https://bugs.kde.org/show_bug.cgi?id=429965
Bug ID: 429965
Summary: kwin_wayland crashes when I close an app with middle
click on task manager
Product: kwin
Version: git master
Platform: Neon Packages
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: bugsefor...@gmx.com
Target Milestone: ---
STEPS TO REPRODUCE
1. set task manager to close apps on middle click
2. open any app
3. close the app with middle click on task manager
OBSERVED RESULT
kwin_wayland crashes
EXPECTED RESULT
no crash
SOFTWARE/OS VERSIONS
Operating System: KDE neon Unstable Edition
KDE Plasma Version: 5.20.80
KDE Frameworks Version: 5.77.0
Qt Version: 5.15.1
Thread 11 (Thread 4917.5331):
#0 0x00007f5d879dd5ce in epoll_wait (epfd=94,
events=events@entry=0x7f5d571a88f0, maxevents=32, timeout=-1) at
../sysdeps/unix/sysv/linux/epoll_wait.c:30
#1 0x00007f5d5579f0fb in impl_pollfd_wait (object=<optimized out>,
pfd=<optimized out>, ev=0x7f5d571a8aa0, n_ev=<optimized out>,
timeout=<optimized out>) at ../spa/plugins/support/system.c:154
#2 0x00007f5d55793114 in loop_iterate (object=0x559d7d78c6a8, timeout=-1) at
../spa/plugins/support/loop.c:289
#3 0x00007f5d89b236e0 in ?? () from
target:/lib/x86_64-linux-gnu/libpipewire-0.3.so.0
#4 0x00007f5d87d58609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#5 0x00007f5d879dd293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 10 (Thread 4917.4929):
#0 futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x7f5d87784fd8 <QTWTF::pageheap_memory+57592>) at
../sysdeps/nptl/futex-internal.h:183
#1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f5d87784f88
<QTWTF::pageheap_memory+57512>, cond=0x7f5d87784fb0
<QTWTF::pageheap_memory+57552>) at pthread_cond_wait.c:508
#2 __pthread_cond_wait (cond=cond@entry=0x7f5d87784fb0
<QTWTF::pageheap_memory+57552>, mutex=mutex@entry=0x7f5d87784f88
<QTWTF::pageheap_memory+57512>) at pthread_cond_wait.c:638
#3 0x00007f5d8768763a in QTWTF::TCMalloc_PageHeap::scavengerThread
(this=0x7f5d87776ee0 <QTWTF::pageheap_memory>) at
../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#4 0x00007f5d8768765f in QTWTF::TCMalloc_PageHeap::runScavengerThread
(context=<optimized out>) at
../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#5 0x00007f5d87d58609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6 0x00007f5d879dd293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 9 (Thread 4917.4926):
#0 0x00007f5d879d0aff in __GI___poll (fds=0x7f5d50004e60, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f5d858db1ae in ?? () from
target:/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f5d858db2e3 in g_main_context_iteration () from
target:/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f5d8807e232 in QEventDispatcherGlib::processEvents
(this=0x7f5d50000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#4 0x00007f5d8802243b in QEventLoop::exec (this=this@entry=0x7f5d5d055cc0,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#5 0x00007f5d87e3e982 in QThread::exec (this=this@entry=0x559d7d2ecc60) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#6 0x00007f5d86b44d69 in QQmlThreadPrivate::run (this=0x559d7d2ecc60) at
qml/ftw/qqmlthread.cpp:155
#7 0x00007f5d87e3fb1c in QThreadPrivate::start (arg=0x559d7d2ecc60) at
thread/qthread_unix.cpp:329
#8 0x00007f5d87d58609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9 0x00007f5d879dd293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 8 (Thread 4917.4924):
#0 futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x559d7c98d728) at ../sysdeps/nptl/futex-internal.h:183
#1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x559d7c98d6d8,
cond=0x559d7c98d700) at pthread_cond_wait.c:508
#2 __pthread_cond_wait (cond=cond@entry=0x559d7c98d700,
mutex=mutex@entry=0x559d7c98d6d8) at pthread_cond_wait.c:638
#3 0x00007f5d7a54197b in cnd_wait (mtx=0x559d7c98d6d8, cond=0x559d7c98d700) at
../include/c11/threads_posix.h:155
#4 util_queue_thread_func (input=input@entry=0x559d7c7aded0) at
../src/util/u_queue.c:275
