diff options
| -rw-r--r-- | net/nfc/digital_technology.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/nfc/digital_technology.c b/net/nfc/digital_technology.c index 63f1b721c71d..ae63c5eb06fa 100644 --- a/net/nfc/digital_technology.c +++ b/net/nfc/digital_technology.c @@ -424,6 +424,12 @@ static void digital_in_recv_sdd_res(struct nfc_digital_dev *ddev, void *arg, size = 4; } + if (target->nfcid1_len + size > NFC_NFCID1_MAXSIZE) { + PROTOCOL_ERR("4.7.2.1"); + rc = -EPROTO; + goto exit; + } + memcpy(target->nfcid1 + target->nfcid1_len, sdd_res->nfcid1 + offset, size); target->nfcid1_len += size; |