From: Cristy <urban-warrior@imagemagick.org>
Date: Sun, 4 Feb 2018 14:50:08 +0000 (-0500)
Subject: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5351
X-Git-Tag: 7.0.7-23~147
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=abd9cacc098c759e0d4512c520db97444d2075aa;p=imagemagick

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5351
---

diff --git a/MagickCore/quantum-private.h b/MagickCore/quantum-private.h
index cbf301372..ba10ed5b9 100644
--- a/MagickCore/quantum-private.h
+++ b/MagickCore/quantum-private.h
@@ -95,7 +95,8 @@ static inline MagickSizeType GetQuantumRange(const size_t depth)
     one;
 
   one=1;
-  return((MagickSizeType) ((one << (depth-1))+((one << (depth-1))-1)));
+  return((MagickSizeType) ((one << (MagickMax(depth,64)-1))+
+    ((one << (MagickMax(depth,64)-1))-1)));
 }
 
 static inline float HalfToSinglePrecision(const unsigned short half)