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

[Thomas Stuefe]

On Fri, 21 Mar 2025 14:20:28 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

> 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)

Good. Thanks @MBaesken !

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Marked as reviewed by stuefe (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/24156#pullrequestreview-2709295488