[okular] [Bug 473476] New: Okular crashing (SIGSEGV) when saving a PDF

[Bart Ribbers]

https://bugs.kde.org/show_bug.cgi?id=473476

            Bug ID: 473476
           Summary: Okular crashing (SIGSEGV) when saving a PDF
    Classification: Applications
           Product: okular
           Version: 23.04.3
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: okular-devel at kde.org
          Reporter: bribbers at disroot.org
  Target Milestone: ---

SUMMARY
This happens seemingly in KIO, but I only experience it through Okular. Happens
every time I make any kind of modification to a PDF and try to save it.

Thread 25 "KIO::WorkerThre" received signal SIGSEGV, Segmentation fault.
[Switching to LWP 9837]
0x00007fffdf1f0789 in ?? () from /usr/lib/qt5/plugins/kf5/kio/kio_file.so
(gdb) bt
#0  0x00007fffdf1f0789 in ?? () from /usr/lib/qt5/plugins/kf5/kio/kio_file.so
#1  0x00007ffff7c07713 in KIO::SlaveBase::dispatch(int, QByteArray const&) ()
from /usr/lib/libKF5KIOCore.so.5
#2  0x00007ffff7c08326 in KIO::SlaveBase::dispatchLoop() () from
/usr/lib/libKF5KIOCore.so.5
#3  0x00007ffff7ca2935 in ?? () from /usr/lib/libKF5KIOCore.so.5
#4  0x00007ffff64ac9db in operator() (__closure=<optimized out>) at
thread/qthread_unix.cpp:350
#5  (anonymous
namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> >
(t=...) at thread/qthread_unix.cpp:287
#6  QThreadPrivate::start (arg=0x7fffe37ab620) at thread/qthread_unix.cpp:310
#7  0x00007ffff7fb8239 in start (p=0x7fffdd1f5860) at
src/thread/pthread_create.c:207
#8  0x00007ffff7fba83a in __clone () at src/thread/x86_64/clone.s:22

STEPS TO REPRODUCE
1. Open any PDF
2. Add some kind of annotations
3. Save the PDF

OBSERVED RESULT
Okular crashes instantly

EXPECTED RESULT
Okular saving the file properly

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Alpine Linux edge
(available in About System)
KDE Plasma Version: 5.27.7
KDE Frameworks Version: 5.108.0
Qt Version: 5.15.10 with KDE patches

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