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-rw-r--r--src/nspawn/nspawn.c6
-rwxr-xr-xtest/TEST-13-NSPAWN-SMOKE/test.sh12
2 files changed, 18 insertions, 0 deletions
diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c
index 78ae2f4a0f..532be148a6 100644
--- a/src/nspawn/nspawn.c
+++ b/src/nspawn/nspawn.c
@@ -2363,6 +2363,12 @@ static int setup_sd_notify_child(void) {
return log_error_errno(errno, "bind(%s) failed: %m", sa.un.sun_path);
}
+ r = userns_lchown(NSPAWN_NOTIFY_SOCKET_PATH, 0, 0);
+ if (r < 0) {
+ safe_close(fd);
+ return log_error_errno(r, "Failed to chown " NSPAWN_NOTIFY_SOCKET_PATH ": %m");
+ }
+
r = setsockopt(fd, SOL_SOCKET, SO_PASSCRED, &one, sizeof(one));
if (r < 0) {
safe_close(fd);
diff --git a/test/TEST-13-NSPAWN-SMOKE/test.sh b/test/TEST-13-NSPAWN-SMOKE/test.sh
index b8b8ec34bd..75b99236a3 100755
--- a/test/TEST-13-NSPAWN-SMOKE/test.sh
+++ b/test/TEST-13-NSPAWN-SMOKE/test.sh
@@ -43,6 +43,9 @@ test_setup() {
cp create-busybox-container $initdir/
+ ./create-busybox-container $initdir/nc-container
+ initdir="$initdir/nc-container" dracut_install nc
+
# setup the testsuite service
cat >$initdir/etc/systemd/system/testsuite.service <<EOF
[Unit]
@@ -91,6 +94,13 @@ function check_bind_tmp_path {
systemd-nspawn --register=no -D "$_root" --bind=/tmp/bind /bin/sh -c 'test -e /tmp/bind'
}
+function check_notification_socket {
+ # https://github.com/systemd/systemd/issues/4944
+ local _cmd='echo a | $(busybox which nc) -U -u -w 1 /run/systemd/nspawn/notify'
+ systemd-nspawn --register=no -D /nc-container /bin/sh -x -c "$_cmd"
+ systemd-nspawn --register=no -D /nc-container -U /bin/sh -x -c "$_cmd"
+}
+
function run {
if [[ "$1" = "yes" && "$is_v2_supported" = "no" ]]; then
printf "Unified cgroup hierarchy is not supported. Skipping.\n" >&2
@@ -123,6 +133,8 @@ function run {
check_bind_tmp_path
+check_notification_socket
+
for api_vfs_writable in yes no network; do
run no no $api_vfs_writable
run yes no $api_vfs_writable