Application: kmail (5.2.3)
 (Compiled from sources)
Qt Version: 5.6.1
Frameworks Version: 5.24.0
Operating System: Linux 4.4.14 x86_64
Distribution (Platform): Slackware Packages

-- Information about the crash:
- What I was doing when the application crashed:
There was no task ongoing in the status bar
Simply closed kmail with Ctrl+Q
- What are my settings
Kmail was working online with 3 imap accounts

The crash can be reproduced sometimes.

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fa1e5915800 (LWP 1508))]

Thread 22 (Thread 0x7fa1527fc700 (LWP 3284)):
#0  0x00007fa1d25409a3 in g_main_context_acquire () at /usr/lib64/libglib-2.0.so.0
#1  0x00007fa1d2541825 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fa1d2541a5c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fa1df1b356b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fa1df15f2ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fa1def982cc in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fa1def9ceb9 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007fa1db01c684 in start_thread () at /lib64/libpthread.so.0
#8  0x00007fa1de397efd in clone () at /lib64/libc.so.6

Thread 21 (Thread 0x7fa152ffd700 (LWP 3282)):
#0  0x00007fa1d25847e0 in g_mutex_lock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007fa1d2541181 in g_main_context_query () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fa1d25418cf in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fa1d2541a5c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fa1df1b356b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fa1df15f2ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007fa1def982cc in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007fa1def9ceb9 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007fa1db01c684 in start_thread () at /lib64/libpthread.so.0
#9  0x00007fa1de397efd in clone () at /lib64/libc.so.6

Thread 20 (Thread 0x7fa151ffb700 (LWP 3280)):
#0  0x00007fa1de3a6382 in clock_gettime () at /lib64/libc.so.6
#1  0x00007fa1df043dc6 in  () at /usr/lib64/libQt5Core.so.5
#2  0x00007fa1df1b1239 in QTimerInfoList::updateCurrentTime() () at /usr/lib64/libQt5Core.so.5
#3  0x00007fa1df1b1765 in QTimerInfoList::timerWait(timespec&) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fa1df1b2ace in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007fa1d2540f7d in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#6  0x00007fa1d2541883 in  () at /usr/lib64/libglib-2.0.so.0
#7  0x00007fa1d2541a5c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#8  0x00007fa1df1b356b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#9  0x00007fa1df15f2ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#10 0x00007fa1def982cc in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#11 0x00007fa1def9ceb9 in  () at /usr/lib64/libQt5Core.so.5
#12 0x00007fa1db01c684 in start_thread () at /lib64/libpthread.so.0
#13 0x00007fa1de397efd in clone () at /lib64/libc.so.6

Thread 19 (Thread 0x7fa1517fa700 (LWP 3278)):
#0  0x00007fa1d253eb52 in  () at /usr/lib64/libglib-2.0.so.0
#1  0x00007fa1d2540f1b in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fa1d2541883 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fa1d2541a5c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fa1df1b356b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fa1df15f2ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007fa1def982cc in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007fa1def9ceb9 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007fa1db01c684 in start_thread () at /lib64/libpthread.so.0
#9  0x00007fa1de397efd in clone () at /lib64/libc.so.6

Thread 18 (Thread 0x7fa1537fe700 (LWP 3276)):
#0  0x00007fa1de38c30d in poll () at /lib64/libc.so.6
#1  0x00007fa1d2541954 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fa1d2541a5c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fa1df1b356b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fa1df15f2ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fa1def982cc in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fa1def9ceb9 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007fa1db01c684 in start_thread () at /lib64/libpthread.so.0
#8  0x00007fa1de397efd in clone () at /lib64/libc.so.6

Thread 17 (Thread 0x7fa150ff9700 (LWP 3274)):
#0  0x00007fa1de38c30d in poll () at /lib64/libc.so.6
#1  0x00007fa1d2541954 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fa1d2541a5c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fa1df1b356b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fa1df15f2ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fa1def982cc in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fa1def9ceb9 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007fa1db01c684 in start_thread () at /lib64/libpthread.so.0
#8  0x00007fa1de397efd in clone () at /lib64/libc.so.6

Thread 16 (Thread 0x7fa1057fa700 (LWP 2282)):
#0  0x00007fa1db02236f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fa1d4f26434 in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007fa1d4f26479 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007fa1db01c684 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fa1de397efd in clone () at /lib64/libc.so.6

Thread 15 (Thread 0x7fa122347700 (LWP 1911)):
#0  0x00007fa1d25847e9 in g_mutex_lock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007fa1d2541916 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fa1d2541a5c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fa1df1b356b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fa1df15f2ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fa1def982cc in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fa1def9ceb9 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007fa1db01c684 in start_thread () at /lib64/libpthread.so.0
#8  0x00007fa1de397efd in clone () at /lib64/libc.so.6

