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[Bug 1291602] [NEW] com.ubuntu.developer.andrewsomething.stackbrowser_stackbrowser_0.2.2 causes qmlscene to segfault under Qt5.2

To: ubuntu-sdk-bugs@xxxxxxxxxxxxxxxxxxx
From: Ricardo Salveti <rsalveti@xxxxxxxxxxxx>
Date: Wed, 12 Mar 2014 20:46:38 -0000
Reply-to: Bug 1291602 <1291602@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Public bug reported:

Just install Qt5.2 and try opening
com.ubuntu.developer.andrewsomething.stackbrowser_stackbrowser_0.2.2,
that is enough to create the crash.

Stack trace:
Program terminated with signal SIGSEGV, Segmentation fault.
#0  engine (this=<optimized out>) at ../../include/QtQml/5.2.1/QtQml/private/../../../../../src/qml/jsruntime/qv4object_p.h:171
171	../../include/QtQml/5.2.1/QtQml/private/../../../../../src/qml/jsruntime/qv4object_p.h: No such file or directory.
(gdb) bt full
#0  engine (this=<optimized out>) at ../../include/QtQml/5.2.1/QtQml/private/../../../../../src/qml/jsruntime/qv4object_p.h:171
No locals.
#1  ListModel::set (this=this@entry=0x1ca0bd0, elementIndex=elementIndex@entry=0, object=object@entry=..., eng=eng@entry=0x15d7338) at types/qqmllistmodel.cpp:490
        e = <optimized out>
        propertyName = <optimized out>
        o = {ptr = 0x1ca0bd0}
        a = <optimized out>
        date = <optimized out>
        scope = {engine = 0x7fff8001, mark = 0xb5f9a6ed <__GI___libc_malloc+76>}
        it = {object = {ptr = 0xb1101a00}, current = {ptr = 0x0}, arrayNode = 0x0, arrayIndex = 0, memberIndex = 16, flags = 3053039089, tmpDynamicProperty = {{value = {{val = 2816055968, dbl = 1.3913165105550167e-314, {{uint_32 = 2816055968, int_32 = -1478911328, 
                      m = 0xa7d99aa0, o = 0xa7d99aa0, s = 0xa7d99aa0}, tag = 0}}}, {get = 0xa7d99aa0, set = 0x0}}}}
        propertyValue = <optimized out>
#2  0xb6cc87b0 in ListModel::append (this=this@entry=0x1ca0bd0, object=..., eng=eng@entry=0x15d7338) at types/qqmllistmodel.cpp:589
No locals.
#3  0xb6cc869e in ListModel::set (this=this@entry=0x16da7a8, elementIndex=elementIndex@entry=0, object=..., object@entry=..., eng=eng@entry=0x15d7338) at types/qqmllistmodel.cpp:523
        j = 0
        subModel = 0x1ca0bd0
        arrayLength = 2
        r = @0x1c9e528: {name = {static null = {<No data fields>}, d = 0x1afd1d8}, type = ListLayout::Role::List, blockIndex = 0, blockOffset = 0, index = 0, subLayout = 0x1ca1610}
        e = 0x1ca0b58
        propertyName = {ptr = 0xb11019f0}
        o = {ptr = 0xb1101a00}
        a = {ptr = 0xb1101a08}
        date = {ptr = 0xb1101a10}
        scope = {engine = 0x15d9d08, mark = 0xb11019e0}
