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Description of problem:
This is a sub-BZ of BZ #2091979 and related sub-BZ #2099203.
When poly-instantiation is enabled, ssh users cannot log in password-less because the PAM stack is not correct for authentication (see BZ #2099203).
We need a new PAM pam_namespace module to be included in the PAM stack for auth, this should be controlled by this new option.
Version-Release number of selected component (if applicable):
authselect-1.2.3-7.el9.x86_64
How reproducible:
Always
Steps to Reproduce:
1. See reproducer in BZ #2099203
I see Iker wants to implement thread safety first before including this module in authselect, so I will wait for notification that everything is ready and I can move on.
After thorough consideration, pam_namespace is not a module that should be put into generic system-auth or other files managed by authselect. It would cause issues and unexpected behavior.
The system-auth configuration is included in other pam services that may include pam_namespace on their own if it makes sense and at the same time there are services like su where pam_namespace is definitely not desirable.
Thus closing as wontfix.