OpenSSL AES Decryption fails randomly C++

[WuJinze via openssl-users <openssl-users@xxxxxxxxxxx>]

Dear OpenSSL Group,

    Greetings. I was working on writing simple aes encrypt/decrypt wrapper function in c++ and running into a strange problem. The minimal reproducible examples in gist seems working fine but when i uncomment lines 90-92, it will fail to decrypt randomly. Can someone help me to figure out what's wrong with the code?

    Here is my code: OpenSSL AES Decryption fails randomly C++ (github.com). OpenSSL version is OpenSSL 1.1.1f. G++ version is 9.4.0.

Regards, 

Jinze