https://bugs.kde.org/show_bug.cgi?id=470082
Bug ID: 470082
Summary: kwin_wayland crashes in
KWin::ScreenCastStream::createStream
Classification: Plasma
Product: kwin
Version: master
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: nicolas.fe...@gmx.de
Target Milestone: ---
If I remember correctly I was clicking on something in the task manager
#0 node_export (core=0x3a21790, object=0x38e4490, do_free=<optimized out>,
user_data_size=<optimized out>) at
../src/modules/module-client-node/remote-node.c:1253
#1 0x00007fdc6c0574c9 in pw_core_export (core=0x3a21790, type=0x7fdc6c0b0d46
"PipeWire:Interface:Node", props=0x0, object=0x38e4490, user_data_size=0) at
../src/pipewire/core.c:279
#2 0x00007fdc6c0a15c8 in pw_stream_connect (stream=0x38f1000,
direction=<optimized out>, target_id=<optimized out>, flags=<optimized out>,
params=<optimized out>, n_params=<optimized out>) at
../src/pipewire/stream.c:2051
#3 0x00007fdc6c13a192 in KWin::ScreenCastStream::createStream()
(this=this@entry=0x3a7b530) at /usr/include/qt6/QtCore/qarraydatapointer.h:104
#4 0x00007fdc6c13a7de in KWin::ScreenCastStream::init()
(this=this@entry=0x3a7b530) at
/home/nico/kde6/src/kwin/src/plugins/screencast/screencaststream.cpp:350
#5 0x00007fdc6c131d3e in
KWin::ScreencastManager::integrateStreams(KWaylandServer::ScreencastStreamV1Interface*,
KWin::ScreenCastStream*) (this=<optimized out>, waylandStream=0x3a79060,
stream=0x3a7b530)
at
/home/nico/kde6/src/kwin/src/plugins/screencast/screencastmanager.cpp:219
#6 0x00007fdc957dd894 in QtPrivate::QSlotObjectBase::call(QObject*, void**)
(a=0x7ffce2407160, r=0x242a1c0, this=0x2104a80) at
/usr/src/debug/qt6-qtbase-6.5.0-2.fc38.x86_64/src/corelib/kernel/qobjectdefs_impl.h:363
#7 doActivate<false>(QObject*, int, void**) (sender=0x242a1e0, signal_index=5,
argv=0x7ffce2407160) at
/usr/src/debug/qt6-qtbase-6.5.0-2.fc38.x86_64/src/corelib/kernel/qobject.cpp:3992
#8 0x00007fdc957d4317 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**)
(sender=<optimized out>, m=m@entry=0x7fdc99550b80
<KWaylandServer::ScreencastV1Interface::staticMetaObject>,
local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7ffce2407160)
at
/usr/src/debug/qt6-qtbase-6.5.0-2.fc38.x86_64/src/corelib/kernel/qobject.cpp:4052
#9 0x00007fdc9905a425 in
KWaylandServer::ScreencastV1Interface::windowScreencastRequested(KWaylandServer::ScreencastStreamV1Interface*,
QString const&, KWaylandServer::ScreencastV1Interface::CursorMode)
(this=<optimized out>, _t1=<optimized out>, _t2=<optimized out>,
_t3=<optimized out>) at
/home/nico/kde6/build/kwin/src/kwin_autogen/IEXH3JLKNG/moc_screencast_v1_interface.cpp:459
#10 0x00007fdc990316a3 in
QtWaylandServer::zkde_screencast_unstable_v1::handle_stream_window(wl_client*,
wl_resource*, unsigned int, char const*, unsigned int)
(client=<optimized out>, resource=<optimized out>, stream=303,
window_uuid=0x3c0a630 "{e7fbc476-257f-415b-b317-f5c6f923f12e}", pointer=1) at
/home/nico/kde6/build/kwin/src/wayland/qwayland-server-zkde-screencast-unstable-v1.cpp:262
#11 0x00007fdc94a12be6 in ffi_call_unix64 () at ../src/x86/unix64.S:104
#12 0x00007fdc94a0f4bf in ffi_call_int (cif=cif@entry=0x7ffce24073e0,
fn=<optimized out>, rvalue=<optimized out>, avalue=<optimized out>,
closure=closure@entry=0x0) at ../src/x86/ffi64.c:673
#13 0x00007fdc94a1218e in ffi_call (cif=cif@entry=0x7ffce24073e0, fn=<optimized
out>, rvalue=rvalue@entry=0x0, avalue=avalue@entry=0x7ffce24074b0) at
../src/x86/ffi64.c:710
#14 0x00007fdc97aa6581 in wl_closure_invoke (closure=closure@entry=0x3c0a550,
flags=flags@entry=2, target=<optimized out>, target@entry=0x38d49d0,
opcode=opcode@entry=1, data=<optimized out>, data@entry=0x35721f0)
at ../../src/wayland/src/connection.c:1025
