Bug 515500 - Systemsettings crashes after renaming audio device
Summary: Systemsettings crashes after renaming audio device
Status: REPORTED
Alias: None
Product: systemsettings
Classification: Applications
Component: generic-crash (other bugs)
Version First Reported In: 6.6.80
Platform: Compiled Sources Linux
: NOR crash
Target Milestone: ---
Assignee: Plasma Bugs List
URL:
Keywords: drkonqi
Depends on:
Blocks:
 
Reported: 2026-02-04 12:40 UTC by Nicolas Fella
Modified: 2026-02-04 18:22 UTC (History)
1 user (show)

See Also:
Latest Commit:
Version Fixed/Implemented In:
Sentry Crash Report:


Attachments
New crash information added by DrKonqi (86.95 KB, text/plain)
2026-02-04 12:40 UTC, Nicolas Fella
Details

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Description Nicolas Fella 2026-02-04 12:40:39 UTC
Application: systemsettings (6.6.80)
 (Compiled from sources)
ApplicationNotResponding [ANR]: false
Qt Version: 6.11.0
Frameworks Version: 6.23.0
Operating System: Linux 6.18.7-200.fc43.x86_64 x86_64
Windowing System: Wayland
Distribution: "Fedora Linux 43 (KDE Plasma Desktop Edition)"
DrKonqi: 6.6.80 [CoredumpBackend]

-- Information about the crash:
- Go to audio KCM
- Rename devices
- Give a new name
- Click Apply

The crash can be reproduced sometimes.

-- Backtrace (Reduced):
#5  __pthread_kill_implementation (threadid=<optimized out>, signo=signo@entry=6, no_tid=no_tid@entry=0) at pthread_kill.c:44
#6  0x00007f8f28e81493 in __pthread_kill_internal (threadid=<optimized out>, signo=6) at pthread_kill.c:89
#7  0x00007f8f28e2715e in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
#8  0x00007f8f28e0e6d0 in __GI_abort () at abort.c:77
#9  0x00007f8f28e0f73b in __libc_message_impl (fmt=fmt@entry=0x7f8f28fc17ea "%s\n") at ../sysdeps/posix/libc_fatal.c:138
#10 0x00007f8f28e8b665 in malloc_printerr (str=str@entry=0x7f8f28fc4d48 "malloc(): mismatching next->prev_size (unsorted)") at malloc.c:5895
#11 0x00007f8f28e8eac4 in _int_malloc (av=av@entry=0x7f8f28ff6ac0 <main_arena>, bytes=bytes@entry=4114) at malloc.c:4216
#12 0x00007f8f28e8f259 in __libc_malloc2 (bytes=4114) at malloc.c:3458
#13 0x00007f8f29772f58 in allocateHelper (dptr=0x7fffb7fcbb80, objectSize=1, alignment=16, capacity=4096, option=QArrayData::KeepSize) at /home/nico/workspace/qt6/qtbase/src/corelib/tools/qarraydata.cpp:179
#14 QArrayData::allocate1 (dptr=dptr@entry=0x7fffb7fcbb80, capacity=capacity@entry=4096, option=option@entry=QArrayData::KeepSize) at /home/nico/workspace/qt6/qtbase/src/corelib/tools/qarraydata.cpp:206
#15 0x00007f8f296ee2d1 in QTypedArrayData<char>::allocate (capacity=<optimized out>, option=QArrayData::KeepSize) at /home/nico/workspace/qt6/qtbase/src/corelib/tools/qarraydata.h:139
#16 QArrayDataPointer<char>::QArrayDataPointer (this=<optimized out>, alloc=<optimized out>, n=<optimized out>, option=QArrayData::KeepSize) at /home/nico/workspace/qt6/qtbase/src/corelib/tools/qarraydatapointer.h:56
#17 QByteArray::QByteArray (this=this@entry=0x7fffb7fcbbb0, size=size@entry=4096) at /home/nico/workspace/qt6/qtbase/src/corelib/text/qbytearray.cpp:1885
#18 0x00007f8f297aa922 in QRingChunk::QRingChunk (this=0x7fffb7fcbbb0, alloc=<optimized out>) at /home/nico/workspace/qt6/qtbase/src/corelib/tools/qringbuffer_p.h:35
#19 QRingBuffer::reserve (this=this@entry=0x2c28ff48, bytes=bytes@entry=1) at /home/nico/workspace/qt6/qtbase/src/corelib/tools/qringbuffer.cpp:115
#20 0x00007f8f298a7bff in QProcessPrivate::tryReadFromChannel (this=this@entry=0x2c28fe70, channel=channel@entry=0x2c290030) at /home/nico/workspace/qt6/qtbase/src/corelib/io/qprocess.cpp:1139


