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List: kfm-devel
Subject: Re: Double object deletion in KHTMLPart dtor
From: Andras Mantia <amantia () freemail ! hu>
Date: 2003-12-09 16:14:28
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Dirk Mueller wrote:
> On Tuesday 09 December 2003 16:42, Andras Mantia wrote:
>
> > in the documentation and close Quanta. valgrind reports:
>
> can you please rerun with --num-callers=42 so that the backtraces are at
> least somehow usable?
I'm not a valgrind guru, so I didn't know about that. Here is the new result
(as you seen not all of the kdelibs is compiled with debug info,
but it should be traceable). Looks like the KFind object is already deleted when
the KHTMLView is destroyed. Hm, d->m_find is created with:
d->m_find = new KFind( d->m_findDialog->pattern(), 0 /*options*/, widget(), \
d->m_findDialog );
Is widget() here a KHTMLView? If so, it's clear why we don't need the delete in the
KHTMLPart dtor.
==13548==
==13548== Invalid read of size 4
==13548== at 0x4056B48F: KHTMLPart::~KHTMLPart() \
(/development/sources/kde-head/kdelibs/khtml/khtml_part.cpp:409) ==13548== by \
0x8117F50: WHTMLPart::~WHTMLPart() \
(/home/andris/development/quanta/quanta-be/quanta/widgets/whtmlpart.cpp:44) ==13548== \
by 0x4092D239: KParts::Part::slotWidgetDestroyed() (in \
/opt/kde-cvs/lib/libkparts.so.2.1.0) ==13548== by 0x4092F838: \
KParts::Part::qt_invoke(int, QUObject*) (in /opt/kde-cvs/lib/libkparts.so.2.1.0) \
==13548== by 0x4092FBD7: KParts::ReadOnlyPart::qt_invoke(int, QUObject*) (in \
/opt/kde-cvs/lib/libkparts.so.2.1.0) ==13548== by 0x405889BB: \
KHTMLPart::qt_invoke(int, QUObject*) (khtml_part.moc:531) ==13548== by 0x8117A24: \
WHTMLPart::qt_invoke(int, QUObject*) (whtmlpart.moc:118) ==13548== by 0x41580619: \
QObject::activate_signal(QConnectionList*, QUObject*) (kernel/qobject.cpp:2357) \
==13548== by 0x4158036B: QObject::activate_signal(int) (kernel/qobject.cpp:2302) \
==13548== by 0x418C1CF7: QObject::destroyed() \
(.moc/debug-shared-mt/moc_qobject.cpp:102) ==13548== by 0x4157D09E: \
QObject::~QObject() (kernel/qobject.cpp:446) ==13548== by 0x415B19E3: \
QWidget::~QWidget() (kernel/qwidget.cpp:932) ==13548== by 0x80C0D13: \
QFrame::~QFrame() (/opt/kde3/include/kdockwidget.h:115) ==13548== by 0x4169F5DB: \
QScrollView::~QScrollView() (widgets/qscrollview.cpp:634) ==13548== by 0x4055521B: \
KHTMLView::~KHTMLView() (in /opt/kde-cvs/lib/libkhtml.so.4.2.0) ==13548== by \
0x415B1929: QWidget::~QWidget() (kernel/qwidget.cpp:922) ==13548== by 0x80C0D13: \
QFrame::~QFrame() (/opt/kde3/include/kdockwidget.h:115) ==13548== by 0x416CFC7D: \
QWidgetStack::~QWidgetStack() (widgets/qwidgetstack.cpp:178) ==13548== by \
0x415B1929: QWidget::~QWidget() (kernel/qwidget.cpp:922) ==13548== by 0x40F13E6D: \
KDockWidget::~KDockWidget() (in /opt/kde-cvs/lib/libkdeui.so.4.2.0) ==13548== by \
0x40F173FB: KDockManager::~KDockManager() (in /opt/kde-cvs/lib/libkdeui.so.4.2.0) \
==13548== by 0x40F1087D: KDockMainWindow::~KDockMainWindow() (in \
/opt/kde-cvs/lib/libkdeui.so.4.2.0) ==13548== by 0x808FB0D: \
QuantaApp::~QuantaApp() \
(/home/andris/development/quanta/quanta-be/quanta/quanta_init.cpp:167) ==13548== \
by 0x4157DFDB: QObject::event(QEvent*) (kernel/qobject.cpp:750) ==13548== by \