        it = {object = {ptr = 0xb11019e0}, current = {ptr = 0xb11019e8}, arrayNode = 0x0, arrayIndex = 0, memberIndex = 1, flags = 3, tmpDynamicProperty = {{value = {{val = 9222386874436288512, dbl = nan(0xc800000000000), {{uint_32 = 0, int_32 = 0, m = 0x0, o = 0x0, 
                      s = 0x0}, tag = 2147254272}}}, {get = 0x0, set = 0x7ffc8000}}}}
        propertyValue = {ptr = 0xb11019f8}
#4  0xb6cc87b0 in ListModel::append (this=0x16da7a8, object=object@entry=..., eng=0x15d7338) at types/qqmllistmodel.cpp:589
No locals.
#5  0xb6cca9c4 in QQmlListModel::append (this=0x16dca40, args=0xbebc1310) at types/qqmllistmodel.cpp:2079
        index = <optimized out>
        scope = {engine = 0x15d9d08, mark = 0xb11019d0}
        argObject = {ptr = 0xb11019d0}
        objectArray = {ptr = 0xb11019d8}
#6  0xb6cd89e2 in QQmlListModel::qt_static_metacall (_o=_o@entry=0x16dca40, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=3, _a=_a@entry=0xbebc12e0) at .moc/moc_qqmllistmodel_p.cpp:123
        _t = 0x16dca40
#7  0xb6cd8b2a in QQmlListModel::qt_metacall (this=0x16dca40, _c=QMetaObject::InvokeMetaMethod, _id=3, _a=0xbebc12e0) at .moc/moc_qqmllistmodel_p.cpp:186
No locals.
#8  0xb6c10ea8 in QQmlVMEMetaObject::metaCall (this=0x16dcb18, c=<optimized out>, _id=34, a=<optimized out>) at qml/qqmlvmemetaobject.cpp:980
        id = 34
#9  0xb62da40c in QMetaObject::metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib/arm-linux-gnueabihf/libQt5Core.so.5
No symbol table info available.
#10 0xb6c001c6 in QV4::QObjectMethod::callInternal (this=<optimized out>, callData=0xb1101970) at jsruntime/qv4qobjectwrapper.cpp:1831
        rv = {ptr = 0xb11019c0}
        qmlGlobal = <optimized out>
        func = {callData = 0xb1101970, retVal = {ptr = 0xb11019c0}, ctx = 0x16dc8d0, e = 0x15d7338}
        funcptr = 0xbebc1310
        args = {0x0, 0xbebc12d0}
        v8Engine = 0x15d7338
        scope = {engine = 0x15d9d08, mark = 0xb11019c0}
        method = {<QQmlPropertyRawData> = {{propType = 43, propTypeName = 0x2b <error: Cannot access memory at address 0x2b>}, coreIndex = 34, {notifyIndex = 0, arguments = 0x0}, {{revision = 0, metaObjectOffset = 3, {{valueTypeFlags = 65534, valueTypePropType = 65535, 
                    valueTypeCoreIndex = 116}, {overrideIndexIsProperty = 0, overrideIndex = -1}}}, {accessors = 0x30000, accessorData = -2}}, flags = 4718912}, <No data fields>}
#11 0xb6bb2152 in call (callData=0xb1101970, this=<optimized out>) at jsruntime/qv4functionobject_p.h:133
No locals.
#12 QV4::__qmljs_call_activation_property (context=0xbebc144c, name=..., callData=...) at jsruntime/qv4runtime.cpp:889
        scope = {engine = 0x15d9d08, mark = 0xb11019b0}
        base = {ptr = 0xb11019b0}
        func = <optimized out>
#13 0xb0e4cf0e in ?? ()
No symbol table info available.
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

