From 5a209a098cb043e918a7505aaa93647613270e4b Mon Sep 17 00:00:00 2001
From: Andrew Steinborn <git@steinborn.me>
Date: Sat, 22 Jun 2019 16:03:50 -0400
Subject: [PATCH] Fix memory leak in NativeVelocityCipher

---
 .../natives/encryption/NativeVelocityCipher.java  | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/native/src/main/java/com/velocitypowered/natives/encryption/NativeVelocityCipher.java b/native/src/main/java/com/velocitypowered/natives/encryption/NativeVelocityCipher.java
index b6a27a7c..b65501ff 100644
--- a/native/src/main/java/com/velocitypowered/natives/encryption/NativeVelocityCipher.java
+++ b/native/src/main/java/com/velocitypowered/natives/encryption/NativeVelocityCipher.java
@@ -56,11 +56,16 @@ public class NativeVelocityCipher implements VelocityCipher {
     int len = source.readableBytes();
     ByteBuf out = ctx.alloc().directBuffer(len);
 
-    impl.process(this.ctx, source.memoryAddress() + source.readerIndex(), len,
-        out.memoryAddress(), encrypt);
-    source.skipBytes(len);
-    out.writerIndex(len);
-    return out;
+    try {
+      impl.process(this.ctx, source.memoryAddress() + source.readerIndex(), len,
+          out.memoryAddress(), encrypt);
+      source.skipBytes(len);
+      out.writerIndex(len);
+      return out;
+    } catch (Exception e) {
+      out.release();
+      throw e;
+    }
   }
 
   @Override