git: openjdk/jdk: master: 8365203: defineClass with direct buffer can cause use-after-free

[Per Minborg]

Changeset: 19f0755c
Branch: master
Author:    Per Minborg <pminborg at openjdk.org>
Date:      2025-08-27 09:41:12 +0000
URL:       https://git.openjdk.org/jdk/commit/19f0755c48e998b5b136ca58ea21eb3b54bc7b33

8365203: defineClass with direct buffer can cause use-after-free

Reviewed-by: jpai

! src/java.base/share/classes/java/lang/ClassLoader.java
+ test/jdk/java/lang/ClassLoader/defineClass/TestGuardByteBuffer.java