https://bugs.kde.org/show_bug.cgi?id=400311
Bug ID: 400311
Summary: Wayland crashes when I click "Copy to clipboard"
button in Info Center
Product: kwin
Version: 5.13.90
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: ---
Cannot reproduce all the time, crash occurs randomly.
Thread 1 "kwin_wayland" received signal SIGSEGV, Segmentation fault.
KWayland::Server::DataSourceInterface::d_func (this=0x0) at
./src/server/datasource_interface.cpp:161
161 ./src/server/datasource_interface.cpp: No such file or directory.
(gdb) thread apply all bt
Thread 9 (Thread 5817.5842):
#0 0x00007f178e6999f3 in futex_wait_cancelable (private=<optimized out>,
expected=0,
futex_word=0x7f178c0bbfb8 <QTWTF::pageheap_memory+57592>) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 __pthread_cond_wait_common (abstime=0x0, mutex=0x7f178c0bbf68
<QTWTF::pageheap_memory+57512>,
cond=0x7f178c0bbf90 <QTWTF::pageheap_memory+57552>) at
pthread_cond_wait.c:502
#2 __pthread_cond_wait (cond=cond@entry=0x7f178c0bbf90
<QTWTF::pageheap_memory+57552>,
mutex=mutex@entry=0x7f178c0bbf68 <QTWTF::pageheap_memory+57512>) at
pthread_cond_wait.c:655
#3 0x00007f178bdc6954 in QTWTF::TCMalloc_PageHeap::scavengerThread
(this=0x7f178c0adec0 <QTWTF::pageheap_memory>)
at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#4 0x00007f178bdc6999 in QTWTF::TCMalloc_PageHeap::runScavengerThread
(context=<optimized out>)
at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#5 0x00007f178e6936db in start_thread (arg=0x7f17509e5700) at
pthread_create.c:463
#6 0x00007f178c74188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 8 (Thread 5817.5840):
#0 0x00007f178e6999f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x558aaffb45f0)
at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 __pthread_cond_wait_common (abstime=0x0, mutex=0x558aaffb45a0,
cond=0x558aaffb45c8) at pthread_cond_wait.c:502
#2 __pthread_cond_wait (cond=cond@entry=0x558aaffb45c8,
mutex=mutex@entry=0x558aaffb45a0) at pthread_cond_wait.c:655
#3 0x00007f178d07294b in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0x558aaffb45a0)
at thread/qwaitcondition_unix.cpp:143
#4 QWaitCondition::wait (this=this@entry=0x558aaffb43e0,
mutex=mutex@entry=0x558aaffb43d8, time=time@entry=18446744073709551615)
at thread/qwaitcondition_unix.cpp:215
#5 0x00007f17521f522b in FileInfoThread::run (this=0x558aaffb43c8) at
fileinfothread.cpp:227
#6 0x00007f178d071adb in QThreadPrivate::start (arg=0x558aaffb43c8) at
thread/qthread_unix.cpp:367
#7 0x00007f178e6936db in start_thread (arg=0x7f17519e7700) at
pthread_create.c:463
#8 0x00007f178c74188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 7 (Thread 5817.5839):
#0 syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1 0x00007f178d065594 in QtLinuxFutex::_q_futex (val3=0, addr2=0x0, val2=0,
val=<optimized out>, op=0, addr=<optimized out>)
at thread/qfutex_p.h:92
#2 QtLinuxFutex::futexWait<QBasicAtomicInteger<unsigned int> >
(expectedValue=<optimized out>, futex=...) at thread/qfutex_p.h:107
---Type <return> to continue, or q <return> to quit---
#3 futexSemaphoreTryAcquire_loop<false> (timeout=-1, nn=8589934593,
curValue=<optimized out>, u=...) at thread/qsemaphore.cpp:221
#4 futexSemaphoreTryAcquire<false> (timeout=-1, n=n@entry=1, u=...) at
thread/qsemaphore.cpp:264
#5 QSemaphore::acquire (this=this@entry=0x558ab007a638, n=n@entry=1) at
thread/qsemaphore.cpp:328
#6 0x00007f1775eb099b in QtVirtualKeyboard::HunspellWorker::run
(this=0x558ab007a620) at hunspellworker.cpp:293
#7 0x00007f178d071adb in QThreadPrivate::start (arg=0x558ab007a620) at
thread/qthread_unix.cpp:367
#8 0x00007f178e6936db in start_thread (arg=0x7f17521e8700) at
pthread_create.c:463
#9 0x00007f178c74188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 6 (Thread 5817.5838):
#0 0x00007f178c734bf9 in __GI___poll (fds=0x7f174c004660, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f17836c5439 in ?? () from
target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f17836c554c in g_main_context_iteration () from
target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f178d29751f in QEventDispatcherGlib::processEvents
