Re: F36: removing systemd-resolved breaks chrony

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Symlinks obviously ends with non-expected SELinux contexts. I think this is actually a bug in SELinux policy for Network Manager. Because target file has wrong selinux context.

$ ls -Z /run/NetworkManager/no-stub-resolv.conf
system_u:object_r:NetworkManager_var_run_t:s0 /run/NetworkManager/no-stub-resolv.conf
$ ls -Z /etc/resolv.conf
system_u:object_r:net_conf_t:s0 /etc/resolv.conf

Fix that by:

rm -f /etc/resolv.conf
touch /etc/resolv.conf
systemctl restart NetworkManager.service

If the file is good old plain text file, it would get permissions as it always had.

On 28. 05. 22 14:51, Sam Varshavchik wrote:
It seems that uninstalling systemd-resolved and repointing /etc/resolv.conf ends up breaking chrony:

type=AVC msg=audit(1653741361.179:318): avc:  denied  { getattr } for  pid=856 comm="chronyd" path="/run/NetworkManager/no-stub-resolv.conf" dev="tmpfs" ino=1525 scontext=system_u:system_r:chronyd_t:s0 tcontext=system_u:object_r:NetworkManager_var_run_t:s0 tclass=file permissive=0

This is spamming me every minute, now.

Bug 2091275


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Petr Menšík
Software Engineer, RHEL
Red Hat, http://www.redhat.com/
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