https://bugs.kde.org/show_bug.cgi?id=426750

            Bug ID: 426750
           Summary: Discover crashes when updating plasma themes
           Product: frameworks-knewstuff
           Version: unspecified
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: ad...@leinir.dk
          Reporter: vlad.zahorod...@kde.org
                CC: kdelibs-b...@kde.org
  Target Milestone: ---

SUMMARY


STEPS TO REPRODUCE
1. Install a plasma theme that gets regular updates
2. Wait for updates
3. Try to update the plasma theme using Discover

OBSERVED RESULT
There is a 50/50 chance that Discover crashes during the update.

EXPECTED RESULT
No crash.

SOFTWARE/OS VERSIONS
Discover: a33a2e09019be5177d48507ba08c1d344c047865
KNewStuff: 28f254aa6bdf5336f9b4a280f33577d5397fdcf8
KPackage: ab765ba261c331007a85ddd5b559e566509c2e68


ADDITIONAL INFORMATION

Backtrace of the crash:

* thread #22, name = 'Thread (pooled)', stop reason = signal SIGABRT
  * frame #0: 0x00007ffff3e7a615 libc.so.6`raise + 325
    frame #1: 0x00007ffff3e63862 libc.so.6`abort + 278
    frame #2: 0x00007ffff3ebc5e8 libc.so.6`__libc_message + 616
    frame #3: 0x00007ffff3ec427a libc.so.6`malloc_printerr + 26
    frame #4: 0x00007ffff3ec5b0c libc.so.6`_int_free + 1996
    frame #5: 0x00007ffff4465140
libQt5Core.so.5`QArrayData::deallocate(data=0x00007fff880143a0, objectSize=2,
alignment=8) at qarraydata.cpp:267:11
    frame #6: 0x00007fff9054b7f6
libKF5NewStuffCore.so.5`QTypedArrayData<unsigned
short>::deallocate(data=0x00007fff880143a0) at qarraydata.h:239:31
    frame #7: 0x00007fff9054b261
libKF5NewStuffCore.so.5`QString::~QString(this=0x00007fff9176db98) at
qstring.h:1302:67
    frame #8: 0x00007fff9059565e
libKF5NewStuffCore.so.5`KPackageTask::run(this=0x000055555748c7a0) at
kpackagejob.cpp:70:17
    frame #9: 0x00007ffff4455cad
libQt5Core.so.5`QThreadPoolThread::run(this=0x00007fff8c03d5b0) at
qthreadpool.cpp:100:27
    frame #10: 0x00007ffff444f85f
libQt5Core.so.5`QThreadPrivate::start(arg=0x00007fff8c03d5b0) at
qthread_unix.cpp:329:17
    frame #11: 0x00007ffff3b253e9 libpthread.so.0`start_thread + 233
    frame #12: 0x00007ffff3f3d293 libc.so.6`__clone + 67

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