https://bugs.kde.org/show_bug.cgi?id=422243

            Bug ID: 422243
           Summary: ksysguard crashed on close
           Product: ksysguard
           Version: 5.18.4
          Platform: Ubuntu Packages
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: ksysguard
          Assignee: ksysguard-b...@kde.org
          Reporter: report...@mailna.biz
                CC: plasma-b...@kde.org
  Target Milestone: ---

ubuntu 20.04
Open ksysguard and when closing crashes.

Application: System Monitor (ksysguard), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f0dc275bf00 (LWP 445116))]

Thread 5 (Thread 0x7f0db8d61700 (LWP 445130)):
#0  __GI___libc_read (nbytes=16, buf=0x7f0db8d60460, fd=25) at
../sysdeps/unix/sysv/linux/read.c:26
#1  __GI___libc_read (fd=25, buf=0x7f0db8d60460, nbytes=16) at
../sysdeps/unix/sysv/linux/read.c:24
#2  0x00007f0dcc6db89f in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0dcc692cfe in g_main_context_check () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0dcc693152 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f0dcc6932e3 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f0dd4bfb583 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f0dd4ba24db in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f0dd49da785 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f0dd4f2cefa in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#10 0x00007f0dd49db9d2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f0dccf36609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#12 0x00007f0dd6595103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f0dbb7fe700 (LWP 445124)):
#0  0x00007f0dd658896f in __GI___poll (fds=0x55e07efa05d0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f0dcc6931ae in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0dcc693533 in g_main_loop_run () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0dc33e4e9a in  () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f0dcc6bc931 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f0dccf36609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f0dd6595103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f0dbbfff700 (LWP 445123)):
#0  0x00007f0dd658896f in __GI___poll (fds=0x55e07ef8fdc0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f0dcc6931ae in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0dcc6932e3 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0dcc693331 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f0dcc6bc931 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f0dccf36609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f0dd6595103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f0dc18c5700 (LWP 445121)):
#0  0x00007f0dd658896f in __GI___poll (fds=0x7f0dc18c45a8, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f0dccfd6c1a in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f0dccfd890a in xcb_wait_for_event () at
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f0dc1e21298 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f0dd49db9d2 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f0dccf36609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6  0x00007f0dd6595103 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f0dc275bf00 (LWP 445116)):
[KCrash Handler]
#6  0x00007f0dd4a5f0bd in operator==(QString const&, QString const&) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f0dd5842c1b in QLabel::setText(QString const&) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#8  0x00007f0dd66e01f3 in  () at
/usr/lib/x86_64-linux-gnu/libkdeinit5_ksysguard.so
#9  0x00007f0dd6307eb8 in KSGRD::SensorAgent::processAnswer(char const*, int)
() at /usr/lib/x86_64-linux-gnu/libksgrd.so.7
#10 0x00007f0dd630f492 in  () at /usr/lib/x86_64-linux-gnu/libksgrd.so.7
#11 0x00007f0dd4bcf458 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f0dd4b1f211 in
QProcess::readyReadStandardOutput(QProcess::QPrivateSignal) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f0dd4b25919 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007f0dd4b25c82 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f0dd4bcf300 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007f0dd4bdbfe5 in QSocketNotifier::activated(int,
QSocketNotifier::QPrivateSignal) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f0dd4bdc341 in QSocketNotifier::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f0dd5706a66 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007f0dd57100f0 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007f0dd4ba393a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f0dd4bfc1c5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f0dcc692fbd in g_main_context_dispatch () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007f0dcc693240 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f0dcc6932e3 in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f0dd4bfb565 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007f0dd4ba24db in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007f0dd4baa246 in QCoreApplication::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x00007f0dd66e1fbe in kdemain () at
/usr/lib/x86_64-linux-gnu/libkdeinit5_ksysguard.so
#29 0x00007f0dd649a0b3 in __libc_start_main (main=0x55e07d763060, argc=1,
argv=0x7ffddd90bfa8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffddd90bf98) at ../csu/libc-start.c:308
#30 0x000055e07d76309e in _start ()
[Inferior 1 (process 445116) detached]

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