1 files changed, 5 insertions, 0 deletions
diff --git a/src/kdc/replay.c b/src/kdc/replay.c
index 3eee6e8..05b5199 100644
--- a/src/kdc/replay.c
+++ b/src/kdc/replay.c
@@ -177,6 +177,11 @@ kdc_check_lookaside(krb5_context kcontext, krb5_data *req_packet,
 
     e->num_hits++;
     hits++;
+
+    /* Leave *reply_packet_out as NULL for an in-progress entry. */
+    if (e->reply_packet.length == 0)
+        return TRUE;
+
     return (krb5_copy_data(kcontext, &e->reply_packet,
                            reply_packet_out) == 0);
 }