RFR: 8352112: [ubsan] hotspot/share/code/relocInfo.cpp:130:37: runtime error: applying non-zero offset 18446744073709551614 to null pointer [v2]

[Boris Ulasevich]

On Mon, 28 Jul 2025 08:00:16 GMT, Johan Sjölen <jsjolen at openjdk.org> wrote:

>> Vladimir Kozlov has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Update field default setting
>
> src/hotspot/share/code/codeBlob.cpp line 156:
> 
>> 154:   } else {
>> 155:     // We need unique and valid not null address
>> 156:     assert(_mutable_data = blob_end(), "sanity");
> 
> Did this mean to assign the `_mutable_data`? I think it should be `==`.

Right. This typo was fixed in https://github.com/openjdk/jdk/pull/26175
For now I do not see how this change is related with [JDK-8361382: NMT corruption](https://bugs.openjdk.org/browse/JDK-8361382)

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PR Review Comment: https://git.openjdk.org/jdk/pull/24102#discussion_r2236254069