Bug 515908

Summary: Keeping theme context bar open on quick settings crashes program when selecting a menu in the sidebar settings.
Product: [Applications] systemsettings Reporter: Nova <glitchy403>
Component: Quick SettingsAssignee: Plasma Bugs List <plasma-bugs-null>
Status: CONFIRMED ---    
Severity: crash CC: fella
Priority: NOR    
Version First Reported In: 6.5.5   
Target Milestone: ---   
Platform: Arch Linux   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:
Attachments: I click on the quick settings theme context menu and then click on a sidebar button, the program crashes

Description Nova 2026-02-12 14:08:38 UTC 
Created attachment 189491 [details]
I click on the quick settings theme context menu and then click on a sidebar button, the program crashes

SUMMARY
keeping theme context bar open on quick settings crashes program when selecting a menu in the sidebar settings

STEPS TO REPRODUCE
1. Open settings
2. click on quick settings theme context menu
3. click on sidebar menu while context menu is open

OBSERVED RESULT

program freezes for a second before crashing
EXPECTED RESULT


SOFTWARE/OS VERSIONS
Linux/KDE Plasma: 
KDE Plasma Version: 6.5.5
KDE Frameworks Version: 6.22.0
Qt Version: 6.10.2

ADDITIONAL INFORMATION
Crash report:            PID: 5958 (systemsettings)
           UID: 1000 (glitchy)
           GID: 1000 (glitchy)
        Signal: 11 (SEGV)
     Timestamp: Thu 2026-02-12 10:06:02 AST (38s ago)
  Command Line: /usr/bin/systemsettings
    Executable: /usr/bin/systemsettings
 Control Group: /user.slice/user-1000.slice/user@1000.service/app.slice/app-systemsettings@f6be3fe1c8ee473bab587eeb2266b8c4.service
          Unit: user@1000.service
     User Unit: app-systemsettings@f6be3fe1c8ee473bab587eeb2266b8c4.service
         Slice: user-1000.slice
     Owner UID: 1000 (glitchy)
       Boot ID: 893b215a790c4e07b57b62d85e525ff3
    Machine ID: 980fae224b3d49e78d9b5e05ae24f8e7
      Hostname: laptopunderanarch
       Storage: /var/lib/systemd/coredump/core.systemsettings.1000.893b215a790c4e07b57b62d85e525ff3.5958.1770905162000000.zst (present)
  Size on Disk: 13.5M
       Message: Process 5958 (systemsettings) of user 1000 dumped core.
                
                Stack trace of thread 5958:
                #0  0x00007e84c9aa7a2c n/a (libc.so.6 + 0x98a2c)
                #1  0x00007e84c9a4d1a0 raise (libc.so.6 + 0x3e1a0)
                #2  0x00007e84cc7afe57 _ZN6KCrash19defaultCrashHandlerEi (libKF6Crash.so.6 + 0x7e57)
                #3  0x00007e84c9a4d2d0 n/a (libc.so.6 + 0x3e2d0)
                #4  0x00007e84cc986728 _ZNK10QQuickItem12mapFromSceneERK7QPointF (libQt6Quick.so.6 + 0x186728)
                #5  0x00007e84ccb7e89a _ZNK26QQuickDeliveryAgentPrivate12eventTargetsEP10QQuickItemPK6QEvent7QPointFN3qxp12function_refIJFSt8optionalIbES1_S4_EEEE (libQt6Quick.so.6 + 0x37e89a)
                #6  0x00007e84ccb84be6 _ZN26QQuickDeliveryAgentPrivate26deliverPressOrReleaseEventEP13QPointerEventb (libQt6Quick.so.6 + 0x384be6)
                #7  0x00007e84ccb85bd7 _ZN26QQuickDeliveryAgentPrivate19deliverPointerEventEP13QPointerEvent (libQt6Quick.so.6 + 0x385bd7)
                #8  0x00007e84ccb86554 _ZN26QQuickDeliveryAgentPrivate16handleMouseEventEP11QMouseEvent (libQt6Quick.so.6 + 0x386554)
                #9  0x00007e84ccb7b6b3 _ZN19QQuickDeliveryAgent5eventEP6QEvent (libQt6Quick.so.6 + 0x37b6b3)
                #10 0x00007e84cca4e1dc _ZN12QQuickWindow5eventEP6QEvent (libQt6Quick.so.6 + 0x24e1dc)
                #11 0x00007e84cb303380 _ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent (libQt6Widgets.so.6 + 0x103380)
                #12 0x00007e84ca16bf48 _ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent (libQt6Core.so.6 + 0x16bf48)
                #13 0x00007e84caa16a3c _ZN14QWindowPrivate14forwardToPopupEP6QEventPK7QWindow (libQt6Gui.so.6 + 0x216a3c)
                #14 0x00007e84ca9a82d8 _ZN22QGuiApplicationPrivate17processMouseEventEPN29QWindowSystemInterfacePrivate10MouseEventE (libQt6Gui.so.6 + 0x1a82d8)
                #15 0x00007e84caa2c3ac _ZN22QWindowSystemInterface22sendWindowSystemEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt6Gui.so.6 + 0x22c3ac)
                #16 0x00007e84caf33cd4 n/a (libQt6Gui.so.6 + 0x733cd4)
                #17 0x00007e84c9382f8d n/a (libglib-2.0.so.0 + 0x5ef8d)
                #18 0x00007e84c9384657 n/a (libglib-2.0.so.0 + 0x60657)
                #19 0x00007e84c9384865 g_main_context_iteration (libglib-2.0.so.0 + 0x60865)
                #20 0x00007e84ca44fcb2 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt6Core.so.6 + 0x44fcb2)
                #21 0x00007e84ca176cf6 _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt6Core.so.6 + 0x176cf6)
                #22 0x00007e84ca1709f1 _ZN16QCoreApplication4execEv (libQt6Core.so.6 + 0x1709f1)
                #23 0x00005b62cb84f4a0 n/a (/usr/bin/systemsettings + 0x154a0)
                #24 0x00007e84c9a366c1 n/a (libc.so.6 + 0x276c1)
                #25 0x00007e84c9a367f9 __libc_start_main (libc.so.6 + 0x277f9)
                #26 0x00005b62cb8500c5 n/a (/usr/bin/systemsettings + 0x160c5)
                
