https://bugs.kde.org/show_bug.cgi?id=518496
Bug ID: 518496
Summary: Kate crashes when viewing commit
Classification: Applications
Product: kate
Version First Git
Reported In:
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
- clone qtdeclarative
- open src/qml/qml/qqmlcomponent.cpp in Kate
- Click Show Git History
- In the history sidebar, click on "QtQml: Do not instantiate components with
missing required properties"
=================================================================
==179981==ERROR: AddressSanitizer: global-buffer-overflow on address
0x7fe3e8ce8bde at pc 0x7fe3f1966b40 bp 0x7fff4d967fc0 sp 0x7fff4d967fb8
READ of size 2 at 0x7fe3e8ce8bde thread T0
#0 0x7fe3f1966b3f in comparesEqual(QChar const&, QChar const&)
/home/nico/kde-qtdev/usr/include/QtCore/qchar.h:668
#1 0x7fe3f1966bd7 in operator==(QChar const&, QChar const&)
/home/nico/kde-qtdev/usr/include/QtCore/qchar.h:672
#2 0x7fe3f1d206d2 in inlineDiff
/home/nico/kde-qtdev/src/kate/apps/lib/diff/diffwidget.cpp:701
#3 0x7fe3f1d211dc in markInlineDiffs
/home/nico/kde-qtdev/src/kate/apps/lib/diff/diffwidget.cpp:752
#4 0x7fe3f1d254f9 in DiffWidget::parseAndShowDiff(QByteArray const&)
/home/nico/kde-qtdev/src/kate/apps/lib/diff/diffwidget.cpp:914
#5 0x7fe3f1d2cb53 in DiffWidget::openDiff(QByteArray const&)
/home/nico/kde-qtdev/src/kate/apps/lib/diff/diffwidget.cpp:1223
#6 0x7fe3f1d15363 in DiffWidgetManager::openDiff(QByteArray const&,
DiffParams, KTextEditor::MainWindow*)
/home/nico/kde-qtdev/src/kate/apps/lib/diff/diffwidget.cpp:94
#7 0x7fe3f1cf92c1 in Utils::showDiff(QByteArray const&, DiffParams const&,
KTextEditor::MainWindow*)
/home/nico/kde-qtdev/src/kate/apps/lib/ktexteditor_utils.cpp:310
#8 0x7fe3f1d8b9ef in FileHistoryWidget::itemClicked(QModelIndex const&)
/home/nico/kde-qtdev/src/kate/apps/lib/filehistorywidget.cpp:679
#9 0x7fe3f1da5a83 in QtPrivate::FunctorCall<std::integer_sequence<unsigned
long, 0ul>, QtPrivate::List<QModelIndex const&>, void, void
(FileHistoryWidget::*)(QModelIndex const&)>::call(void
(FileHistoryWidget::*)(QModelIndex const&), FileHistoryWidget*,
void**)::{lambda()#1}::operator()() const
/home/nico/kde-qtdev/usr/include/QtCore/qobjectdefs_impl.h:128
#10 0x7fe3f1da6502 in void QtPrivate::FunctorCallBase::call_internal<void,
QtPrivate::FunctorCall<std::integer_sequence<unsigned long, 0ul>,
QtPrivate::List<QModelIndex const&>, void, void
(FileHistoryWidget::*)(QModelIndex const&)>::call(void
(FileHistoryWidget::*)(QModelIndex const&), FileHistoryWidget*,
void**)::{lambda()#1}>(void**,
QtPrivate::FunctorCall<std::integer_sequence<unsigned long, 0ul>,
QtPrivate::List<QModelIndex const&>, void, void
(FileHistoryWidget::*)(QModelIndex const&)>::call(void
(FileHistoryWidget::*)(QModelIndex const&), FileHistoryWidget*,
void**)::{lambda()#1}&&)
/home/nico/kde-qtdev/usr/include/QtCore/qobjectdefs_impl.h:66
#11 0x7fe3f1da5c3b in QtPrivate::FunctorCall<std::integer_sequence<unsigned
long, 0ul>, QtPrivate::List<QModelIndex const&>, void, void
(FileHistoryWidget::*)(QModelIndex const&)>::call(void
(FileHistoryWidget::*)(QModelIndex const&), FileHistoryWidget*, void**)
/home/nico/kde-qtdev/usr/include/QtCore/qobjectdefs_impl.h:127
#12 0x7fe3f1da448d in void QtPrivate::FunctionPointer<void
(FileHistoryWidget::*)(QModelIndex const&)>::call<QtPrivate::List<QModelIndex
const&>, void>(void (FileHistoryWidget::*)(QModelIndex const&),
FileHistoryWidget*, void**)
/home/nico/kde-qtdev/usr/include/QtCore/qobjectdefs_impl.h:175
#13 0x7fe3f1da2855 in QtPrivate::QCallableObject<void
(FileHistoryWidget::*)(QModelIndex const&), QtPrivate::List<QModelIndex
const&>, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*, void**, bool*)
/home/nico/kde-qtdev/usr/include/QtCore/qobjectdefs_impl.h:546
