==51==ERROR: AddressSanitizer: heap-use-after-free on address 0x610000c524f0 at pc 0x7ffa13259832 bp 0x7fff3816e7a0 sp 0x7fff3816e798 WRITE of size 8 at 0x610000c524f0 thread T0 #0 0x7ffa13259831 in QQmlComponentAttached::~QQmlComponentAttached() /qt/qtdeclarative/src/qml/qml/qqmlcomponent.cpp:98 3:21 #1 0x7ffa132599bb in QQmlComponentAttached::~QQmlComponentAttached() /qt/qtdeclarative/src/qml/qml/qqmlcomponent.cpp:98 2:1 #2 0x7ffa0df760b4 in QObjectPrivate::deleteChildren() /qt/qtbase/src/corelib/kernel/qobject.cpp:2017:9 #3 0x7ffa0df75a3c in QObject::~QObject() /qt/qtbase/src/corelib/kernel/qobject.cpp:1033:12 #4 0x7ffa1425fe6a in QQuickItem::~QQuickItem() /qt/qtdeclarative/src/quick/items/qquickitem.cpp:2444:1 #5 0x7ff97061e2d9 in QQuickControl::~QQuickControl() /qt/qtquickcontrols2/src/quicktemplates2/qquickcontrol.cpp:937:1 #6 0x7ff970733711 in QQuickStackView::~QQuickStackView() /qt/qtquickcontrols2/src/quicktemplates2/qquickstackview.cpp:3 95:1 #7 0x7ff9703d5a22 in QQmlPrivate::QQmlElement::~QQmlElement() /qt/build/qtdeclarative/include/QtQml/../../../../ ../Downloads/qt/qtdeclarative/src/qml/qml/qqmlprivate.h:108:9 #8 0x7ff9703d5a4b in QQmlPrivate::QQmlElement::~QQmlElement() /qt/build/qtdeclarative/include/QtQml/../../../../ ../Downloads/qt/qtdeclarative/src/qml/qml/qqmlprivate.h:106:33 #9 0x7ffa0df760b4 in QObjectPrivate::deleteChildren() /qt/qtbase/src/corelib/kernel/qobject.cpp:2017:9 #10 0x7ffa0df75a3c in QObject::~QObject() /qt/qtbase/src/corelib/kernel/qobject.cpp:1033:12 #11 0x7ffa1425fe6a in QQuickItem::~QQuickItem() /qt/qtdeclarative/src/quick/items/qquickitem.cpp:2444:1 #12 0x7ff9e821f17e in QmlUiElement::~QmlUiElement() /work/uielement.cpp.cpp:67:1 #13 0x7ff9e9cea398 in InputHandler::~InputHandler() /work/inputhandler.cpp.cpp:142:1 #14 0x7ff9e9cfb738 in InputScope::~InputScope() /work/inputscope.cpp:66:1 #15 0x7ff9a508b954 in QQmlPrivate::QQmlElement::~QQmlElement() /asan-qt/include/QtQml/qqmlprivate.h:108: 9 #16 0x7ff9a508b9ab in QQmlPrivate::QQmlElement::~QQmlElement() /asan-qt/include/QtQml/qqmlprivate.h:106: 33 #17 0x7ffa0df760b4 in QObjectPrivate::deleteChildren() /qt/qtbase/src/corelib/kernel/qobject.cpp:2017:9 #18 0x7ffa0df75a3c in QObject::~QObject() /qt/qtbase/src/corelib/kernel/qobject.cpp:1033:12 #19 0x7ffa1425fe6a in QQuickItem::~QQuickItem() /qt/qtdeclarative/src/quick/items/qquickitem.cpp:2444:1 #20 0x7ff9e821f17e in QmlUiElement::~QmlUiElement() /work/uielement.cpp.cpp:67:1 #21 0x7ff9e9cea398 in InputHandler::~InputHandler() /work/inputhandler.cpp.cpp:142:1 #22 0x7ff9e9cfb738 in InputScope::~InputScope() /work/inputscope.cpp:66:1 #23 0x7ff9a508b954 in QQmlPrivate::QQmlElement::~QQmlElement() /asan-qt/include/QtQml/qqmlprivate.h:108: 9 #24 0x7ff9a508b9ab in QQmlPrivate::QQmlElement::~QQmlElement() /asan-qt/include/QtQml/qqmlprivate.h:106: 33 #25 0x7ffa135e1ef5 in QQmlDelegateModel::~QQmlDelegateModel() /qt/qtdeclarative/src/qml/types/qqmldelegatemodel.cpp:261 :13 #26 0x7ffa135e259b in QQmlDelegateModel::~QQmlDelegateModel() /qt/qtdeclarative/src/qml/types/qqmldelegatemodel.cpp:254 :1 #27 0x7ffa1469d90e in QQuickItemView::~QQuickItemView() /qt/qtdeclarative/src/quick/items/qquickitemview.cpp:167:9 #28 0x7ffa14703de7 in QQuickListView::~QQuickListView() /qt/qtdeclarative/src/quick/items/qquicklistview.cpp:2049:1 #29 0x7ffa143d9cf2 in QQmlPrivate::QQmlElement::~QQmlElement() /qt/build/qtdeclarative/src/quick/../../include/Qt Qml/../../../../../Downloads/qt/qtdeclarative/src/qml/qml/qqmlprivate.h:108:9 #30 0x7ffa143d9d1b in QQmlPrivate::QQmlElement::~QQmlElement() /qt/build/qtdeclarative/src/quick/../../include/Qt Qml/../../../../../Downloads/qt/qtdeclarative/src/qml/qml/qqmlprivate.h:106:33 #31 0x7ffa0df760b4 in QObjectPrivate::deleteChildren() /qt/qtbase/src/corelib/kernel/qobject.cpp:2017:9 #32 0x7ffa0df75a3c in QObject::~QObject() /qt/qtbase/src/corelib/kernel/qobject.cpp:1033:12 #33 0x7ffa1425fe6a in QQuickItem::~QQuickItem() /qt/qtdeclarative/src/quick/items/qquickitem.cpp:2444:1 #34 0x7ff9e821f17e in QmlUiElement::~QmlUiElement() /work/uielement.cpp.cpp:67:1 #35 0x7ff9e9cea398 in InputHandler::~InputHandler() /work/inputhandler.cpp.cpp:142:1 #36 0x7ff9e9cfb738 in InputScope::~InputScope() /work/inputscope.cpp:66:1 #37 0x7ff9a508b954 in QQmlPrivate::QQmlElement::~QQmlElement() /asan-qt/include/QtQml/qqmlprivate.h:108: 9 #38 0x7ff9a508b9ab in QQmlPrivate::QQmlElement::~QQmlElement() /asan-qt/include/QtQml/qqmlprivate.h:106: 33 #39 0x7ffa0df760b4 in QObjectPrivate::deleteChildren() /qt/qtbase/src/corelib/kernel/qobject.cpp:2017:9 #40 0x7ffa0df75a3c in QObject::~QObject() /qt/qtbase/src/corelib/kernel/qobject.cpp:1033:12 #41 0x7ffa1425fe6a in QQuickItem::~QQuickItem() /qt/qtdeclarative/src/quick/items/qquickitem.cpp:2444:1 #42 0x7ffa143d89c2 in QQmlPrivate::QQmlElement::~QQmlElement() /qt/build/qtdeclarative/src/quick/../../include/QtQml/ ../../../../../Downloads/qt/qtdeclarative/src/qml/qml/qqmlprivate.h:108:9 #43 0x7ffa143d89eb in QQmlPrivate::QQmlElement::~QQmlElement() /qt/build/qtdeclarative/src/quick/../../include/QtQml/ ../../../../../Downloads/qt/qtdeclarative/src/qml/qml/qqmlprivate.h:106:33 #44 0x7ffa0df760b4 in QObjectPrivate::deleteChildren() /qt/qtbase/src/corelib/kernel/qobject.cpp:2017:9 #45 0x7ffa0df75a3c in QObject::~QObject() /qt/qtbase/src/corelib/kernel/qobject.cpp:1033:12 #46 0x7ffa1425fe6a in QQuickItem::~QQuickItem() /qt/qtdeclarative/src/quick/items/qquickitem.cpp:2444:1 #47 0x7ffa143d89c2 in QQmlPrivate::QQmlElement::~QQmlElement() /qt/build/qtdeclarative/src/quick/../../include/QtQml/ ../../../../../Downloads/qt/qtdeclarative/src/qml/qml/qqmlprivate.h:108:9 #48 0x7ffa143d89eb in QQmlPrivate::QQmlElement::~QQmlElement() /qt/build/qtdeclarative/src/quick/../../include/QtQml/ ../../../../../Downloads/qt/qtdeclarative/src/qml/qml/qqmlprivate.h:106:33 #49 0x7ffa0df760b4 in QObjectPrivate::deleteChildren() /qt/qtbase/src/corelib/kernel/qobject.cpp:2017:9 #50 0x7ffa0df75a3c in QObject::~QObject() /qt/qtbase/src/corelib/kernel/qobject.cpp:1033:12 #51 0x7ffa1425fe6a in QQuickItem::~QQuickItem() /qt/qtdeclarative/src/quick/items/qquickitem.cpp:2444:1 #52 0x7ffa143d89c2 in QQmlPrivate::QQmlElement::~QQmlElement() /qt/build/qtdeclarative/src/quick/../../include/QtQml/ ../../../../../Downloads/qt/qtdeclarative/src/qml/qml/qqmlprivate.h:108:9 #53 0x7ffa143d89eb in QQmlPrivate::QQmlElement::~QQmlElement() /qt/build/qtdeclarative/src/quick/../../include/QtQml/ ../../../../../Downloads/qt/qtdeclarative/src/qml/qml/qqmlprivate.h:106:33 #54 0x7ffa0df760b4 in QObjectPrivate::deleteChildren() /qt/qtbase/src/corelib/kernel/qobject.cpp:2017:9 #55 0x7ffa0df75a3c in QObject::~QObject() /qt/qtbase/src/corelib/kernel/qobject.cpp:1033:12 #56 0x7ffa1425fe6a in QQuickItem::~QQuickItem() /qt/qtdeclarative/src/quick/items/qquickitem.cpp:2444:1 #57 0x7ff9e821f17e in QmlUiElement::~QmlUiElement() /work/uielement.cpp.cpp:67:1 #58 0x7ff9e9cea398 in InputHandler::~InputHandler() /work/inputhandler.cpp.cpp:142:1 #59 0x7ff9e9cfb738 in InputScope::~InputScope() /work/inputscope.cpp:66:1 #60 0x7ff9a508b954 in QQmlPrivate::QQmlElement::~QQmlElement() /asan-qt/include/QtQml/qqmlprivate.h:108: 9 #61 0x7ff9a508b9ab in QQmlPrivate::QQmlElement::~QQmlElement() /asan-qt/include/QtQml/qqmlprivate.h:106: 33 #62 0x7ffa0df783db in qDeleteInEventHandler(QObject*) /qt/qtbase/src/corelib/kernel/qobject.cpp:4658:5 #63 0x7ffa0df77b07 in QObject::event(QEvent*) /qt/qtbase/src/corelib/kernel/qobject.cpp:1252:9 #64 0x7ffa1428e6f1 in QQuickItem::event(QEvent*) /qt/qtdeclarative/src/quick/items/qquickitem.cpp:8105:25 #65 0x7ff9e9cf04a3 in InputHandler::event(QEvent*) /work/inputhandler.cpp.cpp:616:26 #66 0x7ffa0dea936b in QCoreApplicationPrivate::notify_helper(QObject*, QEvent*) /qt/qtbase/src/corelib/kernel/qcoreappl ication.cpp:1249:26 #67 0x7ffa0dea85f3 in