RFR: 8352486: [ubsan] compilationMemoryStatistic.cpp:659:21: runtime error: index 64 out of bounds for type const struct unnamed struct

[Matthias Baesken]

When running ubsan enabled binaries on macOS aarch, the test serviceability/dcmd/compiler/CompilerMemoryStatisticTest triggers the following warning :


/priv/jenkins/client-home/workspace/openjdk-jdk-weekly-macos_aarch64-opt/jdk/src/hotspot/share/compiler/compilationMemoryStatistic.cpp:659:21: runtime error: index 64 out of bounds for type 'const struct (unnamed struct at /priv/jenkins/client-home/workspace/openjdk-jdk-weekly-macos_aarch64-opt/jdk/src/hotspot/share/compiler/compilationMemoryStatistic.cpp:649:3)[64]'
    #0 0x108d99cf0 in void MemStatStore::iterate_sorted_filtered<MemStatStore::print_table(outputStream*, bool, unsigned long, int) const::'lambda'(MemStatEntry const*)>(MemStatStore::print_table(outputStream*, bool, unsigned long, int) const::'lambda'(MemStatEntry const*), unsigned long, int, MemStatStore::iteration_result&) const compilationMemoryStatistic.cpp:659
    #1 0x108d97c68 in MemStatStore::print_table(outputStream*, bool, unsigned long, int) const compilationMemoryStatistic.cpp:734
    #2 0x108d9789c in CompilationMemoryStatistic::print_all_by_size(outputStream*, bool, bool, unsigned long, int) compilationMemoryStatistic.cpp:1044
    #3 0x108d97b74 in CompilationMemoryStatistic::print_jcmd_report(outputStream*, bool, bool, unsigned long) compilationMemoryStatistic.cpp:1036
    #4 0x1090cc72c in DCmd::Executor::execute(DCmd*, JavaThread*) diagnosticFramework.cpp:421
    #5 0x108ab6a0c in jcmd(AttachOperation*, attachStream*)::Executor::execute(DCmd*, JavaThread*) attachListener.cpp:391
    #6 0x1090cbf64 in DCmd::Executor::parse_and_execute(char const*, char, JavaThread*) diagnosticFramework.cpp:414
    #7 0x108ab5f98 in jcmd(AttachOperation*, attachStream*) attachListener.cpp:395
    #8 0x108ab2db0 in AttachListenerThread::thread_entry(JavaThread*, JavaThread*) attachListener.cpp:636
    #9 0x1093cc254 in JavaThread::thread_main_inner() javaThread.cpp:776
    #10 0x109c08d68 in Thread::call_run() thread.cpp:231
    #11 0x10992dc44 in thread_native_entry(Thread*) os_bsd.cpp:601
    #12 0x1936fef90 in _pthread_start+0x84 (libsystem_pthread.dylib:arm64e+0x6f90)
    #13 0x1936f9d30 in thread_start+0x4 (libsystem_pthread.dylib:arm64e+0x1d30)

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

Commit messages:
 - JDK-8352486

Changes: https://git.openjdk.org/jdk/pull/24156/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=24156&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8352486
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/24156.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24156/head:pull/24156

PR: https://git.openjdk.org/jdk/pull/24156