错误:池与此地址空间上的其他池重叠

#include <iostream>
#include <vector>

class MemoryPool {
public:
    MemoryPool(size_t blockSize, size_t numBlocks) : blockSize(blockSize), numBlocks(numBlocks) {
        for (size_t i = 0; i < numBlocks; ++i) {
            freeList.push_back(i * blockSize);
        }
    }

    void* allocate() {
        if (freeList.empty()) {
            throw std::bad_alloc();
        }
        size_t offset = freeList.back();
        freeList.pop_back();
        return reinterpret_cast<void*>(offset);
    }

    void deallocate(void* ptr) {
        if (ptr == nullptr) return;
        size_t offset = reinterpret_cast<size_t>(ptr);
        freeList.push_back(offset);
    }

private:
    size_t blockSize;
    size_t numBlocks;
    std::vector<size_t> freeList;
};

int main() {
    MemoryPool pool(64, 10);

    void* ptr1 = pool.allocate();
    void* ptr2 = pool.allocate();

    std::cout << "Allocated pointers: " << ptr1 << ", " << ptr2 << std::endl;

    pool.deallocate(ptr1);
    pool.deallocate(ptr2);

    return 0;
}