doNotify(QObject*, QEvent*) /qt/qtbase/src/corelib/kernel/qcoreapplication.cpp:1178:47 #68 0x7ffa0dea87b9 in QCoreApplication::notify(QObject*, QEvent*) /qt/qtbase/src/corelib/kernel/qcoreapplication.cpp:11 64:12 #69 0x7ffa10d2fc50 in QGuiApplication::notify(QObject*, QEvent*) /qt/qtbase/src/gui/kernel/qguiapplication.cpp:1796:30 #70 0x7ffa0dea831c in QCoreApplication::notifyInternal2(QObject*, QEvent*) /qt/qtbase/src/corelib/kernel/qcoreapplicati on.cpp:1088:18 #71 0x7ffa0deaa670 in QCoreApplication::sendEvent(QObject*, QEvent*) /qt/qtbase/src/corelib/kernel/qcoreapplication.cpp :1476:12 #72 0x7ffa0deaca23 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) /qt/qtbase/src/corelib/ker nel/qcoreapplication.cpp:1825:9 #73 0x7ffa0deaa48c in QCoreApplication::sendPostedEvents(QObject*, int) /qt/qtbase/src/corelib/kernel/qcoreapplication. cpp:1679:5 #74 0x7ffa0e06f633 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) /qt/qtbase/src/corelib/kernel/qeventdis patcher_glib.cpp:276:5 #75 0x7ffa0803b536 in g_main_context_dispatch (/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x4c536) #76 0x7ffa0803b76f (/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x4c76f) #77 0x7ffa0803b7fb in g_main_context_iteration (/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x4c7fb) #78 0x7ffa0e06d322 in QEventDispatcherGlib::processEvents(QFlags) /qt/qtbase/src/corelib /kernel/qeventdispatcher_glib.cpp:422:19 #79 0x7ffa015a2507 in QXcbGlibEventDispatcher::processEvents(QFlags) /qt/qtbase/src/plug ins/platforms/xcb/qxcbeventdispatcher.cpp:143:34 #80 0x7ffa0de9b0fa in QEventLoop::processEvents(QFlags) /qt/qtbase/src/corelib/kernel/qe ventloop.cpp:138:51 #81 0x7ffa0de9b7a6 in QEventLoop::exec(QFlags) /qt/qtbase/src/corelib/kernel/qeventloop. cpp:225:9 #82 0x7ffa0dea9e8f in QCoreApplication::exec() /qt/qtbase/src/corelib/kernel/qcoreapplication.cpp:1389:32 #83 0x7ffa10d2fbd5 in QGuiApplication::exec() /qt/qtbase/src/gui/kernel/qguiapplication.cpp:1784:12 #84 0x42ac1c in main /qt/qtapplicationmanager/src/tools/appman/appman.cpp:120:16 #85 0x7ffa0ba96bf6 in __libc_start_main /build/glibc-S9d2JN/glibc-2.27/csu/../csu/libc-start.c:310 #86 0x42a488 in _start (/asan-qt/bin/appman+0x42a488) 0x610000c524f0 is located 176 bytes inside of 184-byte region [0x610000c52440,0x610000c524f8) freed by thread T0 here: #0 0x7ffa15b7390d in operator delete(void*) (/usr/lib/llvm-10/lib/clang/10.0.1/lib/linux/libclang_rt.asan-x86_64.so+0xcb90d) #1 0x7ffa1326dbea in QQmlContextData::destroy() /qt/qtdeclarative/src/qml/qml/qqmlcontext.cpp:677:5 #2 0x7ffa12d7810c in