From f67cf7d05303ec7784822df2023a0c387769a595 Mon Sep 17 00:00:00 2001
From: Michael Grant <mgrant@grant.org>
Date: Thu, 29 Jan 2026 11:46:21 +0000
Subject: [PATCH] Return static range as last resort.

---
 screen-redraw.c | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/screen-redraw.c b/screen-redraw.c
index decdb272..25857be8 100644
--- a/screen-redraw.c
+++ b/screen-redraw.c
@@ -1137,10 +1137,23 @@ screen_redraw_get_visible_ranges(struct window_pane *base_wp, u_int px,
 	struct window_pane		*wp;
 	struct window			*w;
 	struct visible_range		*ri;
+	static struct visible_range	 sr0 = { 0, 0 };
+	static struct visible_ranges	 sr = { &sr0, 1, 1 };
 	int				 found_self, sb_w, sb_pos;
 	u_int				 lb, rb, tb, bb;
 	u_int				 i, s;
 
+	if (base_wp == NULL) {
+		if (r != NULL) {
+			return (r);
+		} else {
+			/* Return static range as last resort. */
+			sr.ranges[0].px = px;
+			sr.ranges[0].nx = width;
+			return (&sr);
+		}
+	}
+
 	if (r == NULL) {
 		server_client_ensure_ranges(&base_wp->r, 1);
 		r = &base_wp->r;
@@ -1151,9 +1164,6 @@ screen_redraw_get_visible_ranges(struct window_pane *base_wp, u_int px,
 		r->used = 1;
 	}
 
-	if (base_wp == NULL)
-		return (r);
-
 	w = base_wp->window;
 	sb_pos = options_get_number(w->options, "pane-scrollbars-position");