source loc:
src/hotspot/share/code/vtableStubs.cpp:250:29 at
https://github.com/openjdk/jdk/compare/master...afshin-zafari:jdk:_additional_ubsan_checks#:~:text=in%20most%20cases.-,int%20hash%20%3D%20((vtable_index%20%3C%3C%202)%20%5E%20VtableStub%3A%3Areceiver_location()%2D%3Evalue())%20%2B%20vtable_index%3B,-int%20hash%20%3D%20((


observed in :
compiler/c2/aarch64/TestIntrinsicsRegStress (runtime error: left shift of negative value -487)
compiler/c2/cr6711117/Test (runtime error: left shift of negative value -2828)
compiler/c2/irTests/blackhole/BlackholeHotInlineTest (runtime error: left shift of negative value -72)
compiler/c2/irTests/blackhole/BlackholeLoadOptoTest (runtime error: left shift of negative value -26743)
compiler/c2/irTests/blackhole/BlackholeStoreStoreEATest (runtime error: left shift of negative value -2828)
compiler/c2/irTests/scalarReplacement/ScalarReplacementTests (runtime error: left shift of negative value -2828)
compiler/c2/irTests/stable/StablePrimArrayTest (runtime error: left shift of negative value -3)
compiler/c2/irTests/stable/StablePrimFinalTest (runtime error: left shift of negative value -3)
compiler/c2/irTests/stable/StablePrimPlainTest (runtime error: left shift of negative value -3)
compiler/c2/irTests/stable/StablePrimVolatileTest (runtime error: left shift of negative value -3)
compiler/c2/irTests/stable/StableRefArrayTest (runtime error: left shift of negative value -3)
compiler/c2/irTests/stable/StableRefFinalTest (runtime error: left shift of negative value -3)
compiler/c2/irTests/stable/StableRefPlainTest (runtime error: left shift of negative value -3)
compiler/c2/irTests/stable/StableRefVolatileTest (runtime error: left shift of negative value -3)
compiler/c2/irTests/TestFewIterationsCountedLoop (runtime error: left shift of negative value -10773)
compiler/c2/irTests/TestGetAndAdd (runtime error: left shift of negative value -2828)
compiler/c2/irTests/TestIRFma (runtime error: left shift of negative value -2828)
compiler/c2/irTests/TestPostParseCallDevirtualization (runtime error: left shift of negative value -2828)
compiler/c2/irTests/TestPrunedExHandler (runtime error: left shift of negative value -2828)
compiler/c2/irTests/TestScalarReplacement (runtime error: left shift of negative value -2828)
compiler/c2/irTests/TestShiftAndMask (runtime error: left shift of negative value -2828)
compiler/c2/irTests/TestVectorizeTypeConversion (runtime error: left shift of negative value -2828)
compiler/c2/irTests/URShiftINodeIdealizationTests (runtime error: left shift of negative value -2828)
compiler/c2/TestMergeStoresMemorySegment_double-array (runtime error: left shift of negative value -2828)
compiler/c2/TestMergeStoresMemorySegment_long-array (runtime error: left shift of negative value -29879)
compiler/c2/TestUnsignedByteCompare (runtime error: left shift of negative value -6128)
compiler/codegen/TestSignedMultiplyLong (runtime error: left shift of negative value -6128)
compiler/floatingpoint/TestFloatJNIArgs_id1 (runtime error: left shift of negative value -11643)
compiler/floatingpoint/TestPow2 (runtime error: left shift of negative value -2828)
compiler/gcbarriers/UnsafeIntrinsicsTest_Z (runtime error: left shift of negative value -32763)
compiler/integerArithmetic/TestNegMultiply (runtime error: left shift of negative value -2828)
compiler/intrinsics/klass/CastNullCheckDroppingsTest (runtime error: left shift of negative value -3)
compiler/intrinsics/klass/TestGetModifiers_id2 (runtime error: left shift of negative value -2828)
compiler/intrinsics/math/MaxMinOptimizeTest (runtime error: left shift of negative value -11643)
compiler/intrinsics/math/TestMinMaxOpt (runtime error: left shift of negative value -5633)
compiler/intrinsics/SortingDeoptimizationTest (runtime error: left shift of negative value -14092)
compiler/jvmci/compilerToVM/MethodIsIgnoredBySecurityStackWalkTest (runtime error: left shift of negative value -2828)