(this=0x7f174c000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#4 0x00007f178d23b7fa in QEventLoop::exec (this=this@entry=0x7f1753e6fd40,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#5 0x00007f178d066bba in QThread::exec (this=this@entry=0x558aaff464a0) at
thread/qthread.cpp:525
#6 0x00007f17877c04f5 in QQmlThreadPrivate::run (this=0x558aaff464a0) at
qml/ftw/qqmlthread.cpp:148
#7 0x00007f178d071adb in QThreadPrivate::start (arg=0x558aaff464a0) at
thread/qthread_unix.cpp:367
#8 0x00007f178e6936db in start_thread (arg=0x7f1753e70700) at
pthread_create.c:463
#9 0x00007f178c74188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 5 (Thread 5817.5837):
#0 0x00007f178c734bf9 in __GI___poll (fds=0x7f1754003ce0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f17836c5439 in ?? () from
target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f17836c554c in g_main_context_iteration () from
target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f178d29751f in QEventDispatcherGlib::processEvents
(this=0x7f1754000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#4 0x00007f178d23b7fa in QEventLoop::exec (this=this@entry=0x7f17659cad40,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#5 0x00007f178d066bba in QThread::exec (this=this@entry=0x558aafe6a220) at
thread/qthread.cpp:525
#6 0x00007f17877c04f5 in QQmlThreadPrivate::run (this=0x558aafe6a220) at
qml/ftw/qqmlthread.cpp:148
#7 0x00007f178d071adb in QThreadPrivate::start (arg=0x558aafe6a220) at
thread/qthread_unix.cpp:367
#8 0x00007f178e6936db in start_thread (arg=0x7f17659cb700) at
pthread_create.c:463
#9 0x00007f178c74188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 4 (Thread 5817.5820):
#0 0x00007f178c734bf9 in __GI___poll (fds=0x7f17600046c0, nfds=2, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
---Type <return> to continue, or q <return> to quit---
#1 0x00007f17836c5439 in ?? () from
target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f17836c554c in g_main_context_iteration () from
target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f178d29751f in QEventDispatcherGlib::processEvents
(this=0x7f1760000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#4 0x00007f178d23b7fa in QEventLoop::exec (this=this@entry=0x7f176f7fdd60,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#5 0x00007f178d066bba in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:525
#6 0x00007f178d071adb in QThreadPrivate::start (arg=0x558aaf5827a0) at
thread/qthread_unix.cpp:367
#7 0x00007f178e6936db in start_thread (arg=0x7f176f7fe700) at
pthread_create.c:463
#8 0x00007f178c74188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 3 (Thread 5817.5819):
#0 0x00007f178c734bf9 in __GI___poll (fds=0x7f1768003ce0, nfds=2, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f17836c5439 in ?? () from
target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f17836c554c in g_main_context_iteration () from
target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f178d29751f in QEventDispatcherGlib::processEvents
(this=0x7f1768000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#4 0x00007f178d23b7fa in QEventLoop::exec (this=this@entry=0x7f176fffed60,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#5 0x00007f178d066bba in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:525
#6 0x00007f178d071adb in QThreadPrivate::start (arg=0x558aaf530730) at
thread/qthread_unix.cpp:367
#7 0x00007f178e6936db in start_thread (arg=0x7f176ffff700) at
pthread_create.c:463
#8 0x00007f178c74188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 2 (Thread 5817.5818):
#0 0x00007f178c734bf9 in __GI___poll (fds=0x7f1770011e90, nfds=6, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f17836c5439 in ?? () from
target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f17836c554c in g_main_context_iteration () from
target:/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f178d29751f in QEventDispatcherGlib::processEvents
(this=0x7f1770000b20, flags=...) at kernel/qeventdispatcher_glib.cpp:422
#4 0x00007f178d23b7fa in QEventLoop::exec (this=this@entry=0x7f177514bd30,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#5 0x00007f178d066bba in QThread::exec (
this=this@entry=0x7f178e68ad60 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread.cpp:525
