[Pkg-javascript-commits] [pdf.js] 32/207: Prevent infinite loop when scanning for endstream (bug 1020226)

[David Prévot]

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taffit pushed a commit to branch master
in repository pdf.js.

commit 26bbcedcaea7c1e991f4f88f68d9195f975d2e4c
Author: Jonas Jenwald <jonas.jenwald at gmail.com>
Date:   Fri Jun 6 22:06:29 2014 +0200

    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 b5a4b79..3b3bd26 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];

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