1 files changed, 28 insertions, 0 deletions
diff --git a/test/msan/Linux/name_to_handle_at.cc b/test/msan/Linux/name_to_handle_at.cc
new file mode 100644
index 000000000000..0ff8d982f4f7
--- /dev/null
+++ b/test/msan/Linux/name_to_handle_at.cc
@@ -0,0 +1,28 @@
+// RUN: %clangxx_msan -std=c++11 -O0 -g %s -o %t && %run %t
+
+#include <assert.h>
+#include <fcntl.h>
+#include <sanitizer/msan_interface.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+int main(void) {
+  struct file_handle *handle = reinterpret_cast<struct file_handle *>(
+      malloc(sizeof(*handle) + MAX_HANDLE_SZ));
+  handle->handle_bytes = MAX_HANDLE_SZ;
+
+  int mount_id;
+  int res = name_to_handle_at(AT_FDCWD, "/bin/cat", handle, &mount_id, 0);
+  assert(!res);
+  __msan_check_mem_is_initialized(&mount_id, sizeof(mount_id));
+  __msan_check_mem_is_initialized(&handle->handle_bytes,
+                                  sizeof(handle->handle_bytes));
+  __msan_check_mem_is_initialized(&handle->handle_type,
+                                  sizeof(handle->handle_type));
+  __msan_check_mem_is_initialized(&handle->f_handle, handle->handle_bytes);
+
+  free(handle);
+  return 0;
+}