[Konsole-devel] [konsole] [Bug 351181] New: Valgrind: Invalid reads when destructing views

[Kevin Funk]

https://bugs.kde.org/show_bug.cgi?id=351181

            Bug ID: 351181
           Summary: Valgrind: Invalid reads when destructing views
           Product: konsole
           Version: master
          Platform: Other
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: konsole-devel at kde.org
          Reporter: kfunk at kde.org

==28327== Invalid read of size 4
==28327==    at 0x3086E60F: QListData::size() const (qlist.h:92)
==28327==    by 0x3092C4A9: QList<Konsole::ViewContainer*>::count() const
(qlist.h:290)
==28327==    by 0x309344A6: Konsole::ViewSplitter::activeContainer() const
(ViewSplitter.cpp:258)
==28327==    by 0x30926B54: Konsole::ViewManager::updateDetachViewState()
(ViewManager.cpp:271)
==28327==    by 0x30928F59: Konsole::ViewManager::viewDestroyed(QWidget*)
(ViewManager.cpp:741)
==28327==    by 0x30932AC8: QtPrivate::FunctorCall<QtPrivate::IndexesList<0>,
QtPrivate::List<QWidget*>, void, void
(Konsole::ViewManager::*)(QWidget*)>::call(void
(Konsole::ViewManager::*)(QWidget*), Konsole::ViewManager*, void**)
(qobjectdefs_impl.h:500)
==28327==    by 0x30931D4C: void QtPrivate::FunctionPointer<void
(Konsole::ViewManager::*)(QWidget*)>::call<QtPrivate::List<QWidget*>,
void>(void (Konsole::ViewManager::*)(QWidget*), Konsole::ViewManager*, void**)
(qobjectdefs_impl.h:519)
==28327==    by 0x30930DFA: QtPrivate::QSlotObject<void
(Konsole::ViewManager::*)(QWidget*), QtPrivate::List<QWidget*>,
void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*, void**, bool*)
(qobject_impl.h:143)
==28327==    by 0x6947359: QMetaObject::activate(QObject*, int, int, void**)
(in /usr/lib/x86_64-linux-gnu/libQt5Core.so.5.4.1)
==28327==    by 0x3094662F: Konsole::ViewContainer::viewRemoved(QWidget*)
(moc_ViewContainer.cpp:297)
==28327==    by 0x3091C8C8: Konsole::ViewContainer::forgetView(QWidget*)
(ViewContainer.cpp:163)
==28327==    by 0x3091C874: Konsole::ViewContainer::viewDestroyed(QObject*)
(ViewContainer.cpp:155)
==28327==  Address 0x20cf9c58 is 8 bytes inside a block of size 32 free'd
==28327==    at 0x4C2CE10: free (in
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==28327==    by 0x3092E874:
QList<Konsole::ViewContainer*>::dealloc(QListData::Data*) (qlist.h:792)
==28327==    by 0x3092BCFF: QList<Konsole::ViewContainer*>::~QList()
(qlist.h:766)
==28327==    by 0x3094A046: Konsole::ViewSplitter::~ViewSplitter() (in
/home/kfunk/devel/install/kf5/lib/x86_64-linux-gnu/libkonsoleprivate.so.15.08.0)
==28327==    by 0x3094A08B: Konsole::ViewSplitter::~ViewSplitter()
(ViewSplitter.h:47)
==28327==    by 0x727AB36: KParts::Part::~Part() (part.cpp:65)
==28327==    by 0x727CE35: KParts::ReadOnlyPart::~ReadOnlyPart()
(readonlypart.cpp:51)
==28327==    by 0x30602E41: ??? (in
/usr/lib/x86_64-linux-gnu/qt5/plugins/konsolepart.so)
==28327==    by 0x30602E88: ??? (in
/usr/lib/x86_64-linux-gnu/qt5/plugins/konsolepart.so)
==28327==    by 0x694618B: QObjectPrivate::deleteChildren() (in
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5.4.1)
==28327==    by 0x5BDC579: QWidget::~QWidget() (in
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5.4.1)
==28327==    by 0x25A4F2C7: KDevKonsoleView::~KDevKonsoleView()
(kdevkonsoleview.cpp:117)
==28327== 
==28327== Invalid read of size 8