0x415B7AB4: QWidget::event(QEvent*) (kernel/qwidget.cpp:4408) ==13548== by \
0x4167E4E0: QMainWindow::event(QEvent*) (widgets/qmainwindow.cpp:1669) ==13548== \
by 0x4151D70A: QApplication::internalNotify(QObject*, QEvent*) \
(kernel/qapplication.cpp:2582) ==13548== by 0x4151D33A: \
QApplication::notify(QObject*, QEvent*) (kernel/qapplication.cpp:2470) ==13548== \
by 0x4109555A: KApplication::notify(QObject*, QEvent*) (in \
/opt/kde-cvs/lib/libkdecore.so.4.2.0) ==13548== by 0x414B478E: \
QApplication::sendEvent(QObject*, QEvent*) (kernel/qapplication.h:492) ==13548== \
by 0x4151E5F7: QApplication::sendPostedEvents(QObject*, int) \
(kernel/qapplication.cpp:3204) ==13548== by 0x415332B1: QEventLoop::enterLoop() \
(kernel/qeventloop.cpp:213) ==13548== by 0x41533101: QEventLoop::exec() \
(kernel/qeventloop.cpp:145) ==13548== by 0x4151D88A: QApplication::exec() \
(kernel/qapplication.cpp:2705) ==13548== by 0x80B0CA4: main \
(/home/andris/development/quanta/quanta-be/quanta/main.cpp:169) ==13548== by \
0x41D968AD: __libc_start_main (in /lib/libc.so.6) ==13548== by 0x8086B80: (within \
/development/build/kde-head/quanta-be/quanta/quanta_be) ==13548== Address \
0x47F21DC8 is 0 bytes inside a block of size 80 free'd ==13548== at 0x40028C2D: \
__builtin_delete (vg_replace_malloc.c:233) ==13548== by 0x40028C4B: operator \
delete(void*) (vg_replace_malloc.c:242) ==13548== by 0x40982730: KFind::~KFind() \
(/development/sources/kde-head/kdelibs/kutils/kfind.cpp:99) ==13548== by \
0x415B1929: QWidget::~QWidget() (kernel/qwidget.cpp:922) ==13548== by 0x80C0D13: \
QFrame::~QFrame() (/opt/kde3/include/kdockwidget.h:115) ==13548== by 0x4169F5DB: \
QScrollView::~QScrollView() (widgets/qscrollview.cpp:634) ==13548== by 0x4055521B: \
KHTMLView::~KHTMLView() (in /opt/kde-cvs/lib/libkhtml.so.4.2.0) ==13548== by \
0x415B1929: QWidget::~QWidget() (kernel/qwidget.cpp:922) ==13548== by 0x80C0D13: \
QFrame::~QFrame() (/opt/kde3/include/kdockwidget.h:115) ==13548== by 0x416CFC7D: \
QWidgetStack::~QWidgetStack() (widgets/qwidgetstack.cpp:178) ==13548== by \
0x415B1929: QWidget::~QWidget() (kernel/qwidget.cpp:922) ==13548== by 0x40F13E6D: \
KDockWidget::~KDockWidget() (in /opt/kde-cvs/lib/libkdeui.so.4.2.0) ==13548== by \
0x40F173FB: KDockManager::~KDockManager() (in /opt/kde-cvs/lib/libkdeui.so.4.2.0) \
==13548== by 0x40F1087D: KDockMainWindow::~KDockMainWindow() (in \
/opt/kde-cvs/lib/libkdeui.so.4.2.0) ==13548== by 0x808FB0D: \
QuantaApp::~QuantaApp() \
(/home/andris/development/quanta/quanta-be/quanta/quanta_init.cpp:167) ==13548== \
by 0x4157DFDB: QObject::event(QEvent*) (kernel/qobject.cpp:750) ==13548== by \
0x415B7AB4: QWidget::event(QEvent*) (kernel/qwidget.cpp:4408) ==13548== by \
0x4167E4E0: QMainWindow::event(QEvent*) (widgets/qmainwindow.cpp:1669) ==13548== \
by 0x4151D70A: QApplication::internalNotify(QObject*, QEvent*) \
(kernel/qapplication.cpp:2582) ==13548== by 0x4151D33A: \
QApplication::notify(QObject*, QEvent*) (kernel/qapplication.cpp:2470) ==13548== \
by 0x4109555A: KApplication::notify(QObject*, QEvent*) (in \
/opt/kde-cvs/lib/libkdecore.so.4.2.0) ==13548== by 0x414B478E: \
QApplication::sendEvent(QObject*, QEvent*) (kernel/qapplication.h:492) ==13548== \
