https://bugs.kde.org/show_bug.cgi?id=413518

            Bug ID: 413518
           Summary: Kwin crash when access phone from KDE connect
           Product: kwin
           Version: 5.17.1
          Platform: Archlinux Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kwin-bugs-n...@kde.org
          Reporter: thong01687300...@gmail.com
  Target Milestone: ---

Application: kwin_x11 (5.17.1)

Qt Version: 5.13.1
Frameworks Version: 5.63.0
Operating System: Linux 5.3.7-arch1-1-ARCH x86_64
Distribution: Arch Linux

-- Information about the crash:
- What I was doing when the application crashed:
Access to file explorer of android phone from KDE connect at computer
and do some actions such as copy/paste file, create folder, ...
Sometimes that lead to Hang/crash

The crash can be reproduced sometimes.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f9e679af880 (LWP 816))]

Thread 5 (Thread 0x7f9e575bf700 (LWP 1013)):
#0  0x00007f9e6d758c45 in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f9e6e0adedc in  () at /usr/lib/libQt5Script.so.5
#2  0x00007f9e6e0adef9 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007f9e6d7524cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f9e6fcd52d3 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f9e55bb0700 (LWP 995)):
#0  0x00007f9e6d758c45 in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f9e5620350c in  () at /usr/lib/dri/i965_dri.so
#2  0x00007f9e56203108 in  () at /usr/lib/dri/i965_dri.so
#3  0x00007f9e6d7524cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f9e6fcd52d3 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f9e6496f700 (LWP 956)):
#0  0x00007f9e6fccaae6 in ppoll () at /usr/lib/libc.so.6
#1  0x00007f9e6e802973 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f9e6e804003 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#3  0x00007f9e6e7ad4ec in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#4  0x00007f9e6e5df385 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5  0x00007f9e6cedb849 in  () at /usr/lib/libQt5Qml.so.5
#6  0x00007f9e6e5e05b0 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f9e6d7524cf in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f9e6fcd52d3 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f9e6664f700 (LWP 885)):
#0  0x00007f9e6fccaae6 in ppoll () at /usr/lib/libc.so.6
#1  0x00007f9e6e802973 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() at /usr/lib/libQt5Core.so.5
#2  0x00007f9e6e804003 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#3  0x00007f9e6e7ad4ec in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#4  0x00007f9e6e5df385 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#5  0x00007f9e6c856b37 in  () at /usr/lib/libQt5DBus.so.5
#6  0x00007f9e6e5e05b0 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f9e6d7524cf in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f9e6fcd52d3 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f9e679af880 (LWP 816)):
[KCrash Handler]
#5  0x0000000000686374 in  ()
#6  0x00007f9e6ceb4cf0 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007f9e6cc61b2b in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007f9e6cc61c58 in  () at /usr/lib/libQt5Qml.so.5
#9  0x00007f9e6cc631f2 in QV4::MemoryManager::~MemoryManager() () at
/usr/lib/libQt5Qml.so.5
#10 0x00007f9e6cde83b2 in QV4::ExecutionEngine::~ExecutionEngine() () at
/usr/lib/libQt5Qml.so.5
#11 0x00007f9e6cce7019 in QJSEngine::~QJSEngine() () at /usr/lib/libQt5Qml.so.5
#12 0x00007f9e6ce2a92d in QQmlEngine::~QQmlEngine() () at
/usr/lib/libQt5Qml.so.5
#13 0x00007f9e6ce2a96a in QQmlEngine::~QQmlEngine() () at
/usr/lib/libQt5Qml.so.5
#14 0x00007f9e6fc146a7 in __run_exit_handlers () at /usr/lib/libc.so.6
#15 0x00007f9e6fc1485e in  () at /usr/lib/libc.so.6
#16 0x00007f9e67834281 in  () at /usr/lib/libQt5XcbQpa.so.5
#17 0x00007f9e678674ee in  () at /usr/lib/libQt5XcbQpa.so.5
#18 0x00007f9e6e7ad4ec in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#19 0x00007f9e6e7b5326 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#20 0x00007f9e6fda6113 in kdemain () at /usr/lib/libkdeinit5_kwin_x11.so
#21 0x00007f9e6fbfd153 in __libc_start_main () at /usr/lib/libc.so.6
#22 0x000055f6350ae05e in _start ()
[Inferior 1 (process 816) detached]

Possible duplicates by query: bug 413507, bug 413385, bug 413381, bug 413371,
bug 413351.

Reported using DrKonqi

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