RFR: 8343984: Fix Unsafe address overflow [v6]

[Alan Bateman]

On Tue, 12 Nov 2024 15:54:00 GMT, Shaojin Wen <swen at openjdk.org> wrote:

>> In the JDK code, there are some places that may cause Unsafe offset overflow. The probability of occurrence is low, but if it occurs, it will cause JVM crash.
>
> Shaojin Wen has updated the pull request incrementally with one additional commit since the last revision:
> 
>   more fix unsafe address overflow

Marked as reviewed by alanb (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/22027#pullrequestreview-2430082452