ssh-sk: free a resident key's user id

From Pedro Martelletto; ok dtucker & me

diff --git a/usr.bin/ssh/ssh-sk.c b/usr.bin/ssh/ssh-sk.c
index d28c571..ad5e6e9 100644 (file)
--- a/usr.bin/ssh/ssh-sk.c
+++ b/usr.bin/ssh/ssh-sk.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh-sk.c,v 1.37 2021/11/02 22:56:40 djm Exp $ */
+/* $OpenBSD: ssh-sk.c,v 1.38 2022/01/14 03:35:10 djm Exp $ */
 /*
  * Copyright (c) 2019 Google LLC
  *
@@ -723,6 +723,7 @@ sshsk_free_sk_resident_keys(struct sk_resident_key **rks, size_t nrks)
                return;
        for (i = 0; i < nrks; i++) {
                free(rks[i]->application);
+               freezero(rks[i]->user_id, rks[i]->user_id_len);
                freezero(rks[i]->key.key_handle, rks[i]->key.key_handle_len);
                freezero(rks[i]->key.public_key, rks[i]->key.public_key_len);
                freezero(rks[i]->key.signature, rks[i]->key.signature_len);