diff options
Diffstat (limited to 'test/cfi/overwrite.cpp')
| -rw-r--r-- | test/cfi/overwrite.cpp | 35 |
1 files changed, 21 insertions, 14 deletions
diff --git a/test/cfi/overwrite.cpp b/test/cfi/overwrite.cpp index d7e58d9277e9..a24e628326f3 100644 --- a/test/cfi/overwrite.cpp +++ b/test/cfi/overwrite.cpp @@ -1,23 +1,28 @@ -// RUN: %clangxx_cfi -o %t %s -// RUN: not --crash %t 2>&1 | FileCheck --check-prefix=CFI %s +// RUN: %clangxx_cfi -o %t1 %s +// RUN: %expect_crash %t1 2>&1 | FileCheck --check-prefix=CFI %s -// RUN: %clangxx_cfi -DB32 -o %t %s -// RUN: not --crash %t 2>&1 | FileCheck --check-prefix=CFI %s +// RUN: %clangxx_cfi -DB32 -o %t2 %s +// RUN: %expect_crash %t2 2>&1 | FileCheck --check-prefix=CFI %s -// RUN: %clangxx_cfi -DB64 -o %t %s -// RUN: not --crash %t 2>&1 | FileCheck --check-prefix=CFI %s +// RUN: %clangxx_cfi -DB64 -o %t3 %s +// RUN: %expect_crash %t3 2>&1 | FileCheck --check-prefix=CFI %s -// RUN: %clangxx_cfi -DBM -o %t %s -// RUN: not --crash %t 2>&1 | FileCheck --check-prefix=CFI %s +// RUN: %clangxx_cfi -DBM -o %t4 %s +// RUN: %expect_crash %t4 2>&1 | FileCheck --check-prefix=CFI %s -// RUN: %clangxx -o %t %s -// RUN: %t 2>&1 | FileCheck --check-prefix=NCFI %s +// RUN: %clangxx -o %t5 %s +// RUN: %t5 2>&1 | FileCheck --check-prefix=NCFI %s + +// RUN: %clangxx_cfi_diag -o %t6 %s +// RUN: %t6 2>&1 | FileCheck --check-prefix=CFI-DIAG %s // Tests that the CFI mechanism crashes the program when a virtual table is // replaced with a compatible table of function pointers that does not belong to // any class, by manually overwriting the virtual table of an object and // attempting to make a call through it. +// REQUIRES: cxxabi + #include <stdio.h> #include "utils.h" @@ -31,7 +36,7 @@ void foo() { fprintf(stderr, "foo\n"); } -void *fake_vtable[] = { (void *)&foo }; +void *fake_vtable[] = { 0, 0, (void *)&foo }; int main() { #ifdef B32 @@ -50,7 +55,7 @@ int main() { #endif A *a = new A; - *((void **)a) = fake_vtable; // UB here + *((void **)a) = fake_vtable + 2; // UB here break_optimization(a); // CFI: 1 @@ -59,9 +64,11 @@ int main() { // CFI-NOT: foo // NCFI: foo + // CFI-DIAG: runtime error: control flow integrity check for type 'A' failed during virtual call + // CFI-DIAG-NEXT: note: invalid vtable a->f(); - // CFI-NOT: 2 - // NCFI: 2 + // CFI-NOT: {{^2$}} + // NCFI: {{^2$}} fprintf(stderr, "2\n"); } |