[Bug 278951] New: Kompare crashes when click on "next file" or "next difference"

Dario Savella dario.savella at rigpa.org
Sun Jul 31 18:43:50 CEST 2011 

https://bugs.kde.org/show_bug.cgi?id=278951

           Summary: Kompare crashes when click on "next file" or "next
                    difference"
           Product: kompare
           Version: 4.0.0
          Platform: openSUSE RPMs
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: kompare-devel at kde.org
        ReportedBy: dario.savella at rigpa.org


Application: kompare (4.0.0)
KDE Platform Version: 4.4.4 (KDE 4.4.4) "release 3"
Qt Version: 4.6.3
Operating System: Linux 2.6.34.8-0.2-desktop i686
Distribution: "openSUSE 11.3 (i586)"

-- Information about the crash:
After looking at some differences and browsing through them with "next
difference", I skipped to a different folder/file by selecting it directly.
Crash happened when using the buttons above so to highlight the next
difference.

The crash can be reproduced every time.

 -- Backtrace:
Application: Kompare (kompare), signal: Segmentation fault
[KCrash Handler]
#6  0xb3875475 in begin (this=0x8454cc0, changesList=0x81d7ae0,
diffToChangeItemDict=0x813d228) at /usr/include/QtCore/qlist.h:93
#7  constBegin (this=0x8454cc0, changesList=0x81d7ae0,
diffToChangeItemDict=0x813d228) at /usr/include/QtCore/qlist.h:250
#8  KFileLVI::fillChangesList (this=0x8454cc0, changesList=0x81d7ae0,
diffToChangeItemDict=0x813d228) at
/usr/src/debug/kdesdk-4.4.4/kompare/komparenavtreepart/komparenavtreepart.cpp:599
#9  0xb387560d in KompareNavTreePart::setSelectedFile (this=0x813d210,
model=0x89e2318) at
/usr/src/debug/kdesdk-4.4.4/kompare/komparenavtreepart/komparenavtreepart.cpp:315
#10 0xb387895a in KompareNavTreePart::slotSetSelection (this=0x813d210,
model=0x89e2318, diff=0x89e25b8) at
/usr/src/debug/kdesdk-4.4.4/kompare/komparenavtreepart/komparenavtreepart.cpp:275
#11 0xb3878be6 in KompareNavTreePart::qt_metacall (this=0x813d210,
_c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0xbfab05e4)
    at
/usr/src/debug/kdesdk-4.4.4/build/kompare/komparenavtreepart/komparenavtreepart.moc:105
#12 0xb5f6aefd in QMetaObject::metacall(QObject*, QMetaObject::Call, int,
void**) () from /usr/lib/libQtCore.so.4
#13 0xb5f79fe8 in QMetaObject::activate(QObject*, QMetaObject const*, int,
void**) () from /usr/lib/libQtCore.so.4
#14 0xb38929ad in KomparePart::setSelection (this=0x80f1498, _t1=0x89e2318,
_t2=0x89e25b8) at
/usr/src/debug/kdesdk-4.4.4/build/kompare/komparepart/kompare_part.moc:182
#15 0xb38941a7 in KomparePart::qt_metacall (this=0x80f1498,
_c=QMetaObject::InvokeMetaMethod, _id=1, _a=0xbfab0714) at
/usr/src/debug/kdesdk-4.4.4/build/kompare/komparepart/kompare_part.moc:134
#16 0xb5f6aefd in QMetaObject::metacall(QObject*, QMetaObject::Call, int,
void**) () from /usr/lib/libQtCore.so.4
#17 0xb5f79fe8 in QMetaObject::activate(QObject*, QMetaObject const*, int,
void**) () from /usr/lib/libQtCore.so.4
#18 0xb384630d in Diff2::KompareModelList::setSelection (this=0x8133380,
_t1=0x89e2318, _t2=0x89e25b8) at
/usr/src/debug/kdesdk-4.4.4/build/kompare/libdiff2/komparemodellist.moc:198
#19 0xb384a007 in Diff2::KompareModelList::slotNextModel (this=0x8133380) at
/usr/src/debug/kdesdk-4.4.4/kompare/libdiff2/komparemodellist.cpp:727
#20 0xb384b8ec in Diff2::KompareModelList::qt_metacall (this=0x8133380,
_c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0xbfab08c8)
    at
/usr/src/debug/kdesdk-4.4.4/build/kompare/libdiff2/komparemodellist.moc:146
#21 0xb5f6aefd in QMetaObject::metacall(QObject*, QMetaObject::Call, int,
void**) () from /usr/lib/libQtCore.so.4
#22 0xb5f79fe8 in QMetaObject::activate(QObject*, QMetaObject const*, int,
void**) () from /usr/lib/libQtCore.so.4
#23 0xb6410a0d in QAction::triggered(bool) () from /usr/lib/libQtGui.so.4
#24 0xb6410cab in QAction::activate(QAction::ActionEvent) () from
/usr/lib/libQtGui.so.4
#25 0xb68f3c30 in QToolButton::nextCheckState() () from /usr/lib/libQtGui.so.4
#26 0xb6820297 in ?? () from /usr/lib/libQtGui.so.4
#27 0xb6820596 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from
/usr/lib/libQtGui.so.4
#28 0xb68f3d1d in QToolButton::mouseReleaseEvent(QMouseEvent*) () from
/usr/lib/libQtGui.so.4
#29 0xb6470f00 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#30 0xb681f7d0 in QAbstractButton::event(QEvent*) () from
/usr/lib/libQtGui.so.4
#31 0xb68f547c in QToolButton::event(QEvent*) () from /usr/lib/libQtGui.so.4
#32 0xb6417c64 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from
/usr/lib/libQtGui.so.4
#33 0xb6420750 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/libQtGui.so.4
#34 0xb6e8a9d1 in KApplication::notify(QObject*, QEvent*) () from
/usr/lib/libkdeui.so.5
#35 0xb5f64e0e in QCoreApplication::notifyInternal(QObject*, QEvent*) () from
/usr/lib/libQtCore.so.4
#36 0xb6418c4c in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*,
QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from
/usr/lib/libQtGui.so.4
#37 0xb64a058c in ?? () from /usr/lib/libQtGui.so.4
#38 0xb649f73e in QApplication::x11ProcessEvent(_XEvent*) () from
/usr/lib/libQtGui.so.4
#39 0xb64c8570 in ?? () from /usr/lib/libQtGui.so.4
#40 0xb555eb49 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#41 0xb555f350 in ?? () from /usr/lib/libglib-2.0.so.0
#42 0xb555f60e in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#43 0xb5f90d4b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQtCore.so.4
#44 0xb64c819a in ?? () from /usr/lib/libQtGui.so.4
#45 0xb5f6411d in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQtCore.so.4
#46 0xb5f64319 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQtCore.so.4
#47 0xb5f68c70 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#48 0xb6415164 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#49 0x08050790 in main (argc=) at
/usr/src/debug/kdesdk-4.4.4/kompare/main.cpp:228

This bug may be a duplicate of or related to bug 257835.

Possible duplicates by query: bug 269177, bug 257835.

Reported using DrKonqi

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