[konsole] [Bug 502205] New: Random crashes coinciding with file dialogues

Michał bugzilla_noreply at kde.org
Sun Mar 30 17:25:28 BST 2025 

https://bugs.kde.org/show_bug.cgi?id=502205

            Bug ID: 502205
           Summary: Random crashes coinciding with file dialogues
    Classification: Applications
           Product: konsole
           Version: 24.12.3
          Platform: Arch Linux
                OS: Linux
            Status: REPORTED
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: konsole-devel at kde.org
          Reporter: stepien241 at gmail.com
  Target Milestone: ---

SUMMARY
Konsole randomly crashes after selecting files in file selection dialogues

STEPS TO REPRODUCE
1. Open Konsole
2. Open a file selection dialogue in any other app
3. Select files
4. Click "Ok"

OBSERVED RESULT
Konsole crashes

EXPECTED RESULT
Konsole doesn't crash

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Arch Linux rolling / KDE Plasma 
KDE Plasma Version: 6.3.3
KDE Frameworks Version: 6.12.0
Qt Version: 6.8.3

ADDITIONAL INFORMATION
`KConfigWatcher::configChanged` and `Breeze::ToolsAreaManager::configUpdated`
appear repeatedly.
I'll paste all my backtraces below, starting with the latest one.

Application: Konsole (konsole), signal: Segmentation fault
Content of s_kcrashErrorMessage: std::unique_ptr<char []> = {get() = <optimized
out>}

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

warning: Can't open file anon_inode:i915.gem during file-backed mapping note
processing
[New LWP 8814]
[New LWP 8815]
[New LWP 8816]
[New LWP 8817]
[New LWP 8818]
[New LWP 8819]
Downloading 1.13 M separate debug info for
/usr/lib/qt6/plugins/imageformats/libqpdf.so...
Downloading 25.41 M separate debug info for
/usr/lib/qt6/plugins/imageformats/../../../libQt6Pdf.so.6...
Downloading 1.46 M separate debug info for
/usr/lib/qt6/plugins/imageformats/../../../libopenjp2.so.7...
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
Core was generated by `/usr/bin/konsole'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  __pthread_kill_implementation (threadid=<optimized out>,
signo=signo at entry=11, no_tid=no_tid at entry=0) at pthread_kill.c:44
44            return INTERNAL_SYSCALL_ERROR_P (ret) ? INTERNAL_SYSCALL_ERRNO
(ret) : 0;
[Current thread is 1 (Thread 0x752ef271fa40 (LWP 8814))]

Cannot QML trace cores :(
/usr/share/drkonqi/gdb/python/gdb_preamble/preamble.py:547: DeprecationWarning:
datetime.datetime.utcfromtimestamp() is deprecated and scheduled for removal in
a future version. Use timezone-aware objects to represent datetimes in UTC:
datetime.datetime.fromtimestamp(timestamp, datetime.UTC).
  boot_time =
datetime.utcfromtimestamp(psutil.boot_time()).strftime('%Y-%m-%dT%H:%M:%S')
/usr/share/drkonqi/gdb/python/gdb_preamble/preamble.py:564: DeprecationWarning:
datetime.datetime.utcnow() is deprecated and scheduled for removal in a future
version. Use timezone-aware objects to represent datetimes in UTC:
datetime.datetime.now(datetime.UTC).
  'timestamp': datetime.utcnow().isoformat(),
[Current thread is 1 (Thread 0x752ef271fa40 (LWP 8814))]

