From 6412f46c1315f999621c9c52e674fd32f3b73bf7 Mon Sep 17 00:00:00 2001
From: Amos Jeffries <squid3@treenet.co.nz>
Date: Thu, 11 Feb 2010 11:29:49 +1300
Subject: [PATCH] Author: Kieran Whitbread <k.j.whitbread@qmul.ac.uk> Bug 2858:
 Segment violation in HTCP

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

diff --git a/src/htcp.cc b/src/htcp.cc
index 96a42281b3..8d7d08c68f 100644
--- a/src/htcp.cc
+++ b/src/htcp.cc
@@ -1270,6 +1270,13 @@ htcpHandleClr(htcpDataHeader * hdr, char *buf, int sz, IpAddress &from)
         return;
     }
 
+    if (NULL == s->request) {
+        debugs(31, 3, "htcpHandleClr: request not generated.");
+        htcpLogHtcp(from, hdr->opcode, LOG_UDP_INVALID, s->uri);
+        htcpFreeSpecifier(s);
+        return;
+    }
+
     if (!htcpAccessCheck(Config.accessList.htcp_clr, s, from)) {
         debugs(31, 2, "htcpHandleClr: Access denied");
         htcpLogHtcp(from, hdr->opcode, LOG_UDP_DENIED, s->uri);
-- 
2.47.3