Crash in __pthread_kill_implementation

Similar reports
Problem #763753
Component
kwin
Last affected version
0:6.4.5-1.fc42
Executable
/usr/bin/kwin_wayland
Error name
SIGABRT 6
First occurrence
2026-03-15
Last occurrence
2026-04-12
Unique reports
2
Quality
-80

Statistics

Operating system Unique / Total count
Fedora 42 2 / 2
Operating system Count
Fedora 42 2
Architecture Count
x86_64 2
Related packages Count
kwin 2
 0:6.4.5-1.fc42 2

Packages names with count less than the total count of reports are most probably not the cause of the problem.

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Backtrace

Frame # Function Binary Source or offset Line
1
__pthread_kill_implementation
/lib64/libc.so.6 0x73e9c
Build id: 48c4b9b1efb1df15da8e787f489128bf31893317 		-
2
raise
/lib64/libc.so.6 0x19f3e
Build id: 48c4b9b1efb1df15da8e787f489128bf31893317 		-
3
KCrash::defaultCrashHandler(int)
/lib64/libKF6Crash.so.6 0x5071
Build id: 7c971c30e267a5256bb771b6a25cfce189bcd258 		-
4
/lib64/libc.so.6 0x1a070
Build id: 48c4b9b1efb1df15da8e787f489128bf31893317 		-
5
__pthread_kill_implementation
/lib64/libc.so.6 0x73e9c
Build id: 48c4b9b1efb1df15da8e787f489128bf31893317 		-
6
raise
/lib64/libc.so.6 0x19f3e
Build id: 48c4b9b1efb1df15da8e787f489128bf31893317 		-
7
abort
/lib64/libc.so.6 0x16d0
Build id: 48c4b9b1efb1df15da8e787f489128bf31893317 		-
8
_IO_peekc_locked.cold
/lib64/libc.so.6 0x26f3
Build id: 48c4b9b1efb1df15da8e787f489128bf31893317 		-
9
/lib64/libc.so.6 0x7e035
Build id: 48c4b9b1efb1df15da8e787f489128bf31893317 		-
10
_int_free_chunk
/lib64/libc.so.6 0x8063a
Build id: 48c4b9b1efb1df15da8e787f489128bf31893317 		-
11
free
/lib64/libc.so.6 0x83352
Build id: 48c4b9b1efb1df15da8e787f489128bf31893317 		-
12
KWin::Item::paintedArea(KWin::SceneDelegate*, QRegion const&) const
/lib64/libkwin.so.6 0x1fc9f8
Build id: f90f7c30e3453258d40c8fe10a7fbb5f9218f535 		-
13
KWin::Item::scheduleRepaintInternal(KWin::SceneDelegate*, QRegion const&)
/lib64/libkwin.so.6 0x1fdb28
Build id: f90f7c30e3453258d40c8fe10a7fbb5f9218f535 		-
14
KWin::SurfaceItem::addDamage(QRegion const&)
/lib64/libkwin.so.6 0x20e4ac
Build id: f90f7c30e3453258d40c8fe10a7fbb5f9218f535 		-
15
void doActivate<false>(QObject*, int, void**)
/lib64/libQt6Core.so.6 0x1654ba
Build id: ba64b7e880e46f5029dcecb2db568a90a8e82bd1 		-
16
KWin::SurfaceInterface::damaged(QRegion const&)
/lib64/libkwin.so.6 0x44d8b2
Build id: f90f7c30e3453258d40c8fe10a7fbb5f9218f535 		-
17
KWin::SurfaceInterfacePrivate::applyState(KWin::SurfaceState*)
/lib64/libkwin.so.6 0x453fa0
Build id: f90f7c30e3453258d40c8fe10a7fbb5f9218f535 		-
18
KWin::Transaction::apply()
/lib64/libkwin.so.6 0x488ff9