Thread 14 (Thread 0x7fa123fff700 (LWP 1805)):
#0  0x00007fa1de3a5c04 in __libc_enable_asynccancel () at /lib64/libc.so.6
#1  0x00007fa1de387e32 in read () at /lib64/libc.so.6
#2  0x00007fa1d25835d0 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fa1d2541484 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fa1d25418f8 in  () at /usr/lib64/libglib-2.0.so.0
#5  0x00007fa1d2541a5c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#6  0x00007fa1df1b356b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#7  0x00007fa1df15f2ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#8  0x00007fa1def982cc in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#9  0x00007fa1def9ceb9 in  () at /usr/lib64/libQt5Core.so.5
#10 0x00007fa1db01c684 in start_thread () at /lib64/libpthread.so.0
#11 0x00007fa1de397efd in clone () at /lib64/libc.so.6

Thread 13 (Thread 0x7fa153fff700 (LWP 1791)):
#0  0x00007fa1de38c30d in poll () at /lib64/libc.so.6
#1  0x00007fa1d2541954 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fa1d2541a5c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fa1df1b356b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fa1df15f2ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fa1def982cc in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fa1def9ceb9 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007fa1db01c684 in start_thread () at /lib64/libpthread.so.0
#8  0x00007fa1de397efd in clone () at /lib64/libc.so.6

