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> |
20 | int main(int argc, char **argv) { |
21 | assert(argc >= 2); |
22 | int idx = atoi(nptr: argv[1]); |
23 | char AAA[10], BBB[10], CCC[10]; |
24 | memset(s: AAA, c: 0, n: sizeof(AAA)); |
25 | memset(s: BBB, c: 0, n: sizeof(BBB)); |
26 | memset(s: CCC, c: 0, n: sizeof(CCC)); |
27 | int res = 0; |
28 | char *p = AAA + idx; |
29 | printf(format: "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 | // REQUIRES: shadow-scale-3 |
46 | |