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| // RUN: %clangxx_msan %s -O0 -fsanitize=memory -fsanitize-memory-use-after-dtor -o %t && MSAN_OPTIONS=poison_in_dtor=1 %run %t
// RUN: %clangxx_msan %s -O1 -fsanitize=memory -fsanitize-memory-use-after-dtor -o %t && MSAN_OPTIONS=poison_in_dtor=1 %run %t
// RUN: %clangxx_msan %s -O2 -fsanitize=memory -fsanitize-memory-use-after-dtor -o %t && MSAN_OPTIONS=poison_in_dtor=1 %run %t
// RUN: %clangxx_msan %s -DCVPTR=1 -O2 -fsanitize=memory -fsanitize-memory-use-after-dtor -o %t && MSAN_OPTIONS=poison_in_dtor=1 not %run %t
// RUN: %clangxx_msan %s -DEAVPTR=1 -O2 -fsanitize=memory -fsanitize-memory-use-after-dtor -o %t && MSAN_OPTIONS=poison_in_dtor=1 not %run %t
// RUN: %clangxx_msan %s -DEDVPTR=1 -O2 -fsanitize=memory -fsanitize-memory-use-after-dtor -o %t && MSAN_OPTIONS=poison_in_dtor=1 not %run %t
// Expected to quit due to invalid access when invoking
// function using vtable.
class A {
public:
int x;
virtual ~A() {
// Should succeed
this->A_Foo();
}
virtual void A_Foo() {}
};
class B : public virtual A {
public:
int y;
virtual ~B() {}
virtual void A_Foo() {}
};
class C : public B {
public:
int z;
~C() {}
};
class D {
public:
int w;
~D() {}
virtual void D_Foo() {}
};
class E : public virtual A, public virtual D {
public:
int u;
~E() {}
void A_Foo() {}
};
int main() {
// Simple linear inheritance
C *c = new C();
c->~C();
// This fails
#ifdef CVPTR
c->A_Foo();
#endif
// Multiple inheritance, so has multiple vtables
E *e = new E();
e->~E();
// Both of these fail
#ifdef EAVPTR
e->A_Foo();
#endif
#ifdef EDVPTR
e->D_Foo();
#endif
}
|