From: Cristy <urban-warrior@imagemagick.org>
Date: Tue, 13 Feb 2018 12:07:35 +0000 (-0500)
Subject: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=6271
X-Git-Tag: 7.0.7-23~45
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=3f211f8319be5e0f7a111caa16147e7b94c1bc4b;p=imagemagick

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=6271
---

diff --git a/coders/dcm.c b/coders/dcm.c
index a1a0a8953..589b5b973 100644
--- a/coders/dcm.c
+++ b/coders/dcm.c
@@ -2987,6 +2987,9 @@ static Image *ReadDCMImage(const ImageInfo *image_info,ExceptionInfo *exception)
     greenmap=(int *) RelinquishMagickMemory(greenmap); \
   if (redmap != (int *) NULL) \
     redmap=(int *) RelinquishMagickMemory(redmap); \
+  if (stream_info->offsets == (ssize_t *) NULL) \
+    stream_info->offsets=(ssize_t *) RelinquishMagickMemory( \
+      stream_info->offsets); \
   if (stream_info != (DCMStreamInfo *) NULL) \
     stream_info=(DCMStreamInfo *) RelinquishMagickMemory(stream_info); \
   ThrowReaderException((exception),(message)); \