Thread 12 (Thread 0x7fa158e19700 (LWP 1789)):
#0  0x00007fa1de387e3d in read () at /lib64/libc.so.6
#1  0x00007fa1d25835d0 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fa1d2541484 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fa1d25418f8 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fa1d2541a5c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007fa1df1b356b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007fa1df15f2ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#7  0x00007fa1def982cc in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007fa1def9ceb9 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007fa1db01c684 in start_thread () at /lib64/libpthread.so.0
#10 0x00007fa1de397efd in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7fa15a4db700 (LWP 1770)):
#0  0x00007fa1db02236f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fa1d7674ef3 in  () at /usr/lib64/libQt5WebKit.so.5
#2  0x00007fa1d7995611 in  () at /usr/lib64/libQt5WebKit.so.5
#3  0x00007fa1db01c684 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fa1de397efd in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7fa15acdc700 (LWP 1769)):
#0  0x00007fa1db02236f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fa1d7674ef3 in  () at /usr/lib64/libQt5WebKit.so.5
#2  0x00007fa1d7995611 in  () at /usr/lib64/libQt5WebKit.so.5
#3  0x00007fa1db01c684 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fa1de397efd in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7fa15b4dd700 (LWP 1768)):
#0  0x00007fa1db02236f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fa1d7674ef3 in  () at /usr/lib64/libQt5WebKit.so.5
#2  0x00007fa1d7995611 in  () at /usr/lib64/libQt5WebKit.so.5
#3  0x00007fa1db01c684 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fa1de397efd in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7fa15bcfd700 (LWP 1766)):
#0  0x00007fa1db02236f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fa1d7673ec4 in  () at /usr/lib64/libQt5WebKit.so.5
#2  0x00007fa1d7995611 in  () at /usr/lib64/libQt5WebKit.so.5
#3  0x00007fa1db01c684 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fa1de397efd in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7fa1a0b67700 (LWP 1561)):
#0  0x00007fa1db02236f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fa1d7966a6b in  () at /usr/lib64/libQt5WebKit.so.5
#2  0x00007fa1d7966aa9 in  () at /usr/lib64/libQt5WebKit.so.5
#3  0x00007fa1db01c684 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fa1de397efd in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7fa1b6198700 (LWP 1517)):
#0  0x00007fa1def9578b in QMutex::unlock() () at /usr/lib64/libQt5Core.so.5
#1  0x00007fa1df1b2c3d in  () at /usr/lib64/libQt5Core.so.5
#2  0x00007fa1d2540f7d in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fa1d2541883 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fa1d2541a5c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007fa1df1b356b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007fa1df15f2ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#7  0x00007fa1def982cc in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007fa1def9ceb9 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007fa1db01c684 in start_thread () at /lib64/libpthread.so.0
#10 0x00007fa1de397efd in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7fa1b6999700 (LWP 1516)):
#0  0x00007fa1d25411d2 in g_main_context_query () at /usr/lib64/libglib-2.0.so.0
#1  0x00007fa1d25418cf in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fa1d2541a5c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fa1df1b356b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fa1df15f2ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fa1def982cc in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fa1def9ceb9 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007fa1db01c684 in start_thread () at /lib64/libpthread.so.0
#8  0x00007fa1de397efd in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7fa1b75ef700 (LWP 1513)):
#0  0x00007fa1d2541283 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#1  0x00007fa1d25418f8 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fa1d2541a5c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fa1df1b356b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007fa1df15f2ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007fa1def982cc in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007fa1def9ceb9 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007fa1db01c684 in start_thread () at /lib64/libpthread.so.0
#8  0x00007fa1de397efd in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7fa1bcc1a700 (LWP 1512)):
#0  0x00007fa1de387e3d in read () at /lib64/libc.so.6
#1  0x00007fa1d25835d0 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fa1d2541484 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fa1d25418f8 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fa1d2541a5c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007fa1df1b356b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007fa1df15f2ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#7  0x00007fa1def982cc in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007fa1dfd7c295 in  () at /usr/lib64/libQt5DBus.so.5
#9  0x00007fa1def9ceb9 in  () at /usr/lib64/libQt5Core.so.5
#10 0x00007fa1db01c684 in start_thread () at /lib64/libpthread.so.0
#11 0x00007fa1de397efd in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fa1be5a0700 (LWP 1509)):
#0  0x00007fa1de38c30d in poll () at /lib64/libc.so.6
#1  0x00007fa1ce1f2102 in  () at /usr/lib64/libxcb.so.1
#2  0x00007fa1ce1f3c8f in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007fa1c0a24959 in  () at /usr/lib64/qt5/plugins/platforms/../../../libQt5XcbQpa.so.5
#4  0x00007fa1def9ceb9 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007fa1db01c684 in start_thread () at /lib64/libpthread.so.0
#6  0x00007fa1de397efd in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fa1e5915800 (LWP 1508)):
[KCrash Handler]
#6  0x00007fa1dabd25f4 in KStatusNotifierItem::setStatus(KStatusNotifierItem::ItemStatus) () at /usr/lib64/libKF5Notifications.so.5
#7  0x00007fa1e519c2f3 in  () at /usr/lib64/libkmailprivate.so.5
#8  0x00007fa1e51a5a1b in KMKernel::toggleSystemTray() () at /usr/lib64/libkmailprivate.so.5
#9  0x00007fa1e51e1838 in KMMainWidget::readConfig() () at /usr/lib64/libkmailprivate.so.5
#10 0x00007fa1e51e1eeb in KMMainWidget::KMMainWidget(QWidget*, KXMLGUIClient*, KActionCollection*, QExplicitlySharedDataPointer<KSharedConfig>) () at /usr/lib64/libkmailprivate.so.5
#11 0x00007fa1e5191fc2 in KMMainWin::KMMainWin(QWidget*) () at /usr/lib64/libkmailprivate.so.5
#12 0x00007fa1e51a1ef7 in KMKernel::openReader(bool) () at /usr/lib64/libkmailprivate.so.5
#13 0x00007fa1e51ab50c in KMKernel::action(bool, bool, QString const&, QString const&, QString const&, QString const&, QString const&, QUrl const&, QList<QUrl> const&, QStringList const&, QString const&, QString const&) () at /usr/lib64/libkmailprivate.so.5
#14 0x00007fa1e51acaaa in KMKernel::handleCommandLine(bool, QStringList const&, QString const&) () at /usr/lib64/libkmailprivate.so.5
#15 0x0000000000404909 in  ()
#16 0x00007fa1e559650e in KontactInterface::PimUniqueApplication::newInstance(QByteArray const&, QStringList const&, QString const&) () at /usr/lib64/libKF5KontactInterface.so.5
#17 0x00007fa1e55974f2 in  () at /usr/lib64/libKF5KontactInterface.so.5
#18 0x00007fa1e5597833 in KontactInterface::PimUniqueApplication::qt_metacall(QMetaObject::Call, int, void**) () at /usr/lib64/libKF5KontactInterface.so.5
#19 0x00007fa1dfd86ecb in  () at /usr/lib64/libQt5DBus.so.5
#20 0x00007fa1dfd8ad44 in  () at /usr/lib64/libQt5DBus.so.5
#21 0x00007fa1dfd8b4eb in  () at /usr/lib64/libQt5DBus.so.5
#22 0x00007fa1dfd8dc5e in  () at /usr/lib64/libQt5DBus.so.5
#23 0x00007fa1df18c801 in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#24 0x00007fa1df6a3b74 in QGuiApplication::event(QEvent*) () at /usr/lib64/libQt5Gui.so.5
#25 0x00007fa1e0d655f8 in QApplication::event(QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#26 0x00007fa1e0d61e8c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#27 0x00007fa1e0d67016 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#28 0x00007fa1df160ff8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#29 0x00007fa1df162dda in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#30 0x00007fa1df1b3143 in  () at /usr/lib64/libQt5Core.so.5
#31 0x00007fa1d2541787 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#32 0x00007fa1d25419b8 in  () at /usr/lib64/libglib-2.0.so.0
#33 0x00007fa1d2541a5c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#34 0x00007fa1df1b354f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#35 0x00007fa1df15f2ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#36 0x00007fa1df16738d in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#37 0x0000000000403deb in  ()
#38 0x00007fa1de2b17d0 in __libc_start_main () at /lib64/libc.so.6
#39 0x00000000004044d9 in _start ()

Reported using DrKonqi