2 files changed, 13 insertions, 17 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;
         }
diff --git a/security/integrity/ima/ima_template_lib.c b/security/integrity/ima/ima_template_lib.c
index e8592e7bfc21..1506f0248572 100644
--- a/security/integrity/ima/ima_template_lib.c
+++ b/security/integrity/ima/ima_template_lib.c
@@ -27,7 +27,6 @@ static bool ima_template_hash_algo_allowed(u8 algo)
 enum data_formats {
         DATA_FMT_DIGEST = 0,
         DATA_FMT_DIGEST_WITH_ALGO,
-        DATA_FMT_EVENT_NAME,
         DATA_FMT_STRING,
         DATA_FMT_HEX
 };
@@ -37,18 +36,10 @@ static int ima_write_template_field_data(const void *data, const u32 datalen,
                                          struct ima_field_data *field_data)
 {
         u8 *buf, *buf_ptr;
-        u32 buflen;
+        u32 buflen = datalen;
 
-        switch (datafmt) {
-        case DATA_FMT_EVENT_NAME:
-                buflen = IMA_EVENT_NAME_LEN_MAX + 1;
-                break;
-        case DATA_FMT_STRING:
+        if (datafmt == DATA_FMT_STRING)
                 buflen = datalen + 1;
-                break;
-        default:
-                buflen = datalen;
-        }
 
         buf = kzalloc(buflen, GFP_KERNEL);
         if (!buf)
@@ -63,7 +54,7 @@ static int ima_write_template_field_data(const void *data, const u32 datalen,
          * split into multiple template fields (the space is the delimitator
          * character for measurements lists in ASCII format).
          */
-        if (datafmt == DATA_FMT_EVENT_NAME || datafmt == DATA_FMT_STRING) {
+        if (datafmt == DATA_FMT_STRING) {
                 for (buf_ptr = buf; buf_ptr - buf < datalen; buf_ptr++)
                         if (*buf_ptr == ' ')
                                 *buf_ptr = '_';
@@ -281,8 +272,6 @@ static int ima_eventname_init_common(struct integrity_iint_cache *iint,
 {
         const char *cur_filename = NULL;
         u32 cur_filename_len = 0;
-        enum data_formats fmt = size_limit ?
-            DATA_FMT_EVENT_NAME : DATA_FMT_STRING;
 
         BUG_ON(filename == NULL && file == NULL);
 
@@ -305,7 +294,7 @@ static int ima_eventname_init_common(struct integrity_iint_cache *iint,
                 cur_filename_len = IMA_EVENT_NAME_LEN_MAX;
 out:
         return ima_write_template_field_data(cur_filename, cur_filename_len,
-                                             fmt, field_data);
+                                             DATA_FMT_STRING, field_data);
 }
 
 /*