Bug 474794

SUMMARY
Application: kate (19.12.3)

Qt Version: 5.12.8
Frameworks Version: 5.68.0
Operating System: Linux 5.15.0-83-generic x86_64
Windowing system: X11
Distribution: Ubuntu 20.04.6 LTS

-- Information about the crash:
- What I was doing when the application crashed:

Partitioning a file image linked to a loop device.

- Unusual behavior I noticed:
 Dolphin and Kate crashed

- Custom settings of the application:
Operating System: Kubuntu 20.04
KDE Plasma Version: 5.18.8
KDE Frameworks Version: 5.68.0
Qt Version: 5.12.8
Kernel Version: 5.15.0-83-generic
OS Type: 64-bit
Processors: 8 × 11th Gen Intel® Core™ i7-1165G7 @ 2.80GHz
Memory: 15,3 GiB of RAM

The crash can be reproduced every time.

-- Backtrace:
Application: Kate (kate), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fda16206f40 (LWP 10515))]

Thread 4 (Thread 0x7fda0d102700 (LWP 10518)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x556159bf4af8) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x556159bf4aa8, cond=0x556159bf4ad0) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x556159bf4ad0, mutex=0x556159bf4aa8) at pthread_cond_wait.c:647
#3  0x00007fda0663a5eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#4  0x00007fda0663a1eb in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
#5  0x00007fda18d7b609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fda1a050133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fda0fc94700 (LWP 10517)):
#0  0x00007fda1a04399f in __GI___poll (fds=0x7fda0801b2f0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fda184d736e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fda184d74a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fda1a5e3453 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fda1a58a3ab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fda1a3c2785 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fda1a865efa in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007fda1a3c39d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fda18d7b609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007fda1a050133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fda150d7700 (LWP 10516)):
#0  0x00007fda1a04399f in __GI___poll (fds=0x7fda150d6c68, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fda18da6c1a in ?? () from /lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fda18da890a in xcb_wait_for_event () from /lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fda158db298 in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fda1a3c39d2 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fda18d7b609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007fda1a050133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fda16206f40 (LWP 10515)):
[KCrash Handler]
#6  0x00007fda0fde5351 in Solid::Device::udi() const () from /lib/x86_64-linux-gnu/libKF5Solid.so.5
#7  0x00007fda147994bc in ?? () from /lib/x86_64-linux-gnu/libKF5KIOFileWidgets.so.5
#8  0x00007fda14799bb1 in ?? () from /lib/x86_64-linux-gnu/libKF5KIOFileWidgets.so.5
#9  0x00007fda147a15d3 in ?? () from /lib/x86_64-linux-gnu/libKF5KIOFileWidgets.so.5
#10 0x00007fda147a1f44 in ?? () from /lib/x86_64-linux-gnu/libKF5KIOFileWidgets.so.5
#11 0x00007fda147a22bd in ?? () from /lib/x86_64-linux-gnu/libKF5KIOFileWidgets.so.5
#12 0x00007fda1a5b71d0 in QMetaObject::activate(QObject*, int, int, void**) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007fda0fde83d6 in Solid::DeviceNotifier::deviceAdded(QString const&) () from /lib/x86_64-linux-gnu/libKF5Solid.so.5
#14 0x00007fda1a5b71d0 in QMetaObject::activate(QObject*, int, int, void**) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007fda0fdd5ba6 in ?? () from /lib/x86_64-linux-gnu/libKF5Solid.so.5
#16 0x00007fda0fe28e87 in ?? () from /lib/x86_64-linux-gnu/libKF5Solid.so.5
#17 0x00007fda1a5b71d0 in QMetaObject::activate(QObject*, int, int, void**) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007fda0fdd92fe in ?? () from /lib/x86_64-linux-gnu/libKF5Solid.so.5
#19 0x00007fda0fdddda3 in ?? () from /lib/x86_64-linux-gnu/libKF5Solid.so.5
#20 0x00007fda1a87263b in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#21 0x00007fda1a5b7c2a in QObject::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007fda1b0eea66 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007fda1b0f80f0 in QApplication::notify(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007fda1a58b80a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#25 0x00007fda1a58e488 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007fda1a5e3e37 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007fda184d717d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007fda184d7400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007fda184d74a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007fda1a5e3435 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x00007fda1a58a3ab in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007fda1a592116 in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x000055615896cfd7 in ?? ()
#34 0x00007fda19f55083 in __libc_start_main (main=0x55615896ac50, argc=3, argv=0x7ffd27a84708, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd27a846f8) at ../csu/libc-start.c:308
#35 0x000055615896e59e in _start ()
[Inferior 1 (process 10515) detached]

Possible duplicates by query: bug 474747, bug 474724, bug 474065, bug 473781, bug 473491.

Report to https://bugs.kde.org/