spigot/CraftBukkit-Patches/0055-Prevent-a-crash-involving-attributes.patch

From 4622d9bb5c831f30acd3b0a07622d33eda3b85bb Mon Sep 17 00:00:00 2001
From: Thinkofdeath <thinkofdeath@spigotmc.org>
Date: Sat, 19 Jul 2014 19:54:41 +0100
Subject: [PATCH] Prevent a crash involving attributes


diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index 5b6612680..0d1e75650 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -2164,7 +2164,15 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
             }
         }
         AttributeModifiable dummy = new AttributeModifiable(GenericAttributes.MAX_HEALTH, (attribute) -> { });
-        dummy.setBaseValue(scaledHealth ? healthScale : getMaxHealth());
+        // Spigot start
+        double healthMod = scaledHealth ? healthScale : getMaxHealth();
+        if ( healthMod >= Float.MAX_VALUE || healthMod <= 0 )
+        {
+            healthMod = 20; // Reset health
+            getServer().getLogger().warning( getName() + " tried to crash the server with a large health attribute" );
+        }
+        dummy.setBaseValue(healthMod);
+        // Spigot end
         collection.add(dummy);
     }
 
-- 
2.50.1