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Flatpak-ed GIMP runs as superuser? #1557
Linux distribution and version
Description of the problem
A user on Ubuntu reported us that Ubuntu is announcing that GIMP as flatpak is running as superuser. Since there is nothing special in our manifest (https://github.com/flathub/org.gimp.GIMP/) about such a thing, nor a need, I am assuming that the problem is either in flatpak and/or how Ubuntu detects that a process is owned by the superuser (probably through how the sandbox works).
Mailing list discussion: https://mail.gnome.org/archives/gimp-user-list/2018-April/msg00002.html
In any case, this is a bit of a trust issue if people believes GIMP runs as root.
This is probably due to the flatpak:ed app running in a different pid namespace and mate being confused about this. I don't think there is much we can do, we're not actually running as root, nor are we reporting that from flatpak anywhere, its just a detection issue in mate.
Linux distribution and version: Linux Mint 19 Cinnamon 64-bit (based on Ubuntu 18.04)
Flatpak version: 1.0.1
Description of the problem:
If I repeated the same command with:
The GIMP ran just fine, until reboot that is. Now GiMP won't run at all!
Ever since the Flatpak introduction, there are problems, ... could you maybe provide me with SIMPLE steps of debugging this Flatpak issue?