KEYS: initialize root uid and session keyrings early

In order to create the integrity keyrings (eg. _evm, _ima), root's
uid and session keyrings need to be initialized early.

Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
Signed-off-by: David Howells <dhowells@redhat.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/security/keys/process_keys.c b/security/keys/process_keys.c
index 68548ea6fe01..0cf8a130a267 100644
--- a/security/keys/process_keys.c
+++ b/security/keys/process_keys.c
@@ -857,3 +857,13 @@ void key_change_session_keyring(struct callback_head *twork)
 
         commit_creds(new);
 }
+
+/*
+ * Make sure that root's user and user-session keyrings exist.
+ */
+static int __init init_root_keyring(void)
+{
+        return install_user_keyrings();
+}
+
+late_initcall(init_root_keyring);