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f0db4de598
kwallet sets a limit of 1000 for a single characters for environment
variables read from the socket[1]. wrapQtApps gives us a huge value
for QT_PLUGIN_PATH (up to 13000 bytes on my system!) Since this was
overflowing, the Qt plugin loading mechanism was hitting a segfault
when it was trying to parse the truncated QT_PLUGIN_PATH.
So for now, we can just unset QT_PLUGIN_PATH in the pam_kwallet_init
script. kwalletd5 has its own QT_PLUGIN_PATH which it can use.
This problem occured on 20.03, but not 19.09. It’s unclear what
changes were made in that time, but likely that previously we weren’t
getting a QT_PLUGIN_PATH set in the plasma5 startup at all. This means
that in 19.09 our QT_PLUGIN_PATH value must have been small enough to
fit into the 1000 char limit.
Fixes #77290
[1]:
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|---|---|---|
| .. | ||
| breeze-plymouth | ||
| kde-gtk-config | ||
| kwin | ||
| libkscreen | ||
| libksysguard | ||
| plasma-desktop | ||
| plasma-integration | ||
| plasma-nm | ||
| plasma-vault | ||
| plasma-workspace | ||
| bluedevil.nix | ||
| breeze-grub.nix | ||
| breeze-gtk.nix | ||
| breeze-qt5.nix | ||
| default.nix | ||
| discover.nix | ||
| fetch.sh | ||
| kactivitymanagerd.nix | ||
| kde-cli-tools.nix | ||
| kdecoration.nix | ||
| kdeplasma-addons.nix | ||
| kgamma5.nix | ||
| khotkeys.nix | ||
| kinfocenter.nix | ||
| kmenuedit.nix | ||
| kscreen-417316.patch | ||
| kscreen.nix | ||
| kscreenlocker.nix | ||
| ksshaskpass.nix | ||
| ksysguard.nix | ||
| kwallet-pam.nix | ||
| kwayland-integration.nix | ||
| kwrited.nix | ||
| milou.nix | ||
| oxygen.nix | ||
| plasma-browser-integration.nix | ||
| plasma-pa.nix | ||
| plasma-workspace-wallpapers.nix | ||
| polkit-kde-agent.nix | ||
| powerdevil.nix | ||
| sddm-kcm.nix | ||
| srcs.nix | ||
| systemsettings.nix | ||
| user-manager.nix | ||
| xdg-desktop-portal-kde.nix | ||