From: Cristy <urban-warrior@imagemagick.org>
Date: Tue, 23 Jan 2018 12:59:15 +0000 (-0500)
Subject: Eliminate uninitialized value
X-Git-Tag: 7.0.7-23~300
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=02eee091d2023d91d15d271ac9e6fe049a6e4c5f;p=imagemagick

Eliminate uninitialized value
Credit OSS Fuzz
---

diff --git a/coders/wpg.c b/coders/wpg.c
index 058384208..eb4f54766 100644
--- a/coders/wpg.c
+++ b/coders/wpg.c
@@ -1391,7 +1391,12 @@ static Image *ReadWPGImage(const ImageInfo *image_info,
 
                     for (i=0; i< (ssize_t) image->rows; i++)
                     {
-                      (void) ReadBlob(image,ldblk,BImgBuff);
+                      ssize_t
+                        count;
+
+                      count=ReadBlob(image,(size_t) ldblk,BImgBuff);
+                      if (count != ldblk)
+                        break;
                       if (InsertRow(image,BImgBuff,i,bpp,exception) == MagickFalse)
                         {
                           if(BImgBuff)