Details
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Bug
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Resolution: Unresolved
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P2: Important
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None
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5.14.2
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None
Description
We've been seeing odd errors while trying to stage https://codereview.qt-project.org/c/qt/qtdeclarative/+/275129. It seemed OK on my machine, but after trying several times with the debugger I reproduced the crash.
malloc(): unsorted double linked list corrupted
(really!?? but I googled and found https://stackoverflow.com/questions/18035080/malloc-crashes-saying-corrupted-double-linked-list )
The stack trace looks like this:
1 raise 0x7ffff5583f25 2 abort 0x7ffff556d897 3 __libc_message 0x7ffff55c7258 4 malloc_printerr 0x7ffff55ce77a 5 _int_malloc 0x7ffff55d190c 6 malloc 0x7ffff55d2fc9 7 QFiniteStack<QExplicitlySharedDataPointer<QQmlAbstractBinding>>::allocate qfinitestack_p.h 165 0x7ffff6a04ba4 8 QQmlObjectCreator::QQmlObjectCreator qqmlobjectcreator.cpp 90 0x7ffff69fac31 9 QQmlComponentPrivate::beginCreate qqmlcomponent.cpp 916 0x7ffff69740ad 10 QQmlComponent::beginCreate qqmlcomponent.cpp 869 0x7ffff6973dd6 11 QQmlComponent::createObject qqmlcomponent.cpp 1360 0x7ffff69754be 12 QQmlComponent::qt_static_metacall moc_qqmlcomponent.cpp 150 0x7ffff6976bc1 13 QQmlComponent::qt_metacall moc_qqmlcomponent.cpp 218 0x7ffff6976e75 14 QMetaObject::metacall qmetaobject.cpp 316 0x7ffff5f09599 15 QQmlObjectOrGadget::metacall qqmlobjectorgadget.cpp 51 0x7ffff69c04c0 16 QV4::QObjectMethod::callInternal qv4qobjectwrapper.cpp 2121 0x7ffff682aa16 17 QV4::QObjectMethod::virtualCall qv4qobjectwrapper.cpp 2064 0x7ffff682a4ec 18 QV4::FunctionObject::call qv4functionobject_p.h 202 0x7ffff6763af7 19 QV4::Moth::VME::interpret qv4vme_moth.cpp 754 0x7ffff68575c7 20 QV4::Moth::VME::exec qv4vme_moth.cpp 463 0x7ffff6853373 21 QV4::ArrowFunction::virtualCall qv4functionobject.cpp 528 0x7ffff67cd7b9 22 QV4::FunctionObject::call qv4functionobject_p.h 202 0x7ffff6763af7 23 QV4::Runtime::CallQmlContextPropertyLookup::call qv4runtime.cpp 1366 0x7ffff6877d90 24 QV4::Moth::VME::interpret qv4vme_moth.cpp 784 0x7ffff685822d 25 QV4::Moth::VME::exec qv4vme_moth.cpp 463 0x7ffff6853373 26 QV4::ArrowFunction::virtualCall qv4functionobject.cpp 528 0x7ffff67cd7b9 27 QV4::FunctionObject::call qv4functionobject_p.h 202 0x7ffff6763af7 28 QV4::Runtime::CallElement::call qv4runtime.cpp 1478 0x7ffff68788bb 29 QV4::Moth::VME::interpret qv4vme_moth.cpp 760 0x7ffff6857903 30 QV4::Moth::VME::exec qv4vme_moth.cpp 463 0x7ffff6853373 31 QV4::ArrowFunction::virtualCall qv4functionobject.cpp 528 0x7ffff67cd7b9 32 QV4::FunctionObject::call