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
| // RUN: %clang_cl_asan -Od %p/dll_host.cpp -Fe%t
// RUN: %clang_cl_asan -LD -Od %s -Fe%t.dll
// RUN: not %run %t %t.dll 2>&1 | FileCheck %s
#include <stdio.h>
#include <string.h>
extern "C" __declspec(dllexport)
int test_function() {
char str[] = "Hello!";
if (6 != strlen(str))
return 1;
printf("Initial test OK\n");
fflush(0);
// CHECK: Initial test OK
str[6] = '!'; // Removes '\0' at the end!
int len = strlen(str);
// CHECK: AddressSanitizer: stack-buffer-overflow on address [[ADDR:0x[0-9a-f]+]]
// FIXME: Should be READ of size 1, see issue 155.
// CHECK: READ of size {{[0-9]+}} at [[ADDR]] thread T0
// CHECK-NEXT: {{#0 .*}}strlen
// CHECK-NEXT: {{#1 .* test_function .*}}dll_intercept_strlen.cpp:[[@LINE-5]]
//
// CHECK: Address [[ADDR]] is located in stack of thread T0 at offset {{.*}} in frame
// CHECK-NEXT: test_function {{.*}}dll_intercept_strlen.cpp:
return len > 42;
}
|