diff --git a/components/libc/compilers/newlib/syscalls.c b/components/libc/compilers/newlib/syscalls.c
index 9919e11727..24506476c6 100644
--- a/components/libc/compilers/newlib/syscalls.c
+++ b/components/libc/compilers/newlib/syscalls.c
@@ -442,3 +442,14 @@ void abort(void)
 
     while (1);
 }
+
+uid_t getuid(void)
+{
+    return 0;
+}
+
+mode_t umask(mode_t mask)
+{
+    return 022;
+}
+