Integrated: 8374382: (aio) AsynchronousFileChannel writes wrong content using heap ByteBuffer when position != 0

[Alan Bateman]

On Wed, 31 Dec 2025 07:08:40 GMT, Alan Bateman <alanb at openjdk.org> wrote:

> On Windows only, if AsynchronousFileChannel is used with a heap ByteBuffer with a non-0 buffer position then the AsynchronousFileChannel read/write methods don't work correctly when the buffer is "substituted" for the underlying I/O operation.
> 
> This is a regression in JDK 26 after JDK-8357847, missed as we didn't have tests that exercise this scenario.

This pull request has now been integrated.

Changeset: d9bd300c
Author:    Alan Bateman <alanb at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/d9bd300c6eddfd30a83e53e7ae03c47ea43a9e08
Stats:     191 lines in 2 files changed: 189 ins; 0 del; 2 mod

8374382: (aio) AsynchronousFileChannel writes wrong content using heap ByteBuffer when position != 0

Reviewed-by: jpai

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PR: https://git.openjdk.org/jdk/pull/29010