#5 0x00007f5d7a54158b in impl_thrd_routine (p=<optimized out>) at
../include/c11/threads_posix.h:87
#6 0x00007f5d87d58609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#7 0x00007f5d879dd293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 7 (Thread 4917.4923):
#0 futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x559d7c98d728) at ../sysdeps/nptl/futex-internal.h:183
#1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x559d7c98d6d8,
cond=0x559d7c98d700) at pthread_cond_wait.c:508
#2 __pthread_cond_wait (cond=cond@entry=0x559d7c98d700,
mutex=mutex@entry=0x559d7c98d6d8) at pthread_cond_wait.c:638
#3 0x00007f5d7a54197b in cnd_wait (mtx=0x559d7c98d6d8, cond=0x559d7c98d700) at
../include/c11/threads_posix.h:155
#4 util_queue_thread_func (input=input@entry=0x559d7c6e5810) at
../src/util/u_queue.c:275
#5 0x00007f5d7a54158b in impl_thrd_routine (p=<optimized out>) at
../include/c11/threads_posix.h:87
#6 0x00007f5d87d58609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#7 0x00007f5d879dd293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 6 (Thread 4917.4922):
#0 futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x559d7c98d728) at ../sysdeps/nptl/futex-internal.h:183
#1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x559d7c98d6d8,
cond=0x559d7c98d700) at pthread_cond_wait.c:508
#2 __pthread_cond_wait (cond=cond@entry=0x559d7c98d700,
mutex=mutex@entry=0x559d7c98d6d8) at pthread_cond_wait.c:638
#3 0x00007f5d7a54197b in cnd_wait (mtx=0x559d7c98d6d8, cond=0x559d7c98d700) at
../include/c11/threads_posix.h:155
#4 util_queue_thread_func (input=input@entry=0x559d7c75de50) at
../src/util/u_queue.c:275
#5 0x00007f5d7a54158b in impl_thrd_routine (p=<optimized out>) at
../include/c11/threads_posix.h:87
#6 0x00007f5d87d58609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#7 0x00007f5d879dd293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 5 (Thread 4917.4921):
#0 futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x559d7c98d728) at ../sysdeps/nptl/futex-internal.h:183
#1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x559d7c98d6d8,
cond=0x559d7c98d700) at pthread_cond_wait.c:508
#2 __pthread_cond_wait (cond=cond@entry=0x559d7c98d700,
mutex=mutex@entry=0x559d7c98d6d8) at pthread_cond_wait.c:638
#3 0x00007f5d7a54197b in cnd_wait (mtx=0x559d7c98d6d8, cond=0x559d7c98d700) at
../include/c11/threads_posix.h:155
#4 util_queue_thread_func (input=input@entry=0x559d7c7b37d0) at
../src/util/u_queue.c:275
#5 0x00007f5d7a54158b in impl_thrd_routine (p=<optimized out>) at
../include/c11/threads_posix.h:87
#6 0x00007f5d87d58609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#7 0x00007f5d879dd293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 4 (Thread 4917.4920):
#0 0x00007f5d879d0aff in __GI___poll (fds=0x7f5d70004630, nfds=2, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f5d858db1ae in ?? () from
target:/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f5d858db2e3 in g_main_context_iteration () from
target:/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f5d8807e232 in QEventDispatcherGlib::processEvents
(this=0x7f5d70000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#4 0x00007f5d8802243b in QEventLoop::exec (this=this@entry=0x7f5d7bffece0,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#5 0x00007f5d87e3e982 in QThread::exec (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#6 0x00007f5d87e3fb1c in QThreadPrivate::start (arg=0x559d7c7144c0) at
thread/qthread_unix.cpp:329
#7 0x00007f5d87d58609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#8 0x00007f5d879dd293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 3 (Thread 4917.4919):
#0 0x00007f5d879d0aff in __GI___poll (fds=0x7f5d74005240, nfds=2, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f5d858db1ae in ?? () from
target:/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f5d858db2e3 in g_main_context_iteration () from
target:/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f5d8807e232 in QEventDispatcherGlib::processEvents
