[Bug 290454] New: Pagefault when jump to next diff

The_Akki at gmx.de The_Akki at gmx.de
Mon Jan 2 23:10:52 UTC 2012 

https://bugs.kde.org/show_bug.cgi?id=290454

           Summary: Pagefault when jump to next diff
           Product: kompare
           Version: 4.0.0
          Platform: Ubuntu Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: kompare-devel at kde.org
        ReportedBy: The_Akki at gmx.de


Application: kompare (4.0.0)
KDE Platform Version: 4.7.2 (4.7.2)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-13-generic x86_64
Distribution: Ubuntu 11.04

-- Information about the crash:
I have open a diff-file which have any informations about folders and files.
The error occours when i klick on previous button.

-- Backtrace:
Application: Kompare (kompare), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f6d2e059780 (LWP 10993))]

Thread 2 (Thread 0x7f6d18962700 (LWP 11006)):
#0  0x00007f6d27daa842 in g_main_context_release () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f6d27dac13a in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6d27dac639 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6d2b86b446 in QEventDispatcherGlib::processEvents (this=0x29931b0,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f6d2b83f882 in QEventLoop::processEvents (this=<value optimized
out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f6d2b83fabc in QEventLoop::exec (this=0x7f6d18961dd0, flags=...) at
kernel/qeventloop.cpp:201
#6  0x00007f6d2b756924 in QThread::exec (this=<value optimized out>) at
thread/qthread.cpp:492
#7  0x00007f6d2b821c2f in QInotifyFileSystemWatcherEngine::run (this=0x294a4d0)
at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f6d2b759175 in QThreadPrivate::start (arg=0x294a4d0) at
thread/qthread_unix.cpp:320
#9  0x00007f6d28277d8c in start_thread (arg=0x7f6d18962700) at
pthread_create.c:304
#10 0x00007f6d2b13104d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f6d2e059780 (LWP 10993)):
[KCrash Handler]
#6  QTreeModel::index (this=0x292afd0, item=0x2f63b90, column=0) at
itemviews/qtreewidget.cpp:240
#7  0x00007f6d2c7889a4 in index (this=<value optimized out>, item=<value
optimized out>, column=0) at
../../include/QtGui/private/../../../src/gui/itemviews/qtreewidget_p.h:224
#8  QTreeWidget::setCurrentItem (this=<value optimized out>, item=<value
optimized out>, column=0) at itemviews/qtreewidget.cpp:2814
#9  0x00007f6d1c91fff2 in KompareNavTreePart::setSelectedFile (this=0x291c320,
model=0x2acf530) at
../../../kompare/komparenavtreepart/komparenavtreepart.cpp:312
#10 0x00007f6d1c920242 in KompareNavTreePart::slotSetSelection (this=0x291c320,
model=0x2acf530, diff=0x2acc2d0) at
../../../kompare/komparenavtreepart/komparenavtreepart.cpp:277
#11 0x00007f6d1c92069a in KompareNavTreePart::qt_metacall (this=0x291c320,
_c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff54a484d0)
at ./komparenavtreepart.moc:105
#12 0x00007f6d2b8555f8 in QMetaObject::activate (sender=0x2750910, m=<value
optimized out>, local_signal_index=<value optimized out>, argv=0x7fff54a484d0)
at kernel/qobject.cpp:3287
#13 0x00007f6d1e2b1b7f in KomparePart::setSelection (this=<value optimized
out>, _t1=0x2acf530, _t2=0x2acc2d0) at ./kompare_part.moc:182
#14 0x00007f6d1e2b2fc0 in KomparePart::qt_metacall (this=0x2750910,
_c=QMetaObject::InvokeMetaMethod, _id=1, _a=0x7fff54a48600) at
./kompare_part.moc:134
#15 0x00007f6d2b8555f8 in QMetaObject::activate (sender=0x28d9a70, m=<value
optimized out>, local_signal_index=<value optimized out>, argv=0x7fff54a48600)
at kernel/qobject.cpp:3287
#16 0x00007f6d1e04ceaf in Diff2::KompareModelList::setSelection (this=<value
optimized out>, _t1=0x2acf530, _t2=0x2acc2d0) at ./komparemodellist.moc:198
