RFR: 8365487: [asan] some oops (mode) related tests fail [v2]

[Kim Barrett]

On Thu, 14 Aug 2025 07:32:29 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

>> When running with asan - enabled binaries, some oops related tests fail.
>> This seems to be related to (small) changes in memory layout caused by asan.
>> examples :
>> runtime/CompressedOops/UseCompressedOops.java
>> 
>> 
>> java.lang.RuntimeException: 'Zero based' missing from stdout/stderr
>>                at jdk.test.lib.process.OutputAnalyzer.shouldContain(OutputAnalyzer.java:253)
>>                at UseCompressedOops.testCompressedOopsModes(UseCompressedOops.java:98)
>>                at UseCompressedOops.testCompressedOopsModesGCs(UseCompressedOops.java:59)
>>                at UseCompressedOops.main(UseCompressedOops.java:48)
>>                at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
>>                at java.base/java.lang.reflect.Method.invoke(Method.java:565)
>>                at com.sun.javatest.regtest.agent.MainWrapper$MainTask.run(MainWrapper.java:138)
>>                at java.base/java.lang.Thread.run(Thread.java:1474)
>> 
>> 
>> 
>> 
>> jdk/jfr/event/gc/configuration/TestGCHeapConfigurationEventWith32BitOops.java
>> 
>> 
>> Error: Value not equal to 32-bit, field='compressedOopsMode', value='Non-zero based' expected: Non-zero based but was: 32-bit
>> Failed event:
>> jdk.GCHeapConfiguration {
>>   startTime = 13:13:02.886 (2025-08-09)
>>   minSize = 100.0 MB
>>   maxSize = 100.0 MB
>>   initialSize = 100.0 MB
>>   usesCompressedOops = true
>>   compressedOopsMode = "Non-zero based"
>>   objectAlignment = 8 bytes
>>   heapAddressBits = 32
>> }
>> 
>> ----------System.err:(20/1718)----------
>> java.lang.RuntimeException: Value not equal to 32-bit, field='compressedOopsMode', value='Non-zero based' expected: Non-zero based but was: 32-bit
>>                at jdk.test.lib.Asserts.fail(Asserts.java:715)
>>                at jdk.test.lib.Asserts.assertEquals(Asserts.java:208)
>>                at jdk.test.lib.jfr.EventField.lambda$equal$0(EventField.java:50)
>>                at jdk.test.lib.jfr.EventField.doAssert(EventField.java:114)
>>                at jdk.test.lib.jfr.EventField.equal(EventField.java:50)
>>                at jdk.test.lib.jfr.EventVerifier.verifyEquals(EventVerifier.java:35)
>>                at jdk.jfr.event.gc.configuration.GCHeapConfigurationEventVerifier.verifyCompressedOopModeIs(GCHeapConfigurationEventVerifier.java:59)
>>                at jdk.jfr.event.gc.configuration.ThirtyTwoBitsVerifier.verify(TestGCHeapConfigurationEventWith32BitOops.java:74)
>>                at jdk.jfr.event.gc.config...
>
> Matthias Baesken has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Unify comments

Looks good.

-------------

Marked as reviewed by kbarrett (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/26760#pullrequestreview-3119794297