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DDR:j9class-> descriptionPtr should be treated as unsigned #20758

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dmitripivkine opened this issue Dec 4, 2024 · 1 comment
Open

DDR:j9class-> descriptionPtr should be treated as unsigned #20758

dmitripivkine opened this issue Dec 4, 2024 · 1 comment
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@dmitripivkine
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DDR: In the case of high bit happen to be set for descriptionPtr in j9class an error occur:

com.ibm.j9ddr.InvalidDataTypeException: U64 contains value larger than Long.MAX_VALUE
        at com.ibm.j9ddr.vm29.types.U64.longValue(U64.java:115)
        at com.ibm.j9ddr.vm29.j9.gc.GCMixedObjectIterator_V1.initializeDescriptionArray(GCMixedObjectIterator_V1.java:110)
@dmitripivkine dmitripivkine added this to the Deep Backlog milestone Dec 4, 2024
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github-actions bot commented Dec 4, 2024

Issue Number: 20758
Status: Open
Recommended Components: comp:vm, comp:gc, comp:jit

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