[ksmserver] [Bug 409752] New: The ksmserver application suddenly stopped

[Dan d'Auge]

https://bugs.kde.org/show_bug.cgi?id=409752

            Bug ID: 409752
           Summary: The ksmserver application suddenly stopped
           Product: ksmserver
           Version: 5.16.3
          Platform: Neon Packages
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: dandauge at grrlz.net
  Target Milestone: ---

SUMMARY


STEPS TO REPRODUCE
1. Start computer
2. Login to the user session
3. Pop up "The ksmserver application suddenly stopped" displayed on a black
background

OBSERVED RESULT
Exécutable : ksmserver PID : 1155 Signal : Segmentation fault (11) Temps :
12/07/2019 18:50:34

EXPECTED RESULT


SOFTWARE/OS VERSIONS
Windows: none
macOS: none
Linux/KDE Plasma: KDE Neon
(available in About System)
KDE Plasma Version: 5.16.3
KDE Frameworks Version: 5.59.0
Qt Version: 5.12.3

ADDITIONAL INFORMATION

Application: ksmserver (ksmserver), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f917b879880 (LWP 1155))]

Thread 2 (Thread 0x7f9161b3f700 (LWP 1158)):
#0  0x00007f916d71a649 in g_mutex_lock () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f916d6d3995 in g_main_context_prepare () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f916d6d44fb in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f916d6d46dc in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9175edddcb in QEventDispatcherGlib::processEvents
(this=0x7f9154000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007f9175e7f03a in QEventLoop::exec (this=this at entry=0x7f9161b3ecf0,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:225
#6  0x00007f9175ca64ca in QThread::exec (this=this at entry=0x7f9177615d80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread.cpp:531
#7  0x00007f917739e015 in QDBusConnectionManager::run (this=0x7f9177615d80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
qdbusconnection.cpp:178
#8  0x00007f9175ca7c72 in QThreadPrivate::start (arg=0x7f9177615d80 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread_unix.cpp:361
#9  0x00007f916f8df6db in start_thread (arg=0x7f9161b3f700) at
pthread_create.c:463
#10 0x00007f917b18988f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f917b879880 (LWP 1155)):
[KCrash Handler]
#6  0x00007f9175d401e3 in stringList_contains<QString>
(cs=cs at entry=Qt::CaseSensitive, str=..., stringList=...) at
tools/qstringlist.cpp:319
#7  QtPrivate::QStringList_contains (that=that at entry=0x7f9154010e38, str=...,
cs=cs at entry=Qt::CaseSensitive) at tools/qstringlist.cpp:343
#8  0x00007f91773a6b76 in QStringList::contains (cs=Qt::CaseSensitive, str=...,
this=0x7f9154010e38) at
../../include/QtCore/../../src/corelib/tools/qstringlist.h:225
#9  QDBusConnectionPrivate::isServiceRegisteredByThread (this=0x7f9154010db0,
serviceName=...) at qdbusintegrator.cpp:2593
#10 0x00007f91773affa2 in QDBusConnectionPrivate::sendWithReplyAsync
(this=0x7f9154010db0, message=..., receiver=receiver at entry=0x0,
returnMethod=returnMethod at entry=0x0, errorMethod=errorMethod at entry=0x0,
timeout=timeout at entry=-1) at qdbusintegrator.cpp:2098
#11 0x00007f917739ece8 in QDBusConnection::asyncCall
(this=this at entry=0x5565ea568ab0, message=..., timeout=timeout at entry=-1) at
qdbusconnection.cpp:710
#12 0x00007f917ae482bf in LogindIntegration::logindServiceRegistered
(this=0x5565ea568aa0) at ./logind.cpp:103
#13 0x00007f917ae48585 in
LogindIntegration::<lambda(QDBusPendingCallWatcher*)>::operator()
(self=<optimized out>, __closure=0x5565ea56d9e0) at ./logind.cpp:77
#14 QtPrivate::FunctorCall<QtPrivate::IndexesList<0>,
QtPrivate::List<QDBusPendingCallWatcher*>, void,
LogindIntegration::LogindIntegration(const QDBusConnection&,
