https://bugs.kde.org/show_bug.cgi?id=383054
Bug ID: 383054
Summary: Crash in autocompletion of kdevelop
Product: kwin
Version: git master
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: crash
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: mgraess...@kde.org
Target Milestone: ---
Flags: Wayland+, X11-
Steps to reproduce:
1. use kdevelop
2. use lots of auto-completion
3. wait
Thread 1 "kwin_wayland" received signal SIGSEGV, Segmentation fault.
0x00007f258a2c6560 in KWayland::Server::DataSourceInterface::d_func() const ()
from /usr/lib/x86_64-linux-gnu/libKF5WaylandServer.so.5
(gdb) t a a bt
Thread 9 (Thread 0x7f254affd700 (LWP 1305)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f2588057784 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2 0x00007f25880577c9 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3 0x00007f258a0606ba in start_thread (arg=0x7f254affd700) at
pthread_create.c:333
#4 0x00007f25887773dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 8 (Thread 0x7f254bfff700 (LWP 1303)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f258908d8eb in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0x4114f40) at
thread/qwaitcondition_unix.cpp:143
#2 QWaitCondition::wait (this=<optimized out>, mutex=0x4114168,
time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3 0x00007f2568140f22 in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/qml/Qt/labs/folderlistmodel/libqmlfolderlistmodelplugin.so
#4 0x00007f258908c989 in QThreadPrivate::start (arg=0x4114158) at
thread/qthread_unix.cpp:368
#5 0x00007f258a0606ba in start_thread (arg=0x7f254bfff700) at
pthread_create.c:333
#6 0x00007f25887773dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 7 (Thread 0x7f2554b5c700 (LWP 1302)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f258908d8eb in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0x41acc80) at
thread/qwaitcondition_unix.cpp:143
#2 QWaitCondition::wait (this=this@entry=0x4166998,
mutex=mutex@entry=0x4166990, time=time@entry=18446744073709551615) at
thread/qwaitcondition_unix.cpp:215
#3 0x00007f258908676b in QSemaphore::acquire (this=0x41aff18, n=1) at
thread/qsemaphore.cpp:143
#4 0x00007f2571dc116b in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/platforminputcontexts/libqtvirtualkeyboardplugin.so
#5 0x00007f258908c989 in QThreadPrivate::start (arg=0x41aff00) at
thread/qthread_unix.cpp:368
#6 0x00007f258a0606ba in start_thread (arg=0x7f2554b5c700) at
pthread_create.c:333
#7 0x00007f25887773dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 6 (Thread 0x7f2555f5d700 (LWP 1301)):
#0 0x00007f258876b70d in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007f258100e38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f258100e49c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f25892b592f in QEventDispatcherGlib::processEvents
(this=0x7f254c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#4 0x00007f258925e7ca in QEventLoop::exec (this=this@entry=0x7f2555f5cc60,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5 0x00007f2589087cd4 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:515
#6 0x00007f2584315fa5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7 0x00007f258908c989 in QThreadPrivate::start (arg=0x3f94540) at
thread/qthread_unix.cpp:368
#8 0x00007f258a0606ba in start_thread (arg=0x7f2555f5d700) at
pthread_create.c:333
#9 0x00007f25887773dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 5 (Thread 0x7f255f0ce700 (LWP 1300)):
#0 0x00007f258876b70d in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007f258100e38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
---Type <return> to continue, or q <return> to quit---
#2 0x00007f258100e49c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f25892b594b in QEventDispatcherGlib::processEvents
(this=0x7f25500008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4 0x00007f258925e7ca in QEventLoop::exec (this=this@entry=0x7f255f0cdc60,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5 0x00007f2589087cd4 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:515
#6 0x00007f2584315fa5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7 0x00007f258908c989 in QThreadPrivate::start (arg=0x400aaf0) at
thread/qthread_unix.cpp:368