by 0x4151E5F7: QApplication::sendPostedEvents(QObject*, int) \
(kernel/qapplication.cpp:3204) ==13548== by 0x415332B1: QEventLoop::enterLoop() \
(kernel/qeventloop.cpp:213) ==13548== by 0x41533101: QEventLoop::exec() \
(kernel/qeventloop.cpp:145) ==13548== by 0x4151D88A: QApplication::exec() \
(kernel/qapplication.cpp:2705) ==13548== by 0x80B0CA4: main \
(/home/andris/development/quanta/quanta-be/quanta/main.cpp:169) ==13548== by \
0x41D968AD: __libc_start_main (in /lib/libc.so.6) ==13548== by 0x8086B80: (within \
/development/build/kde-head/quanta-be/quanta/quanta_be) ==13548==
==13548== Invalid write of size 4
==13548== at 0x4157D7FB: QObject::~QObject() (kernel/qobject.cpp:436)
==13548== by 0x4056B4A3: KHTMLPart::~KHTMLPart() \
(/development/sources/kde-head/kdelibs/khtml/khtml_part.cpp:409) ==13548== by \
0x8117F50: WHTMLPart::~WHTMLPart() \
(/home/andris/development/quanta/quanta-be/quanta/widgets/whtmlpart.cpp:44) ==13548== \
by 0x4092D239: KParts::Part::slotWidgetDestroyed() (in \
/opt/kde-cvs/lib/libkparts.so.2.1.0) ==13548== by 0x4092F838: \
KParts::Part::qt_invoke(int, QUObject*) (in /opt/kde-cvs/lib/libkparts.so.2.1.0) \
==13548== by 0x4092FBD7: KParts::ReadOnlyPart::qt_invoke(int, QUObject*) (in \
/opt/kde-cvs/lib/libkparts.so.2.1.0) ==13548== by 0x405889BB: \
KHTMLPart::qt_invoke(int, QUObject*) (khtml_part.moc:531) ==13548== by 0x8117A24: \
WHTMLPart::qt_invoke(int, QUObject*) (whtmlpart.moc:118) ==13548== by 0x41580619: \
QObject::activate_signal(QConnectionList*, QUObject*) (kernel/qobject.cpp:2357) \
==13548== by 0x4158036B: QObject::activate_signal(int) (kernel/qobject.cpp:2302) \
==13548== by 0x418C1CF7: QObject::destroyed() \
(.moc/debug-shared-mt/moc_qobject.cpp:102) ==13548== by 0x4157D09E: \
QObject::~QObject() (kernel/qobject.cpp:446) ==13548== by 0x415B19E3: \
QWidget::~QWidget() (kernel/qwidget.cpp:932) ==13548== by 0x80C0D13: \
QFrame::~QFrame() (/opt/kde3/include/kdockwidget.h:115) ==13548== by 0x4169F5DB: \
QScrollView::~QScrollView() (widgets/qscrollview.cpp:634) ==13548== by 0x4055521B: \
KHTMLView::~KHTMLView() (in /opt/kde-cvs/lib/libkhtml.so.4.2.0) ==13548== by \
0x415B1929: QWidget::~QWidget() (kernel/qwidget.cpp:922) ==13548== by 0x80C0D13: \
QFrame::~QFrame() (/opt/kde3/include/kdockwidget.h:115) ==13548== by 0x416CFC7D: \
QWidgetStack::~QWidgetStack() (widgets/qwidgetstack.cpp:178) ==13548== by \
0x415B1929: QWidget::~QWidget() (kernel/qwidget.cpp:922) ==13548== by 0x40F13E6D: \
KDockWidget::~KDockWidget() (in /opt/kde-cvs/lib/libkdeui.so.4.2.0) ==13548== by \
0x40F173FB: KDockManager::~KDockManager() (in /opt/kde-cvs/lib/libkdeui.so.4.2.0) \
==13548== by 0x40F1087D: KDockMainWindow::~KDockMainWindow() (in \
/opt/kde-cvs/lib/libkdeui.so.4.2.0) ==13548== by 0x808FB0D: \
QuantaApp::~QuantaApp() \
(/home/andris/development/quanta/quanta-be/quanta/quanta_init.cpp:167) ==13548== \
by 0x4157DFDB: QObject::event(QEvent*) (kernel/qobject.cpp:750) ==13548== by \
0x415B7AB4: QWidget::event(QEvent*) (kernel/qwidget.cpp:4408) ==13548== by \
0x4167E4E0: QMainWindow::event(QEvent*) (widgets/qmainwindow.cpp:1669) ==13548== \
by 0x4151D70A: QApplication::internalNotify(QObject*, QEvent*) \
(kernel/qapplication.cpp:2582) ==13548== by 0x4151D33A: \
QApplication::notify(QObject*, QEvent*) (kernel/qapplication.cpp:2470) ==13548== \
