1// RUN: %clangxx_asan -O2 %s -o %t
2// RUN: not %run %t -2 2>&1 | FileCheck --check-prefix=CHECK-m2 %s
3// RUN: not %run %t -1 2>&1 | FileCheck --check-prefix=CHECK-m1 %s
4// RUN: %run %t 0
5// RUN: %run %t 8
6// RUN: not %run %t 9  2>&1 | FileCheck --check-prefix=CHECK-9  %s
7// RUN: not %run %t 10 2>&1 | FileCheck --check-prefix=CHECK-10 %s
8// RUN: not %run %t 30 2>&1 | FileCheck --check-prefix=CHECK-30 %s
9// RUN: not %run %t 31 2>&1 | FileCheck --check-prefix=CHECK-31 %s
10// RUN: not %run %t 41 2>&1 | FileCheck --check-prefix=CHECK-41 %s
11// RUN: not %run %t 42 2>&1 | FileCheck --check-prefix=CHECK-42 %s
12// RUN: not %run %t 62 2>&1 | FileCheck --check-prefix=CHECK-62 %s
13// RUN: not %run %t 63 2>&1 | FileCheck --check-prefix=CHECK-63 %s
14// RUN: not %run %t 73 2>&1 | FileCheck --check-prefix=CHECK-73 %s
15// RUN: not %run %t 74 2>&1 | FileCheck --check-prefix=CHECK-74 %s
16#include <string.h>
17#include <stdio.h>
18#include <stdlib.h>
19#include <assert.h>
20int main(int argc, char **argv) {
21  assert(argc >= 2);
22  int idx = atoi(argv[1]);
23  char AAA[10], BBB[10], CCC[10];
24  memset(AAA, 0, sizeof(AAA));
25  memset(BBB, 0, sizeof(BBB));
26  memset(CCC, 0, sizeof(CCC));
27  int res = 0;
28  char *p = AAA + idx;
29  printf("AAA: %p\ny: %p\nz: %p\np: %p\n", AAA, BBB, CCC, p);
30  // make sure BBB and CCC are not removed;
31  return *(short*)(p) + BBB[argc % 2] + CCC[argc % 2];
32}
33// CHECK-m2: 'AAA' <== {{.*}}underflows this variable
34// CHECK-m1: 'AAA' <== {{.*}}partially underflows this variable
35// CHECK-9:  'AAA' <== {{.*}}partially overflows this variable
36// CHECK-10: 'AAA' <== {{.*}}overflows this variable
37// CHECK-30: 'BBB' <== {{.*}}underflows this variable
38// CHECK-31: 'BBB' <== {{.*}}partially underflows this variable
39// CHECK-41: 'BBB' <== {{.*}}partially overflows this variable
40// CHECK-42: 'BBB' <== {{.*}}overflows this variable
41// CHECK-62: 'CCC' <== {{.*}}underflows this variable
42// CHECK-63: 'CCC' <== {{.*}}partially underflows this variable
43// CHECK-73: 'CCC' <== {{.*}}partially overflows this variable
44// CHECK-74: 'CCC' <== {{.*}}overflows this variable
45