#6 0x00007f178e412e45 in QDBusConnectionManager::run (
this=0x7f178e68ad60 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
qdbusconnection.cpp:178
#7 0x00007f178d071adb in QThreadPrivate::start (
arg=0x7f178e68ad60 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread_unix.cpp:367
#8 0x00007f178e6936db in start_thread (arg=0x7f177514c700) at
pthread_create.c:463
#9 0x00007f178c74188f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
---Type <return> to continue, or q <return> to quit---
Thread 1 (Thread 5817.5817):
#0 KWayland::Server::DataSourceInterface::d_func (this=0x0) at
./src/server/datasource_interface.cpp:161
#1 0x00007f178e90c702 in KWayland::Server::DataSourceInterface::requestData
(this=<optimized out>, mimeType=..., fd=fd@entry=116)
at ./src/server/datasource_interface.cpp:130
#2 0x00007f178e90ba95 in
KWayland::Server::DataOfferInterface::Private::receive (fd=116, mimeType=...,
this=<optimized out>)
at ./src/server/dataoffer_interface.cpp:72
#3 KWayland::Server::DataOfferInterface::Private::receiveCallback
(client=<optimized out>, resource=<optimized out>,
mimeType=0x558ab01e40cc "text/uri-list", fd=116) at
./src/server/dataoffer_interface.cpp:67
#4 0x00007f177ecabdae in ffi_call_unix64 () from
target:/usr/lib/x86_64-linux-gnu/libffi.so.6
#5 0x00007f177ecab71f in ffi_call () from
target:/usr/lib/x86_64-linux-gnu/libffi.so.6
#6 0x00007f17858594bb in ?? () from
target:/usr/lib/x86_64-linux-gnu/libwayland-server.so.0
#7 0x00007f1785855cff in ?? () from
target:/usr/lib/x86_64-linux-gnu/libwayland-server.so.0
#8 0x00007f1785857692 in wl_event_loop_dispatch () from
target:/usr/lib/x86_64-linux-gnu/libwayland-server.so.0
#9 0x00007f178e90d46e in KWayland::Server::Display::Private::dispatch
(this=<optimized out>) at ./src/server/display.cpp:142
#10 0x00007f178d26c67f in QtPrivate::QSlotObjectBase::call (a=0x7ffc90a172c0,
r=0x558aaf576af0, this=0x558aaf576d10)
at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:376
#11 QMetaObject::activate (sender=sender@entry=0x558aaf576cf0,
signalOffset=<optimized out>,
local_signal_index=local_signal_index@entry=0,
argv=argv@entry=0x7ffc90a172c0) at kernel/qobject.cpp:3754
#12 0x00007f178d26cc37 in QMetaObject::activate
(sender=sender@entry=0x558aaf576cf0,
m=m@entry=0x7f178d6c1c60 <QSocketNotifier::staticMetaObject>,
local_signal_index=local_signal_index@entry=0,
argv=argv@entry=0x7ffc90a172c0) at kernel/qobject.cpp:3633
#13 0x00007f178d278d58 in QSocketNotifier::activated
(this=this@entry=0x558aaf576cf0, _t1=<optimized out>, _t2=...)
at .moc/moc_qsocketnotifier.cpp:136
#14 0x00007f178d279112 in QSocketNotifier::event (this=0x558aaf576cf0,
e=0x7ffc90a17530) at kernel/qsocketnotifier.cpp:266
#15 0x00007f178d824e1c in QApplicationPrivate::notify_helper
(this=this@entry=0x558aaf5211c0, receiver=receiver@entry=0x558aaf576cf0,
e=e@entry=0x7ffc90a17530) at kernel/qapplication.cpp:3727
#16 0x00007f178d82c3ef in QApplication::notify (this=0x7ffc90a17920,
receiver=0x558aaf576cf0, e=0x7ffc90a17530)
at kernel/qapplication.cpp:3486
#17 0x00007f178d23d4d8 in QCoreApplication::notifyInternal2
(receiver=receiver@entry=0x558aaf576cf0, event=event@entry=0x7ffc90a17530)
at kernel/qcoreapplication.cpp:1048
#18 0x00007f178d2945f8 in QCoreApplication::sendEvent (event=0x7ffc90a17530,
receiver=<optimized out>)
at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#19 QEventDispatcherUNIXPrivate::activateSocketNotifiers
(this=this@entry=0x558aaf534cd0) at kernel/qeventdispatcher_unix.cpp:304
---Type <return> to continue, or q <return> to quit---
#20 0x00007f178d294c78 in QEventDispatcherUNIX::processEvents (this=<optimized
out>, flags=...)
at kernel/qeventdispatcher_unix.cpp:509
#21 0x00007f1778108fed in
QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
()
from target:/usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/KWinQpaPlugin.so
#22 0x00007f178d23b7fa in QEventLoop::exec (this=this@entry=0x7ffc90a176e0,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#23 0x00007f178d2449c0 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1336
#24 0x0000558aae53d897 in main (argc=<optimized out>, argv=<optimized out>) at
./main_wayland.cpp:807
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