Bug 511859

Summary: Crashes every time you click on System Settings -> Game Controller
Product: [Applications] systemsettings Reporter: Giuseppe Della Bianca <giusdbg>
Component: generic-crashAssignee: Plasma Bugs List <plasma-bugs-null>
Status: RESOLVED FIXED    
Severity: crash CC: kdedev, nate, nathan
Priority: NOR Keywords: drkonqi
Version First Reported In: 6.5.2   
Target Milestone: ---   
Platform: Fedora RPMs   
OS: Linux   
Latest Commit: https://invent.kde.org/plasma/plasma-desktop/-/commit/6b205091f5095a2f704c1883ccc81ae94577003a Version Fixed/Implemented In: 6.5.6
Sentry Crash Report:

Description Giuseppe Della Bianca 2025-11-09 10:59:44 UTC 
Application: systemsettings (6.5.2)

ApplicationNotResponding [ANR]: false
Qt Version: 6.10.0
Frameworks Version: 6.19.0
Operating System: Linux 6.17.7-300.fc43.x86_64 x86_64
Windowing System: Wayland
Distribution: "Fedora Linux 43 (Workstation Edition)"
DrKonqi: 6.5.2 [CoredumpBackend]

-- Information about the crash:
(gdb) bt
#0  0x00007ffff4559ddd in __wcslen_avx2 () from /lib64/libc.so.6
>>>> #1  0x00007fff8f4bcfe9 in SDL_wcslen_REAL (string=0x0) at /usr/src/debug/SDL3-3.2.24-1.fc43.x86_64/src/stdlib/SDL_string.c:751 <<<<
#2  SDL_wcsdup_REAL (string=0x0) at /usr/src/debug/SDL3-3.2.24-1.fc43.x86_64/src/stdlib/SDL_string.c:805
#3  0x00007fffb00834cb in SDL_hid_enumerate_REAL (vendor_id=<optimized out>, product_id=<optimized out>)
    at /usr/src/debug/sdl2-compat-2.32.56-2.fc43.x86_64/src/sdl2_compat.c:11742
#4  0x00007fffb00d1f5f in getJoystickHidInfo (vendor=1133, product=-15718, path="/dev/input/event8")
    at /usr/src/debug/plasma-desktop-6.5.2-1.fc43.x86_64/kcms/gamecontroller/device.cpp:90
#5  Device::open (this=0x555556d9e2e0) at /usr/src/debug/plasma-desktop-6.5.2-1.fc43.x86_64/kcms/gamecontroller/device.cpp:160
#6  Device::open (this=0x555556d9e2e0) at /usr/src/debug/plasma-desktop-6.5.2-1.fc43.x86_64/kcms/gamecontroller/device.cpp:148
#7  DeviceModel::addDevice (this=this@entry=0x5555561fa590, deviceIndex=0)
    at /usr/src/debug/plasma-desktop-6.5.2-1.fc43.x86_64/kcms/gamecontroller/devicemodel.cpp:132
#8  0x00007fffb00d3edb in DeviceModel::poll (this=<optimized out>)
    at /usr/src/debug/plasma-desktop-6.5.2-1.fc43.x86_64/kcms/gamecontroller/devicemodel.cpp:93
#9  0x00007ffff4b6855a in void doActivate<false>(QObject*, int, void**) () from /lib64/libQt6Core.so.6
#10 0x00007ffff4b76fd4 in QSingleShotTimer::timerEvent(QTimerEvent*) () from /lib64/libQt6Core.so.6
#11 0x00007ffff4b599d5 in QObject::event(QEvent*) () from /lib64/libQt6Core.so.6
#12 0x00007ffff5e3db1f in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt6Widgets.so.6
#13 0x00007ffff4afcaa8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt6Core.so.6
#14 0x00007ffff4cd1eb8 in QTimerInfoList::activateTimers() () from /lib64/libQt6Core.so.6
#15 0x00007ffff4e20db9 in timerSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib64/libQt6Core.so.6
#16 0x00007ffff3c742a3 in g_main_context_dispatch_unlocked.lto_priv () from /lib64/libglib-2.0.so.0
#17 0x00007ffff3c7d1f8 in g_main_context_iterate_unlocked.isra () from /lib64/libglib-2.0.so.0
#18 0x00007ffff3c7d3a3 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#19 0x00007ffff4e210ad in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt6Core.so.6
#20 0x00007ffff4b09603 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt6Core.so.6
#21 0x00007ffff4b04df9 in QCoreApplication::exec() () from /lib64/libQt6Core.so.6
#22 0x0000555555559735 in main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/plasma-systemsettings-6.5.2-1.fc43.x86_64/app/main.cpp:175

