Commit f8b9690c6 for imagemagick.org

commit f8b9690c6b6701f141f4f16b4685b4c15d8af034
Author: Dirk Lemstra <dirk@lemstra.org>
Date:   Sat Mar 7 14:29:13 2026 +0100

    Added missing call to SetImageExtent.

diff --git a/coders/png.c b/coders/png.c
index 0d9c4ce2a..a76129c6a 100644
--- a/coders/png.c
+++ b/coders/png.c
@@ -6501,6 +6501,10 @@ static Image *ReadOneMNGImage(MngReadInfo* mng_info,
                 large_image->columns=magnified_width;
                 large_image->rows=magnified_height;

+                status=SetImageExtent(image,image->columns,image->rows,exception);
+                if (status == MagickFalse)
+                  return(DestroyImageList(image));
+
                 magn_methx=mng_info->magn_methx;
                 magn_methy=mng_info->magn_methy;