 0x00007f318b783fd2 in QObjectPrivate::deleteChildren() (this=0x55caaa81c430) at /tmp/portage/dev-qt/qtcore-5.15.0/work/qtbase-everywhere-src-5.15.0/src/corelib/kernel/qobject.cpp:2104
#29 0x00007f318b789a2a in QObject::~QObject() (this=<optimized out>, __in_chrg=<optimized out>) at /tmp/portage/dev-qt/qtcore-5.15.0/work/qtbase-everywhere-src-5.15.0/src/corelib/kernel/qobject.cpp:1082
#30 0x00007f30f407f629 in Akonadi::ETMCalendar::~ETMCalendar() () at /usr/lib64/libKF5AkonadiCalendar.so.5
#31 0x00007f30f431bd96 in  () at /usr/lib64/libKF5CalendarSupport.so.5
#32 0x00007f318b0f58e3 in  () at /usr/lib64/libc.so.6
#33 0x00007f318b0f5a8a in  () at /usr/lib64/libc.so.6
#34 0x00007f318b0ddcb1 in __libc_start_main () at /usr/lib64/libc.so.6
#35 0x000055caa64f189a in _start () at /usr/include/qt5/QtCore/qdebug.h:129
[Inferior 1 (process 737310) detached]

Possible duplicates by query: bug 418844, bug 418595, bug 413349, bug 411378, bug 411089.

Reported using DrKonqi