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
Your backtrace is not very useful. Get yourself debug symbols and post it again. Ideally also run this through valgrind and tell us what valgrind says.
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Created attachment 161324 [details] Okular through Valgrind output I did have debug symbols installed, of both Okular and Kio. It didn't change the backtrace unfortunately. Not sure how useful the Valgrind output is but it's attached.
Not super useful sadly :(
This bug has been in NEEDSINFO status with no change for at least 30 days. The bug is now closed as RESOLVED > WORKSFORME due to lack of needed information. For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging Thank you for helping us make KDE software even better for everyone!