From 822698ae825b168b6b763d65e536083da8b4ea97 Mon Sep 17 00:00:00 2001
From: Cristy <urban-warrior@imagemagick.org>
Date: Thu, 29 Mar 2018 20:47:50 -0400
Subject: [PATCH] https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7118

---
 coders/tiff.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/coders/tiff.c b/coders/tiff.c
index 36810ec34..004af0626 100644
--- a/coders/tiff.c
+++ b/coders/tiff.c
@@ -1720,8 +1720,7 @@ RestoreMSCWarning
           }
       }
     method=ReadGenericMethod;
-    rows_per_strip=image->columns*image->rows;
-    if (TIFFGetField(tiff,TIFFTAG_ROWSPERSTRIP,&rows_per_strip) == 1)
+    if (TIFFGetFieldDefaulted(tiff,TIFFTAG_ROWSPERSTRIP,&rows_per_strip) == 1)
       {
         char
           value[MagickPathExtent];
-- 
2.40.0