[tests/selinux] pr775-checkpolicy-revdeps: Update systemd-oomd test

[tests/selinux] pr775-checkpolicy-revdeps: Update systemd-oomd test

[Zdenek Pytela]

            A new commit has been pushed.

            Repo   : tests/selinux
            Branch : pr775-checkpolicy-revdeps
            Commit : bbaec0906ee230e8b8ad4d01079e0dcde0f84a3f
            Author : Zdenek Pytela <zpytela@redhat.com>
            Date   : 2025-08-11T13:41:35+02:00
            Stats  : +2/-1 in 1 file(s)
            URL    : https://src.fedoraproject.org/tests/selinux/c/bbaec0906ee230e8b8ad4d01079e0dcde0f84a3f?branch=pr775-checkpolicy-revdeps

            Log:
            Update systemd-oomd test

Do not check the type of /proc/pressure with matchpathcon because
the type is assigned using genfscon which is not recognised by
userspace tools.

Ensure that the /etc/systemd/system/-.slice.d and
/etc/systemd/system/user@.service.d directories exist before
creating files in them.

---
diff --git a/selinux-policy/systemd-oomd/runtest.sh b/selinux-policy/systemd-oomd/runtest.sh
index 1534656..6ab389b 100755
--- a/selinux-policy/systemd-oomd/runtest.sh
+++ b/selinux-policy/systemd-oomd/runtest.sh
@@ -71,7 +71,6 @@ rlJournalStart
             rlLog "The ${SERVICE_NAME} service is not SELinux confined."
         else
         rlSEMatchPathCon "${FILE_PATH}" "${FILE_CONTEXT}"
-        rlSEMatchPathCon "/proc/pressure" "proc_psi_t"
         rlSESearchRule "allow systemd_oomd_t proc_psi_t : file { getattr ioctl lock open read } [ ]"
         rlSESearchRule "allow systemd_oomd_t domain : dir { getattr ioctl lock open read search } [ ]"
         rlSESearchRule "allow systemd_oomd_t domain : file { getattr ioctl lock open read } [ ]"
@@ -93,12 +92,14 @@ rlJournalStart
         rlRun "systemctl status ${SERVICE_NAME}"
 
         # enable swap-based killing on all units in the root slice
+        mkdir -p /etc/systemd/system/-.slice.d
         cat >> /etc/systemd/system/-.slice.d/override.conf << EOF
 [Slice]
 ManagedOOMSwap=kill
 EOF
 
         # memory pressure example settings
+        mkdir -p /etc/systemd/system/user@.service.d
         cat >> /etc/systemd/system/user@.service.d/override.conf << EOF
 [Service]
 ManagedOOMMemoryPressure=kill