8268635: Corrupt oop in ClassLoaderData

[earthling-amzn]

Hi all,

This pull request contains a backport of commit 3586a23 from the openjdk/jdk repository.

The commit being backported was authored by Coleen Phillimore on 7 Jul 2021 and was reviewed by Ioi Lam and David Holmes.

Thanks!

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Issue

• JDK-8268635: Corrupt oop in ClassLoaderData

Reviewers

• Coleen Phillimore (@coleenp - Reviewer)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.java.net/jdk17 pull/240/head:pull/240
$ git checkout pull/240

Update a local copy of the PR:
$ git checkout pull/240
$ git pull https://git.openjdk.java.net/jdk17 pull/240/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 240

View PR using the GUI difftool:
$ git pr show -t 240

Using diff file

Download this PR as a diff file:
https://git.openjdk.java.net/jdk17/pull/240.diff

[bridgekeeper]

👋 Welcome back wkemper! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

This backport pull request has now been updated with issue from the original commit.

[openjdk]

@earthling-amzn This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

8268635: Corrupt oop in ClassLoaderData

Reviewed-by: coleenp

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

At the time when this comment was updated there had been 22 new commits pushed to the master branch:

• a32d2ee: 8269276: Additional tests for MessageDigest with different providers
• 7b4d84c: 8270422: Test build/AbsPathsInImage.java fails after JDK-8259848
• 72db09b: 8266313: (JEP-356) - RandomGenerator spec implementation requirements tightly coupled to JDK internal classes
• 3bbd233: 8270075: SplittableRandom extends AbstractSplittableGenerator
• 381bd62: 8266889: [macosx-aarch64] Crash with SIGBUS in MarkActivationClosure::do_code_blob during vmTestbase/nsk/jvmti/.../bi04t002 test run
• 82c256e: 8259499: Handling type arguments from outer classes for inner class in javadoc
• e5db9a9: 8268620: InfiniteLoopException test may fail on x86 platforms
• 67273ae: 8269865: Async UL needs to handle ERANGE on exceeding SEM_VALUE_MAX
• 0f54707: 8270056: Generated lambda class can not access protected static method of target class
• 8583aab: 8270025: DynamicCallSiteDesc::withArgs doesn't throw NPE
• ... and 12 more: https://git.openjdk.java.net/jdk17/compare/6889a39a3f124d2442584cb7646b2d6a18745e78...master

As there are no conflicts, your changes will automatically be rebased on top of these commits when integrating. If you prefer to avoid this automatic rebasing, please check the documentation for the /integrate command for further details.

As you do not have Committer status in this project an existing Committer must agree to sponsor your change. Possible candidates are the reviewers of this PR (@coleenp) but any other Committer may sponsor as well.

➡️ To flag this PR as ready for integration with the above commit message, type /integrate in a new comment. (Afterwards, your sponsor types /sponsor in a new comment to perform the integration).

[openjdk]

@earthling-amzn The following label will be automatically applied to this pull request:

• hotspot-runtime

When this pull request is ready to be reviewed, an "RFR" email will be sent to the corresponding mailing list. If you would like to change these labels, use the /label pull request command.

[mlbridge]

Webrevs

• 00: Full (6f7c0940)

[coleenp]

Looks good. Thank you for verifying the fix.

[earthling-amzn]

/integrate

[openjdk]

@earthling-amzn
Your change (at version 6f7c094) is now ready to be sponsored by a Committer.

[RealCLanger]

/sponsor

[openjdk]

Going to push as commit e104ded.
Since your change was applied there have been 22 commits pushed to the master branch:

• a32d2ee: 8269276: Additional tests for MessageDigest with different providers
• 7b4d84c: 8270422: Test build/AbsPathsInImage.java fails after JDK-8259848
• 72db09b: 8266313: (JEP-356) - RandomGenerator spec implementation requirements tightly coupled to JDK internal classes
• 3bbd233: 8270075: SplittableRandom extends AbstractSplittableGenerator
• 381bd62: 8266889: [macosx-aarch64] Crash with SIGBUS in MarkActivationClosure::do_code_blob during vmTestbase/nsk/jvmti/.../bi04t002 test run
• 82c256e: 8259499: Handling type arguments from outer classes for inner class in javadoc
• e5db9a9: 8268620: InfiniteLoopException test may fail on x86 platforms
• 67273ae: 8269865: Async UL needs to handle ERANGE on exceeding SEM_VALUE_MAX
• 0f54707: 8270056: Generated lambda class can not access protected static method of target class
• 8583aab: 8270025: DynamicCallSiteDesc::withArgs doesn't throw NPE
• ... and 12 more: https://git.openjdk.java.net/jdk17/compare/6889a39a3f124d2442584cb7646b2d6a18745e78...master

Your commit was automatically rebased without conflicts.

[openjdk]

@RealCLanger @earthling-amzn Pushed as commit e104ded.

💡 You may see a message that your pull request was closed with unmerged commits. This can be safely ignored.