[jdk21u-dev] Integrated: 8334010: VM crashes with ObjectAlignmentInBytes > GCCardSizeInBytes

Fri Jun 6 17:27:55 UTC 2025

On Wed, 4 Jun 2025 17:29:10 GMT, Satyen Subramaniam <ssubramaniam at openjdk.org> wrote:

> Backporting JDK-8334010: VM crashes with ObjectAlignmentInBytes > GCCardSizeInBytes. This change makes VM initialization reject invalid combinations of ObjectAlignmentInBytes and GCCardSizeInBytes. ObjectAlignmentInBytes larger than GCCardSizeInBytes causes issues with setting correct BOT offsets. Ran GHA Sanity Checks, local Tier 1 and 2, and new test directly. Patch is clean.

This pull request has now been integrated.

Changeset: 20ee988c
Author:    Satyen Subramaniam <ssubramaniam at openjdk.org>
URL:       https://git.openjdk.org/jdk21u-dev/commit/20ee988cadfa65ce8cb5c23931dded2d3213764c
Stats:     71 lines in 2 files changed: 71 ins; 0 del; 0 mod

8334010: VM crashes with ObjectAlignmentInBytes > GCCardSizeInBytes

Backport-of: 577babf1968700e4b648305cd5a5c2ddf712e2dc

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PR: https://git.openjdk.org/jdk21u-dev/pull/1850