From: Cristy <urban-warrior@imagemagick.org>
Date: Sun, 3 Jun 2018 15:04:21 +0000 (-0400)
Subject: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=8726
X-Git-Tag: 7.0.7-39~30
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=9fad1d41f8f20287887ef2077182ad4ecba05c80;p=imagemagick

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=8726
---

diff --git a/coders/png.c b/coders/png.c
index 7cf534a76..70219bf90 100644
--- a/coders/png.c
+++ b/coders/png.c
@@ -5441,10 +5441,7 @@ static Image *ReadOneMNGImage(MngInfo* mng_info, const ImageInfo *image_info,
 
         if ((length > PNG_UINT_31_MAX) || (length > GetBlobSize(image)) ||
             (count < 4))
-          {
-            mng_info=MngInfoFreeStruct(mng_info);
-            ThrowReaderException(CorruptImageError,"CorruptImage");
-          }
+          ThrowReaderException(CorruptImageError,"CorruptImage");
 
         p=NULL;
         chunk=(unsigned char *) NULL;