Bug 387151

Summary: SQL connection crashed editor
Product: [Applications] kate Reporter: Dan Dart <kde>
Component: generalAssignee: KWrite Developers <kwrite-bugs-null>
Status: RESOLVED UPSTREAM    
Severity: crash Keywords: drkonqi
Priority: NOR    
Version First Reported In: 17.04.3   
Target Milestone: ---   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Dan Dart 2017-11-20 14:13:11 UTC 
Application: kate (17.04.3)

Qt Version: 5.9.1
Frameworks Version: 5.38.0
Operating System: Linux 4.13.0-16-generic x86_64
Distribution: Ubuntu 17.10

-- Information about the crash:
- What I was doing when the application crashed:
Attempted to connect to a MySQL db - the application died with a segmentation fault.

- Custom settings of the application:
DB plugin turned on

The crash can be reproduced every time.

-- Backtrace:
Application: Kate (kate), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fe17c184900 (LWP 26010))]

Thread 11 (Thread 0x7fe132ffd700 (LWP 26122)):
#0  0x00007fe1763e5072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55e4ae2f4400) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55e4ae2f43b0, cond=0x55e4ae2f43d8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55e4ae2f43d8, mutex=0x55e4ae2f43b0) at pthread_cond_wait.c:655
#3  0x00007fe17700d6cb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fe150696995 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fe15069aa18 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fe150695b5d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fe1506988db in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fe17700c29d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fe1763de7fc in start_thread (arg=0x7fe132ffd700) at pthread_create.c:465
#10 0x00007fe17690eb0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7fe1337fe700 (LWP 26121)):
#0  0x00007fe1763e5072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55e4ae2f4400) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55e4ae2f43b0, cond=0x55e4ae2f43d8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55e4ae2f43d8, mutex=0x55e4ae2f43b0) at pthread_cond_wait.c:655
#3  0x00007fe17700d6cb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fe150696995 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fe15069aa18 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fe150695b5d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fe1506988db in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fe17700c29d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fe1763de7fc in start_thread (arg=0x7fe1337fe700) at pthread_create.c:465
#10 0x00007fe17690eb0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7fe133fff700 (LWP 26120)):
#0  0x00007fe1763e5072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55e4ae2f4400) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55e4ae2f43b0, cond=0x55e4ae2f43d8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55e4ae2f43d8, mutex=0x55e4ae2f43b0) at pthread_cond_wait.c:655
#3  0x00007fe17700d6cb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fe150696995 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fe15069aa18 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fe150695b5d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fe1506988db in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fe17700c29d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fe1763de7fc in start_thread (arg=0x7fe133fff700) at pthread_create.c:465
#10 0x00007fe17690eb0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fe148904700 (LWP 26119)):
#0  0x00007fe1763e5072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55e4ae2f4400) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55e4ae2f43b0, cond=0x55e4ae2f43d8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55e4ae2f43d8, mutex=0x55e4ae2f43b0) at pthread_cond_wait.c:655
#3  0x00007fe17700d6cb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fe150696995 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fe15069aa18 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fe150695b5d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fe1506988db in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fe17700c29d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fe1763de7fc in start_thread (arg=0x7fe148904700) at pthread_create.c:465
#10 0x00007fe17690eb0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7fe149105700 (LWP 26118)):
#0  0x00007fe1763e5072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55e4ae2f4400) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55e4ae2f43b0, cond=0x55e4ae2f43d8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55e4ae2f43d8, mutex=0x55e4ae2f43b0) at pthread_cond_wait.c:655
#3  0x00007fe17700d6cb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fe150696995 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fe15069aa18 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fe150695b5d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fe1506988db in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fe17700c29d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fe1763de7fc in start_thread (arg=0x7fe149105700) at pthread_create.c:465
#10 0x00007fe17690eb0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7fe149906700 (LWP 26117)):
#0  0x00007fe1763e5072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55e4ae2f4400) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55e4ae2f43b0, cond=0x55e4ae2f43d8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55e4ae2f43d8, mutex=0x55e4ae2f43b0) at pthread_cond_wait.c:655
#3  0x00007fe17700d6cb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fe150696995 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fe15069aa18 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fe150695b5d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fe1506988db in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fe17700c29d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fe1763de7fc in start_thread (arg=0x7fe149906700) at pthread_create.c:465
#10 0x00007fe17690eb0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fe14a107700 (LWP 26116)):
#0  0x00007fe1763e5072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55e4ae2f4400) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55e4ae2f43b0, cond=0x55e4ae2f43d8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55e4ae2f43d8, mutex=0x55e4ae2f43b0) at pthread_cond_wait.c:655
#3  0x00007fe17700d6cb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fe150696995 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fe15069aa18 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fe150695b5d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fe1506988db in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fe17700c29d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fe1763de7fc in start_thread (arg=0x7fe14a107700) at pthread_create.c:465
#10 0x00007fe17690eb0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fe14a908700 (LWP 26115)):
