1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
// RUN: %clangxx_asan -O %s -o %t
// RUN: not %run %t crash 2>&1 | FileCheck --check-prefix=CHECK-CRASH %s
// RUN: not %run %t bad-bounds 2>&1 | FileCheck --check-prefix=CHECK-BAD-BOUNDS %s
// RUN: not %run %t bad-alignment 2>&1 | FileCheck --check-prefix=CHECK-BAD-ALIGNMENT %s
// RUN: %env_asan_opts=detect_container_overflow=0 %run %t crash
//
// Test crash due to __sanitizer_annotate_contiguous_container.
#include <assert.h>
#include <string.h>
extern "C" {
void __sanitizer_annotate_contiguous_container(const void *beg, const void *end,
const void *old_mid,
const void *new_mid);
} // extern "C"
static volatile int one = 1;
int TestCrash() {
long t[100];
t[60] = 0;
__sanitizer_annotate_contiguous_container(&t[0], &t[0] + 100, &t[0] + 100,
&t[0] + 50);
// CHECK-CRASH: AddressSanitizer: container-overflow
return (int)t[60 * one]; // Touches the poisoned memory.
}
void BadBounds() {
long t[100];
// CHECK-BAD-BOUNDS: ERROR: AddressSanitizer: bad parameters to __sanitizer_annotate_contiguous_container
__sanitizer_annotate_contiguous_container(&t[0], &t[0] + 100, &t[0] + 101,
&t[0] + 50);
}
void BadAlignment() {
int t[100];
// CHECK-BAD-ALIGNMENT: ERROR: AddressSanitizer: bad parameters to __sanitizer_annotate_contiguous_container
// CHECK-BAD-ALIGNMENT: ERROR: beg is not aligned by 8
__sanitizer_annotate_contiguous_container(&t[1], &t[0] + 100, &t[1] + 10,
&t[0] + 50);
}
int main(int argc, char **argv) {
assert(argc == 2);
if (!strcmp(argv[1], "crash"))
return TestCrash();
else if (!strcmp(argv[1], "bad-bounds"))
BadBounds();
else if (!strcmp(argv[1], "bad-alignment"))
BadAlignment();
}
|
