Details
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Bug
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Resolution: Incomplete
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Not Evaluated
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None
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5.11.1
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None
Description
Within a QML application, in a custom control backed by a ListView, we randomly get a read access violation when clicking on it. This is happening since we updated to qt 5.11.1; we cannot reproduce with 5.9.3.
We're using qt with msvc2015, x64.
Following is the backtrace of the crash:
Qt5Qmld.dll!QV4::Chunk::testBit(unsigned __int64 * bitmap, unsigned __int64 index) Line 142 C++ Qt5Qmld.dll!QV4::Heap::Base::inUse() Line 124 C++ Qt5Qmld.dll!QV4::Managed::inUse() Line 218 C++ Qt5Qmld.dll!QV4::MemoryManager::collectFromJSStack(QV4::MarkStack * markStack) Line 1228 C++ Qt5Qmld.dll!QV4::MemoryManager::collectRoots(QV4::MarkStack * markStack) Line 927 C++ Qt5Qmld.dll!QV4::MemoryManager::mark() Line 970 C++ Qt5Qmld.dll!QV4::MemoryManager::runGC() Line 1078 C++ Qt5Qmld.dll!QV4::MemoryManager::allocData(unsigned __int64 size) Line 850 C++ Qt5Qmld.dll!QV4::MemoryManager::allocObjectWithMemberData(const QV4::VTable * vtable, unsigned int nMembers) Line 865 C++ Qt5Qmld.dll!QV4::MemoryManager::allocateObject<QV4::Object>(QV4::InternalClass * ic) Line 190 C++ Qt5Qmld.dll!QV4::MemoryManager::allocObject<QV4::Object>(QV4::InternalClass * ic, QV4::Object * prototype) Line 233 C++ Qt5Qmld.dll!QV4::ExecutionEngine::newObject(QV4::InternalClass * internalClass, QV4::Object * prototype) Line 545 C++ Qt5Qmld.dll!QV4::Runtime::method_objectLiteral(QV4::ExecutionEngine * engine, const QV4::Value * args, int classId, int arrayValueCount, int arrayGetterSetterCountAndFlags) Line 1221 C++ 00000185f5de040e() Unknown 00000185eab138a0() Unknown 00000185ed7e17d0() Unknown 0000018500000005() Unknown 0000018500000000() Unknown 0000002700000000() Unknown Qt5Qmld.dll!QV4::ExecutionEngine::debugger() Line 387 C++ Qt5Qmld.dll!QV4::Moth::VME::exec(const QV4::FunctionObject * fo, const QV4::Value * thisObject, const QV4::Value * argv, int argc) Line 574 C++ Qt5Qmld.dll!QV4::Moth::VME::exec(QV4::Function * v4Function, const QV4::Value * thisObject, const QV4::Value * argv, int argc, const QV4::ExecutionContext * context) Line 73 C++ Qt5Qmld.dll!QV4::Function::call(const QV4::Value * thisObject, const QV4::Value * argv, int argc, const QV4::ExecutionContext * context) Line 73 C++ Qt5Qmld.dll!QQmlJavaScriptExpression::evaluate(QV4::CallData * callData, bool * isUndefined) Line 217 C++ Qt5Qmld.dll!QQmlBinding::evaluate(bool * isUndefined) Line 209 C++ Qt5Qmld.dll!QQmlNonbindingBinding::doUpdate(const QQmlJavaScriptExpression::DeleteWatcher & watcher, QFlags<enum QQmlPropertyData::WriteFlag> flags, QV4::Scope & scope) Line 245 C++ Qt5Qmld.dll!QQmlBinding::update(QFlags<enum QQmlPropertyData::WriteFlag> flags) Line 187 C++ Qt5Qmld.dll!QQmlBinding::setEnabled(bool e, QFlags<enum QQmlPropertyData::WriteFlag> flags) Line 549 C++ Qt5Qmld.dll!QQmlData::flushPendingBindingImpl(QQmlPropertyIndex index) Line 936 C++ Qt5Qmld.dll!QQmlData::flushPendingBinding(QObject * o, QQmlPropertyIndex propertyIndex) Line 421 C++ Qt5Qmld.dll!QV4::QObjectWrapper::getProperty(QV4::ExecutionEngine * engine, QObject * object, QQmlPropertyData * property, bool captureRequired) Line 232 C++ Qt5Qmld.dll!QV4::QObjectWrapper::getProperty(QV4::ExecutionEngine * engine, QObject * object, int propertyIndex, bool captureRequired) Line 348 C++ Qt5Qmld.dll!QV4::Runtime::method_loadQmlScopeObjectProperty(QV4::ExecutionEngine * engine, const QV4::Value & context, int propertyIndex, bool captureRequired) Line 1289 C++ 00000185f5dd0086() Unknown 00000185eab138a0() Unknown 00000185ed7e16b0() Unknown 000000270000002f() Unknown Qt5Qmld.dll!QTypedArrayData<QQmlPropertyData>::deallocate(QArrayData * data) Line 238 C++ Qt5Qmld.dll!QV4::Moth::VME::exec(const QV4::FunctionObject * fo, const QV4::Value * thisObject, const QV4::Value * argv, int argc) Line 574 C++ Qt5Qmld.dll!QV4::Moth::VME::exec(QV4::Function * v4Function, const QV4::Value * thisObject, const QV4::Value * argv, int argc, const QV4::ExecutionContext * context) Line 73 C++ Qt5Qmld.dll!QV4::Function::call(const QV4::Value * thisObject, const QV4::Value * argv, int argc, const QV4::ExecutionContext * context) Line 73 C++ Qt5Qmld.dll!QQmlJavaScriptExpression::evaluate(QV4::CallData * callData, bool * isUndefined) Line 217 C++ Qt5Qmld.dll!QQmlBinding::evaluate(bool * isUndefined) Line 209 C++ Qt5Qmld.dll!QQmlNonbindingBinding::doUpdate(const QQmlJavaScriptExpression::DeleteWatcher & watcher, QFlags<enum QQmlPropertyData::WriteFlag> flags, QV4::Scope & scope) Line 245 C++ Qt5Qmld.dll!QQmlBinding::update(QFlags<enum QQmlPropertyData::WriteFlag> flags) Line 187 C++ Qt5Qmld.dll!QQmlBinding::setEnabled(bool e, QFlags<enum QQmlPropertyData::WriteFlag> flags) Line 549 C++ Qt5Qmld.dll!QQmlData::flushPendingBindingImpl(QQmlPropertyIndex index) Line 936 C++ Qt5Qmld.dll!QQmlData::flushPendingBinding(QObject * o, QQmlPropertyIndex propertyIndex) Line 421 C++ Qt5Qmld.dll!QV4::QObjectWrapper::getProperty(QV4::ExecutionEngine * engine, QObject * object, QQmlPropertyData * property, bool captureRequired) Line 232 C++ Qt5Qmld.dll!QV4::QObjectWrapper::getQmlProperty(QV4::ExecutionEngine * engine, QQmlContextData * qmlContext, QObject * object, QV4::String * name, QV4::QObjectWrapper::RevisionMode revisionMode, bool * hasProperty) Line 382 C++ Qt5Qmld.dll!QV4::QQmlContextWrapper::get(const QV4::Managed * m, QV4::String * name, bool * hasProperty) Line 211 C++ Qt5Qmld.dll!QV4::Object::get(QV4::String * name, bool * hasProperty) Line 364 C++ Qt5Qmld.dll!QV4::ExecutionContext::getProperty(QV4::String * name) Line 292 C++ Qt5Qmld.dll!QV4::Runtime::method_loadName(QV4::ExecutionEngine * engine, int nameIndex) Line 745 C++ 00000185f5db0d2a() Unknown 00000185eab138a0() Unknown 00007fff0000000e() Unknown 000000275351dfa0() Unknown Qt5Qmld.dll!QV4::ExecutionEngine::debugger() Line 387 C++ Qt5Qmld.dll!QV4::Moth::VME::exec(const QV4::FunctionObject * fo, const QV4::Value * thisObject, const QV4::Value * argv, int argc) Line 574 C++ Qt5Qmld.dll!QV4::Moth::VME::exec(QV4::Function * v4Function, const QV4::Value * thisObject, const QV4::Value * argv, int argc, const QV4::ExecutionContext * context) Line 73 C++ Qt5Qmld.dll!QV4::Function::call(const QV4::Value * thisObject, const QV4::Value * argv, int argc, const QV4::ExecutionContext * context) Line 73 C++ Qt5Qmld.dll!QQmlJavaScriptExpression::evaluate(QV4::CallData * callData, bool * isUndefined) Line 217 C++ Qt5Qmld.dll!QQmlBinding::evaluate(bool * isUndefined) Line 209 C++ Qt5Qmld.dll!QQmlNonbindingBinding::doUpdate(const QQmlJavaScriptExpression::DeleteWatcher & watcher, QFlags<enum QQmlPropertyData::WriteFlag> flags, QV4::Scope & scope) Line 245 C++ Qt5Qmld.dll!QQmlBinding::update(QFlags<enum QQmlPropertyData::WriteFlag> flags) Line 187 C++ Qt5Qmld.dll!QQmlBinding::setEnabled(bool e, QFlags<enum QQmlPropertyData::WriteFlag> flags) Line 549 C++ Qt5Qmld.dll!QQmlObjectCreator::finalize(QQmlInstantiationInterrupt & interrupt) Line 1348 C++ Qt5Qmld.dll!QQmlComponentPrivate::complete(QQmlEnginePrivate * enginePriv, QQmlComponentPrivate::ConstructionState * state) Line 926 C++ Qt5Qmld.dll!QQmlComponentPrivate::completeCreate() Line 962 C++ Qt5Qmld.dll!QQmlComponent::completeCreate() Line 953 C++ Qt5Quickd.dll!QQuickItemLayer::activateEffect() Line 8240 C++ Qt5Quickd.dll!QQuickItemLayer::activate() Line 8192 C++ Qt5Quickd.dll!QQuickItemLayer::setEnabled(bool e) Line 8144 C++ Qt5Quickd.dll!QQuickItemLayer::qt_static_metacall(QObject * _o, QMetaObject::Call _c, int _id, void * * _a) Line 295 C++ Qt5Qmld.dll!QQmlPropertyData::writeProperty(QObject * target, void * value, QFlags<enum QQmlPropertyData::WriteFlag> flags) Line 346 C++ Qt5Qmld.dll!GenericBinding<1>::doStore<bool>(bool value, const QQmlPropertyData * pd, QFlags<enum QQmlPropertyData::WriteFlag> flags) Line 335 C++ Qt5Qmld.dll!GenericBinding<1>::write(const QV4::Value & result, bool isUndefined, QFlags<enum QQmlPropertyData::WriteFlag> flags) Line 296 C++ Qt5Qmld.dll!QQmlNonbindingBinding::doUpdate(const QQmlJavaScriptExpression::DeleteWatcher & watcher, QFlags<enum QQmlPropertyData::WriteFlag> flags, QV4::Scope & scope) Line 249 C++ Qt5Qmld.dll!QQmlBinding::update(QFlags<enum QQmlPropertyData::WriteFlag> flags) Line 187 C++ Qt5Qmld.dll!QQmlBinding::expressionChanged() Line 528 C++ Qt5Qmld.dll!QQmlJavaScriptExpressionGuard_callback(QQmlNotifierEndpoint * e, void * * __formal) Line 485 C++ Qt5Qmld.dll!QQmlNotifier::emitNotify(QQmlNotifierEndpoint * endpoint, void * * a) Line 108 C++ Qt5Qmld.dll!QQmlData::signalEmitted(QAbstractDeclarativeData * __formal, QObject * object, int index, void * * a) Line 863 C++ Qt5Cored.dll!QMetaObject::activate(QObject * sender, int signalOffset, int local_signal_index, void * * argv) Line 3654 C++ Qt5Cored.dll!QMetaObject::activate(QObject * sender, const QMetaObject * m, int local_signal_index, void * * argv) Line 3634 C++ Qt5Quickd.dll!QQuickItem::enabledChanged() Line 1130 C++ Qt5Quickd.dll!QQuickItemPrivate::setEffectiveEnableRecur(QQuickItem * scope, bool newEffectiveEnable) Line 5997 C++ Qt5Quickd.dll!QQuickItem::setEnabled(bool e) Line 5901 C++ Qt5Quickd.dll!QQuickItem::qt_static_metacall(QObject * _o, QMetaObject::Call _c, int _id, void * * _a) Line 943 C++ Qt5Quickd.dll!QQuickItem::qt_metacall(QMetaObject::Call _c, int _id, void * * _a) Line 1014 C++ Qt5QuickTemplates2d.dll!QQuickControl::qt_metacall(QMetaObject::Call _c, int _id, void * * _a) Line 526 C++ Qt5QuickTemplates2d.dll!QQuickAbstractButton::qt_metacall(QMetaObject::Call _c, int _id, void * * _a) Line 535 C++ Qt5QuickTemplates2d.dll!QQuickButton::qt_metacall(QMetaObject::Call _c, int _id, void * * _a) Line 152 C++ Qt5QuickTemplates2d.dll!QQuickRoundButton::qt_metacall(QMetaObject::Call _c, int _id, void * * _a) Line 142 C++ Qt5Cored.dll!QMetaObject::metacall(QObject * object, QMetaObject::Call cl, int idx, void * * argv) Line 302 C++ Qt5Qmld.dll!QQmlPropertyData::writeProperty(QObject * target, void * value, QFlags<enum QQmlPropertyData::WriteFlag> flags) Line 351 C++ Qt5Qmld.dll!QQmlPropertyPrivate::write(QObject * object, const QQmlPropertyData & property, const QVariant & value, QQmlContextData * context, QFlags<enum QQmlPropertyData::WriteFlag> flags) Line 1219 C++ Qt5Qmld.dll!QQmlPropertyPrivate::writeValueProperty(QObject * object, const QQmlPropertyData & core, const QQmlPropertyData & valueTypeData, const QVariant & value, QQmlContextData * context, QFlags<enum QQmlPropertyData::WriteFlag> flags) Line 1187 C++ Qt5Qmld.dll!QQmlPropertyPrivate::writeValueProperty(const QVariant & value, QFlags<enum QQmlPropertyData::WriteFlag> flags) Line 1167 C++ Qt5Qmld.dll!QQmlPropertyPrivate::write(const QQmlProperty & that, const QVariant & value, QFlags<enum QQmlPropertyData::WriteFlag> flags) Line 1516 C++ Qt5Qmld.dll!QQmlProperty::write(const QVariant & value) Line 1433 C++ Qt5Quickd.dll!QQuickTransitionManager::transition(const QList<QQuickStateAction> & list, QQuickTransition * transition, QObject * defaultTarget) Line 251 C++ Qt5Quickd.dll!QQuickState::apply(QQuickTransition * trans, QQuickState * revert) Line 690 C++ Qt5Quickd.dll!QQuickStateGroupPrivate::setCurrentStateInternal(const QString & state, bool ignoreTrans) Line 487 C++ Qt5Quickd.dll!QQuickStateGroup::setState(const QString & state) Line 292 C++ Qt5Quickd.dll!QQuickItemPrivate::setState(const QString & state) Line 4896 C++ Qt5Quickd.dll!QQuickItem::setState(const QString & state) Line 4930 C++ Qt5Quickd.dll!QQuickItem::qt_static_metacall(QObject * _o, QMetaObject::Call _c, int _id, void * * _a) Line 945 C++ Qt5Quickd.dll!QQuickItem::qt_metacall(QMetaObject::Call _c, int _id, void * * _a) Line 1014 C++ Qt5QuickTemplates2d.dll!QQuickControl::qt_metacall(QMetaObject::Call _c, int _id, void * * _a) Line 526 C++ Qt5QuickTemplates2d.dll!QQuickPane::qt_metacall(QMetaObject::Call _c, int _id, void * * _a) Line 188 C++ Qt5Qmld.dll!QQmlVMEMetaObject::metaCall(QObject * o, QMetaObject::Call c, int _id, void * * a) Line 982 C++ Qt5Cored.dll!QMetaObject::metacall(QObject * object, QMetaObject::Call cl, int idx, void * * argv) Line 299 C++ Qt5Qmld.dll!QV4::QObjectWrapper::setProperty(QV4::ExecutionEngine * engine, QObject * object, QQmlPropertyData * property, const QV4::Value & value) Line 537 C++ Qt5Qmld.dll!QV4::QObjectWrapper::setProperty(QV4::ExecutionEngine * engine, QObject * object, int propertyIndex, const QV4::Value & value) Line 662 C++ Qt5Qmld.dll!QV4::Runtime::method_storeQmlScopeObjectProperty(QV4::ExecutionEngine * engine, const QV4::Value & context, int propertyIndex, const QV4::Value & value) Line 1315 C++ 0000018582650b7f() Unknown 00000185eab138a0() Unknown 00000185ed7e1518() Unknown 0000018500000010() Unknown 00000185ed7e14f8() Unknown 00000185eab138a0() Unknown 00000027535248d8() Unknown 00000185ed7e1460() Unknown