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-rw-r--r--security/keys/key.c4
-rw-r--r--security/keys/keyring.c1
2 files changed, 5 insertions, 0 deletions
diff --git a/security/keys/key.c b/security/keys/key.c
index 99781b798312..0e2584e11308 100644
--- a/security/keys/key.c
+++ b/security/keys/key.c
@@ -785,6 +785,10 @@ key_ref_t key_create_or_update(key_ref_t keyring_ref,
key_check(keyring);
+ key_ref = ERR_PTR(-ENOTDIR);
+ if (keyring->type != &key_type_keyring)
+ goto error_2;
+
down_write(&keyring->sem);
/* if we're going to allocate a new key, we're going to have
diff --git a/security/keys/keyring.c b/security/keys/keyring.c
index d65a180f888d..bffa924c1f88 100644
--- a/security/keys/keyring.c
+++ b/security/keys/keyring.c
@@ -437,6 +437,7 @@ EXPORT_SYMBOL(keyring_search);
/*
* search the given keyring only (no recursion)
* - keyring must be locked by caller
+ * - caller must guarantee that the keyring is a keyring
*/
key_ref_t __keyring_search_one(key_ref_t keyring_ref,
const struct key_type *ktype,