1 files changed, 14 insertions, 0 deletions
diff --git a/init/builtins.c b/init/builtins.c
index 5bda7a0..bb963c1 100644
--- a/init/builtins.c
+++ b/init/builtins.c
@@ -322,6 +322,14 @@ int do_mkdir(int nargs, char **args)
         if (_chown(args[1], uid, gid) < 0) {
             return -errno;
         }
+
+        /* chown may have cleared S_ISUID and S_ISGID, chmod again */
+        if (mode & (S_ISUID | S_ISGID)) {
+            ret = _chmod(args[1], mode);
+            if (ret == -1) {
+                return -errno;
+            }
+        }
     }
 
     return 0;
@@ -339,6 +347,12 @@ static struct {
     { "ro",         MS_RDONLY },
     { "rw",         0 },
     { "remount",    MS_REMOUNT },
+    { "bind",       MS_BIND },
+    { "rec",        MS_REC },
+    { "unbindable", MS_UNBINDABLE },
+    { "private",    MS_PRIVATE },
+    { "slave",      MS_SLAVE },
+    { "shared",     MS_SHARED },
     { "defaults",   0 },
     { 0,            0 },
 };