#14 0x7fe3e83347a2 in QtPrivate::QSlotObjectBase::call(QObject*, void**)
/home/nico/workspace/qt6-dev/qtbase/src/corelib/kernel/qobjectdefs_impl.h:462
#15 0x7fe3e83347a2 in void doActivate<false>(QObject*, int, void**)
/home/nico/workspace/qt6-dev/qtbase/src/corelib/kernel/qobject.cpp:4372
#16 0x7fe3e831674a in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**)
/home/nico/workspace/qt6-dev/qtbase/src/corelib/kernel/qobject.cpp:4432
#17 0x7fe3ec6c2300 in void QMetaObject::activate<void,
QModelIndex>(QObject*, QMetaObject const*, int, void*, QModelIndex const&)
/home/nico/workspace/qt6-dev/qtbase/src/corelib/kernel/qobjectdefs.h:320
#18 0x7fe3ec6c2300 in QAbstractItemView::clicked(QModelIndex const&)
/home/nico/workspace/qt6-dev/qtbase/src/widgets/Widgets_autogen/include/moc_qabstractitemview.cpp:559
#19 0x7fe3ec6d48de in QAbstractItemView::mouseReleaseEvent(QMouseEvent*)
/home/nico/workspace/qt6-dev/qtbase/src/widgets/itemviews/qabstractitemview.cpp:2016
#20 0x7fe3ec7e083f in QListView::mouseReleaseEvent(QMouseEvent*)
/home/nico/workspace/qt6-dev/qtbase/src/widgets/itemviews/qlistview.cpp:777
#21 0x7fe3ebdf3591 in QWidget::event(QEvent*)
/home/nico/workspace/qt6-dev/qtbase/src/widgets/kernel/qwidget.cpp:9029
#22 0x7fe3ebf2ca16 in QFrame::event(QEvent*)
/home/nico/workspace/qt6-dev/qtbase/src/widgets/widgets/qframe.cpp:522
#23 0x7fe3ebf239d1 in QAbstractScrollArea::viewportEvent(QEvent*)
/home/nico/workspace/qt6-dev/qtbase/src/widgets/widgets/qabstractscrollarea.cpp:1068
#24 0x7fe3ec6fa386 in QAbstractItemView::viewportEvent(QEvent*)
/home/nico/workspace/qt6-dev/qtbase/src/widgets/itemviews/qabstractitemview.cpp:1825
#25 0x7fe3ebf2521f in QAbstractScrollAreaPrivate::viewportEvent(QEvent*)
/home/nico/workspace/qt6-dev/qtbase/src/widgets/widgets/qabstractscrollarea_p.h:75
#26 0x7fe3ebf2521f in QAbstractScrollAreaFilter::eventFilter(QObject*,
QEvent*)
/home/nico/workspace/qt6-dev/qtbase/src/widgets/widgets/qabstractscrollarea_p.h:88
#27 0x7fe3e81f0914 in
QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*)
/home/nico/workspace/qt6-dev/qtbase/src/corelib/kernel/qcoreapplication.cpp:1250
#28 0x7fe3ebc920b8 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
/home/nico/workspace/qt6-dev/qtbase/src/widgets/kernel/qapplication.cpp:3270
#29 0x7fe3ebcaab56 in QApplication::notify(QObject*, QEvent*)
/home/nico/workspace/qt6-dev/qtbase/src/widgets/kernel/qapplication.cpp:2756
#30 0x7fe3e81f11b7 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
/home/nico/workspace/qt6-dev/qtbase/src/corelib/kernel/qcoreapplication.cpp:1113
#31 0x7fe3e81f1430 in QCoreApplication::sendSpontaneousEvent(QObject*,
QEvent*)
/home/nico/workspace/qt6-dev/qtbase/src/corelib/kernel/qcoreapplication.cpp:1567
#32 0x7fe3ebca780e in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool)
/home/nico/workspace/qt6-dev/qtbase/src/widgets/kernel/qapplication.cpp:2355
#33 0x7fe3ebe47fa8 in QWidgetWindow::handleMouseEvent(QMouseEvent*)
/home/nico/workspace/qt6-dev/qtbase/src/widgets/kernel/qwidgetwindow.cpp:688
#34 0x7fe3ebe4c451 in QWidgetWindow::event(QEvent*)
/home/nico/workspace/qt6-dev/qtbase/src/widgets/kernel/qwidgetwindow.cpp:293
#35 0x7fe3ebc920f4 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
/home/nico/workspace/qt6-dev/qtbase/src/widgets/kernel/qapplication.cpp:3276
#36 0x7fe3ebcaea84 in QApplication::notify(QObject*, QEvent*)
/home/nico/workspace/qt6-dev/qtbase/src/widgets/kernel/qapplication.cpp:3226
#37 0x7fe3e81f11b7 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
/home/nico/workspace/qt6-dev/qtbase/src/corelib/kernel/qcoreapplication.cpp:1113
#38 0x7fe3e81f1430 in QCoreApplication::sendSpontaneousEvent(QObject*,
QEvent*)
