This issue occurs under unspecified circumstances.
Bug Trace:
" "[New LWP 3126]
[New LWP 3127]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1". 0x00007fd8d2e9bb57 in waitpid () from /lib64/libpthread.so.0
#0 0x00007fd8d2e9bb57 in waitpid () at /lib64/libpthread.so.0
#1 0x000000000043b45f in crashTrapper(int) (sig=11) at tupcrashhandler.cpp:321
#2 0x00007fd8d2e9c270 in
() at /lib64/libpthread.so.0 #3 0x00007fd8d5006bb0 in QGraphicsPathItem::setPath(QPainterPath const&) () at /home/xtingray/Qt5.12.2/5.12.2/gcc_64/lib/libQt5Widgets.so.5 #4 0x00007fd8b9eb7f58 in Tweener::itemResponse(TupItemResponse const*) (this=0x2542770, response=0x4400fe0) at tweener.cpp:1225 #5 0x00007fd8d67508e1 in TupGraphicsScene::itemResponse(TupItemResponse*) (this=0xc85e480, event=0x4400fe0) at tupgraphicsscene.cpp:1580 #6 0x00007fd8d84e55d3 in TupPaintArea::itemResponse(TupItemResponse*) (this=0x3f64720, response=0x4400fe0) at tuppaintarea.cpp:626 #7 0x00007fd8d6c81af4 in TupAbstractProjectResponseHandler::handleResponse(TupProjectResponse*) (this=0x3f64818, response=0x4400fe0) at tupabstractprojectresponsehandler.cpp:64 #8 0x00007fd8d84f89df in TupDocumentView::handleProjectResponse(TupProjectResponse*) (this=0x83d5740, response=0x4400fe0) at tupdocumentview.cpp:1118 #9 0x00007fd8d8539134 in TupDocumentView::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (_o=0x83d5740, _c=QMetaObject::InvokeMetaMethod, _id=65, _a=0x7ffd6585bbe0) at .moc/moc_tupdocumentview.cpp:440 #10 0x00007fd8d35d7989 in QMetaObject::activate(QObject*, int, int, void**) () at /home/xtingray/Qt5.12.2/5.12.2/gcc_64/lib/libQt5Core.so.5 #11 0x00007fd8d6ca00f1 in TupProjectManager::responsed(TupProjectResponse*) (this=0x17934e0, _t1=0x4400fe0) at .moc/moc_tupprojectmanager.cpp:182 #12 0x00007fd8d6c51f66 in TupProjectManager::emitResponse(TupProjectResponse*) (this=0x17934e0, response=0x4400fe0) at tupprojectmanager.cpp:554 #13 0x00007fd8d6c9fe8f in TupProjectManager::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (_o=0x17934e0, _c=QMetaObject::InvokeMetaMethod, _id=5, _a=0x7ffd6585bdc0) at .moc/moc_tupprojectmanager.cpp:114 #14 0x00007fd8d35d7989 in QMetaObject::activate(QObject*, int, int, void**) () at /home/xtingray/Qt5.12.2/5.12.2/gcc_64/lib/libQt5Core.so.5 #15 0x00007fd8d6ca0e93 in TupCommandExecutor::responsed(TupProjectResponse*) (this=0x1797d70, _t1=0x4400fe0) at .moc/moc_tupcommandexecutor.cpp:133 #16 0x00007fd8d6c6abb3 in TupCommandExecutor::updateTweenPath(TupItemResponse*) (this=0x1797d70, response=0x4400fe0) at tupcommandexecutor_items.cpp:1219 #17 0x00007fd8d6c54607 in TupProjectCommand::itemCommand() (this=0x3e9b270) at tupprojectcommand.cpp:703 #18 0x00007fd8d6c53858 in TupProjectCommand::redo() (this=0x3e9b270) at tupprojectcommand.cpp:277 #19 0x00007fd8d508bf09 in QUndoStack::redo() () at /home/xtingray/Qt5.12.2/5.12.2/gcc_64/lib/libQt5Widgets.so.5 #20 0x00007fd8d6c51d5a in TupProjectManager::redo() (this=0x17934e0) at tupprojectmanager.cpp:515 #21 0x00007fd8d6c9feb1 in TupProjectManager::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (_o=0x17934e0, _c=QMetaObject::InvokeMetaMethod, _id=7, _a=0x7ffd6585c240) at .moc/moc_tupprojectmanager.cpp:116 #22 0x00007fd8d35d7989 in QMetaObject::activate(QObject*, int, int, void**) () at /home/xtingray/Qt5.12.2/5.12.2/gcc_64/lib/libQt5Core.so.5 #23 0x00007fd8d4d39722 in QAction::triggered(bool) () at /home/xtingray/Qt5.12.2/5.12.2/gcc_64/lib/libQt5Widgets.so.5 #24 0x00007fd8d4d3bb40 in QAction::activate(QAction::ActionEvent) () at /home/xtingray/Qt5.12.2/5.12.2/gcc_64/lib/libQt5Widgets.so.5 #25 0x00007fd8d4d3c3fd in QAction::event(QEvent*) () at /home/xtingray/Qt5.12.2/5.12.2/gcc_64/lib/libQt5Widgets.so.5 #26 0x00007fd8d4d3f6fc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /home/xtingray/Qt5.12.2/5.12.2/gcc_64/lib/libQt5Widgets.so.5 #27 0x00007fd8d4d467f0 in QApplication::notify(QObject*, QEvent*) () at /home/xtingray/Qt5.12.2/5.12.2/gcc_64/lib/libQt5Widgets.so.5 #28 0x00007fd8d35abe98 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /home/xtingray/Qt5.12.2/5.12.2/gcc_64/lib/libQt5Core.so.5 #29 0x00007fd8d421f773 in QShortcutMap::dispatchEvent(QKeyEvent*) () at /home/xtingray/Qt5.12.2/5.12.2/gcc_64/lib/libQt5Gui.so.5 #30 0x00007fd8d421f839 in QShortcutMap::tryShortcut(QKeyEvent*) () at /home/xtingray/Qt5.12.2/5.12.2/gcc_64/lib/libQt5Gui.so.5 #31 0x00007fd8d41d5d22 in QWindowSystemInterface::handleShortcutEvent(QWindow*, unsigned long, int, QFlagsQt::KeyboardModifier, unsigned int, unsigned int, unsigned int, QString const&, bool, unsigned short) () at /home/xtingray/Qt5.12.2/5.12.2/gcc_64/lib/libQt5Gui.so.5 <