https://bugs.kde.org/show_bug.cgi?id=467394
Bug ID: 467394
Summary: kasts: Crashes with segmentation fault after a wrong/
invalid podcast URL was added.
Classification: Applications
Product: kasts
Version: 23.01.0
Platform: Other
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: general
Assignee: b...@mogwai.be
Reporter: felics-...@kettenbruch.de
Target Milestone: ---
Created attachment 157297
--> https://bugs.kde.org/attachment.cgi?id=157297&action=edit
Terminal output of just running `kasts`.
## SUMMARY
I tried to add a new podcast (probably using a wrong URL), and kasts crashed.
Now kasts will not come up at allm but crashes with a segmentation fault.
Even if an invalid podcast URL is entered via the GUI or present in the
database, this error should be handled gracefully and in no circumstance lead
to a segmentation fault. Segmentation faults are a sign that there might be
even a security hole.
## STEPS TO REPRODUCE
1. I opened `kasts` and tried to add a podcast URL. I don't remember the URL
and do not know where I can recover it from the `kasts` database.
2. `kasts` crashed.
3. Try to start `kasts`, it crashes with a segmentation fault.
## OBSERVED RESULT
When I start `kasts`, it prints to the terminal
```
Database version 6
qrc:/main.qml:419:5: QML ErrorListOverlay: Binding loop detected for property
"implicitHeight"
qrc:/main.qml:419:5: QML ErrorListOverlay: Binding loop detected for property
"implicitHeight"
qrc:/main.qml:128:26: QML OverlayDrawer: Binding loop detected for property
"implicitWidth"
qrc:/DesktopPlayerControls.qml:398:5: QML Dialog: Binding loop detected for
property "implicitHeight"
qrc:/DesktopPlayerControls.qml:398:5: QML Dialog: Binding loop detected for
property "implicitHeight"
Failed to load feed ""
Segmentation fault
```
and then crashes.
* `kasts --version` and `kasts --help` do run.
For step 3 above, I attach the following reports:
* Terminal output of just running `kasts`,
* terminal output of running `strace kasts`,
* terminal output of running `ltrace kasts`,
* terminal output of `gdb casts` with backtrace (gdb with pwndbg).
(My username I have censored and replaced with `[...]` from each attachment.)
I have installed `kasts` as a distribution package from Arch Linux, so no local
compilation, no debug information compiled in.
## EXPECTED RESULT
* Run without a crash, and report wrong podcast URLs.
## SOFTWARE/OS VERSIONS
* Linux/KDE Plasma: No KDE desktop, just standalone KDE application. `kasts`
version: 23.01.0.
* Distribution: Artix GNU/Linux, rolling release.
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