QObject*)::<lambda(QDBusPendingCallWatcher*)> >::call (arg=<optimized out>,
f=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:146
#15 QtPrivate::Functor<LogindIntegration::LogindIntegration(const
QDBusConnection&, QObject*)::<lambda(QDBusPendingCallWatcher*)>,
1>::call<QtPrivate::List<QDBusPendingCallWatcher*>, void> (arg=<optimized out>,
f=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:256
#16 QtPrivate::QFunctorSlotObject<LogindIntegration::LogindIntegration(const
QDBusConnection&, QObject*)::<lambda(QDBusPendingCallWatcher*)>, 1,
QtPrivate::List<QDBusPendingCallWatcher*>, void>::impl(int,
QtPrivate::QSlotObjectBase *, QObject *, void **, bool *) (which=<optimized
out>, this_=0x5565ea56d9d0, r=<optimized out>, a=<optimized out>,
ret=<optimized out>) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:439
#17 0x00007f9175eb098f in QtPrivate::QSlotObjectBase::call (a=0x7ffebf459e30,
r=0x5565ea568aa0, this=0x5565ea56d9d0) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#18 QMetaObject::activate (sender=0x5565ea56d890, signalOffset=<optimized out>,
local_signal_index=local_signal_index at entry=0, argv=argv at entry=0x7ffebf459e30)
at kernel/qobject.cpp:3776
#19 0x00007f9175eb0f47 in QMetaObject::activate (sender=<optimized out>,
m=m at entry=0x7f91776145e0 <QDBusPendingCallWatcher::staticMetaObject>,
local_signal_index=local_signal_index at entry=0, argv=argv at entry=0x7ffebf459e30)
at kernel/qobject.cpp:3648
#20 0x00007f91773f7ebf in QDBusPendingCallWatcher::finished (this=<optimized
out>, _t1=<optimized out>) at .moc/moc_qdbuspendingcall.cpp:157
#21 0x00007f9175eb13e2 in QObject::event (this=0x5565ea56d890, e=<optimized
out>) at kernel/qobject.cpp:1260
#22 0x00007f9176c8465c in QApplicationPrivate::notify_helper
(this=this at entry=0x5565ea4d9e40, receiver=receiver at entry=0x5565ea56d890,
e=e at entry=0x7f915401b840) at kernel/qapplication.cpp:3736
#23 0x00007f9176c8bb90 in QApplication::notify (this=0x5565ea4c71f0,
receiver=0x5565ea56d890, e=0x7f915401b840) at kernel/qapplication.cpp:3483
#24 0x00007f9175e80d18 in QCoreApplication::notifyInternal2
(receiver=0x5565ea56d890, event=0x7f915401b840) at
kernel/qcoreapplication.cpp:1060
#25 0x00007f9175e80eee in QCoreApplication::sendEvent (receiver=<optimized
out>, event=event at entry=0x7f915401b840) at kernel/qcoreapplication.cpp:1450
#26 0x00007f9175e838d7 in QCoreApplicationPrivate::sendPostedEvents
(receiver=receiver at entry=0x0, event_type=event_type at entry=0,
data=0x5565ea4c25c0) at kernel/qcoreapplication.cpp:1799
#27 0x00007f9175e83e78 in QCoreApplication::sendPostedEvents
(receiver=receiver at entry=0x0, event_type=event_type at entry=0) at
kernel/qcoreapplication.cpp:1653
#28 0x00007f9175ede793 in postEventSourceDispatch (s=0x5565ea548220) at
kernel/qeventdispatcher_glib.cpp:276
#29 0x00007f916d6d4417 in g_main_context_dispatch () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007f916d6d4650 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007f916d6d46dc in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007f9175edddaf in QEventDispatcherGlib::processEvents
(this=0x5565ea550f90, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#33 0x00007f9175e7f03a in QEventLoop::exec (this=this at entry=0x7ffebf45a3e0,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:225
#34 0x00007f9175e88170 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1363
#35 0x00007f917b471cf3 in kdemain (argc=<optimized out>, argv=<optimized out>)
at ./ksmserver/main.cpp:347
#36 0x00007f917b089b97 in __libc_start_main (main=0x5565e9196720 <main>,
argc=1, argv=0x7ffebf45a668, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffebf45a658) at ../csu/libc-start.c:310
#37 0x00005565e919675a in _start ()

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