current build number: 234
device name: flo
channel: trusty-proposed
last update: 2014-03-12 17:14:48
version version: 234
version ubuntu: 20140312.1
version device: 20140304

** Affects: qtdeclarative-opensource-src (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: qt5.2

** Summary changed:

- com.ubuntu.developer.andrewsomething.stackbrowser_stackbrowser_0.2.2 caused qmlscene to segfault under Qt5.2
+ com.ubuntu.developer.andrewsomething.stackbrowser_stackbrowser_0.2.2 causes qmlscene to segfault under Qt5.2

-- 
You received this bug notification because you are a member of Ubuntu
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Ubuntu.
https://bugs.launchpad.net/bugs/1291602

Title:
  com.ubuntu.developer.andrewsomething.stackbrowser_stackbrowser_0.2.2
  causes qmlscene to segfault under Qt5.2

Status in “qtdeclarative-opensource-src” package in Ubuntu:
  New

Bug description:
  Just install Qt5.2 and try opening
  com.ubuntu.developer.andrewsomething.stackbrowser_stackbrowser_0.2.2,
  that is enough to create the crash.

  Stack trace:
  Program terminated with signal SIGSEGV, Segmentation fault.
  #0  engine (this=<optimized out>) at ../../include/QtQml/5.2.1/QtQml/private/../../../../../src/qml/jsruntime/qv4object_p.h:171
  171	../../include/QtQml/5.2.1/QtQml/private/../../../../../src/qml/jsruntime/qv4object_p.h: No such file or directory.
  (gdb) bt full
  #0  engine (this=<optimized out>) at ../../include/QtQml/5.2.1/QtQml/private/../../../../../src/qml/jsruntime/qv4object_p.h:171
  No locals.
  #1  ListModel::set (this=this@entry=0x1ca0bd0, elementIndex=elementIndex@entry=0, object=object@entry=..., eng=eng@entry=0x15d7338) at types/qqmllistmodel.cpp:490
          e = <optimized out>
          propertyName = <optimized out>
          o = {ptr = 0x1ca0bd0}
          a = <optimized out>
          date = <optimized out>
          scope = {engine = 0x7fff8001, mark = 0xb5f9a6ed <__GI___libc_malloc+76>}
          it = {object = {ptr = 0xb1101a00}, current = {ptr = 0x0}, arrayNode = 0x0, arrayIndex = 0, memberIndex = 16, flags = 3053039089, tmpDynamicProperty = {{value = {{val = 2816055968, dbl = 1.3913165105550167e-314, {{uint_32 = 2816055968, int_32 = -1478911328, 
                        m = 0xa7d99aa0, o = 0xa7d99aa0, s = 0xa7d99aa0}, tag = 0}}}, {get = 0xa7d99aa0, set = 0x0}}}}
          propertyValue = <optimized out>
  #2  0xb6cc87b0 in ListModel::append (this=this@entry=0x1ca0bd0, object=..., eng=eng@entry=0x15d7338) at types/qqmllistmodel.cpp:589
  No locals.
  #3  0xb6cc869e in ListModel::set (this=this@entry=0x16da7a8, elementIndex=elementIndex@entry=0, object=..., object@entry=..., eng=eng@entry=0x15d7338) at types/qqmllistmodel.cpp:523
          j = 0
          subModel = 0x1ca0bd0
          arrayLength = 2
          r = @0x1c9e528: {name = {static null = {<No data fields>}, d = 0x1afd1d8}, type = ListLayout::Role::List, blockIndex = 0, blockOffset = 0, index = 0, subLayout = 0x1ca1610}
          e = 0x1ca0b58
          propertyName = {ptr = 0xb11019f0}
          o = {ptr = 0xb1101a00}
          a = {ptr = 0xb1101a08}
          date = {ptr = 0xb1101a10}
          scope = {engine = 0x15d9d08, mark = 0xb11019e0}
          it = {object = {ptr = 0xb11019e0}, current = {ptr = 0xb11019e8}, arrayNode = 0x0, arrayIndex = 0, memberIndex = 1, flags = 3, tmpDynamicProperty = {{value = {{val = 9222386874436288512, dbl = nan(0xc800000000000), {{uint_32 = 0, int_32 = 0, m = 0x0, o = 0x0, 
