https://bugs.kde.org/show_bug.cgi?id=482929
Bug ID: 482929
Summary: Krfb crashes with segmentation fault on Wayland when
scaling is enabled
Classification: Applications
Product: krfb
Version: 24.02.0
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: general
Assignee: grundleb...@googlemail.com
Reporter: anlaufdam...@gmail.com
Target Milestone: ---
Created attachment 166743
--> https://bugs.kde.org/attachment.cgi?id=166743&action=edit
GDB backtrace only - Arch
SUMMARY
Krfb crashes with segmentation fault on Wayland when scaling is enabled.
STEPS TO REPRODUCE
1. Start Plasma in a Wayland session
2. Enable scaling in System Settings with only a single monitor connected
3. Run Krfb and confirm the remote control request dialog
OBSERVED RESULT
Krfb terminates with a segmentation fault.
EXPECTED RESULT
Krfb starts sharing the desktop.
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 6.0.1
KDE Frameworks Version: 6.0.0
Qt Version: 6.6.2
Kernel Version: 6.7.9-zen1-1-zen (64-bit)
Graphics Platform: Wayland
Processors: 8 × Intel® Core™ i7-4790K CPU @ 4.00GHz
Memory: 30.3 GiB of RAM
Graphics Processor: NVIDIA GeForce GTX 980/PCIe/SSE2
Krfb Version: 24.02.0
Operating System: Fedora Linux 39
KDE Plasma Version: 5.27.10
KDE Frameworks Version: 5.115.0
Qt Version: 5.15.12
Kernel Version: 6.7.7-200.fc39.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 4 × Intel® Core™ i5-3230M CPU @ 2.60GHz
Memory: 11.6 GiB of RAM
Graphics Processor: Mesa Intel® HD Graphics 4000
Krfb Version: 23.08.5
ADDITIONAL INFORMATION
I was able to reproduce this issue on Arch running Krfb 24.02.0 and Plasma
6.0.1, as well as Fedora 39 running Krfb 23.08.5 and Plasma 5.27.10.
This issue does not seem to happen, when another monitor is connected which has
scaling disabled (100%) or when running under X11.
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