RFR: 8360048: NMT crash in gtest/NMTGtests.java: fatal error: NMT corruption: Block at 0x0000017748307120: header canary broken [v2]
Afshin Zafari
azafari at openjdk.org
Wed Aug 6 14:20:06 UTC 2025
On Tue, 24 Jun 2025 14:52:09 GMT, Afshin Zafari <azafari at openjdk.org> wrote:
>> The canary header test failed since there were concurrent `remove` and `free()` from the tree. The `remove` operations are synch'ed with corresponding NMT lock. The `ReserveMemory::reserve()` uses the same lock internally and is not included in the locked code block.
>>
>> Tests: tier5 {macosx-aarch64, linux-x64, windows-x64} x {debug, release}
>
> Afshin Zafari has updated the pull request incrementally with one additional commit since the last revision:
>
> local VMT vs static one.
keep it open, bot!
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PR Comment: https://git.openjdk.org/jdk/pull/25950#issuecomment-3160370481
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