                        s = 0x0}, tag = 2147254272}}}, {get = 0x0, set = 0x7ffc8000}}}}
          propertyValue = {ptr = 0xb11019f8}
  #4  0xb6cc87b0 in ListModel::append (this=0x16da7a8, object=object@entry=..., eng=0x15d7338) at types/qqmllistmodel.cpp:589
  No locals.
  #5  0xb6cca9c4 in QQmlListModel::append (this=0x16dca40, args=0xbebc1310) at types/qqmllistmodel.cpp:2079
          index = <optimized out>
          scope = {engine = 0x15d9d08, mark = 0xb11019d0}
          argObject = {ptr = 0xb11019d0}
          objectArray = {ptr = 0xb11019d8}
  #6  0xb6cd89e2 in QQmlListModel::qt_static_metacall (_o=_o@entry=0x16dca40, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=3, _a=_a@entry=0xbebc12e0) at .moc/moc_qqmllistmodel_p.cpp:123
          _t = 0x16dca40
  #7  0xb6cd8b2a in QQmlListModel::qt_metacall (this=0x16dca40, _c=QMetaObject::InvokeMetaMethod, _id=3, _a=0xbebc12e0) at .moc/moc_qqmllistmodel_p.cpp:186
  No locals.
  #8  0xb6c10ea8 in QQmlVMEMetaObject::metaCall (this=0x16dcb18, c=<optimized out>, _id=34, a=<optimized out>) at qml/qqmlvmemetaobject.cpp:980
          id = 34
  #9  0xb62da40c in QMetaObject::metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib/arm-linux-gnueabihf/libQt5Core.so.5
  No symbol table info available.
  #10 0xb6c001c6 in QV4::QObjectMethod::callInternal (this=<optimized out>, callData=0xb1101970) at jsruntime/qv4qobjectwrapper.cpp:1831
          rv = {ptr = 0xb11019c0}
          qmlGlobal = <optimized out>
          func = {callData = 0xb1101970, retVal = {ptr = 0xb11019c0}, ctx = 0x16dc8d0, e = 0x15d7338}
          funcptr = 0xbebc1310
          args = {0x0, 0xbebc12d0}
          v8Engine = 0x15d7338
          scope = {engine = 0x15d9d08, mark = 0xb11019c0}
          method = {<QQmlPropertyRawData> = {{propType = 43, propTypeName = 0x2b <error: Cannot access memory at address 0x2b>}, coreIndex = 34, {notifyIndex = 0, arguments = 0x0}, {{revision = 0, metaObjectOffset = 3, {{valueTypeFlags = 65534, valueTypePropType = 65535, 
                      valueTypeCoreIndex = 116}, {overrideIndexIsProperty = 0, overrideIndex = -1}}}, {accessors = 0x30000, accessorData = -2}}, flags = 4718912}, <No data fields>}
  #11 0xb6bb2152 in call (callData=0xb1101970, this=<optimized out>) at jsruntime/qv4functionobject_p.h:133
  No locals.
  #12 QV4::__qmljs_call_activation_property (context=0xbebc144c, name=..., callData=...) at jsruntime/qv4runtime.cpp:889
          scope = {engine = 0x15d9d08, mark = 0xb11019b0}
          base = {ptr = 0xb11019b0}
          func = <optimized out>
  #13 0xb0e4cf0e in ?? ()
  No symbol table info available.
  Backtrace stopped: previous frame identical to this frame (corrupt stack?)

  current build number: 234
  device name: flo
  channel: trusty-proposed
  last update: 2014-03-12 17:14:48
  version version: 234
  version ubuntu: 20140312.1
  version device: 20140304

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Follow ups

[Bug 1291602] Re: com.ubuntu.developer.andrewsomething.stackbrowser_stackbrowser_0.2.2 causes qmlscene to segfault under Qt5.2
From: Launchpad Bug Tracker, 2014-03-14
[Bug 1291602] [NEW] com.ubuntu.developer.andrewsomething.stackbrowser_stackbrowser_0.2.2 causes qmlscene to segfault under Qt5.2
From: Ricardo Salveti, 2014-03-12
References

[Bug 1291602] [NEW] com.ubuntu.developer.andrewsomething.stackbrowser_stackbrowser_0.2.2 causes qmlscene to segfault under Qt5.2
From: Ricardo Salveti, 2014-03-12