[kompare] [Bug 505001] New: Kompare chasehes when running aginst the output of git diff

[David Gaya]

https://bugs.kde.org/show_bug.cgi?id=505001

            Bug ID: 505001
           Summary: Kompare chasehes when running aginst the output of git
                    diff
    Classification: Applications
           Product: kompare
      Version First 4.1.23085
       Reported In:
          Platform: Ubuntu
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kompare-devel at kde.org
          Reporter: david.gaya at gmail.com
  Target Milestone: ---

Application: kompare (4.1.23085)

Qt Version: 5.15.13
Frameworks Version: 5.115.0
Operating System: Linux 6.11.0-24-generic x86_64
Windowing System: X11
Distribution: Ubuntu 24.04.1 LTS
DrKonqi: 5.27.11 [KCrashBackend]

-- Information about the crash:
Sometimes, usually when there are deleted files in git diff, kompare crashes
when pressing the next file or next difference buttons, either in the UI or by
key.

Given a git difference that makes kompare crash, this can be reproduced 100%
time. 

Using Ubuntu 24.01.

The crash can be reproduced every time.

-- Backtrace:
Application: Kompare (kompare), signal: Segmentation fault

[KCrash Handler]
#4  0x00007e834802e2cf in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/parts/komparenavtreepart.so
#5  0x00007e834802e70e in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/parts/komparenavtreepart.so
#6  0x00007e8348030032 in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/parts/komparenavtreepart.so
#7  0x00007e8350512dbf in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007e83404787fa in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/parts/komparepart.so
#9  0x00007e8350512e16 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007e83521efe4a in
Diff2::KompareModelList::setSelection(Diff2::DiffModel const*,
Diff2::Difference const*) () from /lib/x86_64-linux-gnu/libkomparediff2.so.5
#11 0x00007e83521f6a25 in Diff2::KompareModelList::slotNextModel() () from
/lib/x86_64-linux-gnu/libkomparediff2.so.5
#12 0x00007e8350512e16 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007e8351164f94 in QAction::triggered(bool) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007e8351167eab in QAction::activate(QAction::ActionEvent) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007e835126967a in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007e83512697b8 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) ()
from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007e835136d446 in QToolButton::mouseReleaseEvent(QMouseEvent*) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007e83511b0df8 in QWidget::event(QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007e835116bd45 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007e83511746b0 in QApplication::notify(QObject*, QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x00007e83504d8118 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007e8351172874 in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) ()
from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007e83511caa39 in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007e83511cdfbf in ?? () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007e835116bd45 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x00007e83504d8118 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007e8350945a3b in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#28 0x00007e8350917bfc in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#29 0x00007e834aafcd06 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#30 0x00007e834e7145c5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007e834e773737 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007e834e713a63 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007e8350535279 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007e83504d6a7b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x00007e83504df3e8 in QCoreApplication::exec() () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#36 0x00005b2f17bc460a in ?? ()
#37 0x00007e834fa2a1ca in __libc_start_call_main
(main=main at entry=0x5b2f17bc3a40, argc=argc at entry=2,
argv=argv at entry=0x7ffffed7e408) at ../sysdeps/nptl/libc_start_call_main.h:58
#38 0x00007e834fa2a28b in __libc_start_main_impl (main=0x5b2f17bc3a40, argc=2,
argv=0x7ffffed7e408, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffffed7e3f8) at ../csu/libc-start.c:360
#39 0x00005b2f17bc5035 in ?? ()
[Inferior 1 (process 1798829) detached]

The reporter indicates this bug may be a duplicate of or related to bug 344532.

Reported using DrKonqi

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