nspawn: don't hide --bind=/tmp/* mounts (#4824)

Fixes #4789

1 files changed, 10 insertions, 0 deletions

diff --git a/test/TEST-13-NSPAWN-SMOKE/test.sh b/test/TEST-13-NSPAWN-SMOKE/test.sh
index 305866ae38..b8b8ec34bd 100755
--- a/test/TEST-13-NSPAWN-SMOKE/test.sh
+++ b/test/TEST-13-NSPAWN-SMOKE/test.sh
@@ -83,6 +83,14 @@ if unshare -U sh -c :; then
     is_user_ns_supported=yes
 fi
 
+function check_bind_tmp_path {
+    # https://github.com/systemd/systemd/issues/4789
+    local _root="/var/lib/machines/bind-tmp-path"
+    /create-busybox-container "$_root"
+    >/tmp/bind
+    systemd-nspawn --register=no -D "$_root" --bind=/tmp/bind /bin/sh -c 'test -e /tmp/bind'
+}
+
 function run {
     if [[ "$1" = "yes" && "$is_v2_supported" = "no" ]]; then
         printf "Unified cgroup hierarchy is not supported. Skipping.\n" >&2
@@ -113,6 +121,8 @@ function run {
     return 0
 }
 
+check_bind_tmp_path
+
 for api_vfs_writable in yes no network; do
     run no no $api_vfs_writable
     run yes no $api_vfs_writable