JDK-8248336 : AArch64: C2: offset overflow in BoxLockNode::emit
- Type: Bug
- Component: hotspot
- Sub-Component: compiler
- Affected Version: 11,15,16
- Priority: P3
- Status: Resolved
- Resolution: Fixed
- CPU: aarch64
- Submitted: 2020-06-25
- Updated: 2021-02-27
- Resolved: 2020-07-09
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| JDK 11 | JDK 16 | Other |
|---|---|---|
| 11.0.11-oracleFixed | 16 b06Fixed  |
openjdk8u292Fixed |
Description
BoxLockNode::emit only allows a 12-bit offset from register SP to the stack slot that contains the inflated lock. Rather amazingly we've never seen this fail in production, but in theory a BoxLockNode can be anywhere in the stack frame. I have once seen this fail in test code, but it is very hard to reproduce.
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