QQmlContextDataRef::clear() /qt/build/qtdeclarative/src/qml/../../include/QtQml/5.12.9/QtQml/private/../../. ./../../../../../Downloads/qt/qtdeclarative/src/qml/qml/qqmlcontext_p.h:342:24 #3 0x7ffa12e184c3 in QQmlContextDataRef::setContextData(QQmlContextData*) /qt/build/qtdeclarative/src/qml/../../include/QtQml/5.1 2.9/QtQml/private/../../../../../../../../Downloads/qt/qtdeclarative/src/qml/qml/qqmlcontext_p.h:326:5 #4 0x7ffa12e10ef3 in QQmlContextDataRef::operator=(QQmlContextData*) /qt/build/qtdeclarative/src/qml/../../include/QtQml/5.12.9/Q tQml/private/../../../../../../../../Downloads/qt/qtdeclarative/src/qml/qml/qqmlcontext_p.h:349:5 #5 0x7ffa131f1bdd in QQmlData::setQueuedForDeletion(QObject*) /qt/qtdeclarative/src/qml/qml/qqmlengine.cpp:936:35 #6 0x7ffa131ee24a in QQmlData::markAsDeleted(QObject*) /qt/qtdeclarative/src/qml/qml/qqmlengine.cpp:919:5 #7 0x7ffa131ee2fa in QQmlData::markAsDeleted(QObject*) /qt/qtdeclarative/src/qml/qml/qqmlengine.cpp:923:9 #8 0x7ffa131ee2fa in QQmlData::markAsDeleted(QObject*) /qt/qtdeclarative/src/qml/qml/qqmlengine.cpp:923:9 #9 0x7ffa131ee138 in QQmlPrivate::qdeclarativeelement_destructor(QObject*) /qt/qtdeclarative/src/qml/qml/qqmlengine.cpp :763:9 #10 0x7ff9a508b943 in QQmlPrivate::QQmlElement::~QQmlElement() /asan-qt/include/QtQml/qqmlprivate.h:107: 13 #11 0x7ff9a508b9ab in QQmlPrivate::QQmlElement::~QQmlElement() /asan-qt/include/QtQml/qqmlprivate.h:106: 33 #12 0x7ffa135e1ef5 in QQmlDelegateModel::~QQmlDelegateModel() /qt/qtdeclarative/src/qml/types/qqmldelegatemodel.cpp:261 :13 #13 0x7ffa135e259b in QQmlDelegateModel::~QQmlDelegateModel() /qt/qtdeclarative/src/qml/types/qqmldelegatemodel.cpp:254 :1 #14 0x7ffa1469d90e in QQuickItemView::~QQuickItemView() /qt/qtdeclarative/src/quick/items/qquickitemview.cpp:167:9 #15 0x7ffa14703de7 in QQuickListView::~QQuickListView() /qt/qtdeclarative/src/quick/items/qquicklistview.cpp:2049:1 #16 0x7ffa143d9cf2 in QQmlPrivate::QQmlElement::~QQmlElement() /qt/build/qtdeclarative/src/quick/../../include/Qt Qml/../../../../../Downloads/qt/qtdeclarative/src/qml/qml/qqmlprivate.h:108:9 #17 0x7ffa143d9d1b in QQmlPrivate::QQmlElement::~QQmlElement() /qt/build/qtdeclarative/src/quick/../../include/Qt Qml/../../../../../Downloads/qt/qtdeclarative/src/qml/qml/qqmlprivate.h:106:33 #18 0x7ffa0df760b4 in QObjectPrivate::deleteChildren() /qt/qtbase/src/corelib/kernel/qobject.cpp:2017:9 #19 0x7ffa0df75a3c in QObject::~QObject() /qt/qtbase/src/corelib/kernel/qobject.cpp:1033:12 #20 0x7ffa1425fe6a in QQuickItem::~QQuickItem() /qt/qtdeclarative/src/quick/items/qquickitem.cpp:2444:1 #21 0x7ff9e821f17e in QmlUiElement::~QmlUiElement() /work/uielement.cpp.cpp:67:1 #22 