RFR: JDK-8298908: Instrument Metaspace for ASan [v12]
Justin King
jcking at openjdk.org
Thu Jan 19 17:39:27 UTC 2023
On Thu, 12 Jan 2023 07:43:00 GMT, Thomas Stuefe <stuefe at openjdk.org> wrote:
>> Justin King has updated the pull request incrementally with one additional commit since the last revision:
>>
>> Update sanitizers/address.h based on review
>>
>> Signed-off-by: Justin King <jcking at google.com>
>
> src/hotspot/share/memory/metaspace/chunkManager.cpp line 311:
>
>> 309: ASAN_UNPOISON_MEMORY_REGION(c->base() + chunklevel::word_size_for_level(old_level),
>> 310: (c->word_size() - chunklevel::word_size_for_level(old_level)) *
>> 311: BytesPerWord);
>
> @jcking Can we simplify the calculation a bit here? By taking the old size beforehand and use that instead of chunklevel::word_size_for_level?
Done.
-------------
PR: https://git.openjdk.org/jdk/pull/11702
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