RFR: 8352420: [ubsan] codeBuffer.cpp:984:27: runtime error: applying non-zero offset 18446744073709486080 to null pointer [v2]

[Doug Simon]

On Thu, 20 Mar 2025 18:00:56 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

>> src/hotspot/share/asm/codeBuffer.hpp line 550:
>> 
>>> 548:     initialize_misc(name);
>>> 549:     _total_start = 0;
>>> 550:     _total_size  = 0;
>> 
>> May be we should move this initialization from `initialize()` to `initialize_misc()` so you don't need to do this here.
>
> Otherwise following constructor also doesn't set them. `initialize(csize_t code_size, csize_t locs_size)` does not.

Ok, moved.

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PR Review Comment: https://git.openjdk.org/jdk/pull/24118#discussion_r2006360524