From cf95e69c3e95923cd58643f2fd06fcc7b6e767fa Mon Sep 17 00:00:00 2001
From: Cristy <urban-warrior@imagemagick.org>
Date: Sat, 24 Jun 2017 09:36:35 -0400
Subject: [PATCH] ...

---
 MagickCore/policy.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/MagickCore/policy.c b/MagickCore/policy.c
index 27e31a969..d8f60491a 100644
--- a/MagickCore/policy.c
+++ b/MagickCore/policy.c
@@ -1074,6 +1074,9 @@ MagickExport MagickBooleanType SetMagickSecurityPolicy(const char *policy,
   MagickBooleanType
     status;
   
+  assert(exception != (ExceptionInfo *) NULL);
+  if (policy == (const char *) NULL)
+    return(MagickFalse);
   if (IsPolicyCacheInstantiated(exception) == MagickFalse)
     return(MagickFalse);
   LockSemaphoreInfo(policy_semaphore);
-- 
2.50.1