1 files changed, 16 insertions, 0 deletions
diff --git a/test/hwasan/TestCases/malloc-test.c b/test/hwasan/TestCases/malloc-test.c
new file mode 100644
index 0000000000000..199464b9c3001
--- /dev/null
+++ b/test/hwasan/TestCases/malloc-test.c
@@ -0,0 +1,16 @@
+// Test basic malloc functionality.
+// RUN: %clang_hwasan %s -o %t
+// RUN: %run %t
+
+#include <stdlib.h>
+#include <assert.h>
+#include <sanitizer/hwasan_interface.h>
+#include <sanitizer/allocator_interface.h>
+
+int main() {
+  __hwasan_enable_allocator_tagging();
+  char *a1 = (char*)malloc(0);
+  assert(a1 != 0);
+  assert(__sanitizer_get_allocated_size(a1) == 0);
+  free(a1);
+}