#15 0x00007fdc97aa1ae3 in wl_client_connection_data (fd=<optimized out>,
mask=<optimized out>, data=0x35721f0) at
../../src/wayland/src/wayland-server.c:438
#16 0x00007fdc97aa46b2 in wl_event_loop_dispatch (loop=0x1f84600,
timeout=<optimized out>) at ../../src/wayland/src/event-loop.c:1104
#17 0x00007fdc99344924 in KWaylandServer::Display::dispatchEvents()
(this=<optimized out>) at /home/nico/kde6/src/kwin/src/wayland/display.cpp:113
#18 0x00007fdc957dd894 in QtPrivate::QSlotObjectBase::call(QObject*, void**)
(a=0x7ffce2407960, r=0x1f842e0, this=0x24b9a20) at
/usr/src/debug/qt6-qtbase-6.5.0-2.fc38.x86_64/src/corelib/kernel/qobjectdefs_impl.h:363
#19 doActivate<false>(QObject*, int, void**) (sender=0x1ef9bb0, signal_index=3,
argv=0x7ffce2407960) at
/usr/src/debug/qt6-qtbase-6.5.0-2.fc38.x86_64/src/corelib/kernel/qobject.cpp:3992
#20 0x00007fdc957d4317 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**)
(sender=sender@entry=0x1ef9bb0, m=m@entry=0x7fdc95c080a0
<QSocketNotifier::staticMetaObject>,
local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffce2407960)
at
/usr/src/debug/qt6-qtbase-6.5.0-2.fc38.x86_64/src/corelib/kernel/qobject.cpp:4052
#21 0x00007fdc957ed79d in QSocketNotifier::activated(QSocketDescriptor,
QSocketNotifier::Type, QSocketNotifier::QPrivateSignal)
(this=this@entry=0x1ef9bb0, _t1=..., _t2=<optimized out>, _t3=...)
at
/usr/src/debug/qt6-qtbase-6.5.0-2.fc38.x86_64/redhat-linux-build/src/corelib/Core_autogen/include/moc_qsocketnotifier.cpp:231
#22 0x00007fdc957edf9b in QSocketNotifier::event(QEvent*) (this=0x1ef9bb0,
e=<optimized out>) at
/usr/src/debug/qt6-qtbase-6.5.0-2.fc38.x86_64/src/corelib/kernel/qsocketnotifier.cpp:326
#23 0x00007fdc96bc09c8 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
(this=<optimized out>, receiver=0x1ef9bb0, e=0x7ffce2407ab0) at
/usr/src/debug/qt6-qtbase-6.5.0-2.fc38.x86_64/src/widgets/kernel/qapplication.cpp:3284
#24 0x00007fdc9577bfc8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
(receiver=0x1ef9bb0, event=0x7ffce2407ab0) at
/usr/src/debug/qt6-qtbase-6.5.0-2.fc38.x86_64/src/corelib/kernel/qcoreapplication.cpp:1115
#25 0x00007fdc9577c1cd in QCoreApplication::sendEvent(QObject*, QEvent*)
(receiver=<optimized out>, event=<optimized out>) at
/usr/src/debug/qt6-qtbase-6.5.0-2.fc38.x86_64/src/corelib/kernel/qcoreapplication.cpp:1533
#26 0x00007fdc958fbece in
QEventDispatcherUNIXPrivate::activateSocketNotifiers()
(this=this@entry=0x1f65bc0) at
/usr/src/debug/qt6-qtbase-6.5.0-2.fc38.x86_64/src/corelib/kernel/qeventdispatcher_unix.cpp:268
#27 0x00007fdc958fc7f7 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=<optimized out>, flags=...) at
/usr/src/debug/qt6-qtbase-6.5.0-2.fc38.x86_64/src/corelib/kernel/qeventdispatcher_unix.cpp:477
#28 0x00007fdc96543232 in
QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=<optimized out>, flags=...)
at
/usr/src/debug/qt6-qtbase-6.5.0-2.fc38.x86_64/src/gui/platform/unix/qunixeventdispatcher.cpp:27
#29 0x00007fdc95788ac3 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7ffce2407c70, flags=..., flags@entry=...) at
/usr/src/debug/qt6-qtbase-6.5.0-2.fc38.x86_64/src/corelib/global/qflags.h:34
#30 0x00007fdc9578476d in QCoreApplication::exec() () at
/usr/src/debug/qt6-qtbase-6.5.0-2.fc38.x86_64/src/corelib/global/qflags.h:74
#31 0x00007fdc95ff888d in QGuiApplication::exec() () at
/usr/src/debug/qt6-qtbase-6.5.0-2.fc38.x86_64/src/gui/kernel/qguiapplication.cpp:1886
#32 0x00007fdc96bc0939 in QApplication::exec() () at
/usr/src/debug/qt6-qtbase-6.5.0-2.fc38.x86_64/src/widgets/kernel/qapplication.cpp:2564
#33 0x00000000004362d8 in main(int, char**) (argc=<optimized out>,
argv=<optimized out>) at /home/nico/kde6/src/kwin/src/main_wayland.cpp:613
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