Thread 6 (Thread 0x752ed37ff6c0 (LWP 8819)):
#0  __syscall_cancel_arch () at
../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1  0x0000752efae9fe33 in __internal_syscall_cancel (a1=<optimized out>,
a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5 at entry=0,
a6=a6 at entry=4294967295, nr=202) at cancellation.c:49
#2  0x0000752efaea04bc in __futex_abstimed_wait_common64 (private=0,
futex_word=0x570cb297ea78, expected=<optimized out>, op=<optimized out>,
abstime=0x0, cancel=true) at futex-internal.c:57
#3  __futex_abstimed_wait_common (futex_word=futex_word at entry=0x570cb297ea78,
expected=<optimized out>, clockid=clockid at entry=0, abstime=abstime at entry=0x0,
private=private at entry=0, cancel=cancel at entry=true) at futex-internal.c:87
#4  0x0000752efaea051f in __GI___futex_abstimed_wait_cancelable64
(futex_word=futex_word at entry=0x570cb297ea78, expected=<optimized out>,
clockid=clockid at entry=0, abstime=abstime at entry=0x0, private=private at entry=0) at
futex-internal.c:139
#5  0x0000752efaea2c0e in __pthread_cond_wait_common (cond=0x570cb297ea58,
mutex=0x570cb297ea28, clockid=0, abstime=0x0) at pthread_cond_wait.c:426
#6  ___pthread_cond_wait (cond=0x570cb297ea58, mutex=0x570cb297ea28) at
pthread_cond_wait.c:458
#7  0x0000752ee93003ee in cnd_wait () at
../mesa-25.0.2/src/c11/impl/threads_posix.c:111
#8  0x0000752ee92caecc in util_queue_thread_func () at
../mesa-25.0.2/src/util/u_queue.c:275
#9  0x0000752ee930031d in impl_thrd_routine () at
../mesa-25.0.2/src/c11/impl/threads_posix.c:43
#10 0x0000752efaea370a in start_thread (arg=<optimized out>) at
pthread_create.c:448
#11 0x0000752efaf27aac in __GI___clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 5 (Thread 0x752ee8dff6c0 (LWP 8818)):
#0  __syscall_cancel_arch () at
../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1  0x0000752efae9fe33 in __internal_syscall_cancel (a1=<optimized out>,
a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5 at entry=0,
a6=a6 at entry=4294967295, nr=202) at cancellation.c:49
#2  0x0000752efaea04bc in __futex_abstimed_wait_common64 (private=0,
futex_word=0x570cb29942b0, expected=<optimized out>, op=<optimized out>,
abstime=0x0, cancel=true) at futex-internal.c:57
#3  __futex_abstimed_wait_common (futex_word=futex_word at entry=0x570cb29942b0,
expected=<optimized out>, clockid=clockid at entry=0, abstime=abstime at entry=0x0,
private=private at entry=0, cancel=cancel at entry=true) at futex-internal.c:87
#4  0x0000752efaea051f in __GI___futex_abstimed_wait_cancelable64
(futex_word=futex_word at entry=0x570cb29942b0, expected=<optimized out>,
clockid=clockid at entry=0, abstime=abstime at entry=0x0, private=private at entry=0) at
futex-internal.c:139
#5  0x0000752efaea2c0e in __pthread_cond_wait_common (cond=0x570cb2994290,
mutex=0x570cb2994260, clockid=0, abstime=0x0) at pthread_cond_wait.c:426
#6  ___pthread_cond_wait (cond=0x570cb2994290, mutex=0x570cb2994260) at
pthread_cond_wait.c:458
#7  0x0000752ee93003ee in cnd_wait () at
../mesa-25.0.2/src/c11/impl/threads_posix.c:111
#8  0x0000752ee92caecc in util_queue_thread_func () at
../mesa-25.0.2/src/util/u_queue.c:275
#9  0x0000752ee930031d in impl_thrd_routine () at
../mesa-25.0.2/src/c11/impl/threads_posix.c:43
#10 0x0000752efaea370a in start_thread (arg=<optimized out>) at
pthread_create.c:448
#11 0x0000752efaf27aac in __GI___clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 4 (Thread 0x752eebfff6c0 (LWP 8817)):
#0  __syscall_cancel_arch () at