Build id: f90f7c30e3453258d40c8fe10a7fbb5f9218f535 		-
19
ffi_call_unix64
/lib64/libffi.so.8 0x8056
Build id: 8a38bf2dc0d2adf0e30ce92292b9162be6c504f8 		-
20
ffi_call_int.lto_priv.0
/lib64/libffi.so.8 0x3d08
Build id: 8a38bf2dc0d2adf0e30ce92292b9162be6c504f8 		-
21
ffi_call
/lib64/libffi.so.8 0x670e
Build id: 8a38bf2dc0d2adf0e30ce92292b9162be6c504f8 		-
22
wl_closure_invoke.constprop.0
/lib64/libwayland-server.so.0 0x2440
Build id: 243379cfd8cc991c31248defae51c14a2452cf43 		-
23
wl_client_connection_data
/lib64/libwayland-server.so.0 0x7aa0
Build id: 243379cfd8cc991c31248defae51c14a2452cf43 		-
24
wl_event_loop_dispatch
/lib64/libwayland-server.so.0 0x5f42
Build id: 243379cfd8cc991c31248defae51c14a2452cf43 		-
25
KWin::Display::dispatchEvents()
/lib64/libkwin.so.6 0x3e48a9
Build id: f90f7c30e3453258d40c8fe10a7fbb5f9218f535 		-
26
void doActivate<false>(QObject*, int, void**)
/lib64/libQt6Core.so.6 0x1654ba
Build id: ba64b7e880e46f5029dcecb2db568a90a8e82bd1 		-
27
QSocketNotifier::activated(QSocketDescriptor, QSocketNotifier::Type, QSocketNotifier::QPrivateSignal)
/lib64/libQt6Core.so.6 0x1742d3
Build id: ba64b7e880e46f5029dcecb2db568a90a8e82bd1 		-
28
QSocketNotifier::event(QEvent*)
/lib64/libQt6Core.so.6 0x1749fb
Build id: ba64b7e880e46f5029dcecb2db568a90a8e82bd1 		-
29
QApplicationPrivate::notify_helper(QObject*, QEvent*)
/lib64/libQt6Widgets.so.6 0x3d97f
Build id: 6b3ab5af92cbc8ef7f6a2a9f3ab4a3ca6fd459d9 		-
30
QCoreApplication::notifyInternal2(QObject*, QEvent*)
/lib64/libQt6Core.so.6 0xf9678
Build id: ba64b7e880e46f5029dcecb2db568a90a8e82bd1 		-
31
QEventDispatcherUNIXPrivate::activateSocketNotifiers()
/lib64/libQt6Core.so.6 0x2c8a47
Build id: ba64b7e880e46f5029dcecb2db568a90a8e82bd1 		-
32
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
/lib64/libQt6Core.so.6 0x2c9379
Build id: ba64b7e880e46f5029dcecb2db568a90a8e82bd1 		-
33
QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
/lib64/libQt6Gui.so.6 0x6dfaa2
Build id: bf3b60f839e36989afa7f7b331abd5f467a2df1e 		-
34
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
/lib64/libQt6Core.so.6 0x107243
Build id: ba64b7e880e46f5029dcecb2db568a90a8e82bd1 		-
35
QCoreApplication::exec()
/lib64/libQt6Core.so.6 0x102b59
Build id: ba64b7e880e46f5029dcecb2db568a90a8e82bd1 		-
36
main
/usr/bin/kwin_wayland 0xf6db
Build id: 4bf4f8796513f9a28ae9231459ddbcbbaa49d685 		-
37
__libc_start_call_main
/lib64/libc.so.6 0x3575
Build id: 48c4b9b1efb1df15da8e787f489128bf31893317 		-
38
__libc_start_main@@GLIBC_2.34
/lib64/libc.so.6 0x3628
Build id: 48c4b9b1efb1df15da8e787f489128bf31893317 		-
39
_start
/usr/bin/kwin_wayland 0x15ba5
Build id: 4bf4f8796513f9a28ae9231459ddbcbbaa49d685 		-