Bug 2385973

Summary: [abrt] kwin: KCrash::defaultCrashHandler(): kwin_wayland killed by SIGSEGV
Product: [Fedora] Fedora Reporter: Mr. Beedell, Roke Julian Lockhart (RJLB) <8ru2u4gz>
Component: kwinAssignee: marcdeop
Status: CLOSED DUPLICATE QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 42CC: 8ru2u4gz, jgrulich, kde-sig, marcdeop, rdieter, suraj.ghimire7, than
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
URL: https://retrace.fedoraproject.org/faf/reports/bthash/a3ab222d5b68dae33f5d1f4313b786cbb745143
Whiteboard: abrt_hash:deedf87aa5a9e63ba75c5cc287d52d6492d178f7;VARIANT_ID=kde;
Fixed In Version: Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2025-08-01 16:11:08 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Attachments:
Description Flags
File: proc_pid_status
none
File: maps
none
File: limits
none
File: environ
none
File: open_fds
none
File: mountinfo
none
File: os_info
none
File: cpuinfo
none
File: core_backtrace
none
File: dso_list
none
File: var_log_messages
none
File: backtrace none

Description Mr. Beedell, Roke Julian Lockhart (RJLB) 2025-08-01 16:08:46 UTC 
Description of problem:
Like https://bugzilla.redhat.com/show_bug.cgi?id=2361453#c20, I reproduced https://bugzilla.redhat.com/show_bug.cgi?id=2385963#c0.

Version-Release number of selected component:
kwin-6.4.3-1.fc42

Additional info:
reporter:       libreport-2.17.15
type:           CCpp
reason:         kwin_wayland killed by SIGSEGV
journald_cursor: s=a2d6d580caa24cf3a9483be7f85033e4;i=1c8edc;b=5f07eb01675f4c0ebd0e6f0a0cf4b60c;m=2e2177ccb;t=63b4f9f67d87c;x=e264abd02183e142
executable:     /usr/bin/kwin_wayland
cmdline:        /usr/bin/kwin_wayland --wayland-fd 7 --socket wayland-0 --xwayland-fd 8 --xwayland-fd 9 --xwayland-display :0 --xwayland-xauthority /run/user/1000/xauth_olXIwA --xwayland
cgroup:         0::/user.slice/user-1000.slice/user/session.slice/plasma-kwin_wayland.service
rootdir:        /
uid:            1000
kernel:         6.15.8-200.fc42.x86_64
package:        kwin-6.4.3-1.fc42
runlevel:       N 5
backtrace_rating: 4
crash_function: KCrash::defaultCrashHandler
comment:        Like https://bugzilla.redhat.com/show_bug.cgi?id=2361453#c20, I reproduced https://bugzilla.redhat.com/show_bug.cgi?id=2385963#c0.