../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1  0x0000752efae9fe33 in __internal_syscall_cancel
(a1=a1 at entry=128844388362976, a2=a2 at entry=2, a3=a3 at entry=-1, a4=a4 at entry=0,
a5=a5 at entry=0, a6=a6 at entry=0, nr=7) at cancellation.c:49
#2  0x0000752efae9fe74 in __syscall_cancel (a1=a1 at entry=128844388362976,
a2=a2 at entry=2, a3=a3 at entry=-1, a4=a4 at entry=0, a5=a5 at entry=0, a6=a6 at entry=0,
nr=7) at cancellation.c:75
#3  0x0000752efaf1a53e in __GI___poll (fds=fds at entry=0x752eebffeae0,
nfds=nfds at entry=2, timeout=timeout at entry=-1) at
../sysdeps/unix/sysv/linux/poll.c:29
#4  0x0000752ef71ae88d in poll (__fds=0x752eebffeae0, __nfds=2, __timeout=-1)
at /usr/include/bits/poll2.h:44
#5  QtWaylandClient::EventThread::run (this=0x570cb28f5ab0) at
/usr/src/debug/qt6-wayland/qtwayland/src/client/qwaylanddisplay.cpp:182
#6  0x0000752efaadc3db in operator() (__closure=<optimized out>) at
/usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:375
#7  (anonymous
namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> >
(t=...) at
/usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:311
#8  QThreadPrivate::start (arg=0x570cb28f5ab0) at
/usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:339
#9  0x0000752efaea370a in start_thread (arg=<optimized out>) at
pthread_create.c:448
#10 0x0000752efaf27aac in __GI___clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 3 (Thread 0x752ef0fff6c0 (LWP 8816)):
#0  __syscall_cancel_arch () at
../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1  0x0000752efae9fe33 in __internal_syscall_cancel
(a1=a1 at entry=128844472249056, a2=a2 at entry=2, a3=a3 at entry=-1, a4=a4 at entry=0,
a5=a5 at entry=0, a6=a6 at entry=0, nr=7) at cancellation.c:49
#2  0x0000752efae9fe74 in __syscall_cancel (a1=a1 at entry=128844472249056,
a2=a2 at entry=2, a3=a3 at entry=-1, a4=a4 at entry=0, a5=a5 at entry=0, a6=a6 at entry=0,
nr=7) at cancellation.c:75
#3  0x0000752efaf1a53e in __GI___poll (fds=fds at entry=0x752ef0ffeae0,
nfds=nfds at entry=2, timeout=timeout at entry=-1) at
../sysdeps/unix/sysv/linux/poll.c:29
#4  0x0000752ef71ae88d in poll (__fds=0x752ef0ffeae0, __nfds=2, __timeout=-1)
at /usr/include/bits/poll2.h:44
#5  QtWaylandClient::EventThread::run (this=0x570cb28e17c0) at
/usr/src/debug/qt6-wayland/qtwayland/src/client/qwaylanddisplay.cpp:182
#6  0x0000752efaadc3db in operator() (__closure=<optimized out>) at
/usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:375
#7  (anonymous
namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> >
(t=...) at
/usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:311
#8  QThreadPrivate::start (arg=0x570cb28e17c0) at
/usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:339
#9  0x0000752efaea370a in start_thread (arg=<optimized out>) at
pthread_create.c:448
#10 0x0000752efaf27aac in __GI___clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 2 (Thread 0x752ef1bff6c0 (LWP 8815)):
#0  __syscall_cancel_arch () at
../sysdeps/unix/sysv/linux/x86_64/syscall_cancel.S:56
#1  0x0000752efae9fe33 in __internal_syscall_cancel (a1=<optimized out>,
a2=<optimized out>, a3=<optimized out>, a4=<optimized out>, a5=a5 at entry=8,
a6=a6 at entry=0, nr=271) at cancellation.c:49
#2  0x0000752efae9fe74 in __syscall_cancel (a1=<optimized out>, a2=<optimized
out>, a3=<optimized out>, a4=<optimized out>, a5=a5 at entry=8, a6=a6 at entry=0,
nr=271) at cancellation.c:75
#3  0x0000752efaf1aa06 in __GI_ppoll (fds=fds at entry=0x570cb2871b10,
