RFR: 8357155: [asan] ZGC does not work (x86_64 and ppc64) [v2]

Matthias Baesken mbaesken at openjdk.org
Mon Jun 2 09:32:56 UTC 2025


On Mon, 2 Jun 2025 09:11:05 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

>> Many (all?) ZGC related jtreg tests do not work when the JDK is built with address sanitizer asan enabled (configure flag --enable-asan).
>> This can be seen on SUSE Linux x86_64 and also on ppc64le , opt binaries were used.
>> It has been suggested to do a workaround -  'But I think that simply adapting the zAddress_[...].cpp implementations to always select the largest heap base would go a long way for providing ASAN compatibility.'
>> This seems to work nicely on x86_64 and ppc64le,  however the zgc related tests still fail on Linux aarch64 (should I exclude this platform from my patch?) .
>
> Matthias Baesken has updated the pull request incrementally with one additional commit since the last revision:
> 
>   remove aarch64 from the change, adjust ppc64

contributor add xmas92

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PR Comment: https://git.openjdk.org/jdk/pull/25549#issuecomment-2929667209


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