https://bugs.kde.org/show_bug.cgi?id=402233

            Bug ID: 402233
           Summary: Random KDevelop crash
           Product: kdevelop
           Version: unspecified
          Platform: Ubuntu Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kdevelop-bugs-n...@kde.org
          Reporter: ricardo....@hotmail.com
  Target Milestone: ---

Application: kdevelop (5.3.1)

Qt Version: 5.11.2
Frameworks Version: 5.53.0
Operating System: Linux 4.15.0-42-generic x86_64
Distribution: KDE neon User Edition 5.14

-- Information about the crash:
- What I was doing when the application crashed: not much, just writing code
and suddenly KDevelop crashes. stack trace attached

-- Backtrace:
Application: KDevelop (kdevelop), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f3a75a27bc0 (LWP 2399))]

Thread 10 (Thread 0x7f3a01768700 (LWP 2663)):
#0  0x00007f3a6ae739f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x559c7dc0f844) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f3a6ae739f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x559c7dc0f7f0, cond=0x559c7dc0f818) at pthread_cond_wait.c:502
#2  0x00007f3a6ae739f3 in __pthread_cond_wait (cond=0x559c7dc0f818,
mutex=0x559c7dc0f7f0) at pthread_cond_wait.c:655
#3  0x00007f3a7279594b in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f3a68a70a65 in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007f3a68a74b38 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007f3a68a6fc8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#7  0x00007f3a68a74b92 in  () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#8  0x00007f3a68a6fc8d in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9  0x00007f3a68a729fb in ThreadWeaver::Thread::run() () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007f3a72794adb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f3a6ae6d6db in start_thread (arg=0x7f3a01768700) at
pthread_create.c:463
#12 0x00007f3a7208c88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f3a01f69700 (LWP 2662)):
[KCrash Handler]
#6  0x00007f3a0b3754da in ComputeLineNumbers(clang::DiagnosticsEngine&,
clang::SrcMgr::ContentCache*, llvm::BumpPtrAllocatorImpl<llvm::MallocAllocator,
4096ul, 4096ul>&, clang::SourceManager const&, bool&) [clone .constprop.345] ()
at /usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#7  0x00007f3a0b3759dd in clang::SourceManager::getLineNumber(clang::FileID,
unsigned int, bool*) const () at /usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#8  0x00007f3a0b15f5b4 in clang_getSpellingLocation () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#9  0x00007f3a0ca6a1d0 in (anonymous namespace)::visitCursor(CXCursor,
CXCursor, CXClientData) (cursor=..., data=0x7f3a01f68868) at
./plugins/clang/duchain/clanghelpers.cpp:66
#10 0x00007f3a0b12fc00 in clang::cxcursor::CursorVisitor::Visit(CXCursor, bool)
() at /usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#11 0x00007f3a0b130a72 in bool
clang::cxcursor::CursorVisitor::visitPreprocessedEntities<clang::PreprocessingRecord::iterator>(clang::PreprocessingRecord::iterator,
clang::PreprocessingRecord::iterator, clang::PreprocessingRecord&,
clang::FileID) () at /usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#12 0x00007f3a0b130fc9 in
clang::cxcursor::CursorVisitor::visitPreprocessedEntitiesInRegion() () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#13 0x00007f3a0b12f93e in
clang::cxcursor::CursorVisitor::VisitChildren(CXCursor) () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#14 0x00007f3a0b1381e7 in clang_visitChildren () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#15 0x00007f3a0ca689d9 in ClangHelpers::tuImports(CXTranslationUnitImpl*)
(tu=<optimized out>) at ./plugins/clang/duchain/clanghelpers.cpp:98
#16 0x00007f3a0ccd18e6 in
ClangParseJob::run(QSharedPointer<ThreadWeaver::JobInterface>,
ThreadWeaver::Thread*) (this=0x559c7f652ec0) at
./plugins/clang/clangparsejob.cpp:308
#17 0x00007f3a68a73d1a in
ThreadWeaver::IdDecorator::run(QSharedPointer<ThreadWeaver::JobInterface>,
ThreadWeaver::Thread*) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#18 0x00007f3a68a742f8 in
ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&,
ThreadWeaver::Thread*) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#19 0x00007f3a68a72f60 in
ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&,
ThreadWeaver::Thread*) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#20 0x00007f3a68a72abd in ThreadWeaver::Thread::run() () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#21 0x00007f3a72794adb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f3a6ae6d6db in start_thread (arg=0x7f3a01f69700) at
pthread_create.c:463
#23 0x00007f3a7208c88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f3a02f6b700 (LWP 2588)):
#0  0x00007f3a7207fbf9 in __GI___poll (fds=0x7f39fc004a10, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f3a68cd2539 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3a68cd264c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3a729ba04b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f3a7295e30a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f3a72789bba in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f3a72794adb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f3a6ae6d6db in start_thread (arg=0x7f3a02f6b700) at