#0  0x00007fe1763e5072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55e4ae2f4400) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55e4ae2f43b0, cond=0x55e4ae2f43d8) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x55e4ae2f43d8, mutex=0x55e4ae2f43b0) at pthread_cond_wait.c:655
#3  0x00007fe17700d6cb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fe150696995 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fe15069aa18 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fe150695b5d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007fe1506988db in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007fe17700c29d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fe1763de7fc in start_thread (arg=0x7fe14a908700) at pthread_create.c:465
#10 0x00007fe17690eb0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fe15a5a8700 (LWP 26012)):
#0  0x00007fe1768fdffd in __GI___libc_read (fd=7, buf=0x7fe15a5a7a60, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:26
#1  0x00007fe170a21280 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe1709dcc4b in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe1709dd110 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fe1709dd27c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fe17724249b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fe1771e7e3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fe1770073ca in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fe1776bee45 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#9  0x00007fe17700c29d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fe1763de7fc in start_thread (arg=0x7fe15a5a8700) at pthread_create.c:465
#11 0x00007fe17690eb0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fe163215700 (LWP 26011)):
#0  0x00007fe176902901 in __GI___poll (fds=0x7fe163214bb8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fe17289f747 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fe1728a153a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fe16576ff09 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fe17700c29d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fe1763de7fc in start_thread (arg=0x7fe163215700) at pthread_create.c:465
#6  0x00007fe17690eb0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fe17c184900 (LWP 26010)):
[KCrash Handler]
#6  __GI___pthread_mutex_lock (mutex=0x20) at ../nptl/pthread_mutex_lock.c:67
#7  0x00007fe1312e696a in ?? () from /usr/lib/x86_64-linux-gnu/libmysqlclient.so.20
#8  0x00007fe1312be0f1 in ?? () from /usr/lib/x86_64-linux-gnu/libmysqlclient.so.20
#9  0x00007fe1312932db in mysql_real_connect () from /usr/lib/x86_64-linux-gnu/libmysqlclient.so.20
#10 0x00007fe1325f31b9 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/sqldrivers/libqsqlmysql.so
#11 0x00007fe14b397f50 in QSqlDatabase::open() () from /usr/lib/x86_64-linux-gnu/libQt5Sql.so.5
#12 0x00007fe14b39ccf1 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Sql.so.5
#13 0x00007fe14b39cec0 in QSqlDatabase::database(QString const&, bool) () from /usr/lib/x86_64-linux-gnu/libQt5Sql.so.5
#14 0x00007fe14b81569a in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/ktexteditor/katesqlplugin.so
#15 0x00007fe14b8042e4 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/ktexteditor/katesqlplugin.so
#16 0x00007fe1772188e5 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007fe1787abff5 in QComboBox::currentIndexChanged(QString const&) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007fe1787adfce in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007fe1787af4ac in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007fe1787af741 in QComboBox::setCurrentIndex(int) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x00007fe1787b5069 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007fe1772188e5 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007fe17718523e in QAbstractItemModel::rowsInserted(QModelIndex const&, int, int, QAbstractItemModel::QPrivateSignal) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007fe17718c8bb in QAbstractItemModel::endInsertRows() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007fe14b807e22 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/ktexteditor/katesqlplugin.so
#26 0x00007fe14b8098c3 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/ktexteditor/katesqlplugin.so
#27 0x00007fe14b804bcc in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/ktexteditor/katesqlplugin.so
#28 0x00007fe1772188e5 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007fe1786b3d82 in QAction::triggered(bool) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007fe1786b646c in QAction::activate(QAction::ActionEvent) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#31 0x00007fe17880ee1c in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#32 0x00007fe17881618b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#33 0x00007fe178816fd3 in QMenu::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#34 0x00007fe1786fadc8 in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#35 0x00007fe1788191f3 in QMenu::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#36 0x00007fe1786ba46c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#37 0x00007fe1786c228f in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#38 0x00007fe1771e9de8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#39 0x00007fe1786c1262 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#40 0x00007fe178715685 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#41 0x00007fe178717fba in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#42 0x00007fe1786ba46c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#43 0x00007fe1786c1d34 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#44 0x00007fe1771e9de8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#45 0x00007fe177efef43 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#46 0x00007fe177f00a25 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#47 0x00007fe177ed8cab in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#48 0x00007fe1657d25a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#49 0x00007fe1709dcfb7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#50 0x00007fe1709dd1f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#51 0x00007fe1709dd27c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#52 0x00007fe17724247f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#53 0x00007fe1771e7e3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#54 0x00007fe1771f0da4 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#55 0x000055e4ac4ddce7 in ?? ()
#56 0x00007fe17681b1c1 in __libc_start_main (main=0x55e4ac4db870, argc=3, argv=0x7ffe09798ed8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe09798ec8) at ../csu/libc-start.c:308
#57 0x000055e4ac4dec4a in _start ()

Reported using DrKonqi
Comment 1 Christoph Feck 2017-11-29 17:31:28 UTC 
This crash is in the libmysqlclient.so library, please report this issue to their bug tracker.