From bb410082e1c2c06b70e93851cd9e3d41e2a6ea50 Mon Sep 17 00:00:00 2001
From: Cristy <urban-warrior@imagemagick.org>
Date: Sat, 23 Dec 2017 11:45:15 -0500
Subject: [PATCH] ...

---
 MagickCore/cache.c | 3 ++-
 tests/wandtest.c   | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/MagickCore/cache.c b/MagickCore/cache.c
index eede406d1..ac0297336 100644
--- a/MagickCore/cache.c
+++ b/MagickCore/cache.c
@@ -3520,7 +3520,8 @@ static MagickBooleanType OpenPixelCache(Image *image,const MapMode mode,
       cache_info->type=PingCache;
       return(MagickTrue);
     }
-  status=AcquireMagickResource(AreaResource,cache_info->length);
+  status=AcquireMagickResource(AreaResource,(MagickSizeType) 
+    cache_info->columns*cache_info->rows);
   if (cache_info->mode == PersistMode)
     status=MagickFalse;
   length=number_pixels*(cache_info->number_channels*sizeof(Quantum)+
diff --git a/tests/wandtest.c b/tests/wandtest.c
index c11096cd9..2ef07bf6c 100644
--- a/tests/wandtest.c
+++ b/tests/wandtest.c
@@ -5341,6 +5341,7 @@ int main(int argc,char **argv)
       primary_colors);
     if (status == MagickFalse)
       ThrowAPIException(magick_wand);
+    ResetMagickMemory(pixels,0,sizeof(pixels));
     status=MagickExportImagePixels(magick_wand,10,10,3,3,"RGB",CharPixel,
       pixels);
     if (status == MagickFalse)
-- 
2.50.1