1 files changed, 25 insertions, 0 deletions
diff --git a/test/hwasan/TestCases/stack-oob.cc b/test/hwasan/TestCases/stack-oob.cc
new file mode 100644
index 000000000..60b9a6295
--- /dev/null
+++ b/test/hwasan/TestCases/stack-oob.cc
@@ -0,0 +1,25 @@
+// RUN: %clangxx_hwasan -DSIZE=16 -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
+// RUN: %clangxx_hwasan -DSIZE=64 -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
+// RUN: %clangxx_hwasan -DSIZE=0x1000 -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
+
+// REQUIRES: stable-runtime
+
+#include <stdlib.h>
+#include <sanitizer/hwasan_interface.h>
+
+__attribute__((noinline))
+int f() {
+  char z[SIZE];
+  char *volatile p = z;
+  return p[SIZE];
+}
+
+int main() {
+  return f();
+  // CHECK: READ of size 1 at
+  // CHECK: #0 {{.*}} in f{{.*}}stack-oob.cc:14
+
+  // CHECK: HWAddressSanitizer can not describe address in more detail.
+
+  // CHECK: SUMMARY: HWAddressSanitizer: tag-mismatch {{.*}} in f
+}