aboutsummaryrefslogtreecommitdiff
path: root/test/cfi/base-derived-destructor.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'test/cfi/base-derived-destructor.cpp')
-rw-r--r--test/cfi/base-derived-destructor.cpp93
1 files changed, 93 insertions, 0 deletions
diff --git a/test/cfi/base-derived-destructor.cpp b/test/cfi/base-derived-destructor.cpp
new file mode 100644
index 000000000000..c5e9db1092a6
--- /dev/null
+++ b/test/cfi/base-derived-destructor.cpp
@@ -0,0 +1,93 @@
+// RUN: %clangxx_cfi -o %t1 %s
+// RUN: %expect_crash %t1 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 %t3 %s
+// RUN: %expect_crash %t3 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_cfi -O1 -o %t5 %s
+// RUN: %expect_crash %t5 2>&1 | FileCheck --check-prefix=CFI %s
+
+// RUN: %clangxx_cfi -O1 -DB32 -o %t6 %s
+// RUN: %expect_crash %t6 2>&1 | FileCheck --check-prefix=CFI %s
+
+// RUN: %clangxx_cfi -O1 -DB64 -o %t7 %s
+// RUN: %expect_crash %t7 2>&1 | FileCheck --check-prefix=CFI %s
+
+// RUN: %clangxx_cfi -O1 -DBM -o %t8 %s
+// RUN: %expect_crash %t8 2>&1 | FileCheck --check-prefix=CFI %s
+
+// RUN: %clangxx_cfi -O2 -o %t9 %s
+// RUN: %expect_crash %t9 2>&1 | FileCheck --check-prefix=CFI %s
+
+// RUN: %clangxx_cfi -O2 -DB32 -o %t10 %s
+// RUN: %expect_crash %t10 2>&1 | FileCheck --check-prefix=CFI %s
+
+// RUN: %clangxx_cfi -O2 -DB64 -o %t11 %s
+// RUN: %expect_crash %t11 2>&1 | FileCheck --check-prefix=CFI %s
+
+// RUN: %clangxx_cfi -O2 -DBM -o %t12 %s
+// RUN: %expect_crash %t12 2>&1 | FileCheck --check-prefix=CFI %s
+
+// RUN: %clangxx_cfi -O3 -o %t13 %s
+// RUN: %expect_crash %t13 2>&1 | FileCheck --check-prefix=CFI %s
+
+// RUN: %clangxx_cfi -O3 -DB32 -o %t14 %s
+// RUN: %expect_crash %t14 2>&1 | FileCheck --check-prefix=CFI %s
+
+// RUN: %clangxx_cfi -O3 -DB64 -o %t15 %s
+// RUN: %expect_crash %t15 2>&1 | FileCheck --check-prefix=CFI %s
+
+// RUN: %clangxx_cfi -O3 -DBM -o %t16 %s
+// RUN: %expect_crash %t16 2>&1 | FileCheck --check-prefix=CFI %s
+
+// RUN: %clangxx_cfi_diag -o %t17 %s
+// RUN: %t17 2>&1 | FileCheck --check-prefix=CFI-DIAG %s
+
+// RUN: %clangxx -o %t18 %s
+// RUN: %t18 2>&1 | FileCheck --check-prefix=NCFI %s
+
+// Tests that the CFI mechanism crashes the program when making a
+// base-to-derived cast from a destructor of the base class,
+// where both types have virtual tables.
+
+// REQUIRES: cxxabi
+
+#include <stdio.h>
+#include "utils.h"
+
+template<typename T>
+class A {
+ public:
+ T* context() { return static_cast<T*>(this); }
+
+ virtual ~A() {
+ break_optimization(context());
+ }
+};
+
+class B : public A<B> {
+ public:
+ virtual ~B() { }
+};
+
+int main() {
+ // CFI: 1
+ // NCFI: 1
+ fprintf(stderr, "1\n");
+
+ // CFI-DIAG: runtime error: control flow integrity check for type 'B' failed during base-to-derived cast
+ // CFI-DIAG-NEXT: note: vtable is of type '{{(class )?}}A<{{(class )?}}B>'
+ B* b = new B;
+ break_optimization(b);
+ delete b; // UB here
+
+ // CFI-NOT: {{^2$}}
+ // NCFI: {{^2$}}
+ fprintf(stderr, "2\n");
+}