From 14c283a623a1c9c0015f04865655df7a225bedf9 Mon Sep 17 00:00:00 2001
From: sfan5 <sfan5@live.de>
Date: Sun, 5 Jun 2022 18:59:53 +0200
Subject: [PATCH] Fix crash in commit a69b7abe00fb818fd88f3cd04e7f9997ffd21072

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

diff --git a/src/serverenvironment.cpp b/src/serverenvironment.cpp
index 39cd7aa64..8989fb05f 100644
--- a/src/serverenvironment.cpp
+++ b/src/serverenvironment.cpp
@@ -258,6 +258,7 @@ void LBMManager::applyLBMs(ServerEnvironment *env, MapBlock *block, u32 stamp)
 	v3s16 pos;
 	MapNode n;
 	content_t c;
+	bool pos_valid; // dummy, we know it's valid
 	auto it = getLBMsIntroducedAfter(stamp);
 	for (; it != m_lbm_lookup.end(); ++it) {
 		// Cache previous version to speedup lookup which has a very high performance
@@ -268,7 +269,7 @@ void LBMManager::applyLBMs(ServerEnvironment *env, MapBlock *block, u32 stamp)
 		for (pos.X = 0; pos.X < MAP_BLOCKSIZE; pos.X++)
 			for (pos.Y = 0; pos.Y < MAP_BLOCKSIZE; pos.Y++)
 				for (pos.Z = 0; pos.Z < MAP_BLOCKSIZE; pos.Z++) {
-					n = block->getNodeNoCheck(pos, nullptr);
+					n = block->getNodeNoCheck(pos, &pos_valid);
 					c = n.getContent();
 
 					// If content_t are not matching perform an LBM lookup