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Description of problem: This is very similar to bug 1598506. When NetworkManager runs dnsmasq on current RHEL 7.7 nightlies (this also affects RHEL 8.0 and 8.1!), this SELinux error commonly appears:
kernel: type=1400 audit(1554705338.120:4): avc: denied { search } for pid=2377 comm="dnsmasq" name="NetworkManager" dev="dm-0" ino=25516457 scontext=system_u:system_r:dnsmasq_t:s0 tcontext=system_u:object_r:NetworkManager_var_lib_t:s0 tclass=dir permissive=0
Version-Release number of selected component (if applicable):
selinux-policy-3.13.1-242.el7.noarch
dnsmasq-2.76-9.el7.x86_64
NetworkManager-1.18.0-0.2.20190404git9a8fe5f339.el7.x86_64
How reproducible: Always (in our Cockpit tests)
This also often appears, so it's search and write:
audit: type=1400 audit(0): avc: denied { write } for pid=0 comm="dnsmasq" name="NetworkManager" dev="dm-0" ino=0 scontext=system_u:system_r:dnsmasq_t:s0 tcontext=system_u:object_r:NetworkManager_var_lib_t:s0 tclass=dir permissive=0
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, 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/RHBA-2020:1007