compiler/jvmci/jdk.vm.ci.code.test/src/jdk/vm/ci/code/test/SimpleCodeInstallationTest (runtime error: left shift of negative value -2828)
compiler/loopopts/InvariantCodeMotionReassociateAddSub (runtime error: left shift of negative value -2828)
compiler/loopopts/superword/ProdRed_Float (runtime error: left shift of negative value -32763)
compiler/loopopts/superword/SumRed_Long (runtime error: left shift of negative value -29880)
compiler/loopopts/superword/TestAlignVector_VerifyAlignVector (runtime error: left shift of negative value -119)
compiler/loopopts/superword/TestCyclicDependency (runtime error: left shift of negative value -32763)
compiler/loopopts/superword/TestDependencyOffsets_avx1-v032-U (runtime error: left shift of negative value -29879)
compiler/loopopts/superword/TestDependencyOffsets_avx2-v016-U (runtime error: left shift of negative value -2828)
compiler/loopopts/superword/TestDependencyOffsets_sse4-v008-A (runtime error: left shift of negative value -1)
compiler/loopopts/TestOverunrolling (runtime error: left shift of negative value -15216)
compiler/profiling/spectrapredefineclass_classloaders/Launcher (runtime error: left shift of negative value -2828)
compiler/unsafe/JdkInternalMiscUnsafeAccessTestInt (runtime error: left shift of negative value -29887)
compiler/unsafe/SunMiscUnsafeAccessTestByte (runtime error: left shift of negative value -17248)
compiler/unsafe/SunMiscUnsafeAccessTestLong (runtime error: left shift of negative value -11643)
compiler/vectorization/runner/ArrayIndexFillTest (runtime error: left shift of negative value -2828)
compiler/vectorization/runner/LoopCombinedOpTest (runtime error: left shift of negative value -2828)
compiler/vectorization/runner/LoopLiveOutNodesTest (runtime error: left shift of negative value -30388)
compiler/vectorization/runner/LoopRangeStrideTest (runtime error: left shift of negative value -2828)
compiler/vectorization/TestComplexAddrExpr (runtime error: left shift of negative value -2828)
compiler/vectorization/TestReverseBitsVector (runtime error: left shift of negative value -2828)
compiler/vectorization/TestVectorizationNegativeScale (runtime error: left shift of negative value -2828)
gc/arguments/TestNewSizeThreadIncrease (runtime error: left shift of negative value -2828)
gc/epsilon/TestArraycopyCheckcast (runtime error: left shift of negative value -4099)
gc/epsilon/TestByteArrays (runtime error: left shift of negative value -2828)
gc/epsilon/TestElasticTLABDecay (runtime error: left shift of negative value -2828)
gc/epsilon/TestManyThreads (runtime error: left shift of negative value -3138)
gc/epsilon/TestObjects (runtime error: left shift of negative value -4099)
gc/epsilon/TestRefArrays (runtime error: left shift of negative value -4099)
gc/g1/plab/TestPLABPromotion (runtime error: left shift of negative value -32763)
gc/g1/TestPrintRegionRememberedSetInfo (runtime error: left shift of negative value -2828)
gc/g1/TestRemarkCleanupMXBean (runtime error: left shift of negative value -32763)
gc/logging/TestMetaSpaceLog (runtime error: left shift of negative value -2828)
gc/stringdedup/TestStringDeduplicationPrintOptions_G1 (runtime error: left shift of negative value -2828)
gc/stringdedup/TestStringDeduplicationYoungGC_Z (runtime error: left shift of negative value -5839)
gc/TestJNIWeak/TestJNIWeak (runtime error: left shift of negative value -32763)
gc/z/TestAllocateHeapAtWithHugeTLBFS (runtime error: left shift of negative value -2828)
gtest/LargePageGtests_use-large-pages (runtime error: left shift of negative value -32763)
runtime/cds/appcds/HelloTest (runtime error: left shift of negative value -32763)
runtime/cds/CDSMapTest (runtime error: left shift of negative value -6000)
runtime/cds/PrintSharedArchiveAndExit (runtime error: left shift of negative value -32763)