#8 0x00007f258a0606ba in start_thread (arg=0x7f255f0ce700) at
pthread_create.c:333
#9 0x00007f25887773dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 4 (Thread 0x7f256b5ef700 (LWP 1281)):
#0 0x00007f258876b70d in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007f258100e38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f258100e49c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f25892b592f in QEventDispatcherGlib::processEvents
(this=0x7f25600008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#4 0x00007f258925e7ca in QEventLoop::exec (this=this@entry=0x7f256b5eec80,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5 0x00007f2589087cd4 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:515
#6 0x00007f258908c989 in QThreadPrivate::start (arg=0x21df730) at
thread/qthread_unix.cpp:368
#7 0x00007f258a0606ba in start_thread (arg=0x7f256b5ef700) at
pthread_create.c:333
#8 0x00007f25887773dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 3 (Thread 0x7f2570c71700 (LWP 1280)):
#0 0x00007f258876b70d in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007f258100e38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f258100e49c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f25892b592f in QEventDispatcherGlib::processEvents
(this=0x7f25640008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#4 0x00007f258925e7ca in QEventLoop::exec (this=this@entry=0x7f2570c70c80,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5 0x00007f2589087cd4 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:515
#6 0x00007f258908c989 in QThreadPrivate::start (arg=0x20e8310) at
thread/qthread_unix.cpp:368
#7 0x00007f258a0606ba in start_thread (arg=0x7f2570c71700) at
pthread_create.c:333
#8 0x00007f25887773dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 2 (Thread 0x7f257169d700 (LWP 1279)):
#0 0x00007f258876b70d in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007f258100e38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f258100e49c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f25892b594b in QEventDispatcherGlib::processEvents
(this=0x7f256c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4 0x00007f258925e7ca in QEventLoop::exec (this=this@entry=0x7f257169cc50,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5 0x00007f2589087cd4 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:515
#6 0x00007f258b022b75 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7 0x00007f258908c989 in QThreadPrivate::start (arg=0x7f258b098da0) at
thread/qthread_unix.cpp:368
#8 0x00007f258a0606ba in start_thread (arg=0x7f257169d700) at
pthread_create.c:333
#9 0x00007f25887773dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
---Type <return> to continue, or q <return> to quit---
Thread 1 (Thread 0x7f2573678940 (LWP 1278)):
#0 0x00007f258a2c6560 in KWayland::Server::DataSourceInterface::d_func() const
() from /usr/lib/x86_64-linux-gnu/libKF5WaylandServer.so.5
#1 0x00007f258a2c65c1 in KWayland::Server::DataSourceInterface::mimeTypes()
const () from /usr/lib/x86_64-linux-gnu/libKF5WaylandServer.so.5
#2 0x00007f258a2c60b1 in KWayland::Server::DataOfferInterface::sendAllOffers()
() from /usr/lib/x86_64-linux-gnu/libKF5WaylandServer.so.5
#3 0x00007f258a2c4c1d in
KWayland::Server::DataDeviceInterface::Private::createDataOffer(KWayland::Server::DataSourceInterface*)
() from /usr/lib/x86_64-linux-gnu/libKF5WaylandServer.so.5
#4 0x00007f258a2c4dd4 in
KWayland::Server::DataDeviceInterface::sendSelection(KWayland::Server::DataDeviceInterface*)
() from /usr/lib/x86_64-linux-gnu/libKF5WaylandServer.so.5
#5 0x00007f258aaa84e8 in KWin::KeyboardInputRedirection::update
(this=<optimized out>) at /workspace/build/keyboard_input.cpp:187
#6 0x00007f258aaa8624 in
KWin::KeyboardInputRedirection::<lambda()>::operator() (__closure=0x3f9bb30) at
/workspace/build/keyboard_input.cpp:137
#7 QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void,
KWin::KeyboardInputRedirection::init()::<lambda()> >::call (arg=<optimized
out>, f=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:130
#8 QtPrivate::Functor<KWin::KeyboardInputRedirection::init()::<lambda()>,
0>::call<QtPrivate::List<>, void> (arg=<optimized out>, f=...) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:240
#9
QtPrivate::QFunctorSlotObject<KWin::KeyboardInputRedirection::init()::<lambda()>,
