[Digikam-devel] [Bug 232628] New: 1.2.0: crash on startup in RatingWidget

[Will Stephenson]

https://bugs.kde.org/show_bug.cgi?id=232628

           Summary: 1.2.0: crash on startup in RatingWidget
           Product: digikam
           Version: unspecified
          Platform: Compiled Sources
        OS/Version: unspecified
            Status: NEW
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: digikam-devel at kde.org
        ReportedBy: wstephenson at kde.org


Version:            (using Devel)
Installed from:    Compiled sources

Crashes just after displaying the album contents on startup.  1.2.0 on KDE
4.4.2.

Backtrace follows

==2493== Thread 1:
==2493== Invalid read of size 8
==2493==    at 0xA2D9401: QTimeLine::stop() (qtimeline.h:139)
==2493==    by 0x6DD13B: Digikam::RatingWidget::setFadingValue(int)
(ratingwidget.cpp:170)
==2493==    by 0x6BB034: Digikam::ImageRatingOverlay::slotEntered(QModelIndex
const&) (imageratingoverlay.cpp:126)
==2493==    by 0x76255F5:
Digikam::AbstractWidgetDelegateOverlay::qt_metacall(QMetaObject::Call, int,
void**) (imagedelegateoverlay.moc:151)
==2493==    by 0x6BB66F:
Digikam::ImageRatingOverlay::qt_metacall(QMetaObject::Call, int, void**)
(imageratingoverlay.moc:74)
==2493==    by 0xA38D78E: QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (qobject.cpp:3293)
==2493==    by 0x9581A74: QAbstractItemView::entered(QModelIndex const&) (in
/usr/lib64/libQtGui.so.4.6.2)
==2493==    by 0x6A851A: Digikam::ImageCategorizedView::slotDelayedEnter()
(imagecategorizedview.cpp:408)
==2493==    by 0x6AA28B:
Digikam::ImageCategorizedView::qt_metacall(QMetaObject::Call, int, void**)
(imagecategorizedview.moc:107)
==2493==    by 0x692E8F:
Digikam::DigikamImageView::qt_metacall(QMetaObject::Call, int, void**)
(digikamimageview.moc:113)
==2493==    by 0xA38D78E: QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (qobject.cpp:3293)
==2493==    by 0xA38A3E2: QObject::event(QEvent*) (qobject.cpp:1212)
==2493==  Address 0x8 is not stack'd, malloc'd or (recently) free'd
==2493== 
KCrash: Application 'digikam' crashing...