Reported using DrKonqi
Comment 1 Nicolas Fella 2026-02-04 12:40:40 UTC
Created attachment 189207 [details]
New crash information added by DrKonqi

DrKonqi auto-attaching complete backtrace.
Comment 2 TraceyC 2026-02-04 18:22:13 UTC
Searchable backtrace

Thread 1 (Thread 0x7f8f231b5540 (LWP 56231)):
[KCrash Handler]
#5  __pthread_kill_implementation (threadid=<optimized out>, signo=signo@entry=6, no_tid=no_tid@entry=0) at pthread_kill.c:44
#6  0x00007f8f28e81493 in __pthread_kill_internal (threadid=<optimized out>, signo=6) at pthread_kill.c:89
#7  0x00007f8f28e2715e in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
#8  0x00007f8f28e0e6d0 in __GI_abort () at abort.c:77
#9  0x00007f8f28e0f73b in __libc_message_impl (fmt=fmt@entry=0x7f8f28fc17ea "%s\n") at ../sysdeps/posix/libc_fatal.c:138
#10 0x00007f8f28e8b665 in malloc_printerr (str=str@entry=0x7f8f28fc4d48 "malloc(): mismatching next->prev_size (unsorted)") at malloc.c:5895
#11 0x00007f8f28e8eac4 in _int_malloc (av=av@entry=0x7f8f28ff6ac0 <main_arena>, bytes=bytes@entry=4114) at malloc.c:4216
#12 0x00007f8f28e8f259 in __libc_malloc2 (bytes=4114) at malloc.c:3458
#13 0x00007f8f29772f58 in allocateHelper (dptr=0x7fffb7fcbb80, objectSize=1, alignment=16, capacity=4096, option=QArrayData::KeepSize) at /home/nico/workspace/qt6/qtbase/src/corelib/tools/qarraydata.cpp:179
#14 QArrayData::allocate1 (dptr=dptr@entry=0x7fffb7fcbb80, capacity=capacity@entry=4096, option=option@entry=QArrayData::KeepSize) at /home/nico/workspace/qt6/qtbase/src/corelib/tools/qarraydata.cpp:206
#15 0x00007f8f296ee2d1 in QTypedArrayData<char>::allocate (capacity=<optimized out>, option=QArrayData::KeepSize) at /home/nico/workspace/qt6/qtbase/src/corelib/tools/qarraydata.h:139
#16 QArrayDataPointer<char>::QArrayDataPointer (this=<optimized out>, alloc=<optimized out>, n=<optimized out>, option=QArrayData::KeepSize) at /home/nico/workspace/qt6/qtbase/src/corelib/tools/qarraydatapointer.h:56
#17 QByteArray::QByteArray (this=this@entry=0x7fffb7fcbbb0, size=size@entry=4096) at /home/nico/workspace/qt6/qtbase/src/corelib/text/qbytearray.cpp:1885
#18 0x00007f8f297aa922 in QRingChunk::QRingChunk (this=0x7fffb7fcbbb0, alloc=<optimized out>) at /home/nico/workspace/qt6/qtbase/src/corelib/tools/qringbuffer_p.h:35
#19 QRingBuffer::reserve (this=this@entry=0x2c28ff48, bytes=bytes@entry=1) at /home/nico/workspace/qt6/qtbase/src/corelib/tools/qringbuffer.cpp:115
#20 0x00007f8f298a7bff in QProcessPrivate::tryReadFromChannel (this=this@entry=0x2c28fe70, channel=channel@entry=0x2c290030) at /home/nico/workspace/qt6/qtbase/src/corelib/io/qprocess.cpp:1139
#21 0x00007f8f298a7db4 in QProcessPrivate::_q_canReadStandardOutput (this=0x2c28fe70) at /home/nico/workspace/qt6/qtbase/src/corelib/io/qprocess.cpp:1197
#22 QProcessPrivate::_q_processDied (this=0x2c28fe70) at /home/nico/workspace/qt6/qtbase/src/corelib/io/qprocess.cpp:1223
#23 0x00007f8f2967c145 in QtPrivate::QSlotObjectBase::call (this=0x2bf31300, r=<optimized out>, a=0x7fffb7fcbda0) at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qobjectdefs_impl.h:461
