From ec7a1f02e7a36f062ecc40da1f17abd41f78b022 Mon Sep 17 00:00:00 2001
From: Desour <ds.desour@proton.me>
Date: Sun, 29 Oct 2023 16:29:37 +0100
Subject: [PATCH] Fix out-of-bounds access in NodeDefManager::nodeboxConnects

---
 src/nodedef.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/nodedef.cpp b/src/nodedef.cpp
index 303061e3c..cbfc77055 100644
--- a/src/nodedef.cpp
+++ b/src/nodedef.cpp
@@ -1773,8 +1773,9 @@ bool NodeDefManager::nodeboxConnects(MapNode from, MapNode to,
 			};
 			if (f2.param_type_2 == CPT2_FACEDIR ||
 					f2.param_type_2 == CPT2_COLORED_FACEDIR) {
+				// FIXME: support arbitrary rotations (to.param2 & 0x1F) (#7696)
 				return (f2.connect_sides
-					& rot[(connect_face * 4) + (to.param2 & 0x1F)]);
+					& rot[(connect_face * 4) + (to.param2 & 0x03)]);
 			} else if (f2.param_type_2 == CPT2_4DIR ||
 					f2.param_type_2 == CPT2_COLORED_4DIR) {
 				return (f2.connect_sides