(gdb) frame 3
#3  0x00007fffabfbb4cb in SDL_hid_enumerate_REAL (vendor_id=<optimized out>, product_id=<optimized out>)
    at /usr/src/debug/sdl2-compat-2.32.56-2.fc43.x86_64/src/sdl2_compat.c:11742
11742               wchar_t *manufacturer_string = SDL3_wcsdup(i->manufacturer_string);

(gdb) list
11737           SDL_hid_device_info *i;
11738           for (i = list3; i != NULL; i = i->next) {
11739               SDL2_hid_device_info *info = (SDL2_hid_device_info *) SDL3_calloc(1, sizeof (SDL2_hid_device_info));
11740               char *path = SDL3_strdup(i->path);
11741               wchar_t *serial_number = SDL3_wcsdup(i->serial_number);
11742               wchar_t *manufacturer_string = SDL3_wcsdup(i->manufacturer_string);
11743               wchar_t *product_string = SDL3_wcsdup(i->product_string);
11744               if (!info || !path || !serial_number || !manufacturer_string || !product_string) {
11745                   SDL_hid_free_enumeration(retval);
11746                   SDL3_free(info);

(gdb) p i
$1 = (SDL_hid_device_info *) 0x555556871700

(gdb) p *i
$2 = {path = 0x555556301a00 "/dev/hidraw6", vendor_id = 1133, product_id = 49818, serial_number = 0x5555563019e0 L"", release_number = 4903, 
  manufacturer_string = 0x0, product_string = 0x555556c0e8e0 L"Driving Force GT", usage_page = 1, usage = 4, interface_number = 0, interface_class = 0, 
  interface_subclass = 0, interface_protocol = 0, bus_type = SDL_HID_API_BUS_USB, next = 0x0}

(gdb) p i->manufacturer_string 
$4 = 0x0


Under the same conditions, jstest-gtk works fine.


Bus 001 Device 002: ID 046d:c29a Logitech, Inc. Driving Force GT

Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            0 [unknown]
  bDeviceSubClass         0 [unknown]
  bDeviceProtocol         0 
  bMaxPacketSize0        16
  idVendor           0x046d Logitech, Inc.
  idProduct          0xc29a Driving Force GT
  bcdDevice           13.27
  iManufacturer           0 
  iProduct                2 Driving Force GT
  iSerial                 0 
  bNumConfigurations      1

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings), signal: Segmentation fault


warning: Can't open file /memfd:wayland-shm (deleted) during file-backed mapping note processing

warning: Can't open file /memfd:kwin-dmabuf-feedback-table (deleted) during file-backed mapping note processing

warning: Can't open file /home/gdb/.cache/systemsettings/qmlcache/735e97095127438c34ee937448862d538da4e7ef.qmlc (deleted) during file-backed mapping note processing

warning: Can't open file /memfd:unknown-usage:QtQml (deleted) during file-backed mapping note processing

warning: Can't open file /memfd:JITCode:QtQml (deleted) during file-backed mapping note processing

warning: Can't open file /memfd:JSGCHeap:QtQml (deleted) during file-backed mapping note processing

warning: Can't open file /memfd:JSVMStack:QtQml (deleted) during file-backed mapping note processing

warning: Can't open file /home/gdb/.cache/systemsettings/qmlcache/37ccc02acc6219e0b126b054c3559b37493c4d73.qmlc (deleted) during file-backed mapping note processing
[New LWP 9542]
[New LWP 9543]
[New LWP 9545]
[New LWP 9544]
[New LWP 9570]
[New LWP 9573]
[New LWP 9571]
[New LWP 9564]
[New LWP 9572]
[New LWP 9578]
[New LWP 9575]
[New LWP 9576]
[New LWP 9580]
[New LWP 9577]
[New LWP 9589]
[New LWP 9579]
[New LWP 9587]
[New LWP 9574]

