diff options
Diffstat (limited to 'security/integrity/ima/ima_template.c')
| -rw-r--r-- | security/integrity/ima/ima_template.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/security/integrity/ima/ima_template.c b/security/integrity/ima/ima_template.c index e854862c9337..1310afc587f3 100644 --- a/security/integrity/ima/ima_template.c +++ b/security/integrity/ima/ima_template.c @@ -52,8 +52,11 @@ static int __init ima_template_setup(char *str) * If not, use CONFIG_IMA_DEFAULT_TEMPLATE. */ template_desc = lookup_template_desc(str); - if (!template_desc) + if (!template_desc) { + pr_err("template %s not found, using %s\n", + str, CONFIG_IMA_DEFAULT_TEMPLATE); return 1; + } /* * Verify whether the current hash algorithm is supported @@ -117,8 +120,11 @@ static int template_desc_init_fields(const char *template_fmt, int template_num_fields = template_fmt_size(template_fmt); int i, result = 0; - if (template_num_fields > IMA_TEMPLATE_NUM_FIELDS_MAX) + if (template_num_fields > IMA_TEMPLATE_NUM_FIELDS_MAX) { + pr_err("format string '%s' contains too many fields\n", + template_fmt); return -EINVAL; + } /* copying is needed as strsep() modifies the original buffer */ template_fmt_copy = kstrdup(template_fmt, GFP_KERNEL); @@ -137,6 +143,7 @@ static int template_desc_init_fields(const char *template_fmt, struct ima_template_field *f = lookup_template_field(c); if (!f) { + pr_err("field '%s' not found\n", c); result = -ENOENT; goto out; } @@ -163,8 +170,13 @@ struct ima_template_desc *ima_template_desc_current(void) int __init ima_init_template(void) { struct ima_template_desc *template = ima_template_desc_current(); + int result; - return template_desc_init_fields(template->fmt, - &(template->fields), - &(template->num_fields)); + result = template_desc_init_fields(template->fmt, + &(template->fields), + &(template->num_fields)); + if (result < 0) + pr_err("template %s init failed, result: %d\n", template->name); + + return result; } |