https://bugs.kde.org/show_bug.cgi?id=368287

--- Comment #19 from Konrad Materka <kmate...@wp.pl> ---
Created attachment 114524
  --> https://bugs.kde.org/attachment.cgi?id=114524&action=edit
New crash information added by DrKonqi

dolphin (18.08.0) using Qt 5.11.1

- What I was doing when the application crashed:
This is probably related to Bug 391699. Happend while moving files (directory)
from ext4 to NTFS. I've got several popups with error messages saying:
"Access denied to %1." where %1 is a destination file.
I selected "skip" several times until I've got errror with only cancel and
retry. Then click on Cancel causes this crash. Looks that KJob object was
deleted and then used again. 

Sometimes it crashes one line earlier in the code:

Thread 1 (Thread 0x7f7c28092800 (LWP 12962)):
[KCrash Handler]
#6  0x00007f7c23476ad4 in KJob::isAutoDelete (this=this@entry=0x55e599ebbb50)
at ./src/lib/jobs/kjob.cpp:333
#7  0x00007f7c23476b21 in KJob::finishJob (this=this@entry=0x55e599ebbb50,
emitResult=emitResult@entry=true) at ./src/lib/jobs/kjob.cpp:112
#8  0x00007f7c23478a0a in KJob::emitResult (this=this@entry=0x55e599ebbb50) at
./src/lib/jobs/kjob.cpp:293
#9  0x00007f7c25e64559 in KIO::FileCopyJob::slotResult (this=0x55e599ebbb50,
job=0x55e599f16bd0) at ./src/core/filecopyjob.cpp:573

- Custom settings of the application:
NTFS mounted with this flags. It is default setting on Kubuntu/Neon. IIRC
changing it to something else workarounds this issue so it is important.
UUID=XXXXXXXXXXXXXXXX /media/Disk  ntfs    defaults,umask=007,gid=46 0       0
I guess that when files is moved Dolphin tries to change owner and permissions
to the source ones. On NTFS it fails which then somehow leads to crash in KJob.

-- Backtrace (Reduced):
#6  QCoreApplication::postEvent (receiver=receiver@entry=0x55e4b23907f0,
event=0x7fd3d800cd90, priority=priority@entry=0) at
kernel/qcoreapplication.cpp:1451
#7  0x00007fd3f18f27a1 in QObject::deleteLater (this=this@entry=0x55e4b23907f0)
at kernel/qobject.cpp:2172
#8  0x00007fd3f3293b3e in KJob::finishJob (this=this@entry=0x55e4b23907f0,
emitResult=emitResult@entry=true) at ./src/lib/jobs/kjob.cpp:113
#9  0x00007fd3f3295a0a in KJob::emitResult (this=this@entry=0x55e4b23907f0) at
./src/lib/jobs/kjob.cpp:293
#10 0x00007fd3f5c81559 in KIO::FileCopyJob::slotResult (this=0x55e4b23907f0,
job=0x55e4b22e9050) at ./src/core/filecopyjob.cpp:573

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