From b1e7e5be5a67fd9c80e0d1a38d3910c7dceda5d1 Mon Sep 17 00:00:00 2001
From: Amos Jeffries <squid3@treenet.co.nz>
Date: Tue, 23 Dec 2008 16:45:29 +1300
Subject: [PATCH] Bug 2227: Sefgaults in MemBuf::reset during idnsSendQuery

---
 src/dns_internal.cc | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/dns_internal.cc b/src/dns_internal.cc
index e179173457..3e41419b37 100644
--- a/src/dns_internal.cc
+++ b/src/dns_internal.cc
@@ -730,7 +730,9 @@ idnsVCClosed(int fd, void *data)
 {
     nsvc * vc = (nsvc *)data;
     delete vc->queue;
+    vc->queue = NULL;
     delete vc->msg;
+    vc->msg = NULL;
     nameservers[vc->ns].vc = NULL;
     cbdataFree(vc);
 }
@@ -783,6 +785,11 @@ idnsSendQueryVC(idns_query * q, int ns)
         return;
     }
 
+    if(vc->queue == NULL) {
+        vc->queue = new MemBuf;
+        vc->queue->init();
+    }
+
     vc->queue->reset();
 
     short head = htons(q->sz);
-- 
2.47.2