#17 0x00007f6d1e0503f2 in Diff2::KompareModelList::slotPreviousModel
(this=0x28d9a70) at ../../../kompare/libdiff2/komparemodellist.cpp:713
#18 0x00007f6d1e051a95 in Diff2::KompareModelList::qt_metacall (this=0x28d9a70,
_c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff54a48780)
at ./komparemodellist.moc:145
#19 0x00007f6d2b8555f8 in QMetaObject::activate (sender=0x28dbfa0, m=<value
optimized out>, local_signal_index=<value optimized out>, argv=0x7fff54a48780)
at kernel/qobject.cpp:3287
#20 0x00007f6d2c1f6122 in QAction::triggered (this=<value optimized out>,
_t1=false) at .moc/release-shared/moc_qaction.cpp:263
#21 0x00007f6d2c1f630f in QAction::activate (this=0x28dbfa0, event=<value
optimized out>) at kernel/qaction.cpp:1257
#22 0x00007f6d2c5bf46a in QAbstractButtonPrivate::click (this=0x2912050) at
widgets/qabstractbutton.cpp:528
#23 0x00007f6d2c5bf71c in QAbstractButton::mouseReleaseEvent (this=0x28fb290,
e=0x7fff54a490d0) at widgets/qabstractbutton.cpp:1121
#24 0x00007f6d2c67b9ba in QToolButton::mouseReleaseEvent (this=<value optimized
out>, e=<value optimized out>) at widgets/qtoolbutton.cpp:721
#25 0x00007f6d2c24dcc8 in QWidget::event (this=0x28fb290, event=0x7fff54a490d0)
at kernel/qwidget.cpp:8259
#26 0x00007f6d2c1fc9f4 in QApplicationPrivate::notify_helper (this=0x2564c00,
receiver=0x28fb290, e=0x7fff54a490d0) at kernel/qapplication.cpp:4462
#27 0x00007f6d2c201dc3 in QApplication::notify (this=<value optimized out>,
receiver=0x28fb290, e=0x7fff54a490d0) at kernel/qapplication.cpp:4023
#28 0x00007f6d2cf0ca76 in KApplication::notify (this=0x7fff54a49fe0,
receiver=0x28fb290, event=0x7fff54a490d0) at
../../kdeui/kernel/kapplication.cpp:311
#29 0x00007f6d2b84049c in QCoreApplication::notifyInternal
(this=0x7fff54a49fe0, receiver=0x28fb290, event=0x7fff54a490d0) at
kernel/qcoreapplication.cpp:731
#30 0x00007f6d2c1fda1d in sendEvent (receiver=0x28fb290, event=0x7fff54a490d0,
alienWidget=0x28fb290, nativeWidget=0x26d0740, buttonDown=0x7f6d2cce0218,
lastMouseReceiver=..., spontaneous=true) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#31 QApplicationPrivate::sendMouseEvent (receiver=0x28fb290,
event=0x7fff54a490d0, alienWidget=0x28fb290, nativeWidget=0x26d0740,
buttonDown=0x7f6d2cce0218, lastMouseReceiver=..., spontaneous=true) at
kernel/qapplication.cpp:3122
#32 0x00007f6d2c27f190 in QETWidget::translateMouseEvent (this=0x26d0740,
event=<value optimized out>) at kernel/qapplication_x11.cpp:4558
#33 0x00007f6d2c27dab7 in QApplication::x11ProcessEvent (this=0x7fff54a49fe0,
event=0x7fff54a49a20) at kernel/qapplication_x11.cpp:3680
#34 0x00007f6d2c2a6842 in x11EventSourceDispatch (s=0x25636d0, callback=0,
user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#35 0x00007f6d27dabbcd in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f6d27dac3a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007f6d27dac639 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007f6d2b86b3ef in QEventDispatcherGlib::processEvents (this=0x2516340,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#39 0x00007f6d2c2a64de in QGuiEventDispatcherGlib::processEvents (this=<value
optimized out>, flags=<value optimized out>) at
kernel/qguieventdispatcher_glib.cpp:204
#40 0x00007f6d2b83f882 in QEventLoop::processEvents (this=<value optimized
out>, flags=...) at kernel/qeventloop.cpp:149
#41 0x00007f6d2b83fabc in QEventLoop::exec (this=0x7fff54a49d20, flags=...) at
kernel/qeventloop.cpp:201
#42 0x00007f6d2b843ecb in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1008
#43 0x0000000000409bdf in main (argc=<value optimized out>, argv=<value
optimized out>) at ../../kompare/main.cpp:228

Possible duplicates by query: bug 277050, bug 273617.

Reported using DrKonqi

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