https://bugs.kde.org/show_bug.cgi?id=390690

            Bug ID: 390690
           Summary: Crash using contextual "Compress to" option
           Product: ark
           Version: 17.12.2
          Platform: Neon Packages
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: [email protected]
          Reporter: [email protected]
                CC: [email protected]
  Target Milestone: ---

Application: ark (17.12.2)

Qt Version: 5.9.3
Frameworks Version: 5.43.0
Operating System: Linux 4.13.0-32-generic x86_64
Distribution: KDE neon Developer Edition

-- Information about the crash:
- What I was doing when the application crashed:
1. Open folder (dolphin)
2. Right click on any file --> compress --> compress to
3. crash happens

- Custom settings of the application:
It happens only if none if the "main" plugins is not enabled.
>From my testing it looks like "main" plugins are:
info-zip, libarchive, libzip, p7zip, rar, unarchiver.

So, if all of the other are enabled (bzip2, gzip, libarchive-read only), lzma)
then issue appears.
>From my understanding Ark can compress using only these "main" plugins.
What I would expect in this situation is some error message like "none of the
required plugins is enabled/installed" instead of crash.

The crash can be reproduced every time.

-- Backtrace:
Application: Ark (ark), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fce8855e8c0 (LWP 5771))]

Thread 5 (Thread 0x7fce65ccd700 (LWP 5775)):
#0  0x00007fce8472227d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fce7eeb76f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fce7ee73e74 in g_main_context_check () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fce7ee74330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fce7ee7449c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fce8504d6cb in QEventDispatcherGlib::processEvents
(this=0x7fce600008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007fce84ff5e2a in QEventLoop::exec (this=this@entry=0x7fce65ccccd0,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#7  0x00007fce84e1e8f4 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:515
#8  0x00007fce8240e315 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#9  0x00007fce84e23709 in QThreadPrivate::start (arg=0x7fce82682d40) at
thread/qthread_unix.cpp:368
#10 0x00007fce808a86ba in start_thread (arg=0x7fce65ccd700) at
pthread_create.c:333
#11 0x00007fce8473241d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7fce66b9e700 (LWP 5774)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fce6c188893 in ?? () from
/usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#2  0x00007fce6c1886f7 in ?? () from
/usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#3  0x00007fce808a86ba in start_thread (arg=0x7fce66b9e700) at
pthread_create.c:333
#4  0x00007fce8473241d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fce6739f700 (LWP 5773)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fce6c188893 in ?? () from
/usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#2  0x00007fce6c1886f7 in ?? () from
/usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
#3  0x00007fce808a86ba in start_thread (arg=0x7fce6739f700) at
pthread_create.c:333
#4  0x00007fce8473241d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fce75766700 (LWP 5772)):
#0  0x00007fce8472674d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fce7e055c62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fce7e0578d7 in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fce77cbd1f9 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fce84e23709 in QThreadPrivate::start (arg=0xcadd60) at
thread/qthread_unix.cpp:368
#5  0x00007fce808a86ba in start_thread (arg=0x7fce75766700) at
pthread_create.c:333
#6  0x00007fce8473241d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fce8855e8c0 (LWP 5771)):
[KCrash Handler]
#6  QString::toLatin1_helper (string=...) at tools/qstring.cpp:4551
#7  0x00007fce85087128 in QString::toLatin1() const & (this=0x7fce850e3168
<QListData::shared_null+8>) at
../../include/QtCore/../../src/corelib/tools/qstring.h:512
#8  QMimeBinaryProvider::resolveAlias (this=0xfb5bc0, name=...) at
mimetypes/qmimeprovider.cpp:479
#9  0x00007fce85075077 in QMimeDatabasePrivate::mimeTypeForName
(nameOrAlias=..., this=<optimized out>) at mimetypes/qmimedatabase.cpp:108
#10 QMimeDatabase::mimeTypeForName (this=this@entry=0x7fff3ca39420,
nameOrAlias=...) at mimetypes/qmimedatabase.cpp:327
#11 0x00007fce881d2063 in Kerfuffle::CreateDialog::currentMimeType
(this=this@entry=0xf73fe0) at /workspace/build/kerfuffle/createdialog.cpp:233
#12 0x00007fce881d3420 in Kerfuffle::CreateDialog::CreateDialog (this=0xf73fe0,
parent=<optimized out>, caption=..., startDir=...) at
/workspace/build/kerfuffle/createdialog.cpp:97
#13 0x00007fce881e1e8c in Kerfuffle::AddToArchive::showAddDialog
(this=this@entry=0xf77260) at /workspace/build/kerfuffle/addtoarchive.cpp:98
#14 0x000000000040cc2c in main (argc=5, argv=<optimized out>) at
/workspace/build/app/main.cpp:258

Reported using DrKonqi

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