From 26bbcedcaea7c1e991f4f88f68d9195f975d2e4c Mon Sep 17 00:00:00 2001
From: Jonas Jenwald <jonas.jenwald@gmail.com>
Date: Fri, 6 Jun 2014 22:06:29 +0200
Subject: [PATCH] Prevent infinite loop when scanning for endstream (bug
 1020226)

---
 src/core/parser.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/core/parser.js b/src/core/parser.js
index b5a4b791a..3b3bd2646 100644
--- a/src/core/parser.js
+++ b/src/core/parser.js
@@ -266,6 +266,9 @@ var Parser = (function ParserClosure() {
         while (stream.pos < stream.end) {
           var scanBytes = stream.peekBytes(SCAN_BLOCK_SIZE);
           var scanLength = scanBytes.length - ENDSTREAM_SIGNATURE_LENGTH;
+          if (scanLength <= 0) {
+            break;
+          }
           found = false;
           for (i = 0, j = 0; i < scanLength; i++) {
             var b = scanBytes[i];