==28327==    at 0x309344C0: Konsole::ViewSplitter::activeContainer() const
(ViewSplitter.cpp:259)
==28327==    by 0x30926B54: Konsole::ViewManager::updateDetachViewState()
(ViewManager.cpp:271)
==28327==    by 0x30928F59: Konsole::ViewManager::viewDestroyed(QWidget*)
(ViewManager.cpp:741)
==28327==    by 0x30932AC8: QtPrivate::FunctorCall<QtPrivate::IndexesList<0>,
QtPrivate::List<QWidget*>, void, void
(Konsole::ViewManager::*)(QWidget*)>::call(void
(Konsole::ViewManager::*)(QWidget*), Konsole::ViewManager*, void**)
(qobjectdefs_impl.h:500)
==28327==    by 0x30931D4C: void QtPrivate::FunctionPointer<void
(Konsole::ViewManager::*)(QWidget*)>::call<QtPrivate::List<QWidget*>,
void>(void (Konsole::ViewManager::*)(QWidget*), Konsole::ViewManager*, void**)
(qobjectdefs_impl.h:519)
==28327==    by 0x30930DFA: QtPrivate::QSlotObject<void
(Konsole::ViewManager::*)(QWidget*), QtPrivate::List<QWidget*>,
void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*, void**, bool*)
(qobject_impl.h:143)
==28327==    by 0x6947359: QMetaObject::activate(QObject*, int, int, void**)
(in /usr/lib/x86_64-linux-gnu/libQt5Core.so.5.4.1)
==28327==    by 0x3094662F: Konsole::ViewContainer::viewRemoved(QWidget*)
(moc_ViewContainer.cpp:297)
==28327==    by 0x3091C8C8: Konsole::ViewContainer::forgetView(QWidget*)
(ViewContainer.cpp:163)
==28327==    by 0x3091C874: Konsole::ViewContainer::viewDestroyed(QObject*)
(ViewContainer.cpp:155)
==28327==    by 0x30923155: QtPrivate::FunctorCall<QtPrivate::IndexesList<0>,
QtPrivate::List<QObject*>, void, void
(Konsole::ViewContainer::*)(QObject*)>::call(void
(Konsole::ViewContainer::*)(QObject*), Konsole::ViewContainer*, void**)
(qobjectdefs_impl.h:500)
==28327==    by 0x30922D1D: void QtPrivate::FunctionPointer<void
(Konsole::ViewContainer::*)(QObject*)>::call<QtPrivate::List<QObject*>,
void>(void (Konsole::ViewContainer::*)(QObject*), Konsole::ViewContainer*,
void**) (qobjectdefs_impl.h:519)
==28327==  Address 0x20cf9c60 is 16 bytes inside a block of size 32 free'd
==28327==    at 0x4C2CE10: free (in
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==28327==    by 0x3092E874:
QList<Konsole::ViewContainer*>::dealloc(QListData::Data*) (qlist.h:792)
==28327==    by 0x3092BCFF: QList<Konsole::ViewContainer*>::~QList()
(qlist.h:766)
==28327==    by 0x3094A046: Konsole::ViewSplitter::~ViewSplitter() (in
/home/kfunk/devel/install/kf5/lib/x86_64-linux-gnu/libkonsoleprivate.so.15.08.0)
==28327==    by 0x3094A08B: Konsole::ViewSplitter::~ViewSplitter()
(ViewSplitter.h:47)
==28327==    by 0x727AB36: KParts::Part::~Part() (part.cpp:65)
==28327==    by 0x727CE35: KParts::ReadOnlyPart::~ReadOnlyPart()
(readonlypart.cpp:51)
==28327==    by 0x30602E41: ??? (in
/usr/lib/x86_64-linux-gnu/qt5/plugins/konsolepart.so)
==28327==    by 0x30602E88: ??? (in
/usr/lib/x86_64-linux-gnu/qt5/plugins/konsolepart.so)
==28327==    by 0x694618B: QObjectPrivate::deleteChildren() (in
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5.4.1)
==28327==    by 0x5BDC579: QWidget::~QWidget() (in
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5.4.1)
==28327==    by 0x25A4F2C7: KDevKonsoleView::~KDevKonsoleView()
(kdevkonsoleview.cpp:117)

Reproducible: Always

Steps to Reproduce:
1. Just start kdevelop with
2. Open project
3. Activate Konsole
4. Close KDevelop

-- 
You are receiving this mail because:
You are the assignee for the bug.