by 0x4109555A: KApplication::notify(QObject*, QEvent*) (in \
/opt/kde-cvs/lib/libkdecore.so.4.2.0) ==13548== by 0x414B478E: \
QApplication::sendEvent(QObject*, QEvent*) (kernel/qapplication.h:492) ==13548== \
by 0x4151E5F7: QApplication::sendPostedEvents(QObject*, int) \
(kernel/qapplication.cpp:3204) ==13548== by 0x415332B1: QEventLoop::enterLoop() \
(kernel/qeventloop.cpp:213) ==13548== by 0x41533101: QEventLoop::exec() \
(kernel/qeventloop.cpp:145) ==13548== by 0x4151D88A: QApplication::exec() \
(kernel/qapplication.cpp:2705) ==13548== by 0x80B0CA4: main \
(/home/andris/development/quanta/quanta-be/quanta/main.cpp:169) ==13548== by \
0x41D968AD: __libc_start_main (in /lib/libc.so.6) ==13548== by 0x8086B80: (within \
/development/build/kde-head/quanta-be/quanta/quanta_be) ==13548== Address \
0x47F21DC8 is 0 bytes inside a block of size 80 free'd ==13548== at 0x40028C2D: \
__builtin_delete (vg_replace_malloc.c:233) ==13548== by 0x40028C4B: operator \
delete(void*) (vg_replace_malloc.c:242) ==13548== by 0x40982730: KFind::~KFind() \
(/development/sources/kde-head/kdelibs/kutils/kfind.cpp:99) ==13548== by \
0x415B1929: QWidget::~QWidget() (kernel/qwidget.cpp:922) ==13548== by 0x80C0D13: \
QFrame::~QFrame() (/opt/kde3/include/kdockwidget.h:115) ==13548== by 0x4169F5DB: \
QScrollView::~QScrollView() (widgets/qscrollview.cpp:634) ==13548== by 0x4055521B: \
KHTMLView::~KHTMLView() (in /opt/kde-cvs/lib/libkhtml.so.4.2.0) ==13548== by \
0x415B1929: QWidget::~QWidget() (kernel/qwidget.cpp:922) ==13548== by 0x80C0D13: \
QFrame::~QFrame() (/opt/kde3/include/kdockwidget.h:115) ==13548== by 0x416CFC7D: \
QWidgetStack::~QWidgetStack() (widgets/qwidgetstack.cpp:178) ==13548== by \
0x415B1929: QWidget::~QWidget() (kernel/qwidget.cpp:922) ==13548== by 0x40F13E6D: \
KDockWidget::~KDockWidget() (in /opt/kde-cvs/lib/libkdeui.so.4.2.0) ==13548== by \
0x40F173FB: KDockManager::~KDockManager() (in /opt/kde-cvs/lib/libkdeui.so.4.2.0) \
==13548== by 0x40F1087D: KDockMainWindow::~KDockMainWindow() (in \
/opt/kde-cvs/lib/libkdeui.so.4.2.0) ==13548== by 0x808FB0D: \
QuantaApp::~QuantaApp() \
(/home/andris/development/quanta/quanta-be/quanta/quanta_init.cpp:167) ==13548== \
by 0x4157DFDB: QObject::event(QEvent*) (kernel/qobject.cpp:750) ==13548== by \
0x415B7AB4: QWidget::event(QEvent*) (kernel/qwidget.cpp:4408) ==13548== by \
0x4167E4E0: QMainWindow::event(QEvent*) (widgets/qmainwindow.cpp:1669) ==13548== \
by 0x4151D70A: QApplication::internalNotify(QObject*, QEvent*) \
(kernel/qapplication.cpp:2582) ==13548== by 0x4151D33A: \
QApplication::notify(QObject*, QEvent*) (kernel/qapplication.cpp:2470) ==13548== \
by 0x4109555A: KApplication::notify(QObject*, QEvent*) (in \
/opt/kde-cvs/lib/libkdecore.so.4.2.0) ==13548== by 0x414B478E: \
QApplication::sendEvent(QObject*, QEvent*) (kernel/qapplication.h:492) ==13548== \
by 0x4151E5F7: QApplication::sendPostedEvents(QObject*, int) \
(kernel/qapplication.cpp:3204) ==13548== by 0x415332B1: QEventLoop::enterLoop() \
(kernel/qeventloop.cpp:213) ==13548== by 0x41533101: QEventLoop::exec() \
(kernel/qeventloop.cpp:145) ==13548== by 0x4151D88A: QApplication::exec() \
(kernel/qapplication.cpp:2705) ==13548== by 0x80B0CA4: main \
