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<p class="MsoNormal"><span lang="EN-US">Hi, it has been observed (with ubsan, and also without when adding a little check + guarantee) that in logSelection.cpp<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> we run into very high / messed up tag values :<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="en-DE"><a href="https://bugs.openjdk.org/browse/JDK-8333090">[JDK-8333090] ubsan: logSelection.cpp:41:49: runtime error: load of value 32597, which is not a valid value for type 'type' - Java Bug System (openjdk.org)</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="en-DE"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="en-DE">When running jtreg tests </span><span lang="en-DE" style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#172B4D;background:white">cds/appcds/LotsOfClasses or cds/appcds/cacheObject/ArchivedIntegerCacheTest
we see those high tag values .<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="en-DE" style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#172B4D;background:white">Is there someone more familiar with UL who has an idea why the bad tag values occur ?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="en-DE" style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#172B4D;background:white"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="en-DE">Or should / can we ignore those because even bad/uninitialized values work “somehow” ?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="en-DE"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="en-DE">Best regards, Matthias</span><span lang="EN-US"><o:p></o:p></span></p>
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