RFR: 8343984: Fix Unsafe address overflow [v7]

[Chen Liang]

On Tue, 12 Nov 2024 16:30:12 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:
> 
>   fix copyright

I think this patch can go ahead: the change to internal unsafe will affect many other components and all use sites will get bytecode updates.  The more comprehensive change will need more throughout investigation and testing, while the fixes here are straightforward and easy to verify.

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

PR Comment: https://git.openjdk.org/jdk/pull/22027#issuecomment-2471054020