Application: kwin_x11 (5.7.3)

Qt Version: 5.6.1
Frameworks Version: 5.25.0
Operating System: Linux 4.5.5-300.fc24.x86_64 x86_64
Distribution: "Fedora release 24 (Twenty Four)"

-- Information about the crash:
- What I was doing when the application crashed:
 I was trying to get public key from keyserver when I select person who I want to import and click ok, it's crashing and back to same menu and restarting plasma itself.

- Unusual behavior I noticed:
Restarting all windows and plasma

The crash can be reproduced every time.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7efd6fa6a940 (LWP 24227))]

Thread 6 (Thread 0x7efd37fff700 (LWP 25120)):
#0  0x00007efd7fcdf1c3 in select () at /lib64/libc.so.6
#1  0x00007efd80ade6df in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*) () at /lib64/libQt5Core.so.5
#2  0x00007efd80adfdd4 in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) () at /lib64/libQt5Core.so.5
#3  0x00007efd80ae030a in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007efd80a915ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007efd808f0343 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007efd878048f5 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007efd808f499a in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007efd82b6d5ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007efd7fce8f6d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7efd3effa700 (LWP 24238)):
#0  0x00007efd82b72bd0 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007efd885afbc4 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at /lib64/libQt5Script.so.5
#2  0x00007efd885afc09 in  () at /lib64/libQt5Script.so.5
#3  0x00007efd82b6d5ca in start_thread () at /lib64/libpthread.so.0
#4  0x00007efd7fce8f6d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7efd45f22700 (LWP 24235)):
#0  0x00007efd7fcdf1c3 in select () at /lib64/libc.so.6
#1  0x00007efd80ade6df in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*) () at /lib64/libQt5Core.so.5
#2  0x00007efd80adfdd4 in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) () at /lib64/libQt5Core.so.5
#3  0x00007efd80ae030a in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007efd80a915ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007efd808f0343 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007efd878048f5 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007efd808f499a in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007efd82b6d5ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007efd7fce8f6d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7efd64a23700 (LWP 24234)):
#0  0x00007efd7fcdf1c3 in select () at /lib64/libc.so.6
#1  0x00007efd80ade6df in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*) () at /lib64/libQt5Core.so.5
#2  0x00007efd80adfdd4 in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) () at /lib64/libQt5Core.so.5
#3  0x00007efd80ae030a in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007efd80a915ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007efd808f0343 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007efd878048f5 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007efd808f499a in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007efd82b6d5ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007efd7fce8f6d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7efd66e86700 (LWP 24232)):
#0  0x00007efd7fcdf1c3 in select () at /lib64/libc.so.6
#1  0x00007efd80ade6df in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*) () at /lib64/libQt5Core.so.5
#2  0x00007efd80adfdd4 in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) () at /lib64/libQt5Core.so.5
#3  0x00007efd80ae030a in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007efd80a915ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007efd808f0343 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007efd8266b559 in QDBusConnectionManager::run() () at /lib64/libQt5DBus.so.5
#7  0x00007efd808f499a in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007efd82b6d5ca in start_thread () at /lib64/libpthread.so.0
#9  0x00007efd7fce8f6d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7efd6fa6a940 (LWP 24227)):
[KCrash Handler]
#6  0x00007efd80000003 in  ()
#7  0x00007efd80ac0ba8 in QObject::connect(QObject const*, char const*, QObject const*, char const*, Qt::ConnectionType) () at /lib64/libQt5Core.so.5
#8  0x00007efd885f272f in QScriptEnginePrivate::qobjectData(QObject*) () at /lib64/libQt5Script.so.5
#9  0x00007efd885f27f4 in QScriptEnginePrivate::newQObject(QObject*, QScriptEngine::ValueOwnership, QFlags<QScriptEngine::QObjectWrapOption> const&) () at /lib64/libQt5Script.so.5
#10 0x00007efd885f2a72 in QScriptEngine::newQObject(QObject*, QScriptEngine::ValueOwnership, QFlags<QScriptEngine::QObjectWrapOption> const&) () at /lib64/libQt5Script.so.5
#11 0x00007efd88fa0c7c in KWin::effectWindowToScriptValue(QScriptEngine*, KWin::EffectWindow* const&) () at /lib64/libkwin.so.5
#12 0x00007efd885f2d95 in QScriptEnginePrivate::create(QTJSC::ExecState*, int, void const*) () at /lib64/libQt5Script.so.5
#13 0x00007efd8861b9a6 in QScript::QObjectConnectionManager::execute(int, void**) () at /lib64/libQt5Script.so.5
#14 0x00007efd88623cb1 in QScript::QObjectConnectionManager::qt_metacall(QMetaObject::Call, int, void**) () at /lib64/libQt5Script.so.5
#15 0x00007efd80abad06 in QMetaObject::activate(QObject*, int, int, void**) () at /lib64/libQt5Core.so.5
#16 0x00007efd88bda508 in KWin::EffectsHandler::desktopPresenceChanged(KWin::EffectWindow*, int, int) () at /lib64/libkwineffects.so.8
#17 0x00007efd88bdbb0c in KWin::EffectsHandler::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) () at /lib64/libkwineffects.so.8
#18 0x00007efd80abbbd9 in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#19 0x00007efd81325c0c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#20 0x00007efd8132b0ef in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#21 0x00007efd80a927aa in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#22 0x00007efd80a9484f in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib64/libQt5Core.so.5
#23 0x00007efd80ae01e2 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#24 0x00007efd690857dd in QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5XcbQpa.so.5
#25 0x00007efd80a915ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#26 0x00007efd80a9917c in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#27 0x00007efd892ab0d6 in kdemain () at /lib64/libkdeinit5_kwin_x11.so
#28 0x00007efd7fc06731 in __libc_start_main () at /lib64/libc.so.6
#29 0x0000561649053cf9 in _start ()

Reported using DrKonqi