This GDB supports auto-downloading debuginfo from the following URLs:
  <ima:enforcing>
  <https://debuginfod.fedoraproject.org/>
  <ima:ignore>
Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
Debuginfod has been disabled.
To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Core was generated by `/usr/bin/systemsettings'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007f4ebe0803cc in __pthread_kill_implementation () from /lib64/libc.so.6
[Current thread is 1 (Thread 0x7f4eb8deef00 (LWP 9542))]
[Current thread is 12 (Thread 0x7f4e73fff6c0 (LWP 9576))]

Thread 18 (Thread 0x7f4e797ff6c0 (LWP 9574)):
#0  0x00007f4ebe086982 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007f4ebe07ac3c in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007f4ebe07b2ac in __futex_abstimed_wait_common () from /lib64/libc.so.6
#3  0x00007f4ebe07db88 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libc.so.6
#4  0x00007f4ebe8dbea3 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /lib64/libQt6Core.so.6
#5  0x00007f4ebe831b9c in QThreadPoolThread::run() () from /lib64/libQt6Core.so.6
#6  0x00007f4ebe8d364e in QThreadPrivate::start(void*) () from /lib64/libQt6Core.so.6
#7  0x00007f4ebe07e464 in start_thread () from /lib64/libc.so.6
#8  0x00007f4ebe1015ac in __clone3 () from /lib64/libc.so.6

Thread 17 (Thread 0x7f4e8d1ba6c0 (LWP 9587)):
#0  0x00007f4ebe086982 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007f4ebe07ac3c in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007f4ebe07ac84 in __syscall_cancel () from /lib64/libc.so.6
#3  0x00007f4ebe0f46c6 in ppoll () from /lib64/libc.so.6
#4  0x00007f4ebd9162e0 in g_main_context_iterate_unlocked.isra () from /lib64/libglib-2.0.so.0
#5  0x00007f4ebd9163a3 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#6  0x00007f4ebea210ad in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt6Core.so.6
#7  0x00007f4ebe709603 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt6Core.so.6
#8  0x00007f4ebe82db06 in QThread::exec() () from /lib64/libQt6Core.so.6
#9  0x00007f4ebe8d364e in QThreadPrivate::start(void*) () from /lib64/libQt6Core.so.6
#10 0x00007f4ebe07e464 in start_thread () from /lib64/libc.so.6
#11 0x00007f4ebe1015ac in __clone3 () from /lib64/libc.so.6

Thread 16 (Thread 0x7f4e71bfd6c0 (LWP 9579)):
#0  0x00007f4ebe086982 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007f4ebe07ac3c in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007f4ebe07b2ac in __futex_abstimed_wait_common () from /lib64/libc.so.6
#3  0x00007f4ebe07db88 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libc.so.6
#4  0x00007f4ebe8dbea3 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /lib64/libQt6Core.so.6
#5  0x00007f4ebe831b9c in QThreadPoolThread::run() () from /lib64/libQt6Core.so.6
#6  0x00007f4ebe8d364e in QThreadPrivate::start(void*) () from /lib64/libQt6Core.so.6
#7  0x00007f4ebe07e464 in start_thread () from /lib64/libc.so.6
#8  0x00007f4ebe1015ac in __clone3 () from /lib64/libc.so.6

Thread 15 (Thread 0x7f4e70bfb6c0 (LWP 9589)):
#0  0x00007f4ebe086982 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007f4ebe07ac3c in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007f4ebe07ac84 in __syscall_cancel () from /lib64/libc.so.6
#3  0x00007f4ebe0f419e in poll () from /lib64/libc.so.6
#4  0x00007f4e7af6fce9 in linux_udev_event_thread_main.lto_priv () from /lib64/libusb-1.0.so.0
#5  0x00007f4ebe07e464 in start_thread () from /lib64/libc.so.6
#6  0x00007f4ebe1015ac in __clone3 () from /lib64/libc.so.6

