Details
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Bug
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Resolution: Fixed
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P1: Critical
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None
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5.15.2
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None
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Operating System: openSUSE Tumbleweed 20220420
KDE Plasma Version: 5.24.80
KDE Frameworks Version: 5.94.0
Qt Version: 5.15.2
Kernel Version: 5.17.3-1-default (64-bit)
Graphics Platform: X11
Processors: 8 × AMD Ryzen 7 4700U with Radeon Graphics
Memory: 15.0 GiB of RAM
Graphics Processor: AMD RENOIR
Manufacturer: HP
Product Name: HP ZHAN 66 Pro A 14 G3Operating System: openSUSE Tumbleweed 20220420 KDE Plasma Version: 5.24.80 KDE Frameworks Version: 5.94.0 Qt Version: 5.15.2 Kernel Version: 5.17.3-1-default (64-bit) Graphics Platform: X11 Processors: 8 × AMD Ryzen 7 4700U with Radeon Graphics Memory: 15.0 GiB of RAM Graphics Processor: AMD RENOIR Manufacturer: HP Product Name: HP ZHAN 66 Pro A 14 G3
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Linux/X11
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0cfdecba54e4f40468c4c9a8a6668cc1bc0eff65
Description
When the size (height) of ScrollView depends on its delegate items and `reuseItems` is set to true, the program is prone to crash.
I have created a simple program based on `QFileSystemModel` to reproduce the bug. The video in the attachment shows how to reproduce the bug.
See also: https://bugs.kde.org/show_bug.cgi?id=452660
Backtrace
(gdb) bt #0 QQmlDelegateModelItem::destroyObject (this=0xc3afd0) at /usr/src/debug/libqt5-qtdeclarative-5.15.2+kde43-ku.2.1.x86_64/src/qmlmodels/qqmldelegatemodel.cpp:2422 #1 0x00007ffff72c66e3 in QQmlDelegateModelPrivate::destroyCacheItem (cacheItem=0xc3afd0, this=0x5a0570) at /usr/src/debug/libqt5-qtdeclarative-5.15.2+kde43-ku.2.1.x8 6_64/src/qmlmodels/qqmldelegatemodel.cpp:644 #2 operator() (cacheItem=0xc3afd0, __closure=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.15.2+kde43-ku.2.1.x86_64/src/qmlmodels/qqmldelegatemodel.cpp:1 118 #3 std::__invoke_impl<void, QQmlDelegateModelPrivate::drainReusableItemsPool(int)::<lambda(QQmlDelegateModelItem*)>&, QQmlDelegateModelItem*> (__f=...) at /usr/inclu de/c++/11/bits/invoke.h:61 #4 std::__invoke_r<void, QQmlDelegateModelPrivate::drainReusableItemsPool(int)::<lambda(QQmlDelegateModelItem*)>&, QQmlDelegateModelItem*> (__fn=...) at /usr/include /c++/11/bits/invoke.h:111 #5 std::_Function_handler<void(QQmlDelegateModelItem*), QQmlDelegateModelPrivate::drainReusableItemsPool(int)::<lambda(QQmlDelegateModelItem*)> >::_M_invoke(const st d::_Any_data &, QQmlDelegateModelItem *&&) (__functor=..., __args#0=<optimized out>) at /usr/include/c++/11/bits/std_function.h:290 #6 0x00007ffff72c5991 in std::function<void (QQmlDelegateModelItem*)>::operator()(QQmlDelegateModelItem*) const (__args#0=0xc3afd0, this=0x7fffffff7680) at /usr/incl ude/c++/11/bits/std_function.h:590 #7 QQmlReusableDelegateModelItemsPool::drain(int, std::function<void (QQmlDelegateModelItem*)>) (this=0x5a0768, maxPoolTime=0, releaseItem=...) at /usr/src/debug/lib qt5-qtdeclarative-5.15.2+kde43-ku.2.1.x86_64/src/qmlmodels/qqmldelegatemodel.cpp:3821 #8 0x00007ffff72c5ce0 in QQmlDelegateModelPrivate::drainReusableItemsPool (maxPoolTime=<optimized out>, this=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative- 5.15.2+kde43-ku.2.1.x86_64/src/qmlmodels/qqmldelegatemodel.cpp:1118 #9 QQmlDelegateModel::drainReusableItemsPool (this=<optimized out>, maxPoolTime=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.15.2+kde43-ku.2.1.x86_64/sr c/qmlmodels/qqmldelegatemodel.cpp:1123 #10 0x00007ffff7d56244 in QQuickListView::geometryChanged (this=0x79b870, newGeometry=..., oldGeometry=...) at /usr/src/debug/libqt5-qtdeclarative-5.15.2+kde43-ku.2.1 .x86_64/src/quick/items/qquicklistview.cpp:3418 #11 0x00007ffff7c73d3b in QQuickItem::setSize (this=this@entry=0x79b870, size=...) at /usr/src/debug/libqt5-qtdeclarative-5.15.2+kde43-ku.2.1.x86_64/src/quick/items/q quickitem.cpp:7037 #12 0x00007ffff0a20c75 in QQuickControlPrivate::resizeContent (this=<optimized out>) at /usr/src/debug/libqt5-qtquickcontrols2-5.15.2+kde10-ku.1.1.x86_64/src/quicktem plates2/qquickcontrol.cpp:402 #13 0x00007ffff0a23442 in QQuickControl::paddingChange (this=<optimized out>, newPadding=..., oldPadding=...) at /usr/src/debug/libqt5-qtquickcontrols2-5.15.2+kde10-k u.1.1.x86_64/src/quicktemplates2/qquickcontrol.cpp:2261 #14 0x00007ffff0a1cd3d in QQuickControlPrivate::setRightPadding (this=0x7502e0, value=<optimized out>, reset=<optimized out>) at /usr/src/debug/libqt5-qtquickcontrols 2-5.15.2+kde10-ku.1.1.x86_64/src/quicktemplates2/qquickcontrol.cpp:272 #15 0x00007ffff70d706f in QQmlPropertyData::writeProperty (flags=..., value=0x7fffffff7898, target=<optimized out>, this=<optimized out>) at ../../include/QtQml/5.15. 2/QtQml/private/../../../../../../src/qml/qml/qqmlpropertydata_p.h:375 #16 GenericBinding<6>::doStore<double> (flags=..., pd=<optimized out>, value=<optimized out>, this=0x75b420) at /usr/src/debug/libqt5-qtdeclarative-5.15.2+kde43-ku.2. 1.x86_64/src/qml/qml/qqmlbinding.cpp:342 #17 GenericBinding<6>::write (this=0x75b420, result=..., isUndefined=<optimized out>, flags=...) at /usr/src/debug/libqt5-qtdeclarative-5.15.2+kde43-ku.2.1.x86_64/src /qml/qml/qqmlbinding.cpp:315 #18 0x00007ffff70d7ea7 in QQmlNonbindingBinding::doUpdate (this=0x75b420, watcher=..., flags=..., scope=...) at /usr/src/debug/libqt5-qtdeclarative-5.15.2+kde43-ku.2. 1.x86_64/src/qml/qml/qqmlbinding.cpp:258 #19 0x00007ffff70d5ac4 in QQmlBinding::update (this=0x75b420, flags=...) at /usr/src/debug/libqt5-qtdeclarative-5.15.2+kde43-ku.2.1.x86_64/src/qml/qml/qqmlbinding.cpp :194 #20 0x00007ffff70b2c95 in QQmlNotifier::emitNotify (endpoint=<optimized out>, a=0x0) at /usr/src/debug/libqt5-qtdeclarative-5.15.2+kde43-ku.2.1.x86_64/src/qml/qml/qqm lnotifier.cpp:104 #21 0x00007ffff624afb8 in doActivate<false> (sender=0x758400, signal_index=4, argv=argv@entry=0x0) at kernel/qobject.cpp:3778 #22 0x00007ffff62449cd in QMetaObject::activate (sender=<optimized