From b5e5adc428e622c6575b407a9c33b13fcc2d7d9b Mon Sep 17 00:00:00 2001
From: md_5 <git@md-5.net>
Date: Tue, 29 Dec 2020 08:45:45 +1100
Subject: [PATCH] SPIGOT-6296: Server crashes when burning something at y-level
 0

---
 nms-patches/PlayerChunk.patch | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nms-patches/PlayerChunk.patch b/nms-patches/PlayerChunk.patch
index 6259d805e..d35f4afb4 100644
--- a/nms-patches/PlayerChunk.patch
+++ b/nms-patches/PlayerChunk.patch
@@ -41,7 +41,7 @@
          if (chunk != null) {
              byte b0 = (byte) SectionPosition.a(blockposition.getY());
  
-+            if (b0 >= this.dirtyBlocks.length) return; // CraftBukkit - SPIGOT-6086
++            if (b0 < 0 || b0 >= this.dirtyBlocks.length) return; // CraftBukkit - SPIGOT-6086, SPIGOT-6296
              if (this.dirtyBlocks[b0] == null) {
                  this.p = true;
                  this.dirtyBlocks[b0] = new ShortArraySet();