Thread 14 (Thread 0x7f4e72bff6c0 (LWP 9577)):
#0  0x00007f4ebe086982 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007f4ebe07ac3c in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007f4ebe07b2ac in __futex_abstimed_wait_common () from /lib64/libc.so.6
#3  0x00007f4ebe07db88 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libc.so.6
#4  0x00007f4ebe8dbea3 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /lib64/libQt6Core.so.6
#5  0x00007f4ebe831b9c in QThreadPoolThread::run() () from /lib64/libQt6Core.so.6
#6  0x00007f4ebe8d364e in QThreadPrivate::start(void*) () from /lib64/libQt6Core.so.6
#7  0x00007f4ebe07e464 in start_thread () from /lib64/libc.so.6
#8  0x00007f4ebe1015ac in __clone3 () from /lib64/libc.so.6

Thread 13 (Thread 0x7f4e713fc6c0 (LWP 9580)):
#0  0x00007f4ebe086982 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007f4ebe07ac3c in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007f4ebe07b2ac in __futex_abstimed_wait_common () from /lib64/libc.so.6
#3  0x00007f4ebe07db88 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libc.so.6
#4  0x00007f4ebe8dbea3 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /lib64/libQt6Core.so.6
#5  0x00007f4ebe831b9c in QThreadPoolThread::run() () from /lib64/libQt6Core.so.6
#6  0x00007f4ebe8d364e in QThreadPrivate::start(void*) () from /lib64/libQt6Core.so.6
#7  0x00007f4ebe07e464 in start_thread () from /lib64/libc.so.6
#8  0x00007f4ebe1015ac in __clone3 () from /lib64/libc.so.6

Thread 12 (Thread 0x7f4e73fff6c0 (LWP 9576)):
#0  0x00007f4ebe086982 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007f4ebe07ac3c in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007f4ebe07b2ac in __futex_abstimed_wait_common () from /lib64/libc.so.6
#3  0x00007f4ebe07db88 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libc.so.6
#4  0x00007f4ebe8dbea3 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /lib64/libQt6Core.so.6
#5  0x00007f4ebe831b9c in QThreadPoolThread::run() () from /lib64/libQt6Core.so.6
#6  0x00007f4ebe8d364e in QThreadPrivate::start(void*) () from /lib64/libQt6Core.so.6
#7  0x00007f4ebe07e464 in start_thread () from /lib64/libc.so.6
#8  0x00007f4ebe1015ac in __clone3 () from /lib64/libc.so.6

Thread 11 (Thread 0x7f4e78ffe6c0 (LWP 9575)):
#0  0x00007f4ebe086982 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007f4ebe07ac3c in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007f4ebe07b2ac in __futex_abstimed_wait_common () from /lib64/libc.so.6
#3  0x00007f4ebe07db88 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libc.so.6
#4  0x00007f4ebe8dbea3 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /lib64/libQt6Core.so.6
#5  0x00007f4ebe831b9c in QThreadPoolThread::run() () from /lib64/libQt6Core.so.6
#6  0x00007f4ebe8d364e in QThreadPrivate::start(void*) () from /lib64/libQt6Core.so.6
#7  0x00007f4ebe07e464 in start_thread () from /lib64/libc.so.6
#8  0x00007f4ebe1015ac in __clone3 () from /lib64/libc.so.6

Thread 10 (Thread 0x7f4e723fe6c0 (LWP 9578)):
#0  0x00007f4ebe086982 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007f4ebe07ac3c in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007f4ebe07b2ac in __futex_abstimed_wait_common () from /lib64/libc.so.6
#3  0x00007f4ebe07db88 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib64/libc.so.6
#4  0x00007f4ebe8dbea3 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /lib64/libQt6Core.so.6
#5  0x00007f4ebe831b9c in QThreadPoolThread::run() () from /lib64/libQt6Core.so.6
#6  0x00007f4ebe8d364e in QThreadPrivate::start(void*) () from /lib64/libQt6Core.so.6
#7  0x00007f4ebe07e464 in start_thread () from /lib64/libc.so.6
#8  0x00007f4ebe1015ac in __clone3 () from /lib64/libc.so.6

