diff options
| -rw-r--r-- | drivers/crypto/msm/qce50.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/crypto/msm/qce50.c b/drivers/crypto/msm/qce50.c index 598b1aa0f4d7..7740a8c59126 100644 --- a/drivers/crypto/msm/qce50.c +++ b/drivers/crypto/msm/qce50.c @@ -1,6 +1,6 @@ /* Qualcomm Crypto Engine driver. * - * Copyright (c) 2012-2018, The Linux Foundation. All rights reserved. + * Copyright (c) 2012-2018, 2020 The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and @@ -846,6 +846,11 @@ static int _ce_setup_cipher(struct qce_device *pce_dev, struct qce_req *creq, switch (creq->alg) { case CIPHER_ALG_DES: if (creq->mode != QCE_MODE_ECB) { + if (ivsize > MAX_IV_LENGTH) { + pr_err("%s: error: Invalid length parameter\n", + __func__); + return -EINVAL; + } _byte_stream_to_net_words(enciv32, creq->iv, ivsize); pce = cmdlistinfo->encr_cntr_iv; pce->data = enciv32[0]; |