qv4functionobject_p.h 202 0x7ffff6763af7 33 QV4::Runtime::CallQmlContextPropertyLookup::call qv4runtime.cpp 1366 0x7ffff6877d90 34 QV4::Moth::VME::interpret qv4vme_moth.cpp 784 0x7ffff685822d 35 QV4::Moth::VME::exec qv4vme_moth.cpp 463 0x7ffff6853373 36 QV4::ArrowFunction::virtualCall qv4functionobject.cpp 528 0x7ffff67cd7b9 37 QV4::FunctionObject::call qv4functionobject_p.h 202 0x7ffff6763af7 38 QV4::Runtime::CallQmlContextPropertyLookup::call qv4runtime.cpp 1366 0x7ffff6877d90 39 QV4::Moth::VME::interpret qv4vme_moth.cpp 784 0x7ffff685822d 40 QV4::Moth::VME::exec qv4vme_moth.cpp 463 0x7ffff6853373 41 QV4::ArrowFunction::virtualCall qv4functionobject.cpp 528 0x7ffff67cd7b9 42 QV4::FunctionObject::call qv4functionobject_p.h 202 0x7ffff6763af7 43 QV4::Runtime::CallQmlContextPropertyLookup::call qv4runtime.cpp 1366 0x7ffff6877d90 44 QV4::Moth::VME::interpret qv4vme_moth.cpp 784 0x7ffff685822d 45 QV4::Moth::VME::exec qv4vme_moth.cpp 463 0x7ffff6853373 46 QV4::Function::call qv4function.cpp 69 0x7ffff67c9758 47 QQmlJavaScriptExpression::evaluate qqmljavascriptexpression.cpp 211 0x7ffff69dfe3a 48 QQmlBoundSignalExpression::evaluate qqmlboundsignal.cpp 223 0x7ffff69811a1 49 QQmlBoundSignal_callback qqmlboundsignal.cpp 356 0x7ffff69817fe 50 QQmlNotifier::emitNotify qqmlnotifier.cpp 104 0x7ffff69bfa06 51 QQmlData::signalEmitted qqmlengine.cpp 858 0x7ffff6956700 52 doActivate<false> qobject.cpp 3762 0x7ffff5f52738 53 QMetaObject::activate qobject.cpp 3943 0x7ffff5f4c6d1 54 QQmlVMEMetaObject::activate qqmlvmemetaobject.cpp 1212 0x7ffff6951faa 55 QQmlVMEMetaObject::metaCall qqmlvmemetaobject.cpp 782 0x7ffff694ffda 56 QQmlVMEMetaObject::metaCall qqmlvmemetaobject.cpp 945 0x7ffff6950b0e 57 QQmlVMEMetaObject::metaCall qqmlvmemetaobject.cpp 945 0x7ffff6950b0e 58 QMetaObject::metacall qmetaobject.cpp 314 0x7ffff5f09575 59 QQmlPropertyData::writeProperty qqmlpropertydata_p.h 290 0x7ffff697078c 60 GenericBinding<1>::doStore<bool> qqmlbinding.cpp 334 0x7ffff69edfb9 61 GenericBinding<1>::write qqmlbinding.cpp 295 0x7ffff69edfb9 62 QQmlNonbindingBinding::doUpdate qqmlbinding.cpp 250 0x7ffff69ea96d 63 QQmlBinding::update qqmlbinding.cpp 186 0x7ffff69e8685 64 QQmlBinding::expressionChanged qqmlbinding.cpp 532 0x7ffff69e96d5 65 QQmlJavaScriptExpressionGuard_callback qqmljavascriptexpression.cpp 417 0x7ffff69e0f39 66 QQmlNotifier::emitNotify qqmlnotifier.cpp 104 0x7ffff69bfa06 67 QQmlData::signalEmitted qqmlengine.cpp 858 0x7ffff6956700 68 doActivate<false> qobject.cpp 3762 0x7ffff5f52738 69 QMetaObject::activate qobject.cpp 3943 0x7ffff5f4c6d1 70 QQmlVMEMetaObject::activate qqmlvmemetaobject.cpp 1212 0x7ffff6951faa 71 QQmlVMEMetaObject::metaCall qqmlvmemetaobject.cpp 782 0x7ffff694ffda 72 QQmlVMEMetaObject::metaCall qqmlvmemetaobject.cpp 945 0x7ffff6950b0e 73 QQmlVMEMetaObject::metaCall