diff --git a/include/linux/crypto.h b/include/linux/crypto.h index 9c8776d0ada8..90998348e564 100644 --- a/include/linux/crypto.h +++ b/include/linux/crypto.h @@ -1412,6 +1412,9 @@ static inline int crypto_aead_encrypt(struct aead_request *req) */ static inline int crypto_aead_decrypt(struct aead_request *req) { + if (req->cryptlen < crypto_aead_authsize(crypto_aead_reqtfm(req))) + return -EINVAL; + return crypto_aead_crt(crypto_aead_reqtfm(req))->decrypt(req); }