Thread 9 (Thread 0x7f4e7bfff6c0 (LWP 9572)):
#0  0x00007f4ebe086982 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007f4ebe07ac3c in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007f4ebe07ac84 in __syscall_cancel () from /lib64/libc.so.6
#3  0x00007f4ebe0f46c6 in ppoll () from /lib64/libc.so.6
#4  0x00007f4ebd9162e0 in g_main_context_iterate_unlocked.isra () from /lib64/libglib-2.0.so.0
#5  0x00007f4ebd9163a3 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#6  0x00007f4ebd9163f1 in glib_worker_main () from /lib64/libglib-2.0.so.0
#7  0x00007f4ebd9416c2 in g_thread_proxy () from /lib64/libglib-2.0.so.0
#8  0x00007f4ebe07e464 in start_thread () from /lib64/libc.so.6
#9  0x00007f4ebe1015ac in __clone3 () from /lib64/libc.so.6

Thread 8 (Thread 0x7f4e8e3ff6c0 (LWP 9564)):
#0  0x00007f4ebe086982 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007f4ebe07ac3c in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007f4ebe07b2ac in __futex_abstimed_wait_common () from /lib64/libc.so.6
#3  0x00007f4ebe07d97e in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libc.so.6
#4  0x00007f4e9734bb9d in cnd_wait () from /lib64/libgallium-25.2.5.so
#5  0x00007f4e973051bc in util_queue_thread_func () from /lib64/libgallium-25.2.5.so
#6  0x00007f4e9734bacc in impl_thrd_routine () from /lib64/libgallium-25.2.5.so
#7  0x00007f4ebe07e464 in start_thread () from /lib64/libc.so.6
#8  0x00007f4ebe1015ac in __clone3 () from /lib64/libc.so.6

Thread 7 (Thread 0x7f4e84fff6c0 (LWP 9571)):
#0  0x00007f4ebe0ff34d in syscall () from /lib64/libc.so.6
#1  0x00007f4ebd93852b in g_cond_wait () from /lib64/libglib-2.0.so.0
#2  0x00007f4ebd8d61ac in g_async_queue_pop_intern_unlocked () from /lib64/libglib-2.0.so.0
#3  0x00007f4ebd941b74 in g_thread_pool_spawn_thread () from /lib64/libglib-2.0.so.0
#4  0x00007f4ebd9416c2 in g_thread_proxy () from /lib64/libglib-2.0.so.0
#5  0x00007f4ebe07e464 in start_thread () from /lib64/libc.so.6
#6  0x00007f4ebe1015ac in __clone3 () from /lib64/libc.so.6

Thread 6 (Thread 0x7f4e7b7fe6c0 (LWP 9573)):
#0  0x00007f4ebe086982 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007f4ebe07ac3c in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007f4ebe07ac84 in __syscall_cancel () from /lib64/libc.so.6
#3  0x00007f4ebe0f46c6 in ppoll () from /lib64/libc.so.6
#4  0x00007f4ebd9162e0 in g_main_context_iterate_unlocked.isra () from /lib64/libglib-2.0.so.0
#5  0x00007f4ebd91649f in g_main_loop_run () from /lib64/libglib-2.0.so.0
#6  0x00007f4eb9309ed2 in gdbus_shared_thread_func.lto_priv () from /lib64/libgio-2.0.so.0
#7  0x00007f4ebd9416c2 in g_thread_proxy () from /lib64/libglib-2.0.so.0
#8  0x00007f4ebe07e464 in start_thread () from /lib64/libc.so.6
#9  0x00007f4ebe1015ac in __clone3 () from /lib64/libc.so.6

Thread 5 (Thread 0x7f4e87fff6c0 (LWP 9570)):
#0  0x00007f4ebe086982 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007f4ebe07ac3c in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007f4ebe07ac84 in __syscall_cancel () from /lib64/libc.so.6
#3  0x00007f4ebe0f46c6 in ppoll () from /lib64/libc.so.6
#4  0x00007f4ebd9162e0 in g_main_context_iterate_unlocked.isra () from /lib64/libglib-2.0.so.0
#5  0x00007f4ebd9163a3 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#6  0x00007f4ebea210ad in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt6Core.so.6
#7  0x00007f4ebe709603 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt6Core.so.6
#8  0x00007f4ebe82db06 in QThread::exec() () from /lib64/libQt6Core.so.6
#9  0x00007f4ec12d08ae in QQuickPixmapReader::run() () from /lib64/libQt6Quick.so.6
#10 0x00007f4ebe8d364e in QThreadPrivate::start(void*) () from /lib64/libQt6Core.so.6
#11 0x00007f4ebe07e464 in start_thread () from /lib64/libc.so.6
#12 0x00007f4ebe1015ac in __clone3 () from /lib64/libc.so.6

