From 6e1fd6136de879eed2d8738bc6b915e2fa6a71e6 Mon Sep 17 00:00:00 2001
From: John Cupitt <jcupitt@gmail.com>
Date: Wed, 3 Jun 2020 16:41:29 +0100
Subject: [PATCH] safer directory set in tiff load

---
 libvips/foreign/tiff2vips.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libvips/foreign/tiff2vips.c b/libvips/foreign/tiff2vips.c
index ef55efd9..3fea1ac3 100644
--- a/libvips/foreign/tiff2vips.c
+++ b/libvips/foreign/tiff2vips.c
@@ -679,7 +679,9 @@ rtiff_n_pages( Rtiff *rtiff )
 	for( n = 1; TIFFReadDirectory( rtiff->tiff ); n++ )
 		;
 
-	rtiff->current_page = n - 1;
+	/* Make sure the nest set_page() will set the directory.
+	 */
+	rtiff->current_page = -1;
 
 #ifdef DEBUG
 	printf( "rtiff_n_pages: found %d pages\n", n );