1// RUN: %clang_asan -O2 %s -o %t
2// We need replace_str=0 and replace_intrin=0 to avoid reporting errors in
3// strlen() and memcpy() called by printf().
4// RUN: %env_asan_opts=replace_str=0:replace_intrin=0:check_printf=1 not %run %t 2>&1 | FileCheck --check-prefix=CHECK-ON %s
5// RUN: %env_asan_opts=replace_str=0:replace_intrin=0:check_printf=0 %run %t 2>&1 | FileCheck --check-prefix=CHECK-OFF %s
6// RUN: %env_asan_opts=replace_str=0:replace_intrin=0 not %run %t 2>&1 | FileCheck --check-prefix=CHECK-ON %s
7
8// FIXME: printf is not intercepted on Windows yet.
9// XFAIL: win32
10
11#include <stdio.h>
12#include <stdlib.h>
13#include <string.h>
14int main() {
15  volatile char c = '0';
16  volatile int x = 12;
17  volatile float f = 1.239;
18  volatile char s[] = "34";
19  char *p = strdup((const char *)s);
20  free(p);
21  printf("%c %d %.3f %s\n", c, x, f, p);
22  return 0;
23  // Check that %s is sanitized.
24  // CHECK-ON: heap-use-after-free
25  // CHECK-ON-NOT: 0 12 1.239 34
26  // CHECK-OFF: 0 12 1.239
27}
28