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Guard x as well as y to avoid overflow, GitHub issue 5409 from Park

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Seongjae.
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nicm
2026-07-19 17:25:38 +00:00
committed by tmux update bot
parent 496bfdce38
commit 6ef280fb0f
1 changed files with 2 additions and 2 deletions
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4
window-visible.c
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@@ -1,4 +1,4 @@
/* $OpenBSD: window-visible.c,v 1.4 2026/06/29 19:03:34 nicm Exp $ */
/* $OpenBSD: window-visible.c,v 1.5 2026/07/19 17:25:38 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -81,7 +81,7 @@ window_visible_ranges(struct window_pane *base_wp, int px, int py, u_int width,
}
w = base_wp->window;
if ((u_int)py >= w->sy)
if ((u_int)py >= w->sy || (u_int)px >= w->sx)
goto empty;
if (px + width > w->sx)
width = w->sx - px;