From 602cd7e5c0b613b17bfa7ca4a8a18874a07a2e6b Mon Sep 17 00:00:00 2001
From: Lachlan Roberts <lachlan@webtide.com>
Date: Tue, 1 Dec 2020 09:51:09 +1100
Subject: [PATCH] throw ArithmeticException on integer overflow from size

Signed-off-by: Lachlan Roberts <lachlan@webtide.com>
---
 .../main/java/org/eclipse/jetty/io/ByteBufferAccumulator.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/jetty-io/src/main/java/org/eclipse/jetty/io/ByteBufferAccumulator.java b/jetty-io/src/main/java/org/eclipse/jetty/io/ByteBufferAccumulator.java
index c352bcb5b82..c6bc659690f 100644
--- a/jetty-io/src/main/java/org/eclipse/jetty/io/ByteBufferAccumulator.java
+++ b/jetty-io/src/main/java/org/eclipse/jetty/io/ByteBufferAccumulator.java
@@ -59,7 +59,7 @@ public class ByteBufferAccumulator implements AutoCloseable
     {
         int length = 0;
         for (ByteBuffer buffer : _buffers)
-            length += buffer.remaining();
+            length = Math.addExact(length, buffer.remaining());
         return length;
     }