Merge pull request #1516 from poettering/dontisolaterootslice

Don't isolate `-.slice`

4 files changed, 11 insertions, 7 deletions

diff --git a/src/core/dbus-manager.c b/src/core/dbus-manager.c
index 9e21b0787d..3f4f60d6e2 100644
--- a/src/core/dbus-manager.c
+++ b/src/core/dbus-manager.c
@@ -122,8 +122,7 @@ static int property_get_tainted(
                 void *userdata,
                 sd_bus_error *error) {
 
-        char buf[sizeof("split-usr:mtab-not-symlink:cgroups-missing:local-hwclock:")] = "", *e = buf;
-        _cleanup_free_ char *p = NULL;
+        char buf[sizeof("split-usr:cgroups-missing:local-hwclock:")] = "", *e = buf;
         Manager *m = userdata;
 
         assert(bus);
@@ -133,9 +132,6 @@ static int property_get_tainted(
         if (m->taint_usr)
                 e = stpcpy(e, "split-usr:");
 
-        if (readlink_malloc("/etc/mtab", &p) < 0)
-                e = stpcpy(e, "mtab-not-symlink:");
-
         if (access("/proc/cgroups", F_OK) < 0)
                 e = stpcpy(e, "cgroups-missing:");
 
diff --git a/src/core/scope.c b/src/core/scope.c
index 7325e3601b..ea7d846578 100644
--- a/src/core/scope.c
+++ b/src/core/scope.c
@@ -534,6 +534,9 @@ static int scope_enumerate(Manager *m) {
         u->transient = true;
         u->default_dependencies = false;
         u->no_gc = true;
+        u->ignore_on_isolate = true;
+        u->refuse_manual_start = true;
+        u->refuse_manual_stop = true;
         SCOPE(u)->deserialized_state = SCOPE_RUNNING;
         SCOPE(u)->kill_context.kill_signal = SIGRTMIN+14;
 
diff --git a/src/core/slice.c b/src/core/slice.c
index 063024134a..1542e83eb6 100644
--- a/src/core/slice.c
+++ b/src/core/slice.c
@@ -274,6 +274,9 @@ static int slice_enumerate(Manager *m) {
 
         u->default_dependencies = false;
         u->no_gc = true;
+        u->ignore_on_isolate = true;
+        u->refuse_manual_start = true;
+        u->refuse_manual_stop = true;
         SLICE(u)->deserialized_state = SLICE_ACTIVE;
 
         if (!u->description)
diff --git a/src/libsystemd/sd-daemon/sd-daemon.c b/src/libsystemd/sd-daemon/sd-daemon.c
index 437518119b..582fb53529 100644
--- a/src/libsystemd/sd-daemon/sd-daemon.c
+++ b/src/libsystemd/sd-daemon/sd-daemon.c
@@ -450,8 +450,10 @@ _public_ int sd_pid_notify_with_fds(pid_t pid, int unset_environment, const char
 
         if (n_fds > 0 || have_pid) {
                 /* CMSG_SPACE(0) may return value different then zero, which results in miscalculated controllen. */
-                msghdr.msg_controllen = (n_fds ? CMSG_SPACE(sizeof(int) * n_fds) : 0) +
-                                        CMSG_SPACE(sizeof(struct ucred)) * have_pid;
+                msghdr.msg_controllen =
+                        (n_fds > 0 ? CMSG_SPACE(sizeof(int) * n_fds) : 0) +
+                        (have_pid ? CMSG_SPACE(sizeof(struct ucred)) : 0);
+
                 msghdr.msg_control = alloca(msghdr.msg_controllen);
 
                 cmsg = CMSG_FIRSTHDR(&msghdr);