(this=0x7f5d74000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#4 0x00007f5d8802243b in QEventLoop::exec (this=this@entry=0x7f5d80e89ce0,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#5 0x00007f5d87e3e982 in QThread::exec (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#6 0x00007f5d87e3fb1c in QThreadPrivate::start (arg=0x559d7c712800) at
thread/qthread_unix.cpp:329
#7 0x00007f5d87d58609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#8 0x00007f5d879dd293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 2 (Thread 4917.4918):
#0 0x00007f5d879d0aff in __GI___poll (fds=0x7f5d7c0176f0, nfds=5, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f5d858db1ae in ?? () from
target:/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f5d858db2e3 in g_main_context_iteration () from
target:/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f5d8807e232 in QEventDispatcherGlib::processEvents
(this=0x7f5d7c000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#4 0x00007f5d8802243b in QEventLoop::exec (this=this@entry=0x7f5d8171dcb0,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#5 0x00007f5d87e3e982 in QThread::exec (this=this@entry=0x7f5d89385d80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#6 0x00007f5d89301f4b in QDBusConnectionManager::run (this=0x7f5d89385d80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
qdbusconnection.cpp:179
#7 0x00007f5d87e3fb1c in QThreadPrivate::start (arg=0x7f5d89385d80 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread_unix.cpp:329
#8 0x00007f5d87d58609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9 0x00007f5d879dd293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 1 (Thread 4917.4917):
#0 0x0000559d00000001 in ?? ()
#1 0x00007f5d89b56f97 in pw_stream_destroy () from
target:/lib/x86_64-linux-gnu/libpipewire-0.3.so.0
#2 0x0000559d7b2b88f1 in KWin::PipeWireStream::~PipeWireStream
(this=0x559d7c848170, __in_chrg=<optimized out>) at
./screencast/pipewirestream.cpp:189
#3 0x0000559d7b2b28ea in KWin::WindowStream::~WindowStream
(this=0x559d7c848170, __in_chrg=<optimized out>) at
./screencast/screencastmanager.cpp:40
#4 KWin::WindowStream::~WindowStream (this=0x559d7c848170,
__in_chrg=<optimized out>) at ./screencast/screencastmanager.cpp:40
#5 0x00007f5d8805a94e in QtPrivate::QSlotObjectBase::call (a=0x7ffef71f9c30,
r=0x559d7c827280, this=0x559d7c818d70) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#6 doActivate<false> (sender=0x559d7c848170, signal_index=5,
argv=0x7ffef71f9c30) at kernel/qobject.cpp:3886
#7 0x00007f5d8805a94e in QtPrivate::QSlotObjectBase::call (a=0x7ffef71f9d70,
r=0x559d7c848170, this=0x559d7d7a34c0) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#8 doActivate<false> (sender=0x559d7c855be0, signal_index=9,
argv=0x7ffef71f9d70) at kernel/qobject.cpp:3886
#9 0x00007f5d88053d17 in QMetaObject::activate
(sender=sender@entry=0x559d7c855be0, m=m@entry=0x7f5d89ae6da0
<KWin::Toplevel::staticMetaObject>,
local_signal_index=local_signal_index@entry=6, argv=argv@entry=0x7ffef71f9d70)
at kernel/qobject.cpp:3946
#10 0x00007f5d8982b082 in KWin::Toplevel::windowClosed
(this=this@entry=0x559d7c855be0, _t1=<optimized out>, _t1@entry=0x559d7c855be0,
_t2=<optimized out>, _t2@entry=0x559d7c7eb250) at
./obj-x86_64-linux-gnu/kwin_autogen/EWIEGA46WW/moc_toplevel.cpp:822
#11 0x00007f5d899f24d4 in KWin::XdgSurfaceClient::destroyClient
(this=0x559d7c855be0) at ./xdgshellclient.cpp:338
#12 0x00007f5d8805a94e in QtPrivate::QSlotObjectBase::call (a=0x7ffef71f9eb0,
r=0x559d7c855be0, this=0x559d7c7f3ba0) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#13 doActivate<false> (sender=0x559d7c80ffa0, signal_index=0,
argv=0x7ffef71f9eb0) at kernel/qobject.cpp:3886
#14 0x00007f5d88053d17 in QMetaObject::activate
(sender=sender@entry=0x559d7c80ffa0, m=m@entry=0x7f5d882b2b20
<QObject::staticMetaObject>, local_signal_index=local_signal_index@entry=0,
argv=argv@entry=0x7ffef71f9eb0) at kernel/qobject.cpp:3946
