[jdk17u-dev] RFR: 8279545: Buffer overrun in reverse_words of sharedRuntime_x86_64.cpp:3517

[Aleksey Shipilev]

On Fri, 16 Jun 2023 14:56:25 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Clean backport to improve safety in Montgomery mult/square intrinsics from BigDecimal. The patch makes sure the `guarantee` fires when there is overflow. There is not impact on the actual code executing, when guarantee does not fire.
> 
> Additional testing:
>  - [x] GHA

Got the push approval.

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PR Comment: https://git.openjdk.org/jdk17u-dev/pull/1459#issuecomment-1597050784