RFR: 8371864: GaloisCounterMode.implGCMCrypt0 AVX512/AVX2 intrinsics stubs cause AES-GCM encryption failure for certain payload sizes [v8]

[Jiangli Zhou]

On Wed, 26 Nov 2025 07:15:23 GMT, Shawn M Emery <duke at openjdk.org> wrote:

>> Jiangli Zhou has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Fixed the ENCRYPT_16_BLKS fall through case that sviswa7 pointed out in PR review.
>
> test/jdk/com/sun/crypto/provider/Cipher/AES/TestGCMSplitBound.java line 27:
> 
>> 25:  * @test
>> 26:  * @bug 8371864
>> 27:  * @run main/othervm/timeout=600 TestGCMSplitBound
> 
> 60 was sufficient for my test runs.

It's probably better to give larger timeout factor to prevent false failure when testing on slower machine.

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PR Review Comment: https://git.openjdk.org/jdk/pull/28363#discussion_r2566693578