https://bugs.kde.org/show_bug.cgi?id=417936
Bug ID: 417936
Summary: Crash when dragging from a window
Product: kwin
Version: unspecified
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: aleix...@kde.org
Target Milestone: ---
SUMMARY
As soon as my drag exits the window, kwin_wayland crashes for me:
#0 0x00007fb6b94e5ce5 in raise () at /usr/lib/libc.so.6
#1 0x00007fb6b94cf92c in abort () at /usr/lib/libc.so.6
#2 0x00007fb6b9ba3be3 in qt_message_fatal (context=..., message=<synthetic
pointer>...) at
/home/apol/devel/frameworks/qt5/qtbase/src/corelib/global/qlogging.cpp:1914
#3 QMessageLogger::fatal(char const*, ...) const
(this=this@entry=0x7ffec3dfae60, msg=msg@entry=0x7fb6b9e98ea0 "ASSERT: \"%s\"
in file %s, line %d") at
/home/apol/devel/frameworks/qt5/qtbase/src/corelib/global/qlogging.cpp:893
#4 0x00007fb6b9ba2fc5 in qt_assert(char const*, char const*, int)
(assertion=<optimized out>, file=<optimized out>, line=<optimized out>) at
../../include/QtCore/../../../../../devel/frameworks/qt5/qtbase/src/corelib/global/qlogging.h:90
#5 0x000055da99bdc807 in
KWin::Xwl::XToWlDrag::XToWlDrag(KWin::Xwl::X11Source*)::$_0::operator()(unsigned
int) const (this=0x55da9c0b9bb0, eventTime=6861148) at
/home/apol/devel/frameworks/kwin/xwl/drag_x.cpp:78
#6 0x000055da99bdc6f0 in QtPrivate::FunctorCall<QtPrivate::IndexesList<0>,
QtPrivate::List<unsigned int>, void,
KWin::Xwl::XToWlDrag::XToWlDrag(KWin::Xwl::X11Source*)::$_0>::call(KWin::Xwl::XToWlDrag::XToWlDrag(KWin::Xwl::X11Source*)::$_0&,
void**)
(f=..., arg=0x7ffec3dfb0b0) at
/home/apol/devel/kde5/include/QtCore/qobjectdefs_impl.h:146
#7 0x000055da99bdc6b1 in
QtPrivate::Functor<KWin::Xwl::XToWlDrag::XToWlDrag(KWin::Xwl::X11Source*)::$_0,
1>::call<QtPrivate::List<unsigned int>,
void>(KWin::Xwl::XToWlDrag::XToWlDrag(KWin::Xwl::X11Source*)::$_0&, void*,
void**) (f=..., arg=0x7ffec3dfb0b0)
at /home/apol/devel/kde5/include/QtCore/qobjectdefs_impl.h:256
#8 0x000055da99bdc65c in
QtPrivate::QFunctorSlotObject<KWin::Xwl::XToWlDrag::XToWlDrag(KWin::Xwl::X11Source*)::$_0,
1, QtPrivate::List<unsigned int>, void>::impl(int, QtPrivate::QSlotObjectBase*,
QObject*, void**, bool*)
(which=1, this_=0x55da9c0b9ba0, r=0x55da9c01f160, a=0x7ffec3dfb0b0,
ret=0x0) at /home/apol/devel/kde5/include/QtCore/qobjectdefs_impl.h:439
#9 0x00007fb6b9deb65e in QtPrivate::QSlotObjectBase::call(QObject*, void**)
(a=0x7ffec3dfb0b0, r=0x55da9c01f160, this=0x55da9c0b9ba0) at
../../include/QtCore/../../../../../devel/frameworks/qt5/qtbase/src/corelib/kernel/qobjectdefs_impl.h:394
#10 doActivate<false>(QObject*, int, void**) (sender=0x55da9b5350e0,
signal_index=3, argv=0x7ffec3dfb0b0) at
/home/apol/devel/frameworks/qt5/qtbase/src/corelib/kernel/qobject.cpp:3858
#11 0x000055da99bbe472 in KWin::Xwl::Selection::transferFinished(unsigned int)
(this=0x55da9b5350e0, _t1=6861148) at
kwin_wayland_autogen/DC6ZQWILS5/moc_selection.cpp:134
#12 0x000055da99be6262 in KWin::Xwl::Selection::startTransferToWayland(unsigned
int, int)::$_0::operator()() const (this=0x55da9c02f3d0) at
/home/apol/devel/frameworks/kwin/xwl/selection.cpp:303
#13 0x000055da99be61f6 in QtPrivate::FunctorCall<QtPrivate::IndexesList<>,
QtPrivate::List<>, void, KWin::Xwl::Selection::startTransferToWayland(unsigned
int, int)::$_0>::call(KWin::Xwl::Selection::startTransferToWayland(unsigned
int, int)::$_0&, void**)