nfds=nfds at entry=3, timeout=<optimized out>, timeout at entry=0x0,
sigmask=sigmask at entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:42
#4  0x0000752ef7d69e27 in ppoll (__fds=0x570cb2871b10, __nfds=3, __timeout=0x0,
__ss=0x0) at /usr/include/bits/poll2.h:101
#5  g_main_context_poll_unlocked (priority=<optimized out>,
context=0x752eec000c80, timeout_usec=<optimized out>, fds=0x570cb2871b10,
n_fds=3) at ../glib/glib/gmain.c:4632
#6  g_main_context_iterate_unlocked.isra.0
(context=context at entry=0x752eec000c80, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>) at ../glib/glib/gmain.c:4309
#7  0x0000752ef7d05535 in g_main_context_iteration (context=0x752eec000c80,
may_block=1) at ../glib/glib/gmain.c:4379
#8  0x0000752efabc531d in QEventDispatcherGlib::processEvents
(this=0x752eec000b70, flags=...) at
/usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:399
#9  0x0000752efa961826 in QEventLoop::processEvents (this=0x752ef1bfeaa0,
flags=...) at
/usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventloop.cpp:103
#10 QEventLoop::exec (this=0x752ef1bfeaa0, flags=...) at
/usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventloop.cpp:185
#11 0x0000752efaa5a3f9 in QThread::exec (this=this at entry=0x752ef972fb20
<QGlobalStatic<QtGlobalStatic::Holder<(anonymous namespace)::Q_QGS__q_manager>
>::instance()::holder>) at
/usr/src/debug/qt6-base/qtbase/src/corelib/global/qflags.h:74
#12 0x0000752ef96a46ce in QDBusConnectionManager::run (this=0x752ef972fb20
<QGlobalStatic<QtGlobalStatic::Holder<(anonymous namespace)::Q_QGS__q_manager>
>::instance()::holder>) at
/usr/src/debug/qt6-base/qtbase/src/dbus/qdbusconnectionmanager.cpp:144
#13 0x0000752efaadc3db in operator() (__closure=<optimized out>) at
/usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:375
#14 (anonymous
namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> >
(t=...) at
/usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:311
#15 QThreadPrivate::start (arg=0x752ef972fb20
<QGlobalStatic<QtGlobalStatic::Holder<(anonymous namespace)::Q_QGS__q_manager>
>::instance()::holder>) at
/usr/src/debug/qt6-base/qtbase/src/corelib/thread/qthread_unix.cpp:339
#16 0x0000752efaea370a in start_thread (arg=<optimized out>) at
pthread_create.c:448
#17 0x0000752efaf27aac in __GI___clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 1 (Thread 0x752ef271fa40 (LWP 8814)):
[KCrash Handler]
#5  0x0000752efbcaf0b3 in QLayout::menuBar (this=<optimized out>) at
/usr/src/debug/qt6-base/qtbase/src/widgets/kernel/qlayout.cpp:898
#6  QMainWindow::menuBar (this=this at entry=0x570cb3336a70) at
/usr/src/debug/qt6-base/qtbase/src/widgets/widgets/qmainwindow.cpp:465
#7  0x0000752ee85ddd53 in Breeze::ToolsAreaManager::configUpdated
(this=0x570cb2abeb00) at
/usr/src/debug/breeze/breeze-6.3.3/kstyle/breezetoolsareamanager.cpp:144
#8  0x0000752efa9b3f1c in QtPrivate::QSlotObjectBase::call (this=<optimized
out>, r=<optimized out>, a=<optimized out>, this=<optimized out>, r=<optimized
out>, a=<optimized out>) at
/usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobjectdefs_impl.h:486
#9  doActivate<false> (sender=<optimized out>, signal_index=<optimized out>,
argv=<optimized out>) at
/usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobject.cpp:4123
#10 0x0000752efc1fe07e in KConfigWatcher::configChanged
(this=this at entry=0x570cb2ac0ec0, _t1=..., _t2=...) at
/usr/src/debug/kconfig/build/src/core/KF6ConfigCore_autogen/include/moc_kconfigwatcher.cpp:159