#15 0x00007f5d88053dd3 in QObject::destroyed (this=this@entry=0x559d7c80ffa0,
_t1=<optimized out>, _t1@entry=0x559d7c80ffa0) at .moc/moc_qobject.cpp:219
#16 0x00007f5d88058ba5 in QObject::~QObject (this=<optimized out>,
__in_chrg=<optimized out>) at kernel/qobject.cpp:992
#17 0x00007f5d8948354d in
KWaylandServer::XdgToplevelInterface::~XdgToplevelInterface
(this=0x559d7c80ffa0, __in_chrg=<optimized out>) at
./src/server/xdgshell_interface.cpp:529
#18 0x00007f5d894b79e0 in QtWaylandServer::xdg_toplevel::destroy_func
(client_resource=<optimized out>) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qmap.h:212
#19 0x00007f5d862ac5bf in destroy_resource
(element=element@entry=0x559d7d732420, data=data@entry=0x0, flags=0) at
../src/wayland-server.c:724
#20 0x00007f5d862ac644 in wl_resource_destroy (resource=0x559d7d732420) at
../src/wayland-server.c:741
#21 0x00007f5d84c24ff5 in ffi_call_unix64 () at ../src/x86/unix64.S:101
#22 0x00007f5d84c2440a in ffi_call_int (cif=<optimized out>, fn=<optimized
out>, rvalue=<optimized out>, avalue=<optimized out>, closure=<optimized out>)
at ../src/x86/ffi64.c:669
#23 0x00007f5d862b0628 in wl_closure_invoke
(closure=closure@entry=0x559d7d52c880, flags=flags@entry=2, target=<optimized
out>, target@entry=0x559d7d732420, opcode=opcode@entry=0, data=<optimized out>,
data@entry=0x559d7d736240) at ../src/connection.c:1018
#24 0x00007f5d862ac9e2 in wl_client_connection_data (fd=<optimized out>,
mask=<optimized out>, data=0x559d7d736240) at ../src/wayland-server.c:432
#25 0x00007f5d862ae65a in wl_event_loop_dispatch (loop=0x559d7c6cf550,
timeout=timeout@entry=0) at ../src/event-loop.c:1027
#26 0x00007f5d8943e4a3 in KWaylandServer::Display::Private::dispatch
(this=<optimized out>) at ./src/server/display.cpp:136
#27 0x00007f5d8805a94e in QtPrivate::QSlotObjectBase::call (a=0x7ffef71fa710,
r=0x559d7c6f8fe0, this=0x559d7d3bb400) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#28 doActivate<false> (sender=0x559d7d3bb680, signal_index=3,
argv=0x7ffef71fa710) at kernel/qobject.cpp:3886
#29 0x00007f5d88053d17 in QMetaObject::activate
(sender=sender@entry=0x559d7d3bb680, m=m@entry=0x7f5d882bbb60
<QSocketNotifier::staticMetaObject>,
local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffef71fa710)
at kernel/qobject.cpp:3946
#30 0x00007f5d8805e9c3 in QSocketNotifier::activated
(this=this@entry=0x559d7d3bb680, _t1=..., _t2=<optimized out>, _t3=...) at
.moc/moc_qsocketnotifier.cpp:178
#31 0x00007f5d8805f163 in QSocketNotifier::event (this=0x559d7d3bb680,
e=0x7ffef71fa9e0) at kernel/qsocketnotifier.cpp:302
#32 0x00007f5d88c9eda3 in QApplicationPrivate::notify_helper
(this=this@entry=0x559d7c6bca50, receiver=receiver@entry=0x559d7d3bb680,
e=e@entry=0x7ffef71fa9e0) at kernel/qapplication.cpp:3630
#33 0x00007f5d88ca7b98 in QApplication::notify (this=0x7ffef71fadc0,
receiver=0x559d7d3bb680, e=0x7ffef71fa9e0) at kernel/qapplication.cpp:3154
#34 0x00007f5d8802392a in QCoreApplication::notifyInternal2
(receiver=0x559d7d3bb680, event=0x7ffef71fa9e0) at
../../include/QtCore/5.15.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#35 0x00007f5d8807b45b in QEventDispatcherUNIXPrivate::activateSocketNotifiers
(this=0x559d7c6c9260) at kernel/qeventdispatcher_unix.cpp:304
#36 0x00007f5d8807b8bb in QEventDispatcherUNIX::processEvents (this=<optimized
out>, flags=...) at kernel/qeventdispatcher_unix.cpp:511
#37 0x0000559d7b3038e1 in
QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
()
#38 0x00007f5d8802243b in QEventLoop::exec (this=this@entry=0x7ffef71fab70,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#39 0x00007f5d8802a5e4 in QCoreApplication::exec () at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#40 0x0000559d7b2957cc in main (argc=<optimized out>, argv=<optimized out>) at
./main_wayland.cpp:704
Detaching from program: target:/usr/bin/kwin_wayland, process 4917
Ending remote debugging.
[Inferior 1 (process 4917) detached]
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