https://bugs.kde.org/show_bug.cgi?id=411391
Bug ID: 411391
Summary: Segfault while opening diff
Product: kdiff3
Version: 1.8.x
Platform: Manjaro
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: application
Assignee: reeves...@gmail.com
Reporter: dfa...@gmail.com
Target Milestone: ---
SUMMARY
KDiff3 crashes with a segfault while trying to open a diff for a file that only
exists in A.
STEPS TO REPRODUCE
1. Ensure that you have Python's `cookiecutter` package (pip install --user
cookiecutter).
2. Create a temporary directory where you will be testing everything (e.g.
/temp/kdiff3-sigsegv) and cd into it.
3. Execute the following commands:
mkdir ccds
cd ccds
cookiecutter https://github.com/drivendata/cookiecutter-data-science # call
project "test" and answer other questions arbitrarily
cd ..
mkdir docker-ccds
cd docker-ccds
cookiecutter https://github.com/manifoldai/docker-cookiecutter-data-science #
call project "test" and answer other questions arbitrarily
cd ..
kdiff3 ccds/test docker-ccds/test
In KDiff3's interface, navigate to src/data/__init__.py and double-click on it.
OBSERVED RESULT
Segmentation fault. Here is backtrace from gdb:
#0 0x00007ffff72af665 in QAction::setEnabled(bool) () at
/usr/lib/libQt5Widgets.so.5
#1 0x00005555555de9e5 in ()
#2 0x00005555555aff7c in ()
#3 0x00007ffff6929b70 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#4 0x00007ffff72f6fd4 in QWidget::event(QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#5 0x00007ffff73a7b1f in QFrame::event(QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#6 0x00007ffff73aa842 in QAbstractScrollArea::event(QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#7 0x00007ffff752e8d4 in QAbstractItemView::event(QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#8 0x00007ffff72b34d5 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#9 0x00007ffff72bca21 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#10 0x00007ffff68fd9c2 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#11 0x00007ffff72ba24f in QApplicationPrivate::setFocusWidget(QWidget*,
Qt::FocusReason) () at /usr/lib/libQt5Widgets.so.5
#12 0x00007ffff72f0d28 in QWidget::setFocus(Qt::FocusReason) () at
/usr/lib/libQt5Widgets.so.5
#13 0x00005555555b8adc in ()
#14 0x00005555555b9925 in ()
#15 0x00005555555bc02d in ()
#16 0x000055555559b417 in ()
#17 0x00007ffff6929b70 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#18 0x0000555555585cc4 in ()
#19 0x000055555559f29f in ()
#20 0x00007ffff6929b70 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#21 0x00007ffff75206e6 in QAbstractItemView::doubleClicked(QModelIndex const&)
() at /usr/lib/libQt5Widgets.so.5
#22 0x00007ffff759de8d in QTreeView::mouseDoubleClickEvent(QMouseEvent*) () at
/usr/lib/libQt5Widgets.so.5
#23 0x00007ffff72f6d5b in QWidget::event(QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#24 0x00007ffff73a7b1f in QFrame::event(QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#25 0x00007ffff752ea40 in QAbstractItemView::viewportEvent(QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#26 0x00007ffff75a022c in QTreeView::viewportEvent(QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#27 0x00007ffff68fd6d3 in
QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () at
/usr/lib/libQt5Core.so.5
#28 0x00007ffff72b34c4 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#29 0x00007ffff72bcc6c in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#30 0x00007ffff68fd9c2 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#31 0x00007ffff72bbd4b in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) ()
at /usr/lib/libQt5Widgets.so.5
#32 0x00007ffff7313211 in () at /usr/lib/libQt5Widgets.so.5
#33 0x00007ffff7316154 in () at /usr/lib/libQt5Widgets.so.5
#34 0x00007ffff72b34d5 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#35 0x00007ffff72bca21 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#36 0x00007ffff68fd9c2 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#37 0x00007ffff6c996d6 in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() at /usr/lib/libQt5Gui.so.5
#38 0x00007ffff6c9b05b in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() at /usr/lib/libQt5Gui.so.5
#39 0x00007ffff6c7337c in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /usr/lib/libQt5Gui.so.5
#40 0x00007ffff1d4ffec in () at /usr/lib/libQt5XcbQpa.so.5
#41 0x00007ffff4a77cf4 in g_main_context_dispatch () at
/usr/lib/libglib-2.0.so.0
#42 0x00007ffff4a79b11 in () at /usr/lib/libglib-2.0.so.0
#43 0x00007ffff4a79b51 in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#44 0x00007ffff69559a3 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#45 0x00007ffff68fc5ec in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#46 0x00007ffff6904326 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#47 0x0000555555584f57 in ()
#48 0x00007ffff61a3ee3 in __libc_start_main () at /usr/lib/libc.so.6
#49 0x00005555555854be in _start ()
SOFTWARE/OS VERSIONS
Manjaro Gnome (Linux 4.19.66-1-MANJARO #1 SMP PREEMPT Fri Aug 9 18:01:53 UTC
2019)
KDE Frameworks Version: 5.60.0
Qt Version: 5.13.0
KDiff3 1.8.1
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