(/home/andris/development/quanta/quanta-be/quanta/main.cpp:169) ==13548== by \
0x41D968AD: __libc_start_main (in /lib/libc.so.6) ==13548== by 0x8086B80: (within \
/development/build/kde-head/quanta-be/quanta/quanta_be) ==13548==
==13548== Invalid read of size 1
==13548== at 0x4157D800: QObject::~QObject() (kernel/qobject.cpp:437)
==13548== by 0x4056B4A3: KHTMLPart::~KHTMLPart() \
(/development/sources/kde-head/kdelibs/khtml/khtml_part.cpp:409) ==13548== by \
0x8117F50: WHTMLPart::~WHTMLPart() \
(/home/andris/development/quanta/quanta-be/quanta/widgets/whtmlpart.cpp:44) ==13548== \
by 0x4092D239: KParts::Part::slotWidgetDestroyed() (in \
/opt/kde-cvs/lib/libkparts.so.2.1.0) ==13548== by 0x4092F838: \
KParts::Part::qt_invoke(int, QUObject*) (in /opt/kde-cvs/lib/libkparts.so.2.1.0) \
==13548== by 0x4092FBD7: KParts::ReadOnlyPart::qt_invoke(int, QUObject*) (in \
/opt/kde-cvs/lib/libkparts.so.2.1.0) ==13548== by 0x405889BB: \
KHTMLPart::qt_invoke(int, QUObject*) (khtml_part.moc:531) ==13548== by 0x8117A24: \
WHTMLPart::qt_invoke(int, QUObject*) (whtmlpart.moc:118) ==13548== by 0x41580619: \
QObject::activate_signal(QConnectionList*, QUObject*) (kernel/qobject.cpp:2357) \
==13548== by 0x4158036B: QObject::activate_signal(int) (kernel/qobject.cpp:2302) \
==13548== by 0x418C1CF7: QObject::destroyed() \
(.moc/debug-shared-mt/moc_qobject.cpp:102) ==13548== by 0x4157D09E: \
QObject::~QObject() (kernel/qobject.cpp:446) ==13548== by 0x415B19E3: \
QWidget::~QWidget() (kernel/qwidget.cpp:932) ==13548== by 0x80C0D13: \
QFrame::~QFrame() (/opt/kde3/include/kdockwidget.h:115) ==13548== by 0x4169F5DB: \
QScrollView::~QScrollView() (widgets/qscrollview.cpp:634) ==13548== by 0x4055521B: \
KHTMLView::~KHTMLView() (in /opt/kde-cvs/lib/libkhtml.so.4.2.0) ==13548== by \
0x415B1929: QWidget::~QWidget() (kernel/qwidget.cpp:922) ==13548== by 0x80C0D13: \
QFrame::~QFrame() (/opt/kde3/include/kdockwidget.h:115) ==13548== by 0x416CFC7D: \
QWidgetStack::~QWidgetStack() (widgets/qwidgetstack.cpp:178) ==13548== by \
0x415B1929: QWidget::~QWidget() (kernel/qwidget.cpp:922) ==13548== by 0x40F13E6D: \
KDockWidget::~KDockWidget() (in /opt/kde-cvs/lib/libkdeui.so.4.2.0) ==13548== by \
0x40F173FB: KDockManager::~KDockManager() (in /opt/kde-cvs/lib/libkdeui.so.4.2.0) \
==13548== by 0x40F1087D: KDockMainWindow::~KDockMainWindow() (in \
/opt/kde-cvs/lib/libkdeui.so.4.2.0) ==13548== by 0x808FB0D: \
QuantaApp::~QuantaApp() \
(/home/andris/development/quanta/quanta-be/quanta/quanta_init.cpp:167) ==13548== \
by 0x4157DFDB: QObject::event(QEvent*) (kernel/qobject.cpp:750) ==13548== by \
0x415B7AB4: QWidget::event(QEvent*) (kernel/qwidget.cpp:4408) ==13548== by \
0x4167E4E0: QMainWindow::event(QEvent*) (widgets/qmainwindow.cpp:1669) ==13548== \
by 0x4151D70A: QApplication::internalNotify(QObject*, QEvent*) \
(kernel/qapplication.cpp:2582) ==13548== by 0x4151D33A: \
QApplication::notify(QObject*, QEvent*) (kernel/qapplication.cpp:2470) ==13548== \
by 0x4109555A: KApplication::notify(QObject*, QEvent*) (in \
/opt/kde-cvs/lib/libkdecore.so.4.2.0) ==13548== by 0x414B478E: \
QApplication::sendEvent(QObject*, QEvent*) (kernel/qapplication.h:492) ==13548== \
by 0x4151E5F7: QApplication::sendPostedEvents(QObject*, int) \
(kernel/qapplication.cpp:3204) ==13548== by 0x415332B1: QEventLoop::enterLoop() \