                Stack trace of thread 6055:
                #0  0x00007e84c9b2706d syscall (libc.so.6 + 0x11806d)
                #1  0x00007e84c93b382e g_cond_wait (libglib-2.0.so.0 + 0x8f82e)
                #2  0x00007e84c934a1cd n/a (libglib-2.0.so.0 + 0x261cd)
                #3  0x00007e84c93bc487 n/a (libglib-2.0.so.0 + 0x98487)
                #4  0x00007e84c93bb8bc n/a (libglib-2.0.so.0 + 0x978bc)
                #5  0x00007e84c9aa597a n/a (libc.so.6 + 0x9697a)
                #6  0x00007e84c9b292bc n/a (libc.so.6 + 0x11a2bc)
                
                Stack trace of thread 6063:
                #0  0x00007e84c9aadf32 n/a (libc.so.6 + 0x9ef32)
                #1  0x00007e84c9aa239c n/a (libc.so.6 + 0x9339c)
                #2  0x00007e84c9aa268c n/a (libc.so.6 + 0x9368c)
                #3  0x00007e84c9aa4e5e pthread_cond_wait (libc.so.6 + 0x95e5e)
                #4  0x00007e84b11e5fae n/a (libgallium-25.3.5-arch1.1.so + 0x5e5fae)
                #5  0x00007e84b119b37d n/a (libgallium-25.3.5-arch1.1.so + 0x59b37d)
                #6  0x00007e84b11e5edd n/a (libgallium-25.3.5-arch1.1.so + 0x5e5edd)
                #7  0x00007e84c9aa597a n/a (libc.so.6 + 0x9697a)
                #8  0x00007e84c9b292bc n/a (libc.so.6 + 0x11a2bc)
                
                Stack trace of thread 6065:
                #0  0x00007e84c9aadf32 n/a (libc.so.6 + 0x9ef32)
                #1  0x00007e84c9aa239c n/a (libc.so.6 + 0x9339c)
                #2  0x00007e84c9aa268c n/a (libc.so.6 + 0x9368c)
                #3  0x00007e84c9aa4e5e pthread_cond_wait (libc.so.6 + 0x95e5e)
                #4  0x00007e84b11e5fae n/a (libgallium-25.3.5-arch1.1.so + 0x5e5fae)
                #5  0x00007e84b119b37d n/a (libgallium-25.3.5-arch1.1.so + 0x59b37d)
                #6  0x00007e84b11e5edd n/a (libgallium-25.3.5-arch1.1.so + 0x5e5edd)
                #7  0x00007e84c9aa597a n/a (libc.so.6 + 0x9697a)
                #8  0x00007e84c9b292bc n/a (libc.so.6 + 0x11a2bc)
                
