From 7b320fa9ded6335028e26c75509792b122b5b2ba Mon Sep 17 00:00:00 2001
From: Cristy <urban-warrior@imagemagick.org>
Date: Mon, 2 Apr 2018 19:09:49 -0400
Subject: [PATCH] https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7315

---
 coders/tiff.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/coders/tiff.c b/coders/tiff.c
index 5799cbc69..9d15ec5e2 100644
--- a/coders/tiff.c
+++ b/coders/tiff.c
@@ -49,6 +49,7 @@
 #include "MagickCore/blob.h"
 #include "MagickCore/blob-private.h"
 #include "MagickCore/cache.h"
+#include "MagickCore/channel.h"
 #include "MagickCore/color.h"
 #include "MagickCore/color-private.h"
 #include "MagickCore/colormap.h"
@@ -1718,6 +1719,8 @@ RestoreMSCWarning
                   exception);
           }
       }
+    if (image->alpha_trait != UndefinedPixelTrait)
+      (void) SetImageAlphaChannel(image,OpaqueAlphaChannel,exception);
     method=ReadGenericMethod;
     rows_per_strip=(uint32) image->rows;
     if (TIFFGetField(tiff,TIFFTAG_ROWSPERSTRIP,&rows_per_strip) == 1)
-- 
2.40.0