https://bugs.kde.org/show_bug.cgi?id=487471
Bug ID: 487471
Summary: SDDM KCM *silently* fails apply image wallpaper if
image filename contains backtick or tab.
Classification: Applications
Product: systemsettings
Version: 6.0.4
Platform: Fedora RPMs
URL: https://bugs.kde.org/show_bug.cgi?id=485565#c2
OS: Linux
Status: REPORTED
Severity: minor
Priority: NOR
Component: kcm_sddm
Assignee: plasma-b...@kde.org
Reporter: 4wy78...@rokejulianlockhart.addy.io
CC: k...@david-redondo.de, k...@davidedmundson.co.uk
Target Milestone: ---
SUMMARY
The SDDM KCM is *silently* unable to apply an image as its wallpaper if the
filename of the image contains a backtick (`) or tab ( ).
STEPS TO REPRODUCE
As https://bugs.kde.org/show_bug.cgi?id=485565#c2 explains, "It's caused by
having a backtick (`) or tab ( ) in the path to the file. Try placing a
JPEG with the most normal name possible (image.jpg) in a directory with solely
one of those characters. It reproducibly triggers this."
OBSERVED RESULT
The KCM fails to apply the image as SDDM's wallpaper.
EXPECTED RESULT
The KCM should properly sanitize the filename so that it can apply it (and at
the very least explain why it fails, if not).
SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 40
KDE Plasma Version: 6.0.4
KDE Frameworks Version: 6.2.0
Qt Version: 6.7.0
Kernel Version: 6.8.10-300.fc40.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 12 × AMD Ryzen 5 7600X 6-Core Processor
Memory: 30.5 GiB of RAM
Graphics Processor: AMD Radeon RX 5700
Manufacturer: ASRock
Product Name: X670E Taichi
ADDITIONAL INFORMATION
The issue appears identical to https://bugs.kde.org/show_bug.cgi?id=485565#c0,
except that it's for a different module. I haven't checked the source code to
ascertain whether both utilize a shared library for this operation.
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