When running HS test
gtest/GTestWrapper.java
with ubsan-enabled binaries on macOS aarch64, the following error is reported (did not see this so far on Linux).

test/hotspot/gtest/gc/g1/test_freeRegionList.cpp:37: Failure
Death test: child_G1FreeRegionList_length_()
    Result: died but not with expected exit code:
            Terminated by signal 6 (core dumped)
Actual msg:
[ DEATH ] /jdk/src/hotspot/share/memory/memRegion.hpp:66:43: runtime error: applying non-zero offset 8388608 to null pointer
[ DEATH ] #0 0x108afd6f4 in MemRegion::end() const+0x84 (libjvm.dylib:arm64+0x16556f4)
[ DEATH ] #1 0x1075c68a0 in G1FreeRegionList_length_other_vm_Test::TestBody()+0x380 (libjvm.dylib:arm64+0x11e8a0)
[ DEATH ] #2 0x1090f3bb0 in testing::Test::Run()+0xc0 (libjvm.dylib:arm64+0x1c4bbb0)
[ DEATH ] #3 0x1090f4d94 in testing::TestInfo::Run()+0x1e4 (libjvm.dylib:arm64+0x1c4cd94)
[ DEATH ] #4 0x1090f6754 in testing::TestSuite::Run()+0x43c (libjvm.dylib:arm64+0x1c4e754)
[ DEATH ] #5 0x109103ca0 in testing::internal::UnitTestImpl::RunAllTests()+0x48c (libjvm.dylib:arm64+0x1c5bca0)
[ DEATH ] #6 0x109103588 in testing::UnitTest::Run()+0x78 (libjvm.dylib:arm64+0x1c5b588)
[ DEATH ] #7 0x1074a9ac0 in runUnitTestsInner(int, char**)+0x724 (libjvm.dylib:arm64+0x1ac0)
[ DEATH ] #8 0x102dc3f18 in main+0x2c (gtestLauncher:arm64+0x100003f18)
[ DEATH ] #9 0x196fea0dc (<unknown module>)
[ DEATH ]
[ DEATH ] SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /jdk/src/hotspot/share/memory/memRegion.hpp:66:43 in
[ DEATH ]

[ FAILED ] G1FreeRegionList.length_other_vm (1113 ms)