File ImageMagick-CVE-2016-10061.patch of Package ImageMagick.8212

diff --git a/coders/tiff.c b/coders/tiff.c
index ef7dfc8..8b4fd7d 100644
--- a/coders/tiff.c
+++ b/coders/tiff.c
@@ -387,8 +387,10 @@ static Image *ReadGROUP4Image(const ImageInfo *image_info,
   length=fwrite("\000\000\000\000",1,4,file);
   length=WriteLSBLong(file,(size_t) (image->x_resolution+0.5));
   length=WriteLSBLong(file,1);
+  status=MagickTrue;
   for (length=0; (c=ReadBlobByte(image)) != EOF; length++)
-    (void) fputc(c,file);
+    if (fputc(c,file) != c)
+      status=MagickFalse;
   offset=(ssize_t) fseek(file,(ssize_t) offset,SEEK_SET);
   length=WriteLSBLong(file,(unsigned int) length);
   (void) fclose(file);
@@ -410,6 +412,8 @@ static Image *ReadGROUP4Image(const ImageInfo *image_info,
       (void) CopyMagickString(image->magick,"GROUP4",MaxTextExtent);
     }
   (void) RelinquishUniqueFileResource(filename);
+  if (status == MagickFalse)
+    image=DestroyImage(image);
   return(image);
 }
 #endif