On Mon, 7 Jul 2025 12:21:06 GMT, Matthias Baesken <mbaes...@openjdk.org> wrote:
> When running with ubsan - enabled binaries, the following 2 issues are > observed in jvmti.h (on macOS aarch64). > > > jtreg test > vmTestbase/nsk/jvmti/SetVerboseFlag/setvrbflag002/TestDescription.java > > /priv/jenkins/client-home/workspace/openjdk-jdk-weekly-macos_aarch64-opt/build/support/modules_include/java.base/jvmti.h:2645:44: > runtime error: load of value 4294967295, which is not a valid value for type > 'jvmtiVerboseFlag' > #0 0x104453540 in _jvmtiEnv::SetVerboseFlag(jvmtiVerboseFlag, unsigned > char) jvmti.h:2645 > #1 0x10444ed5c in agentProc(_jvmtiEnv*, JNIEnv_*, void*) > setvrbflag002.cpp:49 > #2 0x10444f1c8 in agentThreadWrapper(_jvmtiEnv*, JNIEnv_*, void*) > agent_tools.cpp:151 > #3 0x10914895c in JvmtiAgentThread::call_start_function() jvmtiImpl.cpp:89 > #4 0x108ebd7f0 in JavaThread::thread_main_inner() javaThread.cpp:776 > #5 0x1096f6094 in Thread::call_run() thread.cpp:231 > #6 0x10941c37c in thread_native_entry(Thread*) os_bsd.cpp:601 > #7 0x1936fef90 in _pthread_start+0x84 > (libsystem_pthread.dylib:arm64e+0x6f90) > #8 0x1936f9d30 in thread_start+0x4 (libsystem_pthread.dylib:arm64e+0x1d30) > > vmTestbase/nsk/jvmti/GetErrorName/geterrname002/TestDescription.java > > /priv/jenkins/client-home/workspace/openjdk-jdk-weekly-macos_aarch64-opt/build/support/modules_include/java.base/jvmti.h:2640:42: > runtime error: load of value 4294967295, which is not a valid value for type > 'jvmtiError' > #0 0x1002b3504 in _jvmtiEnv::GetErrorName(jvmtiError, char**) jvmti.h:2640 > #1 0x1002aec9c in agentProc(_jvmtiEnv*, JNIEnv_*, void*) > geterrname002.cpp:50 > #2 0x1002af198 in agentThreadWrapper(_jvmtiEnv*, JNIEnv_*, void*) > agent_tools.cpp:151 > #3 0x104f4895c in JvmtiAgentThread::call_start_function() jvmtiImpl.cpp:89 > #4 0x104cbd7f0 in JavaThread::thread_main_inner() javaThread.cpp:776 > #5 0x1054f6094 in Thread::call_run() thread.cpp:231 > #6 0x10521c37c in thread_native_entry(Thread*) os_bsd.cpp:601 > #7 0x1936fef90 in _pthread_start+0x84 > (libsystem_pthread.dylib:arm64e+0x6f90) > #8 0x1936f9d30 in thread_start+0x4 (libsystem_pthread.dylib:arm64e+0x1d30) > > > So the problem reported is SetVerboseFlag method (which is part of the VM) > calls SetVerboseFlag function with that bad argument ; but the test code > seems to intentionally use 'bad' arguments . But this does not work well with > ubsan ; so better exclude those tests from ubsan checking . > Please note that jvmti.h is shipped so adding some macros/attributes to > methods for avoiding ubsan is probab... This pull request has now been integrated. Changeset: bf3cfbef Author: Matthias Baesken <mbaes...@openjdk.org> URL: https://git.openjdk.org/jdk/commit/bf3cfbeff414356aaf2b0933568ff648beace2c5 Stats: 8 lines in 2 files changed: 6 ins; 0 del; 2 mod 8351487: [ubsan] jvmti.h runtime error: load of value which is not a valid value Reviewed-by: cjplummer, amenkov, sspitsyn ------------- PR: https://git.openjdk.org/jdk/pull/26159