(kernel/qeventloop.cpp:213) ==13548== by 0x41533101: QEventLoop::exec() \
(kernel/qeventloop.cpp:145) ==13548== by 0x4151D88A: QApplication::exec() \
(kernel/qapplication.cpp:2705) ==13548== by 0x80B0CA4: main \
(/home/andris/development/quanta/quanta-be/quanta/main.cpp:169) ==13548== by \
0x41D968AD: __libc_start_main (in /lib/libc.so.6) ==13548== by 0x8086B80: (within \
/development/build/kde-head/quanta-be/quanta/quanta_be) ==13548== Address \
0x47F21DCC is 4 bytes inside a block of size 80 free'd ==13548== at 0x40028C2D: \
__builtin_delete (vg_replace_malloc.c:233) ==13548== by 0x40028C4B: operator \
delete(void*) (vg_replace_malloc.c:242) ==13548== by 0x40982730: KFind::~KFind() \
(/development/sources/kde-head/kdelibs/kutils/kfind.cpp:99) ==13548== by \
0x415B1929: QWidget::~QWidget() (kernel/qwidget.cpp:922) ==13548== by 0x80C0D13: \
QFrame::~QFrame() (/opt/kde3/include/kdockwidget.h:115) ==13548== by 0x4169F5DB: \
QScrollView::~QScrollView() (widgets/qscrollview.cpp:634) ==13548== by 0x4055521B: \
KHTMLView::~KHTMLView() (in /opt/kde-cvs/lib/libkhtml.so.4.2.0) ==13548== by \
0x415B1929: QWidget::~QWidget() (kernel/qwidget.cpp:922) ==13548== by 0x80C0D13: \
QFrame::~QFrame() (/opt/kde3/include/kdockwidget.h:115) ==13548== by 0x416CFC7D: \
QWidgetStack::~QWidgetStack() (widgets/qwidgetstack.cpp:178) ==13548== by \
0x415B1929: QWidget::~QWidget() (kernel/qwidget.cpp:922) ==13548== by 0x40F13E6D: \
KDockWidget::~KDockWidget() (in /opt/kde-cvs/lib/libkdeui.so.4.2.0) ==13548== by \
0x40F173FB: KDockManager::~KDockManager() (in /opt/kde-cvs/lib/libkdeui.so.4.2.0) \
==13548== by 0x40F1087D: KDockMainWindow::~KDockMainWindow() (in \
/opt/kde-cvs/lib/libkdeui.so.4.2.0) ==13548== by 0x808FB0D: \
QuantaApp::~QuantaApp() \
(/home/andris/development/quanta/quanta-be/quanta/quanta_init.cpp:167) ==13548== \
by 0x4157DFDB: QObject::event(QEvent*) (kernel/qobject.cpp:750) ==13548== by \
0x415B7AB4: QWidget::event(QEvent*) (kernel/qwidget.cpp:4408) ==13548== by \
0x4167E4E0: QMainWindow::event(QEvent*) (widgets/qmainwindow.cpp:1669) ==13548== \
by 0x4151D70A: QApplication::internalNotify(QObject*, QEvent*) \
(kernel/qapplication.cpp:2582) ==13548== by 0x4151D33A: \
QApplication::notify(QObject*, QEvent*) (kernel/qapplication.cpp:2470) ==13548== \
by 0x4109555A: KApplication::notify(QObject*, QEvent*) (in \
/opt/kde-cvs/lib/libkdecore.so.4.2.0) ==13548== by 0x414B478E: \
QApplication::sendEvent(QObject*, QEvent*) (kernel/qapplication.h:492) ==13548== \
by 0x4151E5F7: QApplication::sendPostedEvents(QObject*, int) \
(kernel/qapplication.cpp:3204) ==13548== by 0x415332B1: QEventLoop::enterLoop() \
(kernel/qeventloop.cpp:213) ==13548== by 0x41533101: QEventLoop::exec() \
(kernel/qeventloop.cpp:145) ==13548== by 0x4151D88A: QApplication::exec() \
(kernel/qapplication.cpp:2705) ==13548== by 0x80B0CA4: main \
(/home/andris/development/quanta/quanta-be/quanta/main.cpp:169) ==13548== by \
0x41D968AD: __libc_start_main (in /lib/libc.so.6) ==13548== by 0x8086B80: (within \
/development/build/kde-head/quanta-be/quanta/quanta_be) Double QObject deletion \
detected. ==13548==
==13548== Invalid free() / delete / delete[]
==13548== at 0x40028C2D: __builtin_delete (vg_replace_malloc.c:233)
