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Description of problem:

When SELinux policy loading modules that modify the allow rules for init_t, a daemon-reexec is needed for those rules to be applied. This is a duplicate of https://bugzilla.redhat.com/show_bug.cgi?id=1197886 which was fixed systemd v245 in Fedora.

Version-Release number of selected component (if applicable):
systemd-239-31.el8_2.2.x86_64


How reproducible:
always


Steps to Reproduce:
1. install snapd from epel-8 (pulls in snapd-selinux)
2. install the lxd snap, a socket service for the snap is created during the install, the install fails
3. observe the following denial: avc:  denied  { create } for  pid=1 comm="systemd" name="unix.socket" scontext=system_u:system_r:init_t:s0 tcontext=system_u:object_r:var_t:s0 tclass=sock_file permissive=0
4. the rule is allowed by snapd-selinux module
5. run systemctl daemon-reexec
6. successfuly install the lxd snap again

Note: I cannot try this on 8.2 because snapd--or, rather, snapd-selinux--cannot be installed due to a version clash with selinux-policy. And I cannot reproduce it on 8.3...

fix merged to github master branch -> https://github.com/systemd-rhel/rhel-8/pull/140

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (Moderate: systemd security, bug fix, and enhancement update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2021:1611