RFR: 8371718: (sc) Channels.new{Input, Output}Stream can allocate unbounded memory for a socket channel

[Alan Bateman]

On Mon, 8 Dec 2025 19:10:42 GMT, Brian Burkhalter <bpb at openjdk.org> wrote:

> Clamp read and write to 128k bytes.

src/java.base/share/classes/sun/nio/ch/ChannelOutputStream.java line 71:

> 69:             ByteBuffer writeBuf = bb.remaining() <= MAX_ADAPTOR_BUFFER_SIZE
> 70:                 ? bb : bb.slice(bb.position(), MAX_ADAPTOR_BUFFER_SIZE);
> 71:             int n = ch.write(writeBuf);

This just need to adjust the limit, no need for slice.

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PR Review Comment: https://git.openjdk.org/jdk/pull/28705#discussion_r2599857802