** Branch linked: lp:~zsombi/ubuntu-ui-toolkit/xenial_crash
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https://bugs.launchpad.net/bugs/1539558
Title:
segfault in tst_subtheming on xenial
Status in ubuntu-ui-toolkit package in Ubuntu:
In Progress
Bug description:
Program received signal SIGSEGV, Segmentation fault.
0x00007fdef2592280 in QV4::Value::operator= (v=<optimized out>,
this=0x7fded67ff0) at jsruntime/qv4value_p.h:390
390 jsruntime/qv4value_p.h: No such file or directory.
(gdb) bt
#0 0x00007fdef2592280 in QV4::Value::operator= (v=<optimized out>,
this=0x7fded67ff0) at jsruntime/qv4value_p.h:390
#1 QV4::ScopedProperty::ScopedProperty (scope=<synthetic pointer>,
this=<synthetic pointer>) at jsruntime/qv4scopedvalue_p.h:436
#2 QV4::Object::insertMember (attributes=..., v=..., s=0x2061440,
this=0x7fded67ff0d0) at jsruntime/qv4object_p.h:202
#3 QV4::Object::defineReadonlyProperty (this=0x7fded67ff0d0, name=0x2061440,
value=...) at jsruntime/qv4object.cpp:184
#4 0x00007fdef25a1fed in QV4::Heap::StringObject::StringObject
(this=<optimized out>, engine=0x2061140, val=...)
at jsruntime/qv4stringobject.cpp:91
#5 0x00007fdef2548e25 in QV4::MemoryManager::alloc<QV4::StringObject,
QV4::ExecutionEngine*, QV4::Value> (arg2=...,
arg1=0x2061140, this=<optimized out>) at jsruntime/qv4mm_p.h:126
#6 QV4::ExecutionEngine::newStringObject (this=0x2061140, value=...) at
jsruntime/qv4engine.cpp:557
#7 0x00007fdef25e474e in QV4::Runtime::callProperty (engine=0x2061140,
nameIndex=<optimized out>, callData=0x7fded67ff078)
at jsruntime/qv4runtime.cpp:969
#8 0x00007fdee891347b in ?? ()
#9 0x00007fded67ff070 in ?? ()
#10 0x00007fded67ff070 in ?? ()
#11 0x000000000284d930 in ?? ()
#12 0x00007fded67ff068 in ?? ()
#13 0x0000000002061140 in ?? ()
#14 0x00007fded67ff060 in ?? ()
#15 0x00007fded67ff058 in ?? ()
#16 0x00007fded67ff060 in ?? ()
#17 0x0000000002061140 in ?? ()
#18 0x00007fdef2584fba in QV4::SimpleScriptFunction::call (that=<optimized
out>, callData=<optimized out>)
at jsruntime/qv4functionobject.cpp:565
#19 0x00007fdef266e07f in QV4::Object::call (d=0x7fded67ff008,
this=<optimized out>)
at
../../include/QtQml/5.5.1/QtQml/private/../../../../../src/qml/jsruntime/qv4object_p.h:305
#20 QQmlJavaScriptExpression::evaluate (this=this@entry=0x229f5c0,
context=<optimized out>, function=...,
callData=callData@entry=0x7fded67ff008,
isUndefined=isUndefined@entry=0x7ffd919818ec) at
qml/qqmljavascriptexpression.cpp:158
#21 0x00007fdef266e5ad in QQmlJavaScriptExpression::evaluate
(this=this@entry=0x229f5c0, context=<optimized out>, function=...,
isUndefined=isUndefined@entry=0x7ffd919818ec) at
qml/qqmljavascriptexpression.cpp:116
#22 0x00007fdef267510c in QQmlBinding::update (this=0x229f5a0, flags=...) at
qml/qqmlbinding.cpp:194
#23 0x00007fdef267e6f6 in QQmlAbstractBinding::setEnabled (f=..., e=true,
this=0x229f5d8)
at
../../include/QtQml/5.5.1/QtQml/private/../../../../../src/qml/qml/qqmlabstractbinding_p.h:110
#24 QQmlObjectCreator::finalize (this=0x228dbd0, interrupt=...) at
qml/qqmlobjectcreator.cpp:1194
#25 0x00007fdef260911e in QQmlComponentPrivate::complete
(enginePriv=0x27f2b40, state=0x26a2060) at qml/qqmlcomponent.cpp:928
#26 0x00007fdef26091e7 in QQmlComponentPrivate::completeCreate
(this=0x26a1fc0) at qml/qqmlcomponent.cpp:964
