[jdk23] RFR: 8333849: (dc) DatagramChannel send/receive fails with UOE if buffer backed by memory segment allocated from shared arena
Daniel Fuchs
dfuchs at openjdk.org
Fri Jun 28 14:09:30 UTC 2024
Hi, this is a clean backport of [JDK-8333849](https://bugs.openjdk.org/browse/JDK-8333849) to JDK 23.
JDK-8333849 fixes a bug that prevents using ByteBuffers derived from MemorySegments allocated from a shared arena with DatagramChannel. I believe the fix is important enough to justify backporting it to JDK 23 in this phase.
The fix, and test, have soaked in the mainline for two weeks already - without causing any regression.
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Commit messages:
- Backport e7dc76b5776e05082281fb640d1592479cfe9e6b
Changes: https://git.openjdk.org/jdk/pull/19941/files
Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=19941&range=00
Issue: https://bugs.openjdk.org/browse/JDK-8333849
Stats: 509 lines in 2 files changed: 506 ins; 0 del; 3 mod
Patch: https://git.openjdk.org/jdk/pull/19941.diff
Fetch: git fetch https://git.openjdk.org/jdk.git pull/19941/head:pull/19941
PR: https://git.openjdk.org/jdk/pull/19941
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