#24 doActivate<false> (sender=0x2c675d60, signal_index=3, argv=argv@entry=0x7fffb7fcbda0) at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qobject.cpp:4372
#25 0x00007f8f29672209 in QMetaObject::activate (sender=sender@entry=0x2c675d60, m=m@entry=0x7f8f29bba740 <QSocketNotifier::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fffb7fcbda0) at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qobject.cpp:4432
#26 0x00007f8f2968c938 in QMetaObject::activate<void, QSocketDescriptor, QSocketNotifier::Type, QSocketNotifier::QPrivateSignal> (sender=0x2c675d60, mo=0x7f8f29bba740 <QSocketNotifier::staticMetaObject>, local_signal_index=0, ret=0x0) at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qobjectdefs.h:321
#27 QSocketNotifier::activated (this=this@entry=0x2c675d60, _t1=..., _t2=<optimized out>, _t3=...) at /home/nico/workspace/qt6/qtbase/src/corelib/Core_autogen/include/moc_qsocketnotifier.cpp:163
#28 0x00007f8f2968cf41 in QSocketNotifier::event (this=0x2c675d60, e=<optimized out>) at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qsocketnotifier.cpp:324
#29 0x00007f8f2abc6528 in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x2c675d60, e=0x7fffb7fcbed0) at /home/nico/workspace/qt6/qtbase/src/widgets/kernel/qapplication.cpp:3276
#30 0x00007f8f29605088 in QCoreApplication::notifyInternal2 (receiver=0x2c675d60, event=0x7fffb7fcbed0) at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qcoreapplication.cpp:1109
#31 0x00007f8f29605307 in QCoreApplication::sendEvent (receiver=<optimized out>, event=<optimized out>) at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qcoreapplication.cpp:1549
#32 0x00007f8f29988d9a in socketNotifierSourceDispatch (source=0x28d405a0) at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:77
#33 0x00007f8f26d972a3 in g_main_dispatch (context=0x7f8f10000f60) at ../glib/gmain.c:3565
#34 g_main_context_dispatch_unlocked (context=0x7f8f10000f60) at ../glib/gmain.c:4425
#35 0x00007f8f26da01f8 in g_main_context_iterate_unlocked (context=context@entry=0x7f8f10000f60, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/gmain.c:4490
#36 0x00007f8f26da03a3 in g_main_context_iteration (context=0x7f8f10000f60, may_block=1) at ../glib/gmain.c:4556
#37 0x00007f8f29987918 in QEventDispatcherGlib::processEvents (this=0x28c29190, flags=...) at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:399
#38 0x00007f8f296145cb in QEventLoop::exec (this=this@entry=0x7fffb7fcc140, flags=..., flags@entry=...) at /home/nico/workspace/qt6/qtbase/src/corelib/global/qflags.h:77
#39 0x00007f8f2960e29a in QCoreApplication::exec () at /home/nico/workspace/qt6/qtbase/src/corelib/kernel/qcoreapplication.cpp:1452
#40 0x00007f8f2a057380 in QGuiApplication::exec () at /home/nico/workspace/qt6/qtbase/src/gui/kernel/qguiapplication.cpp:1978
#41 0x00007f8f2abc6499 in QApplication::exec () at /home/nico/workspace/qt6/qtbase/src/widgets/kernel/qapplication.cpp:2546
#42 0x00000000004161ee in main (argc=<optimized out>, argv=<optimized out>) at /home/nico/kde/src/systemsettings/app/main.cpp:175