**Describe the bug**
https://clickhouse-test-reports.s3.yandex.net/19372/0a155ee2f150d1aaed2c223ea7ec7bb816132ce5/fuzzer_msan/server.log

**How to reproduce**
```
SELECT encrypt('aes-128-cbc', 'text', 'keykeykeykeykeyk', '')
```
{
    MySQL,
    OpenSSL
};
enum class CipherMode
{
    MySQLCompatibility,   
    OpenSSLCompatibility, 
    RFC5116_AEAD_AES_GCM  
};
template <CipherMode mode>
struct KeyHolder
{
    inline StringRef setKey(size_t cipher_key_size, const StringRef & key) const