0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *,
void **, bool *) (which=<optimized out>, this_=0x3f9bb20,
r=<optimized out>, a=<optimized out>, ret=<optimized out>) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qobject_impl.h:168
#10 0x00007f258928cf46 in QtPrivate::QSlotObjectBase::call (a=0x7fff3bc18580,
r=0x20ef650, this=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:101
#11 QMetaObject::activate (sender=sender@entry=0x3f8c0e0,
signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=5,
argv=argv@entry=0x7fff3bc18580) at kernel/qobject.cpp:3749
#12 0x00007f258928d527 in QMetaObject::activate (sender=sender@entry=0x3f8c0e0,
m=m@entry=0x7f258aec8c20 <KWin::Workspace::staticMetaObject>,
local_signal_index=local_signal_index@entry=5, argv=argv@entry=0x7fff3bc18580)
at kernel/qobject.cpp:3628
#13 0x00007f258ac0c4e2 in KWin::Workspace::clientActivated
(this=this@entry=0x3f8c0e0, _t1=0x439ed40) at
/workspace/build/obj-x86_64-linux-gnu/moc_workspace.cpp:716
#14 0x00007f258aaf566d in KWin::Workspace::setActiveClient (this=0x3f8c0e0,
c=0x439ed40) at /workspace/build/activation.cpp:275
#15 0x00007f258aa72f46 in KWin::AbstractClient::setActive
(this=this@entry=0x439ed40, act=act@entry=true) at
/workspace/build/abstract_client.cpp:206
#16 0x00007f258aad7d75 in KWin::Client::focusInEvent (this=0x439ed40,
e=<optimized out>) at /workspace/build/events.cpp:1296
#17 0x00007f258aad9193 in KWin::Client::windowEvent (this=0x439ed40,
e=e@entry=0x49de6c0) at /workspace/build/events.cpp:725
#18 0x00007f258aada8aa in KWin::Workspace::workspaceEvent (this=<optimized
out>, e=0x49de6c0) at /workspace/build/events.cpp:349
#19 0x00007f258925d3af in QAbstractEventDispatcher::filterNativeEvent
(this=<optimized out>, eventType=..., message=message@entry=0x49de6c0,
result=result@entry=0x7fff3bc188c0) at kernel/qabstracteventdispatcher.cpp:467
#20 0x0000000000409056 in KWin::ApplicationWayland::<lambda()>::operator()
(__closure=<optimized out>) at /workspace/build/main_wayland.cpp:176
#21 QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void,
KWin::ApplicationWayland::continueStartupWithX()::<lambda()> >::call
(arg=<optimized out>, f=...) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:130
#22
QtPrivate::Functor<KWin::ApplicationWayland::continueStartupWithX()::<lambda()>,
0>::call<QtPrivate::List<>, void> (arg=<optimized out>, f=...) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:240
#23
QtPrivate::QFunctorSlotObject<KWin::ApplicationWayland::continueStartupWithX()::<lambda()>,
0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *,
void **, bool *) (which=<optimized out>, this_=0x2356b10,
r=<optimized out>, a=<optimized out>, ret=<optimized out>) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qobject_impl.h:168
#24 0x00007f258928cf46 in QtPrivate::QSlotObjectBase::call (a=0x7fff3bc189c0,
r=0x7fff3bc18eb0, this=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:101
#25 QMetaObject::activate (sender=sender@entry=0x208d240,
signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=1,
argv=argv@entry=0x0) at kernel/qobject.cpp:3749
#26 0x00007f258928d527 in QMetaObject::activate (sender=sender@entry=0x208d240,
m=m@entry=0x7f2589517380 <QAbstractEventDispatcher::staticMetaObject>,
local_signal_index=local_signal_index@entry=1, argv=argv@entry=0x0)
at kernel/qobject.cpp:3628
#27 0x00007f258925cb13 in QAbstractEventDispatcher::awake
(this=this@entry=0x208d240) at .moc/moc_qabstracteventdispatcher.cpp:145
#28 0x00007f25892b27da in QEventDispatcherUNIX::processEvents (this=0x208d240,
flags=...) at kernel/qeventdispatcher_unix.cpp:465
#29 0x00007f2573148ccd in
QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/KWinQpaPlugin.so
#30 0x00007f258925e7ca in QEventLoop::exec (this=this@entry=0x7fff3bc18b80,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#31 0x00007f2589267704 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1291
#32 0x00007f25830d12ec in QGuiApplication::exec () at
kernel/qguiapplication.cpp:1679
#33 0x00007f2589679355 in QApplication::exec () at kernel/qapplication.cpp:2905
#34 0x0000000000408928 in main (argc=4, argv=<optimized out>) at
/workspace/build/main_wayland.cpp:763
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