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Type: Bug
Resolution: Fixed
Priority: P2
Fix Version/s: 16
Affects Version/s: 16
Component/s: hotspot
Labels:

Subcomponent:
gc
Resolved In Build:
b25
CPU:

generic
OS:

generic

In the weak-LRB we currently return referents when it is 'marked', that is when it's either reachable strongly or through a finalizable object. This means a finalizable object can be resurrected by Reference.get(), which is wrong. Only truly strongly reachable objects should be returned by Reference.get() during weak-reference-processing.

is blocked by

JDK-8256106 Bypass intrinsic/barrier when calling Reference.get() from Finalizer

Closed

relates to

JDK-8269897 Shenandoah: Resolve UNKNOWN access strength, where possible

Resolved

JDK-8255999 Shenandoah: Invoke native-LRB only on non-strong refs, again

Closed

JDK-8256006 Shenandoah: Exam and update uses of ShenandoahMarkContext.is_marked()

JDK-8254315 Shenandoah: Concurrent weak reference processing

Resolved

links to

Commit openjdk/jdk/b0c28fad

Review openjdk/jdk/1109

(2 links to)

Assignee:: Roman Kennke

Reporter:: Roman Kennke

Votes:: 0 Vote for this issue

Watchers:: 3 Start watching this issue

Created:: 2020-11-07 12:08

Updated:: 2024-12-12 22:26

Resolved:: 2020-11-13 01:47

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