From 2240199dbf6dd66eaada95ffdb021c844bc23c12 Mon Sep 17 00:00:00 2001
From: Nicholas Marriott <nicm@openbsd.org>
Date: Wed, 28 Apr 2010 18:19:16 +0000
Subject: [PATCH] Fix crash when resizing in copy mode, when cursor can end up
 outside screen.

Reported by Romain Francois, fixed by Micah Cowan.
---
 window-copy.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/window-copy.c b/window-copy.c
index bb0e81c5..5e04f34e 100644
--- a/window-copy.c
+++ b/window-copy.c
@@ -340,6 +340,8 @@ window_copy_resize(struct window_pane *wp, u_int sx, u_int sy)
 		data->cy = sy - 1;
 	if (data->cx > sx)
 		data->cx = sx;
+	if (data->oy > screen_hsize(data->backing))
+		data->oy = screen_hsize(data->backing);
 
 	window_copy_clear_selection(wp);