0x7ff9e9cea398 in InputHandler::~InputHandler() /work/inputhandler.cpp.cpp:142:1 #23 0x7ff9e9cfb738 in InputScope::~InputScope() /work/inputscope.cpp:66:1 #24 0x7ff9a508b954 in QQmlPrivate::QQmlElement::~QQmlElement() /asan-qt/include/QtQml/qqmlprivate.h:108: 9 #25 0x7ff9a508b9ab in QQmlPrivate::QQmlElement::~QQmlElement() /asan-qt/include/QtQml/qqmlprivate.h:106: 33 #26 0x7ffa0df760b4 in QObjectPrivate::deleteChildren() /qt/qtbase/src/corelib/kernel/qobject.cpp:2017:9 #27 0x7ffa0df75a3c in QObject::~QObject() /qt/qtbase/src/corelib/kernel/qobject.cpp:1033:12 #28 0x7ffa1425fe6a in QQuickItem::~QQuickItem() /qt/qtdeclarative/src/quick/items/qquickitem.cpp:2444:1 #29 0x7ffa143d89c2 in QQmlPrivate::QQmlElement::~QQmlElement() /qt/build/qtdeclarative/src/quick/../../include/QtQml/ ../../../../../Downloads/qt/qtdeclarative/src/qml/qml/qqmlprivate.h:108:9 previously allocated by thread T0 here: #0 0x7ffa15b730ad in operator new(unsigned long) (/usr/lib/llvm-10/lib/clang/10.0.1/lib/linux/libclang_rt.asan-x86_64.so+0xcb0ad) #1 0x7ffa1344cb00 in QQmlObjectCreator::create(int, QObject*, QQmlInstantiationInterrupt*) /qt/qtdeclarative/src/qml/qm l/qqmlobjectcreator.cpp:173:15 #2 0x7ffa1344f236 in QQmlObjectCreator::createInstance(int, QObject*, bool) /qt/qtdeclarative/src/qml/qml/qqmlobjectcre ator.cpp:1202:35 #3 0x7ffa1344d6c7 in QQmlObjectCreator::create(int, QObject*, QQmlInstantiationInterrupt*) /qt/qtdeclarative/src/qml/qm l/qqmlobjectcreator.cpp:203:25 #4 0x7ffa1344f236 in QQmlObjectCreator::createInstance(int, QObject*, bool) /qt/qtdeclarative/src/qml/qml/qqmlobjectcre ator.cpp:1202:35 #5 0x7ffa1345568e in QQmlObjectCreator::setPropertyBinding(QQmlPropertyData const*, QV4::CompiledData::Binding const*) /qt/qtdeclarative/src/qml/qml/qqmlobjectcreator.cpp:825:28 #6 0x7ffa13452d89 in QQmlObjectCreator::setupBindings(bool) /qt/qtdeclarative/src/qml/qml/qqmlobjectcreator.cpp:777:14 #7 0x7ffa1346229f in QQmlObjectCreator::populateInstance(int, QObject*, QObject*, QQmlPropertyData const*) /qt/qtdeclar ative/src/qml/qml/qqmlobjectcreator.cpp:1473:5 #8 0x7ffa13450a6a in QQmlObjectCreator::createInstance(int, QObject*, bool) /qt/qtdeclarative/src/qml/qml/qqmlobjectcre ator.cpp:1306:15 #9 0x7ffa1344d6c7 in QQmlObjectCreator::create(int, QObject*, QQmlInstantiationInterrupt*) /qt/qtdeclarative/src/qml/qm l/qqmlobjectcreator.cpp:203:25 #10 0x7ffa1344f236 in QQmlObjectCreator::createInstance(int, QObject*, bool) /qt/qtdeclarative/src/qml/qml/qqmlobjectcr eator.cpp:1202:35 #11 0x7ffa1345568e in QQmlObjectCreator::setPropertyBinding(QQmlPropertyData const*, QV4::CompiledData::Binding