Loading...

XML

Word

Printable

Details

Type: Bug
Resolution: Done
Priority: P2: Important
Fix Version/s: 4.8.0
Affects Version/s: 4.7.4, 5.0.0
Component/s: QML: Declarative and Javascript Engine
Labels:
None
Environment:
Ubuntu

Commits:
d3599ab224f00915045562562c7fd4d6b9b9aeb4

Description

Using the attached .qml, qmlviewer/qmlscene will segfault on a click (outside of the list).
The effect of a click is to set the current state to "xmlstring", in which:

PropertyChanges { target: xmllistmodelelement; xml: modelxml }

where modelxml is a string of xml data.

Performing the same change outside of a state (e.g. onClicked:

{ xmllistmodelelement.xml = modelxml }

) works ok.

Backtrace:

Program received signal SIGSEGV, Segmentation fault.
0xb63e7a86 in QScopedPointer<QObjectData, QScopedPointerDeleter<QObjectData> >::data (this=0x4)
    at ../../include/QtCore/../../../../../depot/qt/4.7/src/corelib/tools/qscopedpointer.h:135
135             return d;
(gdb) bt
#0  0xb63e7a86 in QScopedPointer<QObjectData, QScopedPointerDeleter<QObjectData> >::data (this=0x4)
    at ../../include/QtCore/../../../../../depot/qt/4.7/src/corelib/tools/qscopedpointer.h:135
#1  0xb6439def in qGetPtrHelper<QScopedPointer<QObjectData, QScopedPointerDeleter<QObjectData> > > (p=...)
    at ../../include/QtCore/../../../../../depot/qt/4.7/src/corelib/global/qglobal.h:2341
#2  0xb6439e06 in QNetworkReply::d_func (this=0x0) at /home/user/depot/qt/4.7/src/network/access/qnetworkreply.h:172
#3  0xb6439978 in QNetworkReply::attribute (this=0x0, code=QNetworkRequest::RedirectionTargetAttribute)
    at /home/user/depot/qt/4.7/src/network/access/qnetworkreply.cpp:572
#4  0xb7ca411a in QDeclarativeXmlListModel::requestFinished (this=0x821b438)
    at /home/user/depot/qt/4.7/src/declarative/util/qdeclarativexmllistmodel.cpp:927
#5  0xb7e967fb in QDeclarativeXmlListModel::qt_metacall (this=0x821b438, _c=QMetaObject::InvokeMetaMethod, _id=8, _a=0xbfffea58)
    at .moc/debug-shared/moc_qdeclarativexmllistmodel_p.cpp:149
#6  0xb6229bd2 in QMetaObject::metacall (object=0x821b438, cl=QMetaObject::InvokeMetaMethod, idx=16, argv=0xbfffea58)
    at /home/user/depot/qt/4.7/src/corelib/kernel/qmetaobject.cpp:237
#7  0xb623ee23 in QMetaObject::activate (sender=0x8232680, m=0xb651e44c, local_signal_index=1, argv=0x0)
    at /home/user/depot/qt/4.7/src/corelib/kernel/qobject.cpp:3278
#8  0xb64b0265 in QNetworkReply::finished (this=0x8232680) at .moc/debug-shared/moc_qnetworkreply.cpp:152
#9  0xb64b0121 in QNetworkReply::qt_metacall (this=0x8232680, _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0x8251b58)
    at .moc/debug-shared/moc_qnetworkreply.cpp:130
#10 0xb64134d0 in QFileNetworkReply::qt_metacall (this=0x8232680, _c=QMetaObject::InvokeMetaMethod, _id=9, _a=0x8251b58)
    at .moc/debug-shared/moc_qfilenetworkreply_p.cpp:64
#11 0xb6229bd2 in QMetaObject::metacall (object=0x8232680, cl=QMetaObject::InvokeMetaMethod, idx=9, argv=0x8251b58)
    at /home/user/depot/qt/4.7/src/corelib/kernel/qmetaobject.cpp:237
#12 0xb6238dc3 in QMetaCallEvent::placeMetaCall (this=0x8251b78, object=0x8232680) at /home/user/depot/qt/4.7/src/corelib/kernel/qobject.cpp:535
#13 0xb623ae69 in QObject::event (this=0x8232680, e=0x8251b78) at /home/user/depot/qt/4.7/src/corelib/kernel/qobject.cpp:1217
#14 0xb66d1964 in QApplicationPrivate::notify_helper (this=0x80be240, receiver=0x8232680, e=0x8251b78)
    at /home/user/depot/qt/4.7/src/gui/kernel/qapplication.cpp:4481
#15 0xb66cf1f2 in QApplication::notify (this=0xbffff3e4, receiver=0x8232680, e=0x8251b78) at /home/user/depot/qt/4.7/src/gui/kernel/qapplication.cpp:3881
#16 0xb6221c57 in QCoreApplication::notifyInternal (this=0xbffff3e4, receiver=0x8232680, event=0x8251b78)
    at /home/user/depot/qt/4.7/src/corelib/kernel/qcoreapplication.cpp:787
#17 0x0806ebaf in QCoreApplication::sendEvent (receiver=0x8232680, event=0x8251b78)
    at ../../include/QtCore/../../../../../depot/qt/4.7/src/corelib/kernel/qcoreapplication.h:215
#18 0xb6222d21 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x80bdba0)
    at /home/user/depot/qt/4.7/src/corelib/kernel/qcoreapplication.cpp:1428
#19 0xb62229d9 in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at /home/user/depot/qt/4.7/src/corelib/kernel/qcoreapplication.cpp:1321
#20 0xb67a2c4a in QCoreApplication::sendPostedEvents () at ../../include/QtCore/../../../../../depot/qt/4.7/src/corelib/kernel/qcoreapplication.h:220
#21 0xb625aba0 in postEventSourceDispatch (s=0x80c3d10) at /home/user/depot/qt/4.7/src/corelib/kernel/qeventdispatcher_glib.cpp:277
#22 0xb59e15e5 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#23 0xb59e52d8 in ?? () from /lib/libglib-2.0.so.0
#24 0xb59e54b8 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#25 0xb625bc18 in QEventDispatcherGlib::processEvents (this=0x80c19c0, flags=...)
    at /home/user/depot/qt/4.7/src/corelib/kernel/qeventdispatcher_glib.cpp:422
#26 0xb67af3c2 in QGuiEventDispatcherGlib::processEvents (this=0x80c19c0, flags=...)
    at /home/user/depot/qt/4.7/src/gui/kernel/qguieventdispatcher_glib.cpp:204
#27 0xb621f017 in QEventLoop::processEvents (this=0xbffff34c, flags=...) at /home/user/depot/qt/4.7/src/corelib/kernel/qeventloop.cpp:149
#28 0xb621f15c in QEventLoop::exec (this=0xbffff34c, flags=...) at /home/user/depot/qt/4.7/src/corelib/kernel/qeventloop.cpp:201
#29 0xb6222349 in QCoreApplication::exec () at /home/user/depot/qt/4.7/src/corelib/kernel/qcoreapplication.cpp:1064
#30 0xb66cee48 in QApplication::exec () at /home/user/depot/qt/4.7/src/gui/kernel/qapplication.cpp:3755
#31 0x080757a0 in main (argc=2, argv=0xbffff514) at /home/user/depot/qt/4.7/tools/qml/main.cpp:594