RFR: 8320798: Console read line with zero out should zero out underlying buffer

[Brian Burkhalter]

On Tue, 28 Nov 2023 19:12:50 GMT, Naoto Sato <naoto at openjdk.org> wrote:

> It is best practice to zero out the underlying buffer after use.

src/java.base/share/classes/sun/nio/cs/StreamDecoder.java line 294:

> 292:     private void lockedFillZeroToPosition() throws IOException {
> 293:         ensureOpen();
> 294:         Arrays.fill(bb.array(), 0, bb.arrayOffset() + bb.position(), (byte)0);

Should the `from` parameter be zero or `bb.arrayOffset()`?

-------------

PR Review Comment: https://git.openjdk.org/jdk/pull/16861#discussion_r1408281785