pthread_create.c:463
#8  0x00007f3a7208c88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f3a1ffff700 (LWP 2456)):
#0  0x00007f3a72086839 in syscall () at
../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f3a72786185 in QBasicMutex::lockInternal() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f3a0ca19ff9 in
ClangCodeCompletionContext::ClangCodeCompletionContext(KDevelop::DUChainPointer<KDevelop::DUContext>
const&, QExplicitlySharedDataPointer<ParseSessionData> const&, QUrl const&,
KTextEditor::Cursor const&, QString const&, QString const&)
(this=0x7f3a15c1ef60, context=..., sessionData=..., url=..., position=...,
text=..., followingText=...) at ./plugins/clang/codecompletion/context.cpp:843
#3  0x00007f3a0ca25a37 in
QSharedPointer<ClangCodeCompletionContext>::create<KDevelop::DUChainPointer<KDevelop::DUContext>
const&, QExplicitlySharedDataPointer<ParseSessionData> const&, QUrl const&,
KTextEditor::Cursor const&, QString const&, QString
const&>(KDevelop::DUChainPointer<KDevelop::DUContext> const&,
QExplicitlySharedDataPointer<ParseSessionData> const&, QUrl const&,
KTextEditor::Cursor const&, QString const&, QString const&) () at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qsharedpointer_impl.h:445
#4  0x00007f3a0ca25a37 in (anonymous namespace)::createCompletionContext
(followingText=..., text=..., position=..., url=..., session=..., context=...)
at ./plugins/clang/codecompletion/model.cpp:67
#5  0x00007f3a0ca25a37 in (anonymous
namespace)::ClangCodeCompletionWorker::run() (this=0x559c7df0a760) at
./plugins/clang/codecompletion/model.cpp:134
#6  0x00007f3a7298f18f in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f3a7299be47 in QTimer::timeout(QTimer::QPrivateSignal) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f3a7299c1a8 in QTimer::timerEvent(QTimerEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f3a7298fb9b in QObject::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f3a740bee1c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#11 0x00007f3a740c63ef in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x00007f3a7295ffe8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f3a729b94be in QTimerInfoList::activateTimers() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f3a729b9c81 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f3a68cd2387 in g_main_context_dispatch () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#16 0x00007f3a68cd25c0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#17 0x00007f3a68cd264c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007f3a729ba02f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x00007f3a7295e30a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f3a72789bba in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f3a70e92f0f in KDevelop::CompletionWorkerThread::run()
(this=0x559c7df08d60) at
./kdevplatform/language/codecompletion/codecompletionmodel.cpp:79
#22 0x00007f3a72794adb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f3a6ae6d6db in start_thread (arg=0x7f3a1ffff700) at
pthread_create.c:463
#24 0x00007f3a7208c88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f3a24a2a700 (LWP 2429)):
#0  0x00007f3a6ae739f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7f3a13fea110) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f3a6ae739f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x559c7ddb3c40, cond=0x7f3a13fea0e8) at pthread_cond_wait.c:502
#2  0x00007f3a6ae739f3 in __pthread_cond_wait (cond=0x7f3a13fea0e8,
mutex=0x559c7ddb3c40) at pthread_cond_wait.c:655
#3  0x00007f3a7241379c in
std::condition_variable::wait(std::unique_lock<std::mutex>&) () at
/usr/lib/x86_64-linux-gnu/libstdc++.so.6
#4  0x00007f3a132fc217 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#5  0x00007f3a132fc359 in  () at /usr/lib/x86_64-linux-gnu/libQt5WebKit.so.5
#6  0x00007f3a7241957f in  () at /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#7  0x00007f3a6ae6d6db in start_thread (arg=0x7f3a24a2a700) at
pthread_create.c:463
#8  0x00007f3a7208c88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f3a25adc700 (LWP 2423)):
#0  0x00007f3a729b86f7 in QTimerInfoList::repairTimersIfNeeded() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007f3a729b8773 in QTimerInfoList::timerWait(timespec&) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f3a729b9dae in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f3a68cd1a98 in g_main_context_prepare () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f3a68cd246b in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f3a68cd264c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f3a729ba04b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f3a7295e30a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f3a72789bba in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f3a72794adb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f3a6ae6d6db in start_thread (arg=0x7f3a25adc700) at
pthread_create.c:463
#11 0x00007f3a7208c88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f3a2768f700 (LWP 2407)):
