Fixes for claude review report (#42152)

src/core/dbus-execute.c

@@ -123,19 +123,20 @@ static int property_get_cpu_affinity(
         _cleanup_(cpu_set_done) CPUSet s = {};
         _cleanup_free_ uint8_t *array = NULL;
         size_t allocated;
+        int r;
 
         assert(bus);
         assert(reply);
 
         if (c->cpu_affinity_from_numa) {
-                int r;
-
                 r = numa_to_cpu_set(&c->numa_policy, &s);
                 if (r < 0)
                         return r;
         }
 
-        (void) cpu_set_to_dbus(c->cpu_affinity_from_numa ? &s : &c->cpu_set,  &array, &allocated);
+        r = cpu_set_to_dbus(c->cpu_affinity_from_numa ? &s : &c->cpu_set, &array, &allocated);
+        if (r < 0)
+                return r;
 
         return sd_bus_message_append_array(reply, 'y', array, allocated);
 }

src/core/manager.c

@@ -5119,6 +5119,7 @@ static int manager_dispatch_pidref_transport_fd(sd_event_source *source, int fd,
 
         if (n != sizeof(child_pid)) {
                 log_warning("Got pidref message of unexpected size %zi (expected %zu), ignoring.", n, sizeof(child_pid));
+                cmsg_close_all(&msghdr);
                 return 0;
         }
 
@@ -5138,6 +5139,8 @@ static int manager_dispatch_pidref_transport_fd(sd_event_source *source, int fd,
                 }
         }
 
+        /* From this point on, the fds are owned by our local variables. Call cmsg_close_all no more. */
+
         /* Verify and set parent pidref. */
         if (!ucred || !pid_is_valid(ucred->pid)) {
                 log_warning("Received pidref message without valid credentials. Ignoring.");