blob: f3782dae02725c3f86d80b15c6585811ac39565d (
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
45
46
47
|
// Check that cross-DSO diagnostics print the names of both modules
// RUN: %clangxx_cfi_diag -g -DSHARED_LIB -fPIC -shared -o %dynamiclib %s %ld_flags_rpath_so
// RUN: %clangxx_cfi_diag -g -o %t_exe_suffix %s %ld_flags_rpath_exe
// RUN: %t_exe_suffix 2>&1 | FileCheck -DDSONAME=%xdynamiclib_namespec %s
// UNSUPPORTED: win32
// REQUIRES: cxxabi
#include <dlfcn.h>
#include <stdio.h>
struct S1 {
virtual void f1();
};
#ifdef SHARED_LIB
void S1::f1() {}
__attribute__((visibility("default"))) extern "C"
void* dso_symbol() { return new S1(); }
#else
int main() {
void* (*fp)(void) =
reinterpret_cast<void*(*)(void)>(dlsym(RTLD_DEFAULT, "dso_symbol"));
if (!fp) {
perror("failed to resolve dso_symbol");
return 1;
}
// CHECK: runtime error: control flow integrity check for type 'void *()' failed during indirect function call
// CHECK: dso_symbol defined here
// CHECK: check failed in {{.*}}_exe_suffix, destination function located in {{.*}}[[DSONAME]]
void *S = fp(); // trigger cfi-icall failure
// CHECK: runtime error: control flow integrity check for type 'S1' failed during cast to unrelated type
// CHECK: invalid vtable
// CHECK: check failed in {{.*}}_exe_suffix, vtable located in {{.*}}[[DSONAME]]
S1 *Scast = reinterpret_cast<S1*>(S); // trigger cfi-unrelated-cast failure
return 0;
}
#endif // SHARED_LIB
|
