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/* Test the attribute counted_by for pointer fields and its usage in
bounds sanitizer combined with VLA. */
/* { dg-do run } */
/* { dg-options "-fsanitize=bounds" } */
/* { dg-output "index 11 out of bounds for type 'int \\\[\\\*\\\]\\\[\\\*\\\]'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*index 20 out of bounds for type 'int \\\[\\\*\\\]\\\[\\\*\\\]\\\[\\\*\\\]'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*index 11 out of bounds for type 'int \\\[\\\*\\\]\\\[\\\*\\\]'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*index 10 out of bounds for type 'int \\\[\\\*\\\]'\[^\n\r]*(\n|\r\n|\r)" } */
#include <stdlib.h>
void __attribute__((__noinline__)) setup_and_test_vla (int n, int m)
{
struct foo {
int n;
int (*p)[n] __attribute__((counted_by(n)));
} *f;
f = (struct foo *) malloc (sizeof (struct foo));
f->p = (int (*)[n]) malloc (m * sizeof (int[n]));
f->n = m;
f->p[m][n-1] = 1;
free (f->p);
free (f);
return;
}
void __attribute__((__noinline__)) setup_and_test_vla_1 (int n1, int n2, int m)
{
struct foo {
int n;
int (*p)[n2][n1] __attribute__((counted_by(n)));
} *f;
f = (struct foo *) malloc (sizeof(struct foo));
f->p = (int (*)[n2][n1]) malloc (m * sizeof (int[n2][n1]));
f->n = m;
f->p[m][n2][n1] = 1;
free (f->p);
free (f);
return;
}
int main(int argc, char *argv[])
{
setup_and_test_vla (10, 11);
setup_and_test_vla_1 (10, 11, 20);
return 0;
}
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