From 7adcba1310a2432f8bb74fead32addf59cef8f5b Mon Sep 17 00:00:00 2001
From: Cristy <urban-warrior@imagemagick.org>
Date: Sat, 24 Mar 2018 09:20:44 -0400
Subject: [PATCH] ...

---
 coders/mat.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/coders/mat.c b/coders/mat.c
index 9e0fd8ee1..3375aa63b 100644
--- a/coders/mat.c
+++ b/coders/mat.c
@@ -954,7 +954,7 @@ MATLAB_KO:
   while(!EOFBlob(image)) /* object parser loop */
   {
     Frames = 1;
-    (void) SeekBlob(image,filepos,SEEK_SET);
+    if(SeekBlob(image,filepos,SEEK_SET) != filepos) break;
     /* printf("pos=%X\n",TellBlob(image)); */
 
     MATLAB_HDR.DataType = ReadBlobXXXLong(image);
@@ -1369,7 +1369,7 @@ done_reading:
     {
       z = z2;
       if(image2==NULL) image2 = image;
-      if (EOFBlob(image) == MagickFalse)
+      if(!EOFBlob(image) && TellBlob(image)<filepos)
         goto NEXT_FRAME;
     }
     if ((image2!=NULL) && (image2!=image))   /* Does shadow temporary decompressed image exist? */
-- 
2.40.0