8369947: Bytecode rewriting causes Java heap corruption on RISC-V

[feilongjiang]

Hi all,

This pull request contains a backport of commit 46251993 from the openjdk/jdk repository.

The commit being backported was authored by Feilong Jiang on 18 Oct 2025 and was reviewed by Andrew Haley, Justin King and Fei Yang.

Thanks!

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8369947 needs maintainer approval

Issue

• JDK-8369947: Bytecode rewriting causes Java heap corruption on RISC-V (Bug - P2 - Requested)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk25u.git pull/323/head:pull/323
$ git checkout pull/323

Update a local copy of the PR:
$ git checkout pull/323
$ git pull https://git.openjdk.org/jdk25u.git pull/323/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 323

View PR using the GUI difftool:
$ git pr show -t 323

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk25u/pull/323.diff

Using Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back fjiang! 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 change is not yet ready to be integrated.
See the Progress checklist in the description for automated requirements.

[openjdk]

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

[openjdk]

⚠️ @feilongjiang 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.

[feilongjiang]

/approval request Clean backport to fix heap corruption caused by bytecode rewriting on RISC-V

[openjdk]

@feilongjiang
8369947: The approval request has been created successfully.

[mlbridge]

Webrevs

• 00: Full (7b118dc1)