From 34bb7ae363a715b3bbb7633958ce34073a21884a Mon Sep 17 00:00:00 2001
From: Nicolas Williams <nico103@gmail.com>
Date: Tue, 12 Jul 2011 19:39:08 -0500
Subject: [PATCH] Fix double free.

---
 lib/hdb/keys.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/hdb/keys.c b/lib/hdb/keys.c
index bfb5d640e..28327f057 100644
--- a/lib/hdb/keys.c
+++ b/lib/hdb/keys.c
@@ -249,6 +249,9 @@ hdb_add_current_keys_to_history(krb5_context context, hdb_entry *entry)
     hist_keys->val[0].kvno = entry->kvno;
     (void) hdb_entry_get_pw_change_time(entry, &hist_keys->val[0].set_time);
 
+    entry->keys.val = NULL;
+    entry->keys.len = 0;
+
     if (add) {
 	ret = hdb_replace_extension(context, entry, ext);
 	if (ret) {