https://bugs.kde.org/show_bug.cgi?id=375936

            Bug ID: 375936
           Summary: kdialog always crashes
           Product: kdialog
           Version: unspecified
          Platform: Other
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: br...@frogmouth.net
          Reporter: hsan...@gmail.com
  Target Milestone: ---

Invoking kdialog causes a crash in KDE. For example when saving a file from
Chrome the save dialog crashes and simply running the following command results
in a crash:

  kdialog -title="Save File" --getsavefilename /tmp

The crash report shows:

Application: kdialog (kdialog), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
[Current thread is 1 (Thread 0x7fdcf05d4940 (LWP 10373))]

Thread 3 (Thread 0x7fdcec886700 (LWP 10375)):
[KCrash Handler]
#6  0x00007fdcfe9cace7 in QObject::disconnect(QObject const*, char const*,
QObject const*, char const*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fdd01c42c50 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007fdd01c2f816 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#9  0x00007fdcfe7ceb48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fdcf9f686ba in start_thread (arg=0x7fdcec886700) at
pthread_create.c:333
#11 0x00007fdcfe0db82d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fdcee1e1700 (LWP 10374)):
#0  0x00007fdcfe0cfb5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fdcfb519c62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fdcfb51b8d7 in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fdcf0112d79 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fdcfe7ceb48 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fdcf9f686ba in start_thread (arg=0x7fdcee1e1700) at
pthread_create.c:333
#6  0x00007fdcfe0db82d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fdcf05d4940 (LWP 10373)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fdcfe7cf9fb in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fdcfe7ce6f6 in QThread::wait(unsigned long) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fdd01c2f5a6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#4  0x00007fdd01c2f639 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#5  0x00007fdcfe00eff8 in __run_exit_handlers (status=1, listp=0x7fdcfe3985f8
<__exit_funcs>, run_list_atexit=run_list_atexit@entry=true) at exit.c:82
#6  0x00007fdcfe00f045 in __GI_exit (status=<optimized out>) at exit.c:104
#7  0x00007fdcfe7df06e in QCommandLineParser::process(QStringList const&) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x000000000040c4a0 in ?? ()
#9  0x00007fdcfdff5830 in __libc_start_main (main=0x409f30, argc=4,
argv=0x7fff8aa257d8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fff8aa257c8) at ../csu/libc-start.c:291
#10 0x0000000000410159 in _start ()


This maybe is related to https://bugs.kde.org/show_bug.cgi?id=372239

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