                Stack trace of thread 6729:
                #0  0x00007e84c9aadf32 n/a (libc.so.6 + 0x9ef32)
                #1  0x00007e84c9aa239c n/a (libc.so.6 + 0x9339c)
                #2  0x00007e84c9aa268c n/a (libc.so.6 + 0x9368c)
                #3  0x00007e84c9aa5068 pthread_cond_timedwait (libc.so.6 + 0x96068)
                #4  0x00007e84ca3362a5 _ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt6Core.so.6 + 0x3362a5)
                #5  0x00007e84ca291189 n/a (libQt6Core.so.6 + 0x291189)
                #6  0x00007e84ca331c7a n/a (libQt6Core.so.6 + 0x331c7a)
                #7  0x00007e84c9aa597a n/a (libc.so.6 + 0x9697a)
                #8  0x00007e84c9b292bc n/a (libc.so.6 + 0x11a2bc)
                
                Stack trace of thread 6730:
                #0  0x00007e84c9aadf32 n/a (libc.so.6 + 0x9ef32)
                #1  0x00007e84c9aa239c n/a (libc.so.6 + 0x9339c)
                #2  0x00007e84c9aa268c n/a (libc.so.6 + 0x9368c)
                #3  0x00007e84c9aa5068 pthread_cond_timedwait (libc.so.6 + 0x96068)
                #4  0x00007e84ca3362a5 _ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt6Core.so.6 + 0x3362a5)
                #5  0x00007e84ca291189 n/a (libQt6Core.so.6 + 0x291189)
                #6  0x00007e84ca331c7a n/a (libQt6Core.so.6 + 0x331c7a)
                #7  0x00007e84c9aa597a n/a (libc.so.6 + 0x9697a)
                #8  0x00007e84c9b292bc n/a (libc.so.6 + 0x11a2bc)
                
                Stack trace of thread 6062:
                #0  0x00007e84c9aadf32 n/a (libc.so.6 + 0x9ef32)
                #1  0x00007e84c9aa239c n/a (libc.so.6 + 0x9339c)
                #2  0x00007e84c9aa268c n/a (libc.so.6 + 0x9368c)
                #3  0x00007e84c9aa4e5e pthread_cond_wait (libc.so.6 + 0x95e5e)
                #4  0x00007e84b11e5fae n/a (libgallium-25.3.5-arch1.1.so + 0x5e5fae)
                #5  0x00007e84b119b37d n/a (libgallium-25.3.5-arch1.1.so + 0x59b37d)
                #6  0x00007e84b11e5edd n/a (libgallium-25.3.5-arch1.1.so + 0x5e5edd)
                #7  0x00007e84c9aa597a n/a (libc.so.6 + 0x9697a)
                #8  0x00007e84c9b292bc n/a (libc.so.6 + 0x11a2bc)
                
                Stack trace of thread 6054:
                #0  0x00007e84c9aadf32 n/a (libc.so.6 + 0x9ef32)
                #1  0x00007e84c9aa239c n/a (libc.so.6 + 0x9339c)
                #2  0x00007e84c9aa23e4 n/a (libc.so.6 + 0x933e4)
                #3  0x00007e84c9b1c2f6 ppoll (libc.so.6 + 0x10d2f6)
                #4  0x00007e84c9384784 n/a (libglib-2.0.so.0 + 0x60784)
                #5  0x00007e84c9384865 g_main_context_iteration (libglib-2.0.so.0 + 0x60865)
                #6  0x00007e84ca44fcb2 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt6Core.so.6 + 0x44fcb2)
                #7  0x00007e84ca176cf6 _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt6Core.so.6 + 0x176cf6)
                #8  0x00007e84ca29277e _ZN7QThread4execEv (libQt6Core.so.6 + 0x29277e)
                #9  0x00007e84ccba2fc2 n/a (libQt6Quick.so.6 + 0x3a2fc2)
                #10 0x00007e84ca331c7a n/a (libQt6Core.so.6 + 0x331c7a)
                #11 0x00007e84c9aa597a n/a (libc.so.6 + 0x9697a)
                #12 0x00007e84c9b292bc n/a (libc.so.6 + 0x11a2bc)
                
                Stack trace of thread 5960:
                #0  0x00007e84c9aadf32 n/a (libc.so.6 + 0x9ef32)
                #1  0x00007e84c9aa239c n/a (libc.so.6 + 0x9339c)
                #2  0x00007e84c9aa268c n/a (libc.so.6 + 0x9368c)
                #3  0x00007e84c9aa4e5e pthread_cond_wait (libc.so.6 + 0x95e5e)
                #4  0x00007e84ca336349 _ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt6Core.so.6 + 0x336349)
                #5  0x00007e84c867dc89 n/a (libQt6WaylandClient.so.6 + 0x6ac89)
                #6  0x00007e84ca331c7a n/a (libQt6Core.so.6 + 0x331c7a)
                #7  0x00007e84c9aa597a n/a (libc.so.6 + 0x9697a)
                #8  0x00007e84c9b292bc n/a (libc.so.6 + 0x11a2bc)
                
