In the function process_crypto_cmd, the values of ptrs[i] can be potentially equal to NULL which is valid value after calling slice_map_array()

In the function process_crypto_cmd, the values of ptrs[i] can be potentially equal to NULL which is valid value after calling slice_map_array(). Later this values will be derefenced without prior NULL check, which can lead to local Temporary DoS or OOB Read, leading to information disclosure.