Truncated backtrace:
Thread no. 1 (61 frames)
 #3 KCrash::defaultCrashHandler at /usr/src/debug/kf6-kcrash-6.16.0-1.fc42.x86_64/src/kcrash.cpp:605
 #5 KWin::QPA::Window::swapchain at /usr/src/debug/kwin-6.4.3-1.fc42.x86_64/src/plugins/qpa/window.cpp:60
 #6 KWin::QPA::EGLPlatformContext::makeCurrent at /usr/src/debug/kwin-6.4.3-1.fc42.x86_64/src/plugins/qpa/eglplatformcontext.cpp:82
 #7 QOpenGLContext::makeCurrent at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/gui/kernel/qopenglcontext.cpp:680
 #8 QRhiGles2::ensureContext at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/gui/rhi/qrhigles2.cpp:670
 #9 QRhiGles2::create at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/gui/rhi/qrhigles2.cpp:761
 #10 QRhi::create at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/gui/rhi/qrhi.cpp:8900
 #11 QSGRhiSupport::createRhi at /usr/src/debug/qt6-qtdeclarative-6.9.1-3.fc42.x86_64/src/quick/scenegraph/qsgrhisupport.cpp:1172
 #12 QSGGuiThreadRenderLoop::ensureRhi at /usr/src/debug/qt6-qtdeclarative-6.9.1-3.fc42.x86_64/src/quick/scenegraph/qsgrenderloop.cpp:469
 #13 QSGGuiThreadRenderLoop::renderWindow at /usr/src/debug/qt6-qtdeclarative-6.9.1-3.fc42.x86_64/src/quick/scenegraph/qsgrenderloop.cpp:580
 #14 QWindow::event at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/gui/kernel/qwindow.cpp:2742
 #15 QApplicationPrivate::notify_helper at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/kernel/qapplication.cpp:3303
 #16 QCoreApplication::notifyInternal2 at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1106
 #17 QCoreApplication::sendSpontaneousEvent at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1560
 #18 QGuiApplicationPrivate::processExposeEvent at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/gui/kernel/qguiapplication.cpp:3480
 #19 QWindowSystemEventHandler::sendEvent at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/gui/kernel/qwindowsysteminterface.cpp:190
 #20 QWindowSystemHelper<QWindowSystemInterface::SynchronousDelivery>::handleEvent<QWindowSystemInterfacePrivate::ExposeEvent, QWindow*, QRegion> at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/gui/kernel/qwindowsysteminterface.cpp:102
 #22 QWindowSystemHelper<QWindowSystemInterface::DefaultDelivery>::handleEvent<QWindowSystemInterfacePrivate::ExposeEvent, QWindow*, QRegion> at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/gui/kernel/qwindowsysteminterface.cpp:80
 #23 handleWindowSystemEvent<QWindowSystemInterfacePrivate::ExposeEvent, QWindowSystemInterface::DefaultDelivery, QWindow*, QRegion> at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/gui/kernel/qwindowsysteminterface.cpp:138
 #24 QWindowSystemInterface::handleExposeEvent<QWindowSystemInterface::DefaultDelivery> at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/gui/kernel/qwindowsysteminterface.cpp:337
 #25 KWin::QPA::Window::map at /usr/src/debug/kwin-6.4.3-1.fc42.x86_64/src/plugins/qpa/window.cpp:157
 #26 KWin::QPA::Window::setVisible at /usr/src/debug/kwin-6.4.3-1.fc42.x86_64/src/plugins/qpa/window.cpp:92
 #27 QQuickWindowQmlImpl::componentComplete at /usr/src/debug/qt6-qtdeclarative-6.9.1-3.fc42.x86_64/src/quick/items/qquickwindowmodule.cpp:111
 #28 QQmlObjectCreator::finalize at /usr/src/debug/qt6-qtdeclarative-6.9.1-3.fc42.x86_64/src/qml/qml/qqmlobjectcreator.cpp:1597
 #29 QQmlComponentPrivate::complete at /usr/src/debug/qt6-qtdeclarative-6.9.1-3.fc42.x86_64/src/qml/qml/ftw/qbipointer_p.h:133
 #30 QQmlComponentPrivate::completeCreate at /usr/src/debug/qt6-qtdeclarative-6.9.1-3.fc42.x86_64/src/qml/qml/qqmlcomponent.cpp:1325
 #31 QQmlComponent::completeCreate at /usr/src/debug/qt6-qtdeclarative-6.9.1-3.fc42.x86_64/src/qml/qml/qqmlcomponent.cpp:1291
 #32 QQmlComponentPrivate::createWithProperties at /usr/src/debug/qt6-qtdeclarative-6.9.1-3.fc42.x86_64/src/qml/qml/qqmlcomponent.cpp:987
 #33 QQmlComponent::create at /usr/src/debug/qt6-qtdeclarative-6.9.1-3.fc42.x86_64/src/qml/qml/qqmlcomponent.cpp:932
 #34 KWin::OutlineVisual::show at /usr/src/debug/kwin-6.4.3-1.fc42.x86_64/src/outline.cpp:170
 #35 KWin::Outline::show at /usr/src/debug/kwin-6.4.3-1.fc42.x86_64/src/outline.cpp:47
 #36 QtPrivate::QSlotObjectBase::call at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobjectdefs_impl.h:461
 #37 doActivate<false> at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:4146
 #38 QMetaObject::activate at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:4206
 #39 QMetaObject::activate<void, bool> at /usr/include/qt6/QtCore/qobjectdefs.h:306
 #40 KWin::Compositor::compositingToggled at /usr/src/debug/kwin-6.4.3-1.fc42.x86_64/redhat-linux-build/src/kwin_autogen/include/moc_compositor.cpp:151