                Stack trace of thread 5959:
                #0  0x00007e84c9aadf32 n/a (libc.so.6 + 0x9ef32)
                #1  0x00007e84c9aa239c n/a (libc.so.6 + 0x9339c)
                #2  0x00007e84c9aa23e4 n/a (libc.so.6 + 0x933e4)
                #3  0x00007e84c9b1c2f6 ppoll (libc.so.6 + 0x10d2f6)
                #4  0x00007e84c9384784 n/a (libglib-2.0.so.0 + 0x60784)
                #5  0x00007e84c9384865 g_main_context_iteration (libglib-2.0.so.0 + 0x60865)
                #6  0x00007e84ca44fcb2 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt6Core.so.6 + 0x44fcb2)
                #7  0x00007e84ca176cf6 _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt6Core.so.6 + 0x176cf6)
                #8  0x00007e84ca29277e _ZN7QThread4execEv (libQt6Core.so.6 + 0x29277e)
                #9  0x00007e84cb14007e n/a (libQt6DBus.so.6 + 0x3707e)
                #10 0x00007e84ca331c7a n/a (libQt6Core.so.6 + 0x331c7a)
                #11 0x00007e84c9aa597a n/a (libc.so.6 + 0x9697a)
                #12 0x00007e84c9b292bc n/a (libc.so.6 + 0x11a2bc)
                
                Stack trace of thread 6056:
                #0  0x00007e84c9aadf32 n/a (libc.so.6 + 0x9ef32)
                #1  0x00007e84c9aa239c n/a (libc.so.6 + 0x9339c)
                #2  0x00007e84c9aa23e4 n/a (libc.so.6 + 0x933e4)
                #3  0x00007e84c9b1c2f6 ppoll (libc.so.6 + 0x10d2f6)
                #4  0x00007e84c9384784 n/a (libglib-2.0.so.0 + 0x60784)
                #5  0x00007e84c9384865 g_main_context_iteration (libglib-2.0.so.0 + 0x60865)
                #6  0x00007e84c93848b2 n/a (libglib-2.0.so.0 + 0x608b2)
                #7  0x00007e84c93bb8bc n/a (libglib-2.0.so.0 + 0x978bc)
                #8  0x00007e84c9aa597a n/a (libc.so.6 + 0x9697a)
                #9  0x00007e84c9b292bc n/a (libc.so.6 + 0x11a2bc)
                
                Stack trace of thread 5961:
                #0  0x00007e84c9aadf32 n/a (libc.so.6 + 0x9ef32)
                #1  0x00007e84c9aa239c n/a (libc.so.6 + 0x9339c)
                #2  0x00007e84c9aa23e4 n/a (libc.so.6 + 0x933e4)
                #3  0x00007e84c9b1bdae __poll (libc.so.6 + 0x10cdae)
                #4  0x00007e84c867dcf5 n/a (libQt6WaylandClient.so.6 + 0x6acf5)
                #5  0x00007e84ca331c7a n/a (libQt6Core.so.6 + 0x331c7a)
                #6  0x00007e84c9aa597a n/a (libc.so.6 + 0x9697a)
                #7  0x00007e84c9b292bc n/a (libc.so.6 + 0x11a2bc)
                
                Stack trace of thread 5963:
                #0  0x00007e84c9aadf32 n/a (libc.so.6 + 0x9ef32)
                #1  0x00007e84c9aa239c n/a (libc.so.6 + 0x9339c)
                #2  0x00007e84c9aa268c n/a (libc.so.6 + 0x9368c)
                #3  0x00007e84c9aa4e5e pthread_cond_wait (libc.so.6 + 0x95e5e)
                #4  0x00007e84b11e5fae n/a (libgallium-25.3.5-arch1.1.so + 0x5e5fae)
                #5  0x00007e84b119b37d n/a (libgallium-25.3.5-arch1.1.so + 0x59b37d)
                #6  0x00007e84b11e5edd n/a (libgallium-25.3.5-arch1.1.so + 0x5e5edd)
                #7  0x00007e84c9aa597a n/a (libc.so.6 + 0x9697a)
                #8  0x00007e84c9b292bc n/a (libc.so.6 + 0x11a2bc)
                