const*) /qt/qtdeclarative/src/qml/qml/qqmlobjectcreator.cpp:825:28 #12 0x7ffa13452d89 in QQmlObjectCreator::setupBindings(bool) /qt/qtdeclarative/src/qml/qml/qqmlobjectcreator.cpp:777:14 #13 0x7ffa1346229f in QQmlObjectCreator::populateInstance(int, QObject*, QObject*, QQmlPropertyData const*) /qt/qtdecla rative/src/qml/qml/qqmlobjectcreator.cpp:1473:5 #14 0x7ffa13450a6a in QQmlObjectCreator::createInstance(int, QObject*, bool) /qt/qtdeclarative/src/qml/qml/qqmlobjectcr eator.cpp:1306:15 #15 0x7ffa1344d6c7 in QQmlObjectCreator::create(int, QObject*, QQmlInstantiationInterrupt*) /qt/qtdeclarative/src/qml/q ml/qqmlobjectcreator.cpp:203:25 #16 0x7ffa132674be in QQmlIncubatorPrivate::incubate(QQmlInstantiationInterrupt&) /qt/qtdeclarative/src/qml/qml/qqmlinc ubator.cpp:299:28 #17 0x7ffa13269cd5 in QQmlIncubationController::incubateFor(int) /qt/qtdeclarative/src/qml/qml/qqmlincubator.cpp:390:71 #18 0x7ffa1432750a in QQuickWindowIncubationController::incubate() /qt/qtdeclarative/src/quick/items/qquickwindow.cpp:1 64:17 #19 0x7ffa142ec5e4 in QQuickWindowIncubationController::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) /qt/build/qt declarative/src/quick/.moc/qquickwindow.moc:74:21 #20 0x7ffa0df8cbe9 in QMetaObject::activate(QObject*, int, int, void**) /qt/qtbase/src/corelib/kernel/qobject.cpp:3804: 21 #21 0x7ffa0df8b31c in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) /qt/qtbase/src/corelib/kernel/qo bject.cpp:3657:5 #22 0x7ffa140ff121 in QSGRenderLoop::timeToIncubate() /qt/build/qtdeclarative/src/quick/.moc/moc_qsgrenderloop_p.cpp:130:5 #23 0x7ffa1418a436 in QSGThreadedRenderLoop::event(QEvent*) /qt/qtdeclarative/src/quick/scenegraph/qsgthreadedrenderloo p.cpp:1259:18 #24 0x7ffa0dea936b in QCoreApplicationPrivate::notify_helper(QObject*, QEvent*) /qt/qtbase/src/corelib/kernel/qcoreappl ication.cpp:1249:26 #25 0x7ffa0dea85f3 in doNotify(QObject*, QEvent*) /qt/qtbase/src/corelib/kernel/qcoreapplication.cpp:1178:47 #26 0x7ffa0dea87b9 in QCoreApplication::notify(QObject*, QEvent*) /qt/qtbase/src/corelib/kernel/qcoreapplication.cpp:11 64:12 #27 0x7ffa10d2fc50 in QGuiApplication::notify(QObject*, QEvent*) /qt/qtbase/src/gui/kernel/qguiapplication.cpp:1796:30 #28 0x7ffa0dea831c in QCoreApplication::notifyInternal2(QObject*, QEvent*) /qt/qtbase/src/corelib/kernel/qcoreapplicati on.cpp:1088:18 #29 0x7ffa0deaa670 in QCoreApplication::sendEvent(QObject*, QEvent*) /qt/qtbase/src/corelib/kernel/qcoreapplication.cpp :1476:12 SUMMARY: AddressSanitizer: heap-use-after-free /qt/qtdeclarative/src/qml/qml/qqmlcomponent.cpp:983:21 in QQmlComponentAttac hed::~QQmlComponentAttached()