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-rw-r--r--security/integrity/ima/ima_main.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/security/integrity/ima/ima_main.c b/security/integrity/ima/ima_main.c
index 3e751a9743a1..5127afcc4b89 100644
--- a/security/integrity/ima/ima_main.c
+++ b/security/integrity/ima/ima_main.c
@@ -282,8 +282,13 @@ EXPORT_SYMBOL_GPL(ima_file_check);
*/
int ima_module_check(struct file *file)
{
- if (!file)
- return -EACCES; /* INTEGRITY_UNKNOWN */
+ if (!file) {
+#ifndef CONFIG_MODULE_SIG_FORCE
+ if (ima_appraise & IMA_APPRAISE_MODULES)
+ return -EACCES; /* INTEGRITY_UNKNOWN */
+#endif
+ return 0; /* We rely on module signature checking */
+ }
return process_measurement(file, file->f_dentry->d_name.name,
MAY_EXEC, MODULE_CHECK);
}