                Stack trace of thread 6064:
                #0  0x00007e84c9aadf32 n/a (libc.so.6 + 0x9ef32)
                #1  0x00007e84c9aa239c n/a (libc.so.6 + 0x9339c)
                #2  0x00007e84c9aa268c n/a (libc.so.6 + 0x9368c)
                #3  0x00007e84c9aa4e5e pthread_cond_wait (libc.so.6 + 0x95e5e)
                #4  0x00007e84b11e5fae n/a (libgallium-25.3.5-arch1.1.so + 0x5e5fae)
                #5  0x00007e84b119b37d n/a (libgallium-25.3.5-arch1.1.so + 0x59b37d)
                #6  0x00007e84b11e5edd n/a (libgallium-25.3.5-arch1.1.so + 0x5e5edd)
                #7  0x00007e84c9aa597a n/a (libc.so.6 + 0x9697a)
                #8  0x00007e84c9b292bc n/a (libc.so.6 + 0x11a2bc)
                
                Stack trace of thread 5962:
                #0  0x00007e84c9aadf32 n/a (libc.so.6 + 0x9ef32)
                #1  0x00007e84c9aa239c n/a (libc.so.6 + 0x9339c)
                #2  0x00007e84c9aa268c n/a (libc.so.6 + 0x9368c)
                #3  0x00007e84c9aa4e5e pthread_cond_wait (libc.so.6 + 0x95e5e)
                #4  0x00007e84b11e5fae n/a (libgallium-25.3.5-arch1.1.so + 0x5e5fae)
                #5  0x00007e84b119b37d n/a (libgallium-25.3.5-arch1.1.so + 0x59b37d)
                #6  0x00007e84b11e5edd n/a (libgallium-25.3.5-arch1.1.so + 0x5e5edd)
                #7  0x00007e84c9aa597a n/a (libc.so.6 + 0x9697a)
                #8  0x00007e84c9b292bc n/a (libc.so.6 + 0x11a2bc)
                
                Stack trace of thread 6057:
                #0  0x00007e84c9aadf32 n/a (libc.so.6 + 0x9ef32)
                #1  0x00007e84c9aa239c n/a (libc.so.6 + 0x9339c)
                #2  0x00007e84c9aa23e4 n/a (libc.so.6 + 0x933e4)
                #3  0x00007e84c9b1c2f6 ppoll (libc.so.6 + 0x10d2f6)
                #4  0x00007e84c9384784 n/a (libglib-2.0.so.0 + 0x60784)
                #5  0x00007e84c9384a17 g_main_loop_run (libglib-2.0.so.0 + 0x60a17)
                #6  0x00007e84c40752e4 n/a (libgio-2.0.so.0 + 0x11a2e4)
                #7  0x00007e84c93bb8bc n/a (libglib-2.0.so.0 + 0x978bc)
                #8  0x00007e84c9aa597a n/a (libc.so.6 + 0x9697a)
                #9  0x00007e84c9b292bc n/a (libc.so.6 + 0x11a2bc)
                
                Stack trace of thread 6751:
                #0  0x00007e84c9aadf32 n/a (libc.so.6 + 0x9ef32)
                #1  0x00007e84c9aa239c n/a (libc.so.6 + 0x9339c)
                #2  0x00007e84c9aa23e4 n/a (libc.so.6 + 0x933e4)
                #3  0x00007e84c9b1c2f6 ppoll (libc.so.6 + 0x10d2f6)
                #4  0x00007e84c9384784 n/a (libglib-2.0.so.0 + 0x60784)
                #5  0x00007e84c9384865 g_main_context_iteration (libglib-2.0.so.0 + 0x60865)
                #6  0x00007e84ca44fcb2 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt6Core.so.6 + 0x44fcb2)
                #7  0x00007e84ca176cf6 _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt6Core.so.6 + 0x176cf6)
                #8  0x00007e84ca29277e _ZN7QThread4execEv (libQt6Core.so.6 + 0x29277e)
                #9  0x00007e84ca331c7a n/a (libQt6Core.so.6 + 0x331c7a)
                #10 0x00007e84c9aa597a n/a (libc.so.6 + 0x9697a)
                #11 0x00007e84c9b292bc n/a (libc.so.6 + 0x11a2bc)
                ELF object binary architecture: AMD x86-64
Comment 1 Tobias Fella 2026-02-12 14:45:32 UTC 
This looks heavily like a bug in qt. I can reproduce this with my distro session (Qt 6.10.1, Plasma 6.5.5), but not with my self-built session with self-built qt