==13548== by 0x40028C4B: operator delete(void*) (vg_replace_malloc.c:242)
==13548== by 0x4157DBA9: QObject::~QObject() (kernel/qobject.cpp:503)
==13548== by 0x4056B4A3: KHTMLPart::~KHTMLPart() \
(/development/sources/kde-head/kdelibs/khtml/khtml_part.cpp:409) ==13548== by \
0x8117F50: WHTMLPart::~WHTMLPart() \
(/home/andris/development/quanta/quanta-be/quanta/widgets/whtmlpart.cpp:44) ==13548== \
by 0x4092D239: KParts::Part::slotWidgetDestroyed() (in \
/opt/kde-cvs/lib/libkparts.so.2.1.0) ==13548== by 0x4092F838: \
KParts::Part::qt_invoke(int, QUObject*) (in /opt/kde-cvs/lib/libkparts.so.2.1.0) \
==13548== by 0x4092FBD7: KParts::ReadOnlyPart::qt_invoke(int, QUObject*) (in \
/opt/kde-cvs/lib/libkparts.so.2.1.0) ==13548== by 0x405889BB: \
KHTMLPart::qt_invoke(int, QUObject*) (khtml_part.moc:531) ==13548== by 0x8117A24: \
WHTMLPart::qt_invoke(int, QUObject*) (whtmlpart.moc:118) ==13548== by 0x41580619: \
QObject::activate_signal(QConnectionList*, QUObject*) (kernel/qobject.cpp:2357) \
==13548== by 0x4158036B: QObject::activate_signal(int) (kernel/qobject.cpp:2302) \
==13548== by 0x418C1CF7: QObject::destroyed() \
(.moc/debug-shared-mt/moc_qobject.cpp:102) ==13548== by 0x4157D09E: \
QObject::~QObject() (kernel/qobject.cpp:446) ==13548== by 0x415B19E3: \
QWidget::~QWidget() (kernel/qwidget.cpp:932) ==13548== by 0x80C0D13: \
QFrame::~QFrame() (/opt/kde3/include/kdockwidget.h:115) ==13548== by 0x4169F5DB: \
QScrollView::~QScrollView() (widgets/qscrollview.cpp:634) ==13548== by 0x4055521B: \
KHTMLView::~KHTMLView() (in /opt/kde-cvs/lib/libkhtml.so.4.2.0) ==13548== by \
0x415B1929: QWidget::~QWidget() (kernel/qwidget.cpp:922) ==13548== by 0x80C0D13: \
QFrame::~QFrame() (/opt/kde3/include/kdockwidget.h:115) ==13548== by 0x416CFC7D: \
QWidgetStack::~QWidgetStack() (widgets/qwidgetstack.cpp:178) ==13548== by \
0x415B1929: QWidget::~QWidget() (kernel/qwidget.cpp:922) ==13548== by 0x40F13E6D: \
KDockWidget::~KDockWidget() (in /opt/kde-cvs/lib/libkdeui.so.4.2.0) ==13548== by \
0x40F173FB: KDockManager::~KDockManager() (in /opt/kde-cvs/lib/libkdeui.so.4.2.0) \
==13548== by 0x40F1087D: KDockMainWindow::~KDockMainWindow() (in \
/opt/kde-cvs/lib/libkdeui.so.4.2.0) ==13548== by 0x808FB0D: \
QuantaApp::~QuantaApp() \
(/home/andris/development/quanta/quanta-be/quanta/quanta_init.cpp:167) ==13548== \
by 0x4157DFDB: QObject::event(QEvent*) (kernel/qobject.cpp:750) ==13548== by \
0x415B7AB4: QWidget::event(QEvent*) (kernel/qwidget.cpp:4408) ==13548== by \
0x4167E4E0: QMainWindow::event(QEvent*) (widgets/qmainwindow.cpp:1669) ==13548== \
by 0x4151D70A: QApplication::internalNotify(QObject*, QEvent*) \
(kernel/qapplication.cpp:2582) ==13548== by 0x4151D33A: \
QApplication::notify(QObject*, QEvent*) (kernel/qapplication.cpp:2470) ==13548== \
by 0x4109555A: KApplication::notify(QObject*, QEvent*) (in \
/opt/kde-cvs/lib/libkdecore.so.4.2.0) ==13548== by 0x414B478E: \
QApplication::sendEvent(QObject*, QEvent*) (kernel/qapplication.h:492) ==13548== \
by 0x4151E5F7: QApplication::sendPostedEvents(QObject*, int) \
(kernel/qapplication.cpp:3204) ==13548== by 0x415332B1: QEventLoop::enterLoop() \
(kernel/qeventloop.cpp:213) ==13548== by 0x41533101: QEventLoop::exec() \
(kernel/qeventloop.cpp:145) ==13548== by 0x4151D88A: QApplication::exec() \