#27 0x00007fdef31cc1e6 in UCStyledItemBasePrivate::loadStyleItem(bool) ()
from
/usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Components/libUbuntuComponents.so
#28 0x00007fdef31f15d6 in
UCAbstractButtonPrivate::completeComponentInitialization() ()
from
/usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Components/libUbuntuComponents.so
#29 0x00007fdef267e7c2 in QQmlObjectCreator::finalize (this=0x272c540,
interrupt=...) at qml/qqmlobjectcreator.cpp:1207
#30 0x00007fdef260911e in QQmlComponentPrivate::complete
(enginePriv=0x27f2b40, state=0x2058f00) at qml/qqmlcomponent.cpp:928
#31 0x00007fdef26091e7 in QQmlComponentPrivate::completeCreate
(this=0x2058e60) at qml/qqmlcomponent.cpp:964
#32 0x00007fdef2609050 in QQmlComponent::create (this=0x26d7f20,
context=0x1ff2490) at qml/qqmlcomponent.cpp:791
#33 0x00007fdef2f66c3d in QQuickView::continueExecute
(this=this@entry=0x1eceed0) at items/qquickview.cpp:476
#34 0x00007fdef2f6737d in QQuickViewPrivate::execute (this=0x22a0990) at
items/qquickview.cpp:124
#35 0x00007fdef353c5d2 in UbuntuTestCase::UbuntuTestCase(QString const&,
QQuickView::ResizeMode, bool, QWindow*) ()
from /usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Test/libUbuntuTest.so
#36 0x000000000040efca in ThemeTestCase::ThemeTestCase (parent=0x0,
assertOnFailure=true, file=..., this=0x1eceed0)
at tst_subtheming.cpp:36
#37 tst_Subtheming::test_default_theme_cleared_with_engine_bug1527546
(this=<optimized out>) at tst_subtheming.cpp:146
#38 0x00000000004086d5 in tst_Subtheming::qt_static_metacall
(_o=0x7ffd91982eb0, _id=<optimized out>, _a=<optimized out>,
_c=<optimized out>) at .moc/tst_subtheming.moc:350
#39 0x00007fdef21690aa in QMetaMethod::invoke
(this=this@entry=0x7ffd919825c8, object=object@entry=0x7ffd91982eb0,
connectionType=Qt::DirectConnection, connectionType@entry=2442667600,
returnValue=..., val0=..., val1=..., val2=..., val3=...,
val4=..., val5=..., val6=..., val7=..., val8=..., val9=...) at
kernel/qmetaobject.cpp:2212
#40 0x00007fdef216e7fd in QMetaObject::invokeMethod (obj=0x7ffd91982eb0,
member=member@entry=0x1ecf040
"test_default_theme_cleared_with_engine_bug1527546", type=2442667600,
type@entry=Qt::DirectConnection, ret=..., val0=..., val1=..., val2=...,
val3=..., val4=..., val5=..., val6=..., val7=...,
val8=..., val9=...) at kernel/qmetaobject.cpp:1479
#41 0x00007fdef34f508c in QMetaObject::invokeMethod (val9=..., val8=...,
val7=..., val6=..., val5=..., val4=..., val3=...,
val2=..., val1=..., val0=..., type=Qt::DirectConnection, member=0x1ecf040
"test_default_theme_cleared_with_engine_bug1527546",
obj=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs.h:409
#42 QTest::qInvokeTestMethodDataEntry (slot=0x1ecf040
"test_default_theme_cleared_with_engine_bug1527546") at qtestcase.cpp:1953
#43 QTest::qInvokeTestMethod (slotName=0x1ec9998
"test_default_theme_cleared_with_engine_bug1527546()", data=data@entry=0x0)
at qtestcase.cpp:2082
#44 0x00007fdef34f5bb8 in QTest::qInvokeTestMethods
(testObject=0x7ffd91982eb0) at qtestcase.cpp:2390
#45 QTest::qExec (testObject=testObject@entry=0x7ffd91982eb0, argc=<optimized
out>, argv=argv@entry=0x7ffd91982fd8)
at qtestcase.cpp:2652
#46 0x000000000040744b in main (argc=1, argv=0x7ffd91982fd8) at
tst_subtheming.cpp:887
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