commit fa477b154b7031d165ddce058d541b56c822aae6
Author: David Benjamin <davidben@mit.edu>
Date:   Sun Jun 7 23:35:40 2009 -0400

    Fill codingLine with w for safety
    
    Fixes crash in #12014.

diff --git a/poppler/JBIG2Stream.cc b/poppler/JBIG2Stream.cc
index 57ec42b..56a6490 100644
--- a/poppler/JBIG2Stream.cc
+++ b/poppler/JBIG2Stream.cc
@@ -2777,7 +2777,10 @@ JBIG2Bitmap *JBIG2Stream::readGenericBitmap(GBool mmr, int w, int h,
     // ---> max refLine size = w + 2
     codingLine = (int *)gmallocn(w + 1, sizeof(int));
     refLine = (int *)gmallocn(w + 2, sizeof(int));
-    codingLine[0] = w;
+    // fill codingLine with w for safety
+    for (i = 0; i < w+1; ++i) {
+      codingLine[i] = w;
+    }
 
     for (y = 0; y < h; ++y) {