(f=..., arg=0x7ffec3dfb260) at
/home/apol/devel/kde5/include/QtCore/qobjectdefs_impl.h:146
#14 0x000055da99be61c1 in
QtPrivate::Functor<KWin::Xwl::Selection::startTransferToWayland(unsigned int,
int)::$_0, 0>::call<QtPrivate::List<>,
void>(KWin::Xwl::Selection::startTransferToWayland(unsigned int, int)::$_0&,
void*, void**) (f=..., arg=0x7ffec3dfb260)
at /home/apol/devel/kde5/include/QtCore/qobjectdefs_impl.h:256
#15 0x000055da99be616c in
QtPrivate::QFunctorSlotObject<KWin::Xwl::Selection::startTransferToWayland(unsigned
int, int)::$_0, 0, QtPrivate::List<>, void>::impl(int,
QtPrivate::QSlotObjectBase*, QObject*, void**, bool*)
(which=1, this_=0x55da9c02f3c0, r=0x55da9b5350e0, a=0x7ffec3dfb260,
ret=0x0) at /home/apol/devel/kde5/include/QtCore/qobjectdefs_impl.h:439
#16 0x00007fb6b9deb65e in QtPrivate::QSlotObjectBase::call(QObject*, void**)
(a=0x7ffec3dfb260, r=0x55da9b5350e0, this=0x55da9c02f3c0) at
../../include/QtCore/../../../../../devel/frameworks/qt5/qtbase/src/corelib/kernel/qobjectdefs_impl.h:394
#17 doActivate<false>(QObject*, int, void**) (sender=0x55da9bf2f150,
signal_index=3, argv=0x7ffec3dfb260) at
/home/apol/devel/frameworks/qt5/qtbase/src/corelib/kernel/qobject.cpp:3858
#18 0x000055da99bbeed5 in KWin::Xwl::Transfer::finished() (this=0x55da9bf2f150)
at kwin_wayland_autogen/DC6ZQWILS5/moc_transfer.cpp:131
#19 0x000055da99beddee in KWin::Xwl::Transfer::endTransfer()
(this=0x55da9bf2f150) at /home/apol/devel/frameworks/kwin/xwl/transfer.cpp:87
#20 0x000055da99bef554 in KWin::Xwl::TransferXtoWl::dataSourceWrite()
(this=0x55da9bf2f150) at /home/apol/devel/frameworks/kwin/xwl/transfer.cpp:577
#21 0x000055da99bef2ac in KWin::Xwl::TransferXtoWl::startTransfer()
(this=0x55da9bf2f150) at /home/apol/devel/frameworks/kwin/xwl/transfer.cpp:392
#22 0x000055da99bef0ae in
KWin::Xwl::TransferXtoWl::handleSelectionNotify(xcb_selection_notify_event_t*)
(this=0x55da9bf2f150, event=0x55da9bfcf460) at
/home/apol/devel/frameworks/kwin/xwl/transfer.cpp:362
#23 0x000055da99be5158 in
KWin::Xwl::Selection::handleSelectionNotify(xcb_selection_notify_event_t*)
(this=0x55da9b5350e0, event=0x55da9bfcf460) at
/home/apol/devel/frameworks/kwin/xwl/selection.cpp:274
#24 0x000055da99be5008 in
KWin::Xwl::Selection::filterEvent(xcb_generic_event_t*) (this=0x55da9b5350e0,
event=0x55da9bfcf460) at /home/apol/devel/frameworks/kwin/xwl/selection.cpp:130
#25 0x000055da99bd1cf2 in
KWin::Xwl::DataBridge::filterEvent(xcb_generic_event_t*) (this=0x55da9b15f3a0,
event=0x55da9bfcf460) at
/home/apol/devel/frameworks/kwin/xwl/databridge.cpp:100
#26 0x000055da99bf3aa5 in
KWin::Xwl::Xwayland::continueStartupWithX()::$_7::operator()() const
(this=0x7fb69000a6c0) at /home/apol/devel/frameworks/kwin/xwl/xwayland.cpp:224
#27 0x000055da99bf3a16 in QtPrivate::FunctorCall<QtPrivate::IndexesList<>,
QtPrivate::List<>, void,
KWin::Xwl::Xwayland::continueStartupWithX()::$_7>::call(KWin::Xwl::Xwayland::continueStartupWithX()::$_7&,
void**) (f=..., arg=0x7ffec3dfb830)
at /home/apol/devel/kde5/include/QtCore/qobjectdefs_impl.h:146
#28 0x000055da99bf39e1 in
QtPrivate::Functor<KWin::Xwl::Xwayland::continueStartupWithX()::$_7,
0>::call<QtPrivate::List<>,
void>(KWin::Xwl::Xwayland::continueStartupWithX()::$_7&, void*, void**) (f=...,
arg=0x7ffec3dfb830)
at /home/apol/devel/kde5/include/QtCore/qobjectdefs_impl.h:256
