1 // Main executable is uninstrumented, but linked to ASan runtime.
2 // Regression test for https://code.google.com/p/address-sanitizer/issues/detail?id=357.
3 
4 // RUN: %clangxx -g -O0 %s -c -o %t.o
5 // RUN: %clangxx_asan -g -O0 %t.o -o %t
6 // RUN: %run %t 2>&1 | FileCheck %s
7 
8 #include <stdio.h>
9 #include <stdlib.h>
10 #include <string.h>
11 
12 #include "sanitizer/asan_interface.h"
13 
test_shadow(char * p,size_t size)14 void test_shadow(char *p, size_t size) {
15   fprintf(stderr, "p = %p\n", p);
16   char *q = (char *)__asan_region_is_poisoned(p, size);
17   fprintf(stderr, "=%zd=\n", q ? q - p : -1);
18 }
19 
main(int argc,char * argv[])20 int main(int argc, char *argv[]) {
21   char *p = (char *)malloc(10000);
22   test_shadow(p, 100);
23   free(p);
24   // CHECK: =-1=
25 
26   test_shadow((char *)&main, 1);
27   // CHECK: =-1=
28 
29   test_shadow((char *)&p, 1);
30   // CHECK: =-1=
31 
32   return 0;
33 }
34