#11 0x0000752efc206c24 in KConfigWatcher::onConfigChangeNotification
(this=0x570cb2ac0ec0, changes=...) at
/usr/src/debug/kconfig/kconfig-6.12.0/src/core/kconfigwatcher.cpp:114
#12 KConfigWatcher::qt_static_metacall (_o=_o at entry=0x570cb2ac0ec0,
_c=_c at entry=QMetaObject::InvokeMetaMethod, _id=_id at entry=1,
_a=_a at entry=0x7fff290ab178) at
/usr/src/debug/kconfig/build/src/core/KF6ConfigCore_autogen/include/moc_kconfigwatcher.cpp:108
#13 0x0000752efc206df2 in KConfigWatcher::qt_metacall (this=0x570cb2ac0ec0,
_c=QMetaObject::InvokeMetaMethod, _id=1, _a=0x7fff290ab178) at
/usr/src/debug/kconfig/build/src/core/KF6ConfigCore_autogen/include/moc_kconfigwatcher.cpp:144
#14 0x0000752ef96b38a2 in QDBusConnectionPrivate::deliverCall
(this=0x752eec001690, object=0x570cb2ac0ec0, msg=..., metaTypes=..., slotIdx=5)
at /usr/src/debug/qt6-base/qtbase/src/dbus/qdbusintegrator.cpp:1008
#15 0x0000752efa9a498a in QObject::event (this=0x570cb2ac0ec0,
e=0x752eec012e00) at
/usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qobject.cpp:1418
#16 0x0000752efbaff04a in QApplicationPrivate::notify_helper (this=<optimized
out>, receiver=0x570cb2ac0ec0, e=0x752eec012e00) at
/usr/src/debug/qt6-base/qtbase/src/widgets/kernel/qapplication.cpp:3296
#17 0x0000752efa956c60 in QCoreApplication::notifyInternal2
(receiver=0x570cb2ac0ec0, event=event at entry=0x752eec012e00) at
/usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1177
#18 0x0000752efa95703c in QCoreApplication::sendEvent (receiver=<optimized
out>, event=0x752eec012e00) at
/usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1617
#19 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0,
data=0x570cb285f310) at
/usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1951
#20 0x0000752efabc793c in QCoreApplication::sendPostedEvents (receiver=0x0,
event_type=0) at
/usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qcoreapplication.cpp:1805
#21 postEventSourceDispatch (s=s at entry=0x570cb28661b0) at
/usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:246
#22 0x0000752ef7d06104 in g_main_dispatch (context=0x752eec000f00) at
../glib/glib/gmain.c:3398
#23 0x0000752ef7d69d57 in g_main_context_dispatch_unlocked
(context=0x752eec000f00) at ../glib/glib/gmain.c:4249
#24 g_main_context_iterate_unlocked.isra.0
(context=context at entry=0x752eec000f00, block=block at entry=1,
dispatch=dispatch at entry=1, self=<optimized out>) at ../glib/glib/gmain.c:4314
#25 0x0000752ef7d05535 in g_main_context_iteration (context=0x752eec000f00,
may_block=1) at ../glib/glib/gmain.c:4379
#26 0x0000752efabc531d in QEventDispatcherGlib::processEvents
(this=0x570cb28687e0, flags=...) at
/usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:399
#27 0x0000752efa961826 in QEventLoop::processEvents (this=0x7fff290ab7e0,
flags=...) at
/usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventloop.cpp:103
#28 QEventLoop::exec (this=0x7fff290ab7e0, flags=...) at
/usr/src/debug/qt6-base/qtbase/src/corelib/kernel/qeventloop.cpp:185
#29 0x0000752efa95a356 in QCoreApplication::exec () at
/usr/src/debug/qt6-base/qtbase/src/corelib/global/qflags.h:74
#30 0x0000752efbafaf1a in QApplication::exec () at
/usr/src/debug/qt6-base/qtbase/src/widgets/kernel/qapplication.cpp:2564
#31 0x0000570c922137a5 in main (argc=<optimized out>, argv=<optimized out>) at
/usr/src/debug/konsole/konsole-24.12.3/src/main.cpp:260

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