 #41 KWin::Compositor::stop at /usr/src/debug/kwin-6.4.3-1.fc42.x86_64/src/compositor.cpp:404
 #43 KWin::Compositor::reinitialize at /usr/src/debug/kwin-6.4.3-1.fc42.x86_64/src/compositor.cpp:111
 #44 KWin::Compositor::composite at /usr/src/debug/kwin-6.4.3-1.fc42.x86_64/src/compositor.cpp:444
 #45 QtPrivate::QSlotObjectBase::call at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobjectdefs_impl.h:461
 #46 doActivate<false> at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:4146
 #47 QMetaObject::activate at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:4206
 #48 QMetaObject::activate<void, KWin::RenderLoop*> at /usr/include/qt6/QtCore/qobjectdefs.h:306
 #49 KWin::RenderLoop::frameRequested at /usr/src/debug/kwin-6.4.3-1.fc42.x86_64/redhat-linux-build/src/kwin_autogen/include/moc_renderloop.cpp:171
 #50 QtPrivate::QSlotObjectBase::call at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobjectdefs_impl.h:461
 #51 doActivate<false> at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:4146
 #52 QMetaObject::activate at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:4206
 #53 QMetaObject::activate<void, QTimer::QPrivateSignal> at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobjectdefs.h:306
 #54 QTimer::timeout at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/redhat-linux-build/src/corelib/Core_autogen/include/moc_qtimer.cpp:182
 #55 QObject::event at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:1461
 #56 QApplicationPrivate::notify_helper at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/kernel/qapplication.cpp:3303
 #57 QCoreApplication::notifyInternal2 at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1106
 #58 QCoreApplication::sendEvent at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1546
 #59 QTimerInfoList::activateTimers at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qtimerinfo_unix.cpp:426
 #60 QEventDispatcherUNIXPrivate::activateTimers at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qeventdispatcher_unix.cpp:199
 #61 QEventDispatcherUNIX::processEvents at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qeventdispatcher_unix.cpp:475
 #62 QUnixEventDispatcherQPA::processEvents at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/gui/platform/unix/qunixeventdispatcher.cpp:27
 #63 QEventLoop::exec at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/global/qflags.h:77
 #64 QCoreApplication::exec at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1449
 #65 QGuiApplication::exec at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/gui/kernel/qguiapplication.cpp:1986
 #66 QApplication::exec at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/kernel/qapplication.cpp:2570
Comment 1 Mr. Beedell, Roke Julian Lockhart (RJLB) 2025-08-01 16:08:50 UTC 
Created attachment 2102466 [details]
File: proc_pid_status
Comment 2 Mr. Beedell, Roke Julian Lockhart (RJLB) 2025-08-01 16:08:52 UTC 
Created attachment 2102467 [details]
File: maps
Comment 3 Mr. Beedell, Roke Julian Lockhart (RJLB) 2025-08-01 16:08:53 UTC 
Created attachment 2102468 [details]
File: limits
Comment 4 Mr. Beedell, Roke Julian Lockhart (RJLB) 2025-08-01 16:08:54 UTC 
Created attachment 2102469 [details]
File: environ
Comment 5 Mr. Beedell, Roke Julian Lockhart (RJLB) 2025-08-01 16:08:55 UTC 
Created attachment 2102470 [details]
File: open_fds
Comment 6 Mr. Beedell, Roke Julian Lockhart (RJLB) 2025-08-01 16:08:57 UTC 
Created attachment 2102471 [details]
File: mountinfo
Comment 7 Mr. Beedell, Roke Julian Lockhart (RJLB) 2025-08-01 16:08:58 UTC 
Created attachment 2102472 [details]
File: os_info
Comment 8 Mr. Beedell, Roke Julian Lockhart (RJLB) 2025-08-01 16:09:00 UTC 
Created attachment 2102473 [details]
File: cpuinfo
Comment 9 Mr. Beedell, Roke Julian Lockhart (RJLB) 2025-08-01 16:09:01 UTC 
Created attachment 2102474 [details]
File: core_backtrace
Comment 10 Mr. Beedell, Roke Julian Lockhart (RJLB) 2025-08-01 16:09:03 UTC 
Created attachment 2102475 [details]
File: dso_list
Comment 11 Mr. Beedell, Roke Julian Lockhart (RJLB) 2025-08-01 16:09:04 UTC 
Created attachment 2102476 [details]
File: var_log_messages
Comment 12 Mr. Beedell, Roke Julian Lockhart (RJLB) 2025-08-01 16:09:06 UTC 
Created attachment 2102477 [details]
File: backtrace
Comment 13 Mr. Beedell, Roke Julian Lockhart (RJLB) 2025-08-01 16:11:08 UTC 
I am tentatively marking this as a direct duplicate of https://bugzilla.redhat.com/show_bug.cgi?id=2385963#c0.

*** This bug has been marked as a duplicate of bug 2385963 ***
Comment 14 Mr. Beedell, Roke Julian Lockhart (RJLB) 2025-08-01 16:31:59 UTC 
Reported upstream, at https://bugs.kde.org/show_bug.cgi?id=507753#c0.