8370318: AES-GCM vector intrinsic may read out of bounds (x86_64, AVX-512)

[shipilev]

Fixes recent regression in JDK 24+.

Additional testing:

• Linux x86_64 server fastdebug, compiler/codegen/aes/ fails without the product fix, passes with it
• Linux x86_64 server fastdebug, all

---

Progress

• JDK-8370318 needs maintainer approval
• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Issue

• JDK-8370318: AES-GCM vector intrinsic may read out of bounds (x86_64, AVX-512) (Bug - P3 - Approved)

Reviewing

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Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk25u.git pull/347/head:pull/347
$ git checkout pull/347

Update a local copy of the PR:
$ git checkout pull/347
$ git pull https://git.openjdk.org/jdk25u.git pull/347/head

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Checkout this PR locally:
$ git pr checkout 347

View PR using the GUI difftool:
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https://git.openjdk.org/jdk25u/pull/347.diff

Using Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back shade! 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]

@shipilev 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:

8370318: AES-GCM vector intrinsic may read out of bounds (x86_64, AVX-512)

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 5 new commits pushed to the master branch:

• 44ca0ca: 8370465: Right to Left Orientation Issues with MenuItem Component
• 89c5659: 8366694: Test JdbStopInNotificationThreadTest.java timed out after 60 second
• fcece2e: 8368606: Printer lookup returns empty on AIX platform due to uninitialized results list
• ... and 2 more: https://git.openjdk.org/jdk25u/compare/ceac6c7e8cd24dd4f3f7f7a25357aeb50ebe6f6b...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.

➡️ To integrate this PR with the above commit message to the master branch, type /integrate in a new comment.

[openjdk]

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

[openjdk]

⚠️ @shipilev This change is now ready for you to apply for maintainer approval. This can be done directly in each associated issue or by using the /approval command.

[mlbridge]

Webrevs

• 00: Full (4442b447)

[shipilev]

/approval request Fixes recent regression in JDK 24+ that leads to JVM crash in limited conditions. Applies cleanly. All tests pass. Existing regression tests fail without the product fix, pass with it. The patch is relatively new, but the issue and the fix are well understood. The risk is medium: touches the core parts, but in a simple manner.

[openjdk]

@shipilev
8370318: The approval request has been created successfully.

[shipilev]

Push approval granted.

/integrate

[openjdk]

Going to push as commit 816cfbf.
Since your change was applied there have been 5 commits pushed to the master branch:

• 44ca0ca: 8370465: Right to Left Orientation Issues with MenuItem Component
• 89c5659: 8366694: Test JdbStopInNotificationThreadTest.java timed out after 60 second
• fcece2e: 8368606: Printer lookup returns empty on AIX platform due to uninitialized results list
• ... and 2 more: https://git.openjdk.org/jdk25u/compare/ceac6c7e8cd24dd4f3f7f7a25357aeb50ebe6f6b...master

Your commit was automatically rebased without conflicts.

[openjdk]

@shipilev Pushed as commit 816cfbf.

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