diff options
Diffstat (limited to 'drivers/crypto/msm/qce.c')
| -rw-r--r-- | drivers/crypto/msm/qce.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/crypto/msm/qce.c b/drivers/crypto/msm/qce.c index 4cf95b90a2df..53c07aacc145 100644 --- a/drivers/crypto/msm/qce.c +++ b/drivers/crypto/msm/qce.c @@ -1,6 +1,6 @@ /* Qualcomm Crypto Engine driver. * - * Copyright (c) 2010-2016, The Linux Foundation. All rights reserved. + * Copyright (c) 2010-2016, 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 @@ -768,6 +768,11 @@ static int _ce_setup(struct qce_device *pce_dev, struct qce_req *q_req, switch (q_req->alg) { case CIPHER_ALG_DES: if (q_req->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, q_req->iv, ivsize); writel_relaxed(enciv32[0], pce_dev->iobase + CRYPTO_CNTR0_IV0_REG); |