out>, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=argv@entry=0x0) at ker nel/qobject.cpp:3959 #23 0x00007ffff7059535 in QQmlVMEMetaObject::activate (this=this@entry=0x7612d0, object=<optimized out>, index=<optimized out>, args=args@entry=0x0) at /usr/src/debug /libqt5-qtdeclarative-5.15.2+kde43-ku.2.1.x86_64/src/qml/qml/qqmlvmemetaobject.cpp:1312 #24 0x00007ffff705bc3f in QQmlVMEMetaObject::metaCall (this=0x7612d0, o=<optimized out>, c=<optimized out>, _id=<optimized out>, a=<optimized out>) at /usr/src/debug/ libqt5-qtdeclarative-5.15.2+kde43-ku.2.1.x86_64/src/qml/qml/qqmlvmemetaobject.cpp:880 #25 0x00007ffff70d7040 in QQmlPropertyData::writeProperty (flags=..., value=0x7fffffff94c8, target=<optimized out>, this=<optimized out>) at ../../include/QtQml/5.15. 2/QtQml/private/../../../../../../src/qml/qml/qqmlpropertydata_p.h:379 #26 GenericBinding<6>::doStore<double> (flags=..., pd=<optimized out>, value=<optimized out>, this=0x7e77b0) at /usr/src/debug/libqt5-qtdeclarative-5.15.2+kde43-ku.2. 1.x86_64/src/qml/qml/qqmlbinding.cpp:342 #27 GenericBinding<6>::write (this=0x7e77b0, result=..., isUndefined=<optimized out>, flags=...) at /usr/src/debug/libqt5-qtdeclarative-5.15.2+kde43-ku.2.1.x86_64/src /qml/qml/qqmlbinding.cpp:315 #28 0x00007ffff70d7ea7 in QQmlNonbindingBinding::doUpdate (this=0x7e77b0, watcher=..., flags=..., scope=...) at /usr/src/debug/libqt5-qtdeclarative-5.15.2+kde43-ku.2. 1.x86_64/src/qml/qml/qqmlbinding.cpp:258 #29 0x00007ffff70d5ac4 in QQmlBinding::update (this=0x7e77b0, flags=...) at /usr/src/debug/libqt5-qtdeclarative-5.15.2+kde43-ku.2.1.x86_64/src/qml/qml/qqmlbinding.cpp :194 #30 0x00007ffff70b2c95 in QQmlNotifier::emitNotify (endpoint=<optimized out>, a=0x0) at /usr/src/debug/libqt5-qtdeclarative-5.15.2+kde43-ku.2.1.x86_64/src/qml/qml/qqm lnotifier.cpp:104 #31 0x00007ffff624afb8 in doActivate<false> (sender=0x792300, signal_index=18, argv=0x0) at kernel/qobject.cpp:3778 #32 0x00007ffff62447af in QMetaObject::activate (sender=sender@entry=0x792300, m=m@entry=0x7ffff7f68e20 <QQuickItem::staticMetaObject>, local_signal_index=local_signa l_index@entry=15, argv=argv@entry=0x0) at kernel/qobject.cpp:3946 #33 0x00007ffff7c64d33 in QQuickItem::visibleChanged (this=this@entry=0x792300) at .moc/moc_qquickitem.cpp:1170 #34 0x00007ffff7c750c7 in QQuickItemPrivate::setEffectiveVisibleRecur (this=this@entry=0x7923c0, newEffectiveVisible=<optimized out>) at /usr/src/debug/libqt5-qtdecla rative-5.15.2+kde43-ku.2.1.x86_64/src/quick/items/qquickitem.cpp:6081 #35 0x00007ffff7c75153 in QQuickItemPrivate::setVisible (this=0x7923c0, visible=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.15.2+kde43-ku.2.1.x86_64/src /quick/items/qquickitem.cpp:5975 #36 0x00007ffff70d749f in QQmlPropertyData::writeProperty (flags=..., value=0x7fffffffb06f, target=<optimized out>, this=<optimized out>) at ../../include/QtQml/5.15. 