Thread 4 (Thread 0x7f4ea9f906c0 (LWP 9544)):
#0  0x00007f4ebe086982 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007f4ebe07ac3c in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007f4ebe07b2ac in __futex_abstimed_wait_common () from /lib64/libc.so.6
#3  0x00007f4ebe07d97e in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libc.so.6
#4  0x00007f4ebe8dbf34 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /lib64/libQt6Core.so.6
#5  0x00007f4ebc6fb250 in QtWaylandClient::EventThread::run() () from /lib64/libQt6WaylandClient.so.6
#6  0x00007f4ebe8d364e in QThreadPrivate::start(void*) () from /lib64/libQt6Core.so.6
#7  0x00007f4ebe07e464 in start_thread () from /lib64/libc.so.6
#8  0x00007f4ebe1015ac in __clone3 () from /lib64/libc.so.6

Thread 3 (Thread 0x7f4ea978f6c0 (LWP 9545)):
#0  0x00007f4ebe086982 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007f4ebe07ac3c in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007f4ebe07ac84 in __syscall_cancel () from /lib64/libc.so.6
#3  0x00007f4ebe0f419e in poll () from /lib64/libc.so.6
#4  0x00007f4ebc6fb2b2 in QtWaylandClient::EventThread::run() () from /lib64/libQt6WaylandClient.so.6
#5  0x00007f4ebe8d364e in QThreadPrivate::start(void*) () from /lib64/libQt6Core.so.6
#6  0x00007f4ebe07e464 in start_thread () from /lib64/libc.so.6
#7  0x00007f4ebe1015ac in __clone3 () from /lib64/libc.so.6

Thread 2 (Thread 0x7f4eaadff6c0 (LWP 9543)):
#0  0x00007f4ebe086982 in __syscall_cancel_arch () from /lib64/libc.so.6
#1  0x00007f4ebe07ac3c in __internal_syscall_cancel () from /lib64/libc.so.6
#2  0x00007f4ebe07ac84 in __syscall_cancel () from /lib64/libc.so.6
#3  0x00007f4ebe0f46c6 in ppoll () from /lib64/libc.so.6
#4  0x00007f4ebd9162e0 in g_main_context_iterate_unlocked.isra () from /lib64/libglib-2.0.so.0
#5  0x00007f4ebd9163a3 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#6  0x00007f4ebea210ad in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt6Core.so.6
#7  0x00007f4ebe709603 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt6Core.so.6
#8  0x00007f4ebe82db06 in QThread::exec() () from /lib64/libQt6Core.so.6
#9  0x00007f4ebed4b461 in QDBusConnectionManager::run() () from /lib64/libQt6DBus.so.6
#10 0x00007f4ebe8d364e in QThreadPrivate::start(void*) () from /lib64/libQt6Core.so.6
#11 0x00007f4ebe07e464 in start_thread () from /lib64/libc.so.6
#12 0x00007f4ebe1015ac in __clone3 () from /lib64/libc.so.6

