hdb: Fix crash when expected KR is missing

2021-10-30 00:40:32 -05:00
parent 2a9b57cdad
commit 831a5f9db3
2 changed files with 5 additions and 0 deletions
--- a/lib/hdb/common.c
+++ b/lib/hdb/common.c
@@ -995,6 +995,8 @@ derive_keys(krb5_context context,

        /* Installing keys invalidates `ckr', so we copy it */
        ret = hdb_entry_get_key_rotation(context, &h->entry, &ckr);
+        if (!ckr)
+            return ret;
        if (ret == 0)
            ret = copy_HDB_Ext_KeyRotation(ckr, &kr);
    }