blob: 2ec2b5bbc978858b38304c9f31c15ca1eed2a1bd (
plain)
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
|
// RUN: %clangxx -g -DSHARED_LIB %s -fPIC -shared -o %T/target_uninstrumented-so.so
// RUN: %clangxx_cfi_diag -g %s -o %t %T/target_uninstrumented-so.so
// RUN: %t 2>&1 | FileCheck %s
// REQUIRES: cxxabi
#include <stdio.h>
#include <string.h>
struct A {
virtual void f();
};
void *create_B();
#ifdef SHARED_LIB
struct B {
virtual void f();
};
void B::f() {}
void *create_B() {
return (void *)(new B());
}
#else
void A::f() {}
int main(int argc, char *argv[]) {
void *p = create_B();
// CHECK: runtime error: control flow integrity check for type 'A' failed during cast to unrelated type
// CHECK: invalid vtable in module {{.*}}target_uninstrumented-so.so
A *a = (A *)p;
memset(p, 0, sizeof(A));
// CHECK: runtime error: control flow integrity check for type 'A' failed during cast to unrelated type
// CHECK-NOT: invalid vtable in module
// CHECK: invalid vtable
a = (A *)p;
// CHECK: done
fprintf(stderr, "done %p\n", a);
}
#endif
|