Thread 1 (Thread 0x7f4eb8deef00 (LWP 9542)):
[KCrash Handler]
#4  0x00007f4ebe159ddd in __wcslen_avx2 () from /lib64/libc.so.6
#5  0x00007f4e782bcfe9 in SDL_wcslen_REAL (string=0x0) at /usr/src/debug/SDL3-3.2.24-1.fc43.x86_64/src/stdlib/SDL_string.c:751
#6  SDL_wcsdup_REAL (string=0x0) at /usr/src/debug/SDL3-3.2.24-1.fc43.x86_64/src/stdlib/SDL_string.c:805
#7  0x00007f4e840544cb in SDL_hid_enumerate_REAL (vendor_id=<optimized out>, product_id=<optimized out>) at /usr/src/debug/sdl2-compat-2.32.56-2.fc43.x86_64/src/sdl2_compat.c:11742
#8  0x00007f4e840bcf5f in getJoystickHidInfo (vendor=1133, product=-15718, path="/dev/input/event8") at /usr/src/debug/plasma-desktop-6.5.2-1.fc43.x86_64/kcms/gamecontroller/device.cpp:90
#9  Device::open (this=0x55cf86e1b640) at /usr/src/debug/plasma-desktop-6.5.2-1.fc43.x86_64/kcms/gamecontroller/device.cpp:160
#10 Device::open (this=0x55cf86e1b640) at /usr/src/debug/plasma-desktop-6.5.2-1.fc43.x86_64/kcms/gamecontroller/device.cpp:148
#11 DeviceModel::addDevice (this=this@entry=0x55cf867344a0, deviceIndex=0) at /usr/src/debug/plasma-desktop-6.5.2-1.fc43.x86_64/kcms/gamecontroller/devicemodel.cpp:132
#12 0x00007f4e840beedb in DeviceModel::poll (this=<optimized out>) at /usr/src/debug/plasma-desktop-6.5.2-1.fc43.x86_64/kcms/gamecontroller/devicemodel.cpp:93
#13 0x00007f4ebe76855a in void doActivate<false>(QObject*, int, void**) () from /lib64/libQt6Core.so.6
#14 0x00007f4ebe776fd4 in QSingleShotTimer::timerEvent(QTimerEvent*) () from /lib64/libQt6Core.so.6
#15 0x00007f4ebe7599d5 in QObject::event(QEvent*) () from /lib64/libQt6Core.so.6
#16 0x00007f4ebfa3db1f in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt6Widgets.so.6
#17 0x00007f4ebe6fcaa8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt6Core.so.6
#18 0x00007f4ebe8d1eb8 in QTimerInfoList::activateTimers() () from /lib64/libQt6Core.so.6
#19 0x00007f4ebea20db9 in timerSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib64/libQt6Core.so.6
#20 0x00007f4ebd90d2a3 in g_main_context_dispatch_unlocked.lto_priv () from /lib64/libglib-2.0.so.0
#21 0x00007f4ebd9161f8 in g_main_context_iterate_unlocked.isra () from /lib64/libglib-2.0.so.0
#22 0x00007f4ebd9163a3 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#23 0x00007f4ebea210ad in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt6Core.so.6
#24 0x00007f4ebe709603 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt6Core.so.6
#25 0x00007f4ebe704df9 in QCoreApplication::exec() () from /lib64/libQt6Core.so.6
#26 0x000055cf480ea735 in main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/plasma-systemsettings-6.5.2-1.fc43.x86_64/app/main.cpp:175

Reported using DrKonqi
Comment 1 Antonio Rojas 2025-11-09 11:04:15 UTC 

*** This bug has been marked as a duplicate of bug 511624 ***
Comment 2 Giuseppe Della Bianca 2025-11-09 11:15:33 UTC 
This isn't a duplicate of that bug 511624, it's a specific case.
This case isn't handled correctly
i->manufacturer_string
$4 = 0x0
Comment 3 Giuseppe Della Bianca 2025-11-09 11:28:06 UTC 
Please, before making a decision on a bug report, at least check the information provided.
Which in this case is precise, clear, and conclusive.
Comment 4 TraceyC 2025-11-13 01:18:24 UTC 
This does have a different backtrace than bug 511624.
Comment 5 TraceyC 2026-01-07 17:56:23 UTC 
*** Bug 514266 has been marked as a duplicate of this bug. ***
Comment 6 David Edmundson 2026-01-15 15:56:59 UTC 
Git commit 6b205091f5095a2f704c1883ccc81ae94577003a by David Edmundson.
Committed on 15/01/2026 at 15:56.
Pushed by davidedmundson into branch 'master'.

kcms/gamecontroller: Guard SDL init

https://crash-reports.kde.org/organizations/kde/issues/316436

M  +1    -0    kcms/gamecontroller/device.cpp
M  +4    -1    kcms/gamecontroller/devicemodel.cpp

https://invent.kde.org/plasma/plasma-desktop/-/commit/6b205091f5095a2f704c1883ccc81ae94577003a