From: Cristy <urban-warrior@imagemagick.org>
Date: Sat, 22 Sep 2018 16:18:08 +0000 (-0400)
Subject: ...
X-Git-Tag: 7.0.8-12~6
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=11b919023971318bed9dfc564372ff31c1890a70;p=imagemagick

...
---

diff --git a/coders/png.c b/coders/png.c
index 630829ee8..3ad05856b 100644
--- a/coders/png.c
+++ b/coders/png.c
@@ -2062,8 +2062,8 @@ static int read_user_chunk_callback(png_struct *ping, png_unknown_chunkp chunk)
 
       image->page.width=(size_t)mng_get_long(chunk->data);
       image->page.height=(size_t)mng_get_long(&chunk->data[4]);
-      image->page.x=(size_t)mng_get_long(&chunk->data[8]);
-      image->page.y=(size_t)mng_get_long(&chunk->data[12]);
+      image->page.x=(ssize_t)mng_get_long(&chunk->data[8]);
+      image->page.y=(ssize_t)mng_get_long(&chunk->data[12]);
 
       return(1);
     }