``` Reading symbols from /usr/bin/kwin_wayland... Reading symbols from /usr/lib/debug/usr/bin/kwin_wayland-6.4.4-2.fc42.x86_64.debug... [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib64/libthread_db.so.1". Core was generated by `/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_qYGzRl --xwayland'. Program terminated with signal SIGSEGV, Segmentation fault. #0 __pthread_kill_implementation (threadid=<optimized out>, signo=signo@entry=11, no_tid=no_tid@entry=0) at pthread_kill.c:44 44 return INTERNAL_SYSCALL_ERROR_P (ret) ? INTERNAL_SYSCALL_ERRNO (ret) : 0; [Current thread is 1 (Thread 0x7f535cca0300 (LWP 5173))] (gdb) bt #0 __pthread_kill_implementation (threadid=<optimized out>, signo=signo@entry=11, no_tid=no_tid@entry=0) at pthread_kill.c:44 #1 0x00007f5362a82163 in __pthread_kill_internal (threadid=<optimized out>, signo=11) at pthread_kill.c:89 #2 0x00007f5362a28a7e in __GI_raise (sig=11) at ../sysdeps/posix/raise.c:26 #3 0x00007f5366711031 in KCrash::defaultCrashHandler (sig=11) at /usr/src/debug/kf6-kcrash-6.17.0-1.fc42.x86_64/src/kcrash.cpp:605 #4 0x00007f5362a28bb0 in <signal handler called> () at /lib64/libc.so.6 #5 0x00007f53661d6f89 in KWin::ColorManagementOutputV1::ColorManagementOutputV1 (this=0x559586227f70, client=<optimized out>, id=<optimized out>, version=<optimized out>, output=0x0) at /usr/src/debug/kwin-6.4.4-2.fc42.x86_64/src/wayland/colormanagement_v1.cpp:580 #6 KWin::ColorManagerV1::wp_color_manager_v1_get_output (this=<optimized out>, resource=<optimized out>, id=<optimized out>, output=<optimized out>) at /usr/src/debug/kwin-6.4.4-2.fc42.x86_64/src/wayland/colormanagement_v1.cpp:63 #7 0x00007f536145c056 in ffi_call_unix64 () at ../src/x86/unix64.S:104 #8 0x00007f5361457d08 in ffi_call_int (cif=cif@entry=0x7ffe2385fd30, fn=fn@entry=0x7f53662ee510 <QtWaylandServer::wp_color_manager_v1::handle_get_output(wl_client*, wl_resource*, unsigned int, wl_resource*)>, rvalue=<optimized out>, rvalue@entry=0x0, avalue=avalue@entry=0x7ffe2385fe00, closure=closure@entry=0x0) at ../src/x86/ffi64.c:673 #9 0x00007f536145a70e in ffi_call (cif=cif@entry=0x7ffe2385fd30, fn=0x7f53662ee510 <QtWaylandServer::wp_color_manager_v1::handle_get_output(wl_client*, wl_resource*, unsigned int, wl_resource*)>, rvalue=rvalue@entry=0x0, avalue=avalue@entry=0x7ffe2385fe00) at ../src/x86/ffi64.c:710 #10 0x00007f5362ee9440 in wl_closure_invoke (closure=closure@entry=0x5595851b2b40, target=<optimized out>, target@entry=0x559583f85640, opcode=opcode@entry=1, data=<optimized out>, data@entry=0x559585058a20, flags=2) at ../src/connection.c:1241 #11 0x00007f5362eeeaa0 in wl_client_connection_data (fd=<optimized out>, mask=<optimized out>, data=<optimized out>) at ../src/wayland-server.c:483 #12 0x00007f5362eecf42 in wl_event_loop_dispatch (loop=0x559582b52c20, timeout=<optimized out>) at ../src/event-loop.c:1059 #13 0x00007f53661e3669 in KWin::Display::dispatchEvents (this=<optimized out>) at /usr/src/debug/kwin-6.4.4-2.fc42.x86_64/src/wayland/display.cpp:138 #14 0x00007f53631657ba in QtPrivate::QSlotObjectBase::call (this=0x559583e7aa90, r=0x559582b59260, a=0x7ffe23860410) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobjectdefs_impl.h:461 #15 doActivate<false> (sender=0x559583f616d0, signal_index=3, argv=argv@entry=0x7ffe23860410) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:4146 #16 0x00007f536315c089 in QMetaObject::activate (sender=sender@entry=0x559582a3bf30, m=m@entry=0x7f53636a3f00, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe23860410) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobject.cpp:4206 #17 0x00007f5363174593 in QMetaObject::activate<void, QSocketDescriptor, QSocketNotifier::Type, QSocketNotifier::QPrivateSignal> (sender=0x559582a3bf30, mo=0x7f53636a3f00, local_signal_index=0, ret=0x0) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qobjectdefs.h:306 #18 QSocketNotifier::activated (this=this@entry=0x559583f616d0, _t1=..., _t2=<optimized out>, _t3=...) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/redhat-linux-build/src/corelib/Core_autogen/include/moc_qsocketnotifier.cpp:161 #19 0x00007f5363174d6b in QSocketNotifier::event (this=0x559583f616d0, e=<optimized out>) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qsocketnotifier.cpp:327 #20 0x00007f536443d97f in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x559583f616d0, e=0x7ffe23860560) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/kernel/qapplication.cpp:3303 #21 0x00007f53630f9f38 in QCoreApplication::notifyInternal2 (receiver=0x559583f616d0, event=0x7ffe23860560) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1106 #22 0x00007f53630fa19d in QCoreApplication::sendEvent (receiver=<optimized out>, event=<optimized out>) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1546 #23 0x00007f53632c8447 in QEventDispatcherUNIXPrivate::activateSocketNotifiers (this=this@entry=0x559582a3be90) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qeventdispatcher_unix.cpp:254 #24 0x00007f53632c8d79 in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=...) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qeventdispatcher_unix.cpp:470 #25 0x00007f5363ee0442 in QUnixEventDispatcherQPA::processEvents (this=<optimized out>, flags=...) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/gui/platform/unix/qunixeventdispatcher.cpp:27 #26 0x00007f5363107b03 in QEventLoop::exec (this=this@entry=0x7ffe23860730, flags=..., flags@entry=...) at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/global/qflags.h:77 #27 0x00007f5363103419 in QCoreApplication::exec () at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/corelib/kernel/qcoreapplication.cpp:1449 #28 0x00007f53638ddbad in QGuiApplication::exec () at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/gui/kernel/qguiapplication.cpp:1986 #29 0x00007f536443d8e9 in QApplication::exec () at /usr/src/debug/qt6-qtbase-6.9.1-1.fc42.x86_64/src/widgets/kernel/qapplication.cpp:2570 #30 0x00005595765006db in main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/kwin-6.4.4-2.fc42.x86_64/src/main_wayland.cpp:635 ```
Coredump https://www.dropbox.com/scl/fi/mpri5b7ekz7evsor6anog/kwin_wayland.dump.zst?rlkey=txzu5kppzjqg54xt44i4k7mf7&st=k4vlvyv9&dl=0
*** This bug has been marked as a duplicate of bug 504959 ***