From 2841bdd16e609432067a18c61dd9d37eeed36a90 Mon Sep 17 00:00:00 2001
From: Amos Jeffries <squid3@treenet.co.nz>
Date: Sun, 23 Aug 2009 16:54:44 +1200
Subject: [PATCH] Bug 2745: Invalid response error on small reads

Also adds extra unit-tests for these cases.
---
 src/HttpReply.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/HttpReply.cc b/src/HttpReply.cc
index 59104cd683..5848593685 100644
--- a/src/HttpReply.cc
+++ b/src/HttpReply.cc
@@ -476,7 +476,7 @@ HttpReply::sanityCheckStartLine(MemBuf *buf, const size_t hdr_len, http_status *
     // skip arbitrary number of spaces...
     while (pos <= buf->contentSize() && (char)*(buf->content()+pos) == ' ') ++pos;
 
-    if (!xisdigit(*(buf->content()+pos))) {
+    if (pos < buf->contentSize() && !xisdigit(*(buf->content()+pos))) {
         debugs(58, 3, "HttpReply::sanityCheckStartLine: missing or invalid status number in '" << buf->content() << "'");
         *error = HTTP_INVALID_HEADER;
         return false;
-- 
2.47.2