1 files changed, 17 insertions, 0 deletions
diff --git a/test/msan/getutent.cc b/test/msan/getutent.cc
new file mode 100644
index 0000000000000..36f9e1f1f7e30
--- /dev/null
+++ b/test/msan/getutent.cc
@@ -0,0 +1,17 @@
+// RUN: %clangxx_msan -O0 -g %s -o %t && %run %t
+
+#include <utmp.h>
+#include <utmpx.h>
+#include <sanitizer/msan_interface.h>
+
+int main(void) {
+  setutent();
+  while (struct utmp *ut = getutent())
+    __msan_check_mem_is_initialized(ut, sizeof(*ut));
+  endutent();
+
+  setutxent();
+  while (struct utmpx *utx = getutxent())
+    __msan_check_mem_is_initialized(utx, sizeof(*utx));
+  endutxent();
+}