/home/nico/workspace/qt6-dev/qtbase/src/corelib/kernel/qcoreapplication.cpp:1567
#39 0x7fe3e9ab6e79 in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
/home/nico/workspace/qt6-dev/qtbase/src/gui/kernel/qguiapplication.cpp:2513
#40 0x7fe3e9abdb9b in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
/home/nico/workspace/qt6-dev/qtbase/src/gui/kernel/qguiapplication.cpp:2237
#41 0x7fe3e9c26e52 in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
/home/nico/workspace/qt6-dev/qtbase/src/gui/kernel/qwindowsysteminterface.cpp:1118
#42 0x7fe3eaae58f7 in userEventSourceDispatch
/home/nico/workspace/qt6-dev/qtbase/src/gui/platform/unix/qeventdispatcher_glib.cpp:39
#43 0x7fe3e4b06b75 in g_main_dispatch ../glib/gmain.c:3565
#44 0x7fe3e4b06b75 in g_main_context_dispatch_unlocked ../glib/gmain.c:4425
#45 0x7fe3e4b09a67 in g_main_context_iterate_unlocked ../glib/gmain.c:4490
#46 0x7fe3e4b0a2ab in g_main_context_iteration ../glib/gmain.c:4556
#47 0x7fe3e8b34771 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
/home/nico/workspace/qt6-dev/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:400
#48 0x7fe3eaae5d47 in
QPAEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
/home/nico/workspace/qt6-dev/qtbase/src/gui/platform/unix/qeventdispatcher_glib.cpp:90
#49 0x7fe3e821268d in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
/home/nico/workspace/qt6-dev/qtbase/src/corelib/kernel/qeventloop.cpp:109
#50 0x7fe3e8213d0c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
/home/nico/workspace/qt6-dev/qtbase/src/corelib/kernel/qeventloop.cpp:198
#51 0x7fe3e81fc436 in QCoreApplication::exec()
/home/nico/workspace/qt6-dev/qtbase/src/corelib/kernel/qcoreapplication.cpp:1456
#52 0x7fe3e9a8a3a3 in QGuiApplication::exec()
/home/nico/workspace/qt6-dev/qtbase/src/gui/kernel/qguiapplication.cpp:2010
#53 0x7fe3ebc8ed42 in QApplication::exec()
/home/nico/workspace/qt6-dev/qtbase/src/widgets/kernel/qapplication.cpp:2546
#54 0x000000432290 in main
/home/nico/kde-qtdev/src/kate/apps/kate/main.cpp:608
#55 0x7fe3e762b2fa in __libc_start_call_main
../sysdeps/nptl/libc_start_call_main.h:58
#56 0x7fe3e762b3ca in __libc_start_main_impl ../csu/libc-start.c:360
#57 0x00000040a184 in _start ../sysdeps/x86_64/start.S:115
0x7fe3e8ce8bde is located 2 bytes before global variable '_empty' defined in
'/home/nico/workspace/qt6-dev/qtbase/src/corelib/text/qstring.cpp:76:16'
(0x7fe3e8ce8be0) of size 2
0x7fe3e8ce8bde is located 52 bytes after global variable
'supportUnicodeDigitValuesEnvVar' defined in
'/home/nico/workspace/qt6-dev/qtbase/src/corelib/text/qstring.cpp:1597:27'
(0x7fe3e8ce8b80) of size 42
'supportUnicodeDigitValuesEnvVar' is ascii string
'QT_USE_UNICODE_DIGIT_VALUES_IN_STRING_ARG'
SUMMARY: AddressSanitizer: global-buffer-overflow
/home/nico/kde-qtdev/usr/include/QtCore/qchar.h:668 in comparesEqual(QChar
const&, QChar const&)
Shadow bytes around the buggy address:
0x7fe3e8ce8900: 00 f9 f9 f9 f9 f9 f9 f9 00 f9 f9 f9 f9 f9 f9 f9
0x7fe3e8ce8980: 00 07 f9 f9 f9 f9 f9 f9 00 00 00 00 00 02 f9 f9
0x7fe3e8ce8a00: f9 f9 f9 f9 00 00 00 01 f9 f9 f9 f9 06 f9 f9 f9
0x7fe3e8ce8a80: f9 f9 f9 f9 00 00 00 00 00 00 00 00 00 01 f9 f9
0x7fe3e8ce8b00: f9 f9 f9 f9 00 00 00 00 00 04 f9 f9 f9 f9 f9 f9
=>0x7fe3e8ce8b80: 00 00 00 00 00 02 f9 f9 f9 f9 f9[f9]02 f9 f9 f9
0x7fe3e8ce8c00: f9 f9 f9 f9 00 00 00 00 00 00 00 00 00 00 00 00
0x7fe3e8ce8c80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x7fe3e8ce8d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x7fe3e8ce8d80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x7fe3e8ce8e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
Left alloca redzone: ca
Right alloca redzone: cb
==179981==ABORTING
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