[jdk11u-dev] RFR: 8221351: Crash in KlassFactory::check_shared_class_file_load_hook [v3]

[Joshua Cao]

On Tue, 3 Jan 2023 18:51:17 GMT, Joshua Cao <duke at openjdk.org> wrote:

>> This fixes a crash in JDK 11.
>> 
>> Merge conflicts are mostly trivial. We can keep hunks from both HEAD and the backport. There is one merge conflict in licensing.
>
> Joshua Cao has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains four additional commits since the last revision:
> 
>  - Merge branch 'master' of https://git.openjdk.org/jdk11u-dev into 8221621
>  - Update HelloCustom copyright year
>  - 8221621: Crash in KlassFactory::check_shared_class_file_load_hook
>  - 8221621: FindTests.gmk cannot handle "=" in TEST.groups comments

Can pass the included test locally. Tier1 test suite is passing, except for some langtool/javadoc errors, which I believe are unrelated. We have confirmed that this patch fixes the crash we have seen in production.

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PR: https://git.openjdk.org/jdk11u-dev/pull/1604