(kernel/qapplication.cpp:2705) ==13548== by 0x80B0CA4: main \
(/home/andris/development/quanta/quanta-be/quanta/main.cpp:169) ==13548== by \
0x41D968AD: __libc_start_main (in /lib/libc.so.6) ==13548== by 0x8086B80: (within \
/development/build/kde-head/quanta-be/quanta/quanta_be) ==13548== Address \
0x47F21DC8 is 0 bytes inside a block of size 80 free'd ==13548== at 0x40028C2D: \
__builtin_delete (vg_replace_malloc.c:233) ==13548== by 0x40028C4B: operator \
delete(void*) (vg_replace_malloc.c:242) ==13548== by 0x40982730: KFind::~KFind() \
(/development/sources/kde-head/kdelibs/kutils/kfind.cpp:99) ==13548== by \
0x415B1929: QWidget::~QWidget() (kernel/qwidget.cpp:922) ==13548== by 0x80C0D13: \
QFrame::~QFrame() (/opt/kde3/include/kdockwidget.h:115) ==13548== by 0x4169F5DB: \
QScrollView::~QScrollView() (widgets/qscrollview.cpp:634) ==13548== by 0x4055521B: \
KHTMLView::~KHTMLView() (in /opt/kde-cvs/lib/libkhtml.so.4.2.0) ==13548== by \
0x415B1929: QWidget::~QWidget() (kernel/qwidget.cpp:922) ==13548== by 0x80C0D13: \
QFrame::~QFrame() (/opt/kde3/include/kdockwidget.h:115) ==13548== by 0x416CFC7D: \
QWidgetStack::~QWidgetStack() (widgets/qwidgetstack.cpp:178) ==13548== by \
0x415B1929: QWidget::~QWidget() (kernel/qwidget.cpp:922) ==13548== by 0x40F13E6D: \
KDockWidget::~KDockWidget() (in /opt/kde-cvs/lib/libkdeui.so.4.2.0) ==13548== by \
0x40F173FB: KDockManager::~KDockManager() (in /opt/kde-cvs/lib/libkdeui.so.4.2.0) \
==13548== by 0x40F1087D: KDockMainWindow::~KDockMainWindow() (in \
/opt/kde-cvs/lib/libkdeui.so.4.2.0) ==13548== by 0x808FB0D: \
QuantaApp::~QuantaApp() \
(/home/andris/development/quanta/quanta-be/quanta/quanta_init.cpp:167) ==13548== \
by 0x4157DFDB: QObject::event(QEvent*) (kernel/qobject.cpp:750) ==13548== by \
0x415B7AB4: QWidget::event(QEvent*) (kernel/qwidget.cpp:4408) ==13548== by \
0x4167E4E0: QMainWindow::event(QEvent*) (widgets/qmainwindow.cpp:1669) ==13548== \
by 0x4151D70A: QApplication::internalNotify(QObject*, QEvent*) \
(kernel/qapplication.cpp:2582) ==13548== by 0x4151D33A: \
QApplication::notify(QObject*, QEvent*) (kernel/qapplication.cpp:2470) ==13548== \
by 0x4109555A: KApplication::notify(QObject*, QEvent*) (in \
/opt/kde-cvs/lib/libkdecore.so.4.2.0) ==13548== by 0x414B478E: \
QApplication::sendEvent(QObject*, QEvent*) (kernel/qapplication.h:492) ==13548== \
by 0x4151E5F7: QApplication::sendPostedEvents(QObject*, int) \
(kernel/qapplication.cpp:3204) ==13548== by 0x415332B1: QEventLoop::enterLoop() \
(kernel/qeventloop.cpp:213) ==13548== by 0x41533101: QEventLoop::exec() \
(kernel/qeventloop.cpp:145) ==13548== by 0x4151D88A: QApplication::exec() \
(kernel/qapplication.cpp:2705) ==13548== by 0x80B0CA4: main \
(/home/andris/development/quanta/quanta-be/quanta/main.cpp:169) ==13548== by \
0x41D968AD: __libc_start_main (in /lib/libc.so.6) ==13548== by 0x8086B80: (within \
/development/build/kde-head/quanta-be/quanta/quanta_be) ==13548== discard syms in \
/usr/lib/gconv/ISO8859-1.so due to munmap() ==13548== discard syms in \
/lib/libnss_files.so.2 due to munmap() ==13548==
>
> Thanks.
- --
Quanta Plus developer - http://quanta.sourceforge.net
K Desktop Environment - http://www.kde.org
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