2/QtQml/private/../../../../../../src/qml/qml/qqmlpropertydata_p.h:375 #37 GenericBinding<1>::doStore<bool> (flags=..., pd=<optimized out>, value=<optimized out>, this=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.15.2+kde43- ku.2.1.x86_64/src/qml/qml/qqmlbinding.cpp:342 #38 GenericBinding<1>::write (this=0x7993d0, result=..., isUndefined=<optimized out>, flags=...) at /usr/src/debug/libqt5-qtdeclarative-5.15.2+kde43-ku.2.1.x86_64/src /qml/qml/qqmlbinding.cpp:305 #39 0x00007ffff70d7ea7 in QQmlNonbindingBinding::doUpdate (this=0x7993d0, watcher=..., flags=..., scope=...) at /usr/src/debug/libqt5-qtdeclarative-5.15.2+kde43-ku.2. 1.x86_64/src/qml/qml/qqmlbinding.cpp:258 #40 0x00007ffff70d5ac4 in QQmlBinding::update (this=0x7993d0, flags=...) at /usr/src/debug/libqt5-qtdeclarative-5.15.2+kde43-ku.2.1.x86_64/src/qml/qml/qqmlbinding.cpp :194 #41 0x00007ffff70b2c95 in QQmlNotifier::emitNotify (endpoint=<optimized out>, a=0x0) at /usr/src/debug/libqt5-qtdeclarative-5.15.2+kde43-ku.2.1.x86_64/src/qml/qml/qqm lnotifier.cpp:104 #42 0x00007ffff624afb8 in doActivate<false> (sender=0x792300, signal_index=61, argv=0x0) at kernel/qobject.cpp:3778 #43 0x00007ffff0a53f5b in QQuickScrollBar::setSize (this=0x792300, size=<optimized out>) at /usr/src/debug/libqt5-qtquickcontrols2-5.15.2+kde10-ku.1.1.x86_64/src/quic ktemplates2/qquickscrollbar.cpp:353 #44 0x00007ffff624b488 in doActivate<false> (sender=0x75f7f0, signal_index=6, argv=0x7fffffffcce0) at kernel/qobject.cpp:3898 #45 0x00007ffff62447af in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7ffff7f7f8e0 <QQuickFlickableVisibleArea::staticMetaObject>, local_signal_index=l ocal_signal_index@entry=3, argv=argv@entry=0x7fffffffcce0) at kernel/qobject.cpp:3946 #46 0x00007ffff7e33cc3 in QQuickFlickableVisibleArea::heightRatioChanged (this=<optimized out>, _t1=<optimized out>) at .moc/moc_qquickflickable_p_p.cpp:242 #47 0x00007ffff7d41e6e in QQuickItemViewPrivate::regenerate (this=0x79b930, orientationChanged=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.15.2+kde43-ku .2.1.x86_64/src/quick/items/qquickitemview.cpp:1846 #48 0x00007ffff7d4310a in QQuickItemViewPrivate::regenerate (orientationChanged=false, this=0x79b930) at ../../include/QtQmlModels/5.15.2/QtQmlModels/private/../../.. /../../../src/qmlmodels/qqmlchangeset_p.h:127 #49 QQuickItemView::modelUpdated (this=0x79b870, changeSet=..., reset=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.15.2+kde43-ku.2.1.x86_64/src/quick/ite ms/qquickitemview.cpp:1247 #50 0x00007ffff624b488 in doActivate<false> (sender=0x79d660, signal_index=4, argv=0x7fffffffce50) at kernel/qobject.cpp:3898 #51 0x00007ffff62447af in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7ffff72fad60 <QQmlInstanceModel::staticMetaObject>, local_signal_index=local_sign al_index@entry=1, argv=argv@entry=0x7fffffffce50) at kernel/qobject.cpp:3946 #52 0x00007ffff729b016 in QQmlInstanceModel::modelUpdated (this=<optimized out>, _t1=..., _t2=<optimized out>) at .moc/moc_qqmlobjectmodel_p.cpp:263 #53 0x00007ffff72bb2c8 in non-virtual thunk to QQmlDelegateModelPrivate::emitModelUpdated(QQmlChangeSet const&, bool) () at /usr/src/debug/libqt5-qtdeclarative-5.15.2 +kde43-ku.2.1.x86_64/src/qmlmodels/qqmldelegatemodel.cpp:2495 #54 0x00007ffff72c172a in QQmlDelegateModelGroupPrivate::emitModelUpdated (this=0x79d720, reset=reset@entry=true) at /usr/src/debug/libqt5-qtdeclarative-5.15.2+kde43- ku.2.1.x86_64/src/qmlmodels/qqmldelegatemodel.cpp:2745 #55 0x00007ffff72c1b30 in QQmlDelegateModelPrivate::emitChanges (this=this@entry=0x5a0570) at /usr/src/debug/libqt5-qtdeclarative-5.15.2+kde43-ku.2.1.x86_64/src/qmlmo dels/qqmldelegatemodel.cpp:1868 #56 0x00007ffff72cd16d in QQmlDelegateModel::_q_modelReset (this=<optimized out>) at /usr/src/debug/libqt5-qtdeclarative-5.15.2+kde43-ku.2.1.x86_64/src/qmlmodels/qqml delegatemodel.cpp:1918 #57 0x00007ffff72cdd9b in QQmlDelegateModel::qt_metacall (this=0x79d660, _c=QMetaObject::InvokeMetaMethod, _id=17, _a=0x7fffffffd0b0) at .moc/moc_qqmldelegatemodel_p. cpp:371 #58 0x00007ffff624b1a5 in doActivate<false> (sender=0x7fffffffd5d0, signal_index=6, argv=0x7fffffffd0b0) at kernel/qobject.cpp:3912 #59 0x00007ffff62447af in QMetaObject::activate (sender=sender@entry=0x7fffffffd5d0, m=m@entry=0x7ffff64e8d60 <QAbstractItemModel::staticMetaObject>, local_signal_ind ex=local_signal_index@entry=3, argv=argv@entry=0x7fffffffd0b0) at kernel/qobject.cpp:3946 #60 0x00007ffff61af176 in QAbstractItemModel::layoutChanged (this=this@entry=0x7fffffffd5d0, _t1=..., _t2=<optimized out>, _t2@entry=QAbstractItemModel::NoLayoutChang eHint) at .moc/moc_qabstractitemmodel.cpp:571 #61 0x00007ffff76d5c9f in QFileSystemModel::sort (this=0x7fffffffd5d0, column=<optimized out>, order=<optimized out>) at dialogs/qfilesystemmodel.cpp:1183 #62 0x00007ffff624128e in QObject::event (this=0x7fffffffd5d0, e=0x7fff9c17a6d0) at kernel/qobject.cpp:1314 #63 0x00007ffff74a4b0f in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x7fffffffd5d0, e=0x7fff9c17a6d0) at kernel/qapplication.cpp:3632 #64 0x00007ffff6214b5a in QCoreApplication::notifyInternal2 (receiver=0x7fffffffd5d0, event=0x7fff9c17a6d0) at kernel/qcoreapplication.cpp:1064 #65 0x00007ffff6217b97 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x43ad80) at kernel/qcoreapplication.cpp:1821 #66 0x00007ffff626cc33 in postEventSourceDispatch (s=s@entry=0x5208e0) at kernel/qeventdispatcher_glib.cpp:277 #67 0x00007ffff4b9e122 in g_main_dispatch (context=0x7fffec005010) at ../glib/gmain.c:3417 #68 g_main_context_dispatch (context=0x7fffec005010) at ../glib/gmain.c:4135 #69 0x00007ffff4b9e4b8 in g_main_context_iterate (context=context@entry=0x7fffec005010, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../gl ib/gmain.c:4211 #70 0x00007ffff4b9e56f in g_main_context_iteration (context=0x7fffec005010, may_block=1) at ../glib/gmain.c:4276 #71 0x00007ffff626c2b4 in QEventDispatcherGlib::processEvents (this=0x52e600, flags=...) at kernel/qeventdispatcher_glib.cpp:423 #72 0x00007ffff621355b in QEventLoop::exec (this=this@entry=0x7fffffffd540, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69 #73 0x00007ffff621b820 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #74 0x00007ffff666561c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1867 #75 0x00007ffff74a4a85 in QApplication::exec () at kernel/qapplication.cpp:2824 #76 0x000000000040130d in main (argc=<optimized out>, argv=<optimized out>) at /mnt/data/home/qydw/Develop/Test/ReuseItemsBug/main.cpp:21