diff options
Diffstat (limited to 'security/integrity/ima/ima_crypto.c')
| -rw-r--r-- | security/integrity/ima/ima_crypto.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/security/integrity/ima/ima_crypto.c b/security/integrity/ima/ima_crypto.c index fdf60def52e9..d8b55c952005 100644 --- a/security/integrity/ima/ima_crypto.c +++ b/security/integrity/ima/ima_crypto.c @@ -161,15 +161,22 @@ static int ima_calc_field_array_hash_tfm(struct ima_field_data *field_data, return rc; for (i = 0; i < num_fields; i++) { + u8 buffer[IMA_EVENT_NAME_LEN_MAX + 1] = { 0 }; + u8 *data_to_hash = field_data[i].data; + u32 datalen = field_data[i].len; + if (strcmp(td->name, IMA_TEMPLATE_IMA_NAME) != 0) { rc = crypto_shash_update(&desc.shash, (const u8 *) &field_data[i].len, sizeof(field_data[i].len)); if (rc) break; + } else if (strcmp(td->fields[i]->field_id, "n") == 0) { + memcpy(buffer, data_to_hash, datalen); + data_to_hash = buffer; + datalen = IMA_EVENT_NAME_LEN_MAX + 1; } - rc = crypto_shash_update(&desc.shash, field_data[i].data, - field_data[i].len); + rc = crypto_shash_update(&desc.shash, data_to_hash, datalen); if (rc) break; } |