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
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
// Test that large memset/memcpy/memmove check the entire range.
// RUN: %clangxx_asan -O0 -DTEST_MEMSET %s -o %t && not %run %t 2>&1 | \
// RUN: FileCheck %s --check-prefix=CHECK-MEMSET
// RUN: %clangxx_asan -O1 -DTEST_MEMSET %s -o %t && not %run %t 2>&1 | \
// RUN: FileCheck %s --check-prefix=CHECK-MEMSET
// RUN: %clangxx_asan -O2 -DTEST_MEMSET %s -o %t && not %run %t 2>&1 | \
// RUN: FileCheck %s --check-prefix=CHECK-MEMSET
// RUN: %clangxx_asan -O3 -DTEST_MEMSET %s -o %t && not %run %t 2>&1 | \
// RUN: FileCheck %s --check-prefix=CHECK-MEMSET
// RUN: %clangxx_asan -O0 -DTEST_MEMCPY %s -o %t && not %run %t 2>&1 | \
// RUN: FileCheck %s --check-prefix=CHECK-MEMCPY
// RUN: %clangxx_asan -O1 -DTEST_MEMCPY %s -o %t && not %run %t 2>&1 | \
// RUN: FileCheck %s --check-prefix=CHECK-MEMCPY
// RUN: %clangxx_asan -O2 -DTEST_MEMCPY %s -o %t && not %run %t 2>&1 | \
// RUN: FileCheck %s --check-prefix=CHECK-MEMCPY
// RUN: %clangxx_asan -O3 -DTEST_MEMCPY %s -o %t && not %run %t 2>&1 | \
// RUN: FileCheck %s --check-prefix=CHECK-MEMCPY
// RUN: %clangxx_asan -O0 -DTEST_MEMMOVE %s -o %t && not %run %t 2>&1 | \
// RUN: FileCheck %s --check-prefix=CHECK-MEMMOVE
// RUN: %clangxx_asan -O1 -DTEST_MEMMOVE %s -o %t && not %run %t 2>&1 | \
// RUN: FileCheck %s --check-prefix=CHECK-MEMMOVE
// RUN: %clangxx_asan -O2 -DTEST_MEMMOVE %s -o %t && not %run %t 2>&1 | \
// RUN: FileCheck %s --check-prefix=CHECK-MEMMOVE
// RUN: %clangxx_asan -O3 -DTEST_MEMMOVE %s -o %t && not %run %t 2>&1 | \
// RUN: FileCheck %s --check-prefix=CHECK-MEMMOVE
// RUN: %clangxx_asan -O2 -DTEST_MEMCPY_SIZE_OVERFLOW %s -o %t && not %run %t 2>&1 | \
// RUN: FileCheck %s --check-prefix=CHECK-MEMCPY_SIZE_OVERFLOW
#include <assert.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <sanitizer/asan_interface.h>
typedef void *(*memcpy_t)(void *, const void *, size_t);
int main(int argc, char **argv) {
char * volatile p = (char *)malloc(3000);
__asan_poison_memory_region(p + 512, 32);
#if defined(TEST_MEMSET)
memset(p, 0, 3000);
assert(p[1] == 0);
// CHECK-MEMSET: AddressSanitizer: use-after-poison on address
// CHECK-MEMSET: in {{.*}}memset
#else
char * volatile q = (char *)malloc(3000);
#if defined(TEST_MEMCPY)
memcpy(q, p, 3000);
// CHECK-MEMCPY: AddressSanitizer: use-after-poison on address
// On Mac, memmove and memcpy are the same. Accept either one.
// CHECK-MEMCPY: in {{.*(memmove|memcpy)}}
#elif defined(TEST_MEMMOVE)
memmove(q, p, 3000);
// CHECK-MEMMOVE: AddressSanitizer: use-after-poison on address
// CHECK-MEMMOVE: in {{.*(memmove|memcpy)}}
#elif defined(TEST_MEMCPY_SIZE_OVERFLOW)
volatile memcpy_t my_memcpy = &memcpy;
my_memcpy(p, q, -argc);
// CHECK-MEMCPY_SIZE_OVERFLOW: AddressSanitizer: negative-size-param: (size=-1)
#endif
assert(q[1] == 0);
free(q);
#endif
free(p);
return 0;
}
|
