RFR: 8339725: Concurrent GC crashed due to GetMethodDeclaringClass [v13]
Liang Mao
lmao at openjdk.org
Fri Sep 13 00:33:34 UTC 2024
> Hi,
>
> It's a fix for 8339725. I think getting the oop from Klass::java_mirror() should use a ON_PHANTOM_OOP_REF decorator here which could make sure the oop would be kept alive in concurrent marking and return nullptr while in concurrent reference processing and unloading.
>
> test/hotspot/jtreg/runtime and gc are clean.
>
> Thanks,
> Liang
Liang Mao has updated the pull request incrementally with one additional commit since the last revision:
change main/othervm to driver
-------------
Changes:
- all: https://git.openjdk.org/jdk/pull/20907/files
- new: https://git.openjdk.org/jdk/pull/20907/files/acf91c94..ccd2a163
Webrevs:
- full: https://webrevs.openjdk.org/?repo=jdk&pr=20907&range=12
- incr: https://webrevs.openjdk.org/?repo=jdk&pr=20907&range=11-12
Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
Patch: https://git.openjdk.org/jdk/pull/20907.diff
Fetch: git fetch https://git.openjdk.org/jdk.git pull/20907/head:pull/20907
PR: https://git.openjdk.org/jdk/pull/20907
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