ci: switch to permissive selinux mode during test

Signed-off-by: Adrian Reber <[email protected]>

scripts/ci/run-ci-tests.sh

@@ -292,10 +292,18 @@ if capsh --supports=cap_checkpoint_restore && unshare -c /bin/true; then
  make -C test/zdtm/ cleanout
  rm -rf test/dump
  setcap cap_checkpoint_restore,cap_sys_ptrace+eip criu/criu
+ if [ -d /sys/fs/selinux ]; then
+ # Note: selinux in Enforcing mode prevents us from calling clone3() or writing to ns_last_pid on restore; hence set to Permissive for the test and then set back.
+ selinuxmode=$(getenforce)
+ setenforce Permissive
+ fi
  # Run it as non-root in a user namespace. Since CAP_CHECKPOINT_RESTORE behaves differently in non-user namespaces (e.g. no access to map_files) this tests that we can dump and restore
  # under those conditions. Note that the "... && true" part is necessary; we need at least one statement after the tests so that bash can reap zombies in the user namespace,
  # otherwise it will exec the last statement and get replaced and nobody will be left to reap our zombies.
  sudo --user=#65534 --group=#65534 unshare -Ucfpm --mount-proc -- bash -c "./test/zdtm.py run -t zdtm/static/maps00 -f h --rootless && true"
+ if [ -d /sys/fs/selinux ]; then
+ setenforce "$selinuxmode"
+ fi
  setcap -r criu/criu
 else
  echo "Skipping unprivileged mode tests"