Merge branch 'master' into gfortran-testdevel/gfortran-test

1 files changed, 46 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/ubsan/pointer-counted-by-bounds.c b/gcc/testsuite/gcc.dg/ubsan/pointer-counted-by-bounds.c
new file mode 100644
index 0000000..c5a1ac5
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/ubsan/pointer-counted-by-bounds.c
@@ -0,0 +1,46 @@
+/* Test the attribute counted_by for pointer fields and its usage in
+   bounds sanitizer.  */
+/* { dg-do run } */
+/* { dg-options "-fsanitize=bounds" } */
+
+#include <stdlib.h>
+
+struct pointer_array {
+  int b;
+  int *c;
+} *p_array;
+
+struct annotated {
+  int b;
+  int *c __attribute__ ((counted_by (b)));
+} *p_array_annotated;
+
+void __attribute__((__noinline__)) setup (int normal_count, int annotated_count)
+{
+  p_array
+    = (struct pointer_array *) malloc (sizeof (struct pointer_array));
+  p_array->c = (int *) malloc (normal_count * sizeof (int));
+  p_array->b = normal_count;
+
+  p_array_annotated
+    = (struct annotated *) malloc (sizeof (struct annotated));
+  p_array_annotated->c = (int *) malloc (annotated_count * sizeof (int));
+  p_array_annotated->b = annotated_count;
+
+  return;
+}
+
+void __attribute__((__noinline__)) test (int normal_index, int annotated_index)
+{
+  p_array->c[normal_index] = 1;
+  p_array_annotated->c[annotated_index] = 2;
+}
+
+int main(int argc, char *argv[])
+{
+  setup (10, 10);   
+  test (10, 10);
+  return 0;
+}
+
+/* { dg-output "36:23: runtime error: index 10 out of bounds for type" } */