qqmlvmemetaobject.cpp 945 0x7ffff6950b0e 74 QMetaObject::metacall qmetaobject.cpp 314 0x7ffff5f09575 75 QQmlPropertyData::writeProperty qqmlpropertydata_p.h 290 0x7ffff697078c 76 GenericBinding<1>::doStore<bool> qqmlbinding.cpp 334 0x7ffff69edfb9 77 GenericBinding<1>::write qqmlbinding.cpp 295 0x7ffff69edfb9 78 QQmlNonbindingBinding::doUpdate qqmlbinding.cpp 250 0x7ffff69ea96d 79 QQmlBinding::update qqmlbinding.cpp 186 0x7ffff69e8685 80 QQmlBinding::expressionChanged qqmlbinding.cpp 532 0x7ffff69e96d5 81 QQmlJavaScriptExpressionGuard_callback qqmljavascriptexpression.cpp 417 0x7ffff69e0f39 82 QQmlNotifier::emitNotify qqmlnotifier.cpp 104 0x7ffff69bfa06 83 QQmlData::signalEmitted qqmlengine.cpp 858 0x7ffff6956700 84 doActivate<false> qobject.cpp 3762 0x7ffff5f52738 85 QMetaObject::activate qobject.cpp 3930 0x7ffff5f4c65f 86 QTestRootObject::windowShownChanged quicktest.moc 203 0x7ffff7f95bfd 87 QTestRootObject::setWindowShown quicktest.cpp 165 0x7ffff7f9940d 88 <lambda()>::operator()(void) const quicktest.cpp 659 0x7ffff7f93902 89 QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, ... qobjectdefs_impl.h 146 0x7ffff7f95efa 90 QtPrivate::Functor<quick_test_main_with_setup(int, ...) qobjectdefs_impl.h 256 0x7ffff7f95ecc 91 QtPrivate::QFunctorSlotObject<quick_test_main_with_setup(int, ...) qobjectdefs_impl.h 439 0x7ffff7f95e9a 92 QtPrivate::QSlotObjectBase::call qobjectdefs_impl.h 394 0x7ffff5f11453 93 QMetaCallEvent::placeMetaCall qobject.cpp 619 0x7ffff5f44c95 94 QObject::event qobject.cpp 1339 0x7ffff5f45d81 95 QThread::event qthread.cpp 980 0x7ffff5c8f8ec 96 QCoreApplicationPrivate::notify_helper qcoreapplication.cpp 1236 0x7ffff5effa0c 97 doNotify qcoreapplication.cpp 1165 0x7ffff5eff61d 98 QCoreApplication::notify qcoreapplication.cpp 1151 0x7ffff5eff580 99 QGuiApplication::notify qguiapplication.cpp 1872 0x7ffff6e4ff21 100 QCoreApplication::notifyInternal2 qcoreapplication.cpp 1075 0x7ffff5eff4a1 101 QCoreApplication::sendEvent qcoreapplication.cpp 1470 0x7ffff5effeae 102 QCoreApplicationPrivate::sendPostedEvents qcoreapplication.cpp 1815 0x7ffff5f00ad0 103 QCoreApplication::sendPostedEvents qcoreapplication.cpp 1674 0x7ffff5f0041c 104 postEventSourceDispatch qeventdispatcher_glib.cpp 277 0x7ffff5f95626 105 g_main_context_dispatch 0x7ffff28cf39e 106 ?? 0x7ffff28d11b1 107 g_main_context_iteration 0x7ffff28d11f1 108 QEventDispatcherGlib::processEvents qeventdispatcher_glib.cpp 423 0x7ffff5f95d81 109 QXcbGlibEventDispatcher::processEvents qxcbeventdispatcher.cpp 143 0x7ffff1eccd2c 110 QEventLoop::processEvents qeventloop.cpp 138 0x7ffff5efbb8d 111 QEventLoop::exec qeventloop.cpp 225 0x7ffff5efbec7 112 quick_test_main_with_setup quicktest.cpp 667 0x7ffff7f95483 113 main tst_qquickcanvasitem.cpp 54 0x555555559c11
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