runtime/cds/ServiceLoaderTest (runtime error: left shift of negative value -17847)
runtime/classFileParserBug/TestBadPackageWithInterface (runtime error: left shift of negative value -2828)
runtime/ClassUnload/UnloadTestDuringClassLoaderStatsVMOperation (runtime error: left shift of negative value -11891)
runtime/CommandLine/DoubleFlagWithIntegerValue (runtime error: left shift of negative value -2828)
runtime/CommandLine/UnrecognizedProperty (runtime error: left shift of negative value -379)
runtime/CompressedOops/CompressedKlassPointerAndOops (runtime error: left shift of negative value -31700)
runtime/condy/CondyBadBSMArrayTest (runtime error: left shift of negative value -29879)
runtime/exceptionMsgs/AbstractMethodError/AbstractMethodErrorTest (runtime error: left shift of negative value -32763)
runtime/exceptionMsgs/ArrayIndexOutOfBoundsException/ArrayIndexOutOfBoundsExceptionTest_id1 (runtime error: left shift of negative value -14527)
runtime/exceptionMsgs/ArrayStoreException/ArrayStoreExceptionTest (runtime error: left shift of negative value -2828)
runtime/exceptionMsgs/NullPointerException/NullPointerExceptionTest_id0 (runtime error: left shift of negative value -2828)
runtime/exceptionMsgs/NullPointerException/NullPointerExceptionTest_id1 (runtime error: left shift of negative value -2828)
runtime/jcmd/JcmdCmdLine (runtime error: left shift of negative value -2828)
runtime/jni/nativeStack/TestNativeStack (runtime error: left shift of negative value -3445)
runtime/logging/SafepointTest (runtime error: left shift of negative value -32763)
runtime/modules/AccessCheck/UmodUpkgDiffCL_ExpQualOther (runtime error: left shift of negative value -2828)
runtime/modules/PatchModule/PatchModuleTestJarDir (runtime error: left shift of negative value -2828)
runtime/Monitor/SyncOnValueBasedClassTest (runtime error: left shift of negative value -30961)
runtime/os/TestMemoryAllocationLogging_testCommitFailed (runtime error: left shift of negative value -2828)
runtime/os/TestMemoryAllocationLogging_testUncommitFailed (runtime error: left shift of negative value -28856)
runtime/os/TestTrimNative_trimNativeHighInterval (runtime error: left shift of negative value -30392)
runtime/Thread/AsyncExceptionOnMonitorEnter (runtime error: left shift of negative value -29880)
runtime/Thread/Fibonacci (runtime error: left shift of negative value -2828)
runtime/Thread/TooSmallStackSize (runtime error: left shift of negative value -2828)
runtime/vthread/JNIMonitor/JNIMonitor_missingUnlock (runtime error: left shift of negative value -1945)
serviceability/dcmd/gc/HeapDumpAllTest (runtime error: left shift of negative value -29875)
serviceability/dcmd/gc/HeapDumpCompressedTest_Serial (runtime error: left shift of negative value -23576)
serviceability/dcmd/jvmti/LoadAgentDcmdTest (runtime error: left shift of negative value -2828)
serviceability/dcmd/thread/PrintMountedVirtualThread (runtime error: left shift of negative value -2828)
serviceability/dcmd/thread/VThreadCommandsTest (runtime error: left shift of negative value -5749)
serviceability/HeapDump/DuplicateArrayClassesTest (runtime error: left shift of negative value -2828)
serviceability/jvmti/8036666/GetObjectLockCount (runtime error: left shift of negative value -2828)
serviceability/jvmti/AddModuleReads/MyPackage/AddModuleReadsTest (runtime error: left shift of negative value -1)
serviceability/jvmti/CompiledMethodLoad/Zombie (runtime error: left shift of negative value -32737)
serviceability/jvmti/GetOwnedMonitorStackDepthInfo/GetOwnedMonitorStackDepthInfoTest (runtime error: left shift of negative value -416)
serviceability/jvmti/HeapMonitor/MyPackage/HeapMonitorStatArrayCorrectnessTest (runtime error: left shift of negative value -14198)
serviceability/sa/ClhsdbHistory (runtime error: left shift of negative value -2828)
serviceability/sa/ClhsdbSymbol (runtime error: left shift of negative value -31927)