RFR: 8330133: libj2pkcs11.so crashes on some pkcs#11 v3.0 libraries [v2]

[Valerie Peng]

On Tue, 16 Apr 2024 17:21:11 GMT, Valerie Peng <valeriep at openjdk.org> wrote:

>> It is reported that some PKCS#11 library/vendor reports major version 3, but doesn't implement the C_GetInterface function and the resulting 'interface' variable value may be NULL and cause unexpected crash later.
>> 
>> This PR would check the 'interface' variable value to be non-NULL.
>> Reproducing this would require certain 3rd party PKCS#11 library, and thus the noreg-hard label.
>> 
>> Thanks~
>> FYI, I will be on vacation starting 4/17 and will address the review comments upon return. 
>> Valerie
>
> Valerie Peng has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Removed pre-existing duplicate assignment.

Thanks for the reviews!

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PR Comment: https://git.openjdk.org/jdk/pull/18789#issuecomment-2060031951