From 00b5a83a755dc76c2086aaa903add737cdfc7095 Mon Sep 17 00:00:00 2001
From: Charles Oliver Nutter <headius@headius.com>
Date: Fri, 6 Oct 2023 20:25:55 -0500
Subject: [PATCH] Never allow null buffer through

---
 core/src/main/java/org/jruby/RubyIOBuffer.java | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/core/src/main/java/org/jruby/RubyIOBuffer.java b/core/src/main/java/org/jruby/RubyIOBuffer.java
index a538933a178e..149b41662090 100644
--- a/core/src/main/java/org/jruby/RubyIOBuffer.java
+++ b/core/src/main/java/org/jruby/RubyIOBuffer.java
@@ -69,6 +69,8 @@ public static RubyClass createIOBufferClass(Ruby runtime) {
     public static final int NETWORK_ENDIAN = BIG_ENDIAN;
 
     public static RubyIOBuffer newBuffer(Ruby runtime, ByteBuffer base, int size, int flags) {
+        if (base == null) return newBuffer(runtime, size, flags);
+
         return new RubyIOBuffer(runtime, runtime.getIOBuffer(), base, size, flags);
     }