RFR: 8333849: (dc) DatagramChannel send/receive fails with UOE if buffer backed by memory segment allocated from shared arena

[Daniel Fuchs]

On Mon, 10 Jun 2024 06:43:20 GMT, Alan Bateman <alanb at openjdk.org> wrote:

> DatagramChannel send/receive throw UOE if invoked with a ByteBuffer that is backed by a memory segment allocated from a shared arena.  These methods don't use IOUtil so was missed when the new accessor to get the buffer address was added. The issue is a remainder of lack of test coverage so I've added a test that exercises all read/write methods in the ByteChannel implementations.

Looks reasonable to me

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Marked as reviewed by dfuchs (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/19618#pullrequestreview-2107464477