https://bugs.kde.org/show_bug.cgi?id=494335
Bug ID: 494335
Summary: Having xdg-open or kde-open as a preferred service
causes infinite loop and CPU spike
Classification: Frameworks and Libraries
Product: frameworks-kservice
Version: unspecified
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: kio-bugs-n...@kde.org
Reporter: akse...@akselmo.dev
CC: kdelibs-b...@kde.org
Target Milestone: ---
SUMMARY
There are some applications that have buggy file-opening or handling, and they
manage to set the mimetype to open with "xdg-open" or "kde-open."
This causes the file to open inside a recursive loop, eating CPU and causing
sad times.
The application that was reported to me is called `p4v` and apparently that has
a bug like this. I haven't been
able to test it in the application itself since it is proprietary + costs big
money.
It is an application side bug, but we should still handle these situations
gracefully to avoid users PC to be in weird place.
STEPS TO REPRODUCE
1. Create empty file
2. Set that file to always open with `xdg-open` or `kde-open`
3. Try opening the file with `xdg-open` or `kde-open` inside terminal
4. Try opening the file from Dolphin by clicking on it
OBSERVED RESULT
CPU spiking to 100%, user has to run `killall kde-open` in terminal to get rid
of it
EXPECTED RESULT
We would get the open-with dialog instead
SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 40
KDE Plasma Version: 6.2.80
KDE Frameworks Version: 6.7.0
Qt Version: 6.7.2
Kernel Version: 6.10.12-200.fc40.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 12 × AMD Ryzen 5 3600 6-Core Processor
Memory: 15,5 GiB of RAM
Graphics Processor: AMD Radeon RX 6600
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