Esempi in C++ (Cpp) per __sanitizer_verify_contiguous_container

Esempio n. 1

File: asan.pass.cpp Progetto: 0xDEC0DE8/ndk

int main()
{
#if __cplusplus >= 201103L
    {
        typedef int T;
        typedef std::vector<T, min_allocator<T>> C;
        const T t[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
        C c(std::begin(t), std::end(t));
        c.reserve(2*c.size());
        T foo = c[c.size()];    // bad, but not caught by ASAN
    }
#endif
    
    __asan_set_error_exit_code(0);
    {
        typedef int T;
        typedef std::vector<T> C;
        const T t[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
        C c(std::begin(t), std::end(t));
        c.reserve(2*c.size());
        assert(is_contiguous_container_asan_correct(c)); 
        assert(!__sanitizer_verify_contiguous_container ( c.data(), c.data() + 1, c.data() + c.capacity()));
        T foo = c[c.size()];    // should trigger ASAN
        assert(false);          // if we got here, ASAN didn't trigger
    }
}

Esempio n. 2

File: asan.pass.cpp Progetto: georgix/llvm_libcxx

int main()
{
#if TEST_STD_VER >= 11
    {
        typedef int T;
        typedef std::vector<T, min_allocator<T>> C;
        const T t[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
        C c(std::begin(t), std::end(t));
        c.reserve(2*c.size());
        T foo = c[c.size()];    // bad, but not caught by ASAN
    }
#endif

    {
        typedef input_iterator<int*> MyInputIter;
        // Sould not trigger ASan.
        std::vector<int> v;
        v.reserve(1);
        int i[] = {42};
        v.insert(v.begin(), MyInputIter(i), MyInputIter(i + 1));
        assert(v[0] == 42);
        assert(is_contiguous_container_asan_correct(v));
    }

    __asan_set_error_exit_code(0);
    {
        typedef int T;
        typedef std::vector<T> C;
        const T t[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
        C c(std::begin(t), std::end(t));
        c.reserve(2*c.size());
        assert(is_contiguous_container_asan_correct(c));
        assert(!__sanitizer_verify_contiguous_container ( c.data(), c.data() + 1, c.data() + c.capacity()));
        T foo = c[c.size()];    // should trigger ASAN
        assert(false);          // if we got here, ASAN didn't trigger
    }
}