#0  0x00007f3a7207fbf9 in __GI___poll (fds=0x7f3a20004b80, nfds=1,
timeout=163715) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f3a68cd2539 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f3a68cd264c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f3a729ba04b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f3a7295e30a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f3a72789bba in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f3a70d8ba3b in KDevelop::DUChainPrivate::CleanupThread::run()
(this=0x559c7dcf0c60) at ./kdevplatform/language/duchain/duchain.cpp:286
#7  0x00007f3a72794adb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f3a6ae6d6db in start_thread (arg=0x7f3a2768f700) at
pthread_create.c:463
#9  0x00007f3a7208c88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f3a37d2c700 (LWP 2403)):
#0  0x00007f3a758af587 in _dl_update_slotinfo (req_modid=1) at
../elf/dl-tls.c:643
#1  0x00007f3a758af87c in update_get_addr (ti=0x7f3a72de5670) at
../elf/dl-tls.c:799
#2  0x00007f3a758b5a28 in __tls_get_addr () at
../sysdeps/x86_64/tls_get_addr.S:55
#3  0x00007f3a72793a86 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f3a729b9f4a in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f3a68cd1a98 in g_main_context_prepare () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f3a68cd246b in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f3a68cd264c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007f3a729ba04b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f3a7295e30a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f3a72789bba in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f3a73a8ae45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#12 0x00007f3a72794adb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f3a6ae6d6db in start_thread (arg=0x7f3a37d2c700) at
pthread_create.c:463
#14 0x00007f3a7208c88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f3a41904700 (LWP 2402)):
#0  0x00007f3a7207fbf9 in __GI___poll (fds=0x7f3a419038e8, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f3a5e06e747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f3a5e07036a in xcb_wait_for_event () at
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f3a43608ed9 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f3a72794adb in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f3a6ae6d6db in start_thread (arg=0x7f3a41904700) at
pthread_create.c:463
#6  0x00007f3a7208c88f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f3a75a27bc0 (LWP 2399)):
#0  0x00007f3a6ae739f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7ffe186a9bc8) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f3a6ae739f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x559c7d4cdc18, cond=0x7ffe186a9ba0) at pthread_cond_wait.c:502
#2  0x00007f3a6ae739f3 in __pthread_cond_wait (cond=0x7ffe186a9ba0,
mutex=0x559c7d4cdc18) at pthread_cond_wait.c:655
#3  0x00007f3a5e06e952 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#4  0x00007f3a5e07006f in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#5  0x00007f3a5e070180 in xcb_wait_for_reply () at
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#6  0x00007f3a4360797a in QXcbConnection::sync() () at
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#7  0x00007f3a43627a93 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#8  0x00007f3a43627b6c in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#9  0x00007f3a7357796b in QBackingStore::beginPaint(QRegion const&) () at
/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#10 0x00007f3a740cdf24 in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#11 0x00007f3a740ce3b5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x00007f3a740e5aff in QWidgetPrivate::syncBackingStore() () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007f3a740fdc08 in QWidget::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007f3a742057b0 in QMainWindow::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007f3a6e89ab01 in KMainWindow::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#16 0x00007f3a6e8e0ea5 in KXmlGuiWindow::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#17 0x00007f3a740bee1c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007f3a740c63ef in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007f3a7295ffe8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007f3a72962b2d in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f3a729ba9f3 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f3a68cd2387 in g_main_context_dispatch () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f3a68cd25c0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f3a68cd264c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f3a729ba02f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f3a43694761 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#27 0x00007f3a7295e30a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007f3a729674d0 in QCoreApplication::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x0000559c7b6eb190 in main(int, char**) (argc=<optimized out>,
argv=<optimized out>) at ./app/main.cpp:849

Reported using DrKonqi

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