shithub: jbig2

Download patch

ref: dc8f364a1289bb8235afec4dae78a08e5d6d6155
parent: e1a691ca498dd4aa4808b94edfb9b3448ca7ed51
author: Sebastian Rasmussen <sebras@gmail.com>
date: Fri Aug 3 15:10:09 EDT 2018

jbig2dec: When reading past the end of a word stream, return 0.

Previously the returned value would be uninitialized, leading
to issues detected by valgrind later on in the parsing.

--- a/jbig2.c

+++ b/jbig2.c

@@ -451,8 +451,10 @@

     if (self == NULL || word == NULL)

         return -1;

-    if (offset >= z->size)

+    if (offset >= z->size) {

+        *word = 0;

         return 0;

+    }

     if (offset < z->size) {

         val |= data[offset] << 24;