From 9750c304bb771d407e02b68cd9fbba171a66360a Mon Sep 17 00:00:00 2001
From: nicm <nicm@openbsd.org>
Date: Mon, 23 Feb 2026 09:08:07 +0000
Subject: [PATCH] Use buffer size for b64_pton, from someone in GitHub issue
 4882.

---
 usr.bin/tmux/tty-keys.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/usr.bin/tmux/tty-keys.c b/usr.bin/tmux/tty-keys.c
index 2eea7f21832..79d1be17869 100644
--- a/usr.bin/tmux/tty-keys.c
+++ b/usr.bin/tmux/tty-keys.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: tty-keys.c,v 1.202 2026/02/18 09:10:31 nicm Exp $ */
+/* $OpenBSD: tty-keys.c,v 1.203 2026/02/23 09:08:07 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -1389,7 +1389,7 @@ tty_keys_clipboard(struct tty *tty, const char *buf, size_t len, size_t *size)
 		return (0);
 	}
 	out = xmalloc(needed);
-	if ((outlen = b64_pton(copy, out, len)) == -1) {
+	if ((outlen = b64_pton(copy, out, needed)) == -1) {
 		free(out);
 		free(copy);
 		return (0);