On Thu, 14 Nov 2024 14:41:13 GMT, Glavo <d...@openjdk.org> wrote:

>> The type of the Unsafe base offset constant is int, which may cause overflow 
>> when adding int offsets, such as 8343925 (PR #22012). 8343984 (PR #22027) 
>> fixes most of the offset overflows in JDK, but ArraysSupport and CRC32C are 
>> still unfixed.
>> 
>> @liach proposed the idea of ​​changing the Unsafe base offset to long, which 
>> is a complete solution to the Unsafe offset overflow. After discussing with 
>> @liach, I submitted this PR to implement @liach's idea.
>
> I'm concerned that such a change could have unintended consequences, and 
> perhaps deprecating them and providing new long constants would be a better 
> option.

@Glavo This change only happens to jdk.internal.misc.Unsafe.  The values in 
sun.misc.Unsafe are untouched, and they are already deprecated for removal.

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PR Comment: https://git.openjdk.org/jdk/pull/22095#issuecomment-2476590198

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