#29 0x000055da99bf398c in
QtPrivate::QFunctorSlotObject<KWin::Xwl::Xwayland::continueStartupWithX()::$_7,
0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*,
void**, bool*)
(which=1, this_=0x7fb69000a6b0, r=0x55da9b155a30, a=0x7ffec3dfb830,
ret=0x0) at /home/apol/devel/kde5/include/QtCore/qobjectdefs_impl.h:439
#30 0x00007fb6b9deb65e in QtPrivate::QSlotObjectBase::call(QObject*, void**)
(a=0x7ffec3dfb830, r=0x55da9b155a30, this=0x7fb69000a6b0) at
../../include/QtCore/../../../../../devel/frameworks/qt5/qtbase/src/corelib/kernel/qobjectdefs_impl.h:394
#31 doActivate<false>(QObject*, int, void**) (sender=0x55da9a8d6f90,
signal_index=3, argv=0x7ffec3dfb830) at
/home/apol/devel/frameworks/qt5/qtbase/src/corelib/kernel/qobject.cpp:3858
#32 0x00007fb6b9de5d5f in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (sender=sender@entry=0x55da9a8d6f90, m=m@entry=0x7fb6ba081b60
<QSocketNotifier::staticMetaObject>,
local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffec3dfb830)
at
/home/apol/devel/frameworks/qt5/qtbase/src/corelib/kernel/qobject.cpp:3918
#33 0x00007fb6b9deede1 in QSocketNotifier::activated(int,
QSocketNotifier::QPrivateSignal) (this=this@entry=0x55da9a8d6f90,
_t1=<optimized out>, _t2=...) at .moc/moc_qsocketnotifier.cpp:141
#34 0x00007fb6b9def121 in QSocketNotifier::event(QEvent*) (this=0x55da9a8d6f90,
e=0x7ffec3dfbaf0) at
/home/apol/devel/frameworks/qt5/qtbase/src/corelib/kernel/qsocketnotifier.cpp:271
#35 0x00007fb6ba8add1f in QApplicationPrivate::notify_helper(QObject*, QEvent*)
(this=this@entry=0x55da9a6dd820, receiver=receiver@entry=0x55da9a8d6f90,
e=e@entry=0x7ffec3dfbaf0) at
/home/apol/devel/frameworks/qt5/qtbase/src/widgets/kernel/qapplication.cpp:3670
#36 0x00007fb6ba8b6b60 in QApplication::notify(QObject*, QEvent*)
(this=0x7ffec3dfc440, receiver=0x55da9a8d6f90, e=0x7ffec3dfbaf0) at
/home/apol/devel/frameworks/qt5/qtbase/src/widgets/kernel/qapplication.cpp:3416
#37 0x00007fb6b9db683a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
(receiver=0x55da9a8d6f90, event=0x7ffec3dfbaf0) at
../../include/QtCore/5.15.0/QtCore/private/../../../../../../../../devel/frameworks/qt5/qtbase/src/corelib/thread/qthread_p.h:325
#38 0x00007fb6b9e0aa2b in
QEventDispatcherUNIXPrivate::activateSocketNotifiers() (this=0x55da9a6e3cf0) at
/home/apol/devel/frameworks/qt5/qtbase/src/corelib/kernel/qeventdispatcher_unix.cpp:304
#39 0x00007fb6b9e0ae7b in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=<optimized out>, flags=...) at
/home/apol/devel/frameworks/qt5/qtbase/src/corelib/kernel/qeventdispatcher_unix.cpp:511
#40 0x00007fb6b4eb6e4d in
QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=<optimized out>, flags=...) at
/home/apol/devel/frameworks/qt5/qtbase/src/platformsupport/eventdispatchers/qunixeventdispatcher.cpp:63
#41 0x00007fb6b9db542b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7ffec3dfbc80, flags=..., flags@entry=...) at
../../include/QtCore/../../../../../devel/frameworks/qt5/qtbase/src/corelib/global/qflags.h:141
#42 0x00007fb6b9dbd340 in QCoreApplication::exec() () at
../../include/QtCore/../../../../../devel/frameworks/qt5/qtbase/src/corelib/global/qflags.h:121
#43 0x000055da99bc5774 in main(int, char**) (argc=4, argv=0x7ffec3dfc668) at
/home/apol/devel/frameworks/kwin/main_wayland.cpp:676
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