Thread 1 (Thread 0x7f9e61f4c860 (LWP 1373)):
[KCrash Handler]
#5  d_func (this=<value optimized out>) at tools/qtimeline.h:139
#6  QTimeLine::stop (this=<value optimized out>) at tools/qtimeline.cpp:723
#7  0x00000000006dd13c in Digikam::RatingWidget::setFadingValue (this=0xe3fc30,
value=255) at /usr/src/debug/digikam-1.2.0/digikam/ratingwidget.cpp:170
#8  0x00000000006bb035 in Digikam::ImageRatingOverlay::slotEntered
(this=0xe3f320, index=...) at
/usr/src/debug/digikam-1.2.0/digikam/imageratingoverlay.cpp:126
#9  0x00007f9e5f4a15f6 in Digikam::AbstractWidgetDelegateOverlay::qt_metacall
(this=0xe3f320, _c=InvokeMetaMethod, _id=<value optimized out>,
_a=0x7fffd3407730)
    at /usr/src/debug/digikam-1.2.0/build/digikam/imagedelegateoverlay.moc:151
#10 0x00000000006bb670 in Digikam::ImageRatingOverlay::qt_metacall (this=0x0,
_c=255, _id=14764688, _a=0xfffffffffff6938a) at
/usr/src/debug/digikam-1.2.0/build/digikam/imageratingoverlay.moc:74
#11 0x00007f9e5c6c678f in QMetaObject::activate (sender=0xd32470, m=<value
optimized out>, local_signal_index=<value optimized out>,
argv=0xfffffffffff6938a) at kernel/qobject.cpp:3293
#12 0x00007f9e5d773a75 in QAbstractItemView::entered(QModelIndex const&) ()
from /usr/lib64/libQtGui.so.4
#13 0x00007f9e5d777f28 in ?? () from /usr/lib64/libQtGui.so.4
#14 0x00007f9e5d77f158 in QAbstractItemView::mouseMoveEvent(QMouseEvent*) ()
from /usr/lib64/libQtGui.so.4
#15 0x00007f9e5d796ce1 in QListView::mouseMoveEvent(QMouseEvent*) () from
/usr/lib64/libQtGui.so.4
#16 0x00007f9e5f4ac73c in KCategorizedView::mouseMoveEvent (this=0x0,
event=0xff) at
/usr/src/debug/digikam-1.2.0/libs/widgets/common/kcategorizedview.cpp:1121
#17 0x00007f9e5f480098 in Digikam::DCategorizedView::mouseMoveEvent
(this=0xd32470, event=0x7fffd3408970) at
/usr/src/debug/digikam-1.2.0/libs/widgets/common/dcategorizedview.cpp:597
#18 0x00007f9e5d2afdcf in QWidget::event(QEvent*) () from
/usr/lib64/libQtGui.so.4
#19 0x00007f9e5d6545b6 in QFrame::event(QEvent*) () from
/usr/lib64/libQtGui.so.4
#20 0x00007f9e5d783a6b in QAbstractItemView::viewportEvent(QEvent*) () from
/usr/lib64/libQtGui.so.4
#21 0x00007f9e5f482d0f in Digikam::DCategorizedView::viewportEvent
(this=0xd32470, event=0x7fffd3408970) at
/usr/src/debug/digikam-1.2.0/libs/widgets/common/dcategorizedview.cpp:704
#22 0x00007f9e5c6b2d97 in
QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized
out>, receiver=0xdd6af0, event=0x7fffd3408970) at
kernel/qcoreapplication.cpp:819
#23 0x00007f9e5d259dec in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib64/libQtGui.so.4
#24 0x00007f9e5d260bdb in QApplication::notify(QObject*, QEvent*) () from
/usr/lib64/libQtGui.so.4
#25 0x00007f9e5deed456 in KApplication::notify(QObject*, QEvent*) () from
/usr/lib64/libkdeui.so.5
#26 0x00007f9e5c6b398c in QCoreApplication::notifyInternal
(this=0x7fffd3409690, receiver=0xdd6af0, event=0x7fffd3408970) at
kernel/qcoreapplication.cpp:704
#27 0x00007f9e5d25fdb6 in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from
/usr/lib64/libQtGui.so.4
#28 0x00007f9e5d2df765 in ?? () from /usr/lib64/libQtGui.so.4
#29 0x00007f9e5d2de47a in QApplication::x11ProcessEvent(_XEvent*) () from
/usr/lib64/libQtGui.so.4
#30 0x00007f9e5d308932 in ?? () from /usr/lib64/libQtGui.so.4
#31 0x00007f9e5576adee in g_main_context_dispatch () from
/usr/lib64/libglib-2.0.so.0
#32 0x00007f9e5576e7b8 in ?? () from /usr/lib64/libglib-2.0.so.0
#33 0x00007f9e5576e8e0 in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#34 0x00007f9e5c6dceb3 in QEventDispatcherGlib::processEvents (this=0xab6500,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#35 0x00007f9e5d30851e in ?? () from /usr/lib64/libQtGui.so.4
#36 0x00007f9e5c6b22a2 in QEventLoop::processEvents (this=<value optimized
out>, flags=) at kernel/qeventloop.cpp:149
#37 0x00007f9e5c6b267c in QEventLoop::exec (this=0x7fffd34095c0, flags=) at
kernel/qeventloop.cpp:201
#38 0x00007f9e5c6b63cb in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:981
#39 0x000000000077d34b in main (argc=<value optimized out>, argv=<value
optimized out>) at /usr/src/debug/digikam-1.2.0/digikam/main.cpp:193

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