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Posted to commits@harmony.apache.org by "Peter Novodvorsky (JIRA)" <ji...@apache.org> on 2007/03/07 14:56:24 UTC
[jira] Commented: (HARMONY-3001) [drlvm][thread] Race condition at
vm\thread\src\thread_native_thin_monitor.c
[ https://issues.apache.org/jira/browse/HARMONY-3001?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12478770 ]
Peter Novodvorsky commented on HARMONY-3001:
--------------------------------------------
problem lines are 247 and 78 after some commit of thread_native_thin_monitor.c
> [drlvm][thread] Race condition at vm\thread\src\thread_native_thin_monitor.c
> -----------------------------------------------------------------------------
>
> Key: HARMONY-3001
> URL: https://issues.apache.org/jira/browse/HARMONY-3001
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Reporter: Ilya Leviev
> Assigned To: weldon washburn
>
> There are thread unsafe access that result in race condition that occur during concurrent execution of set_fat_lock_id and hythread_thin_monitor_try_enter functions.
> Write -> Read data-race:
> Memory read at "thread_native_thin_monitor.c":254 conflicts with a prior memory write at "thread_native_thin_monitor.c":83
> Stack Traces:
> Context
> Function ExecuteMethod "em_intf.cpp":43
> Function void DrlEMImpl::executeMethod(struct _jmethodID *,union jvalue *,union jvalue *) "drlemimpl.cpp":514
> Function JIT_execute_method "interp_exports.cpp":162
> Function void interpreter_execute_method(struct Method *,union jvalue *,union jvalue *) "interpreter.cpp":3184
> Function void interpreter(struct StackFrame &) "interpreter.cpp":2828
> Function Opcode_MONITORENTER "interpreter.cpp":2256
> Function void vm_monitor_enter_wrapper(struct ManagedObject *) "interp_imports.cpp":29
> Function vm_monitor_enter_default "mon_enter_exit.cpp":117
> Function jthread_monitor_enter "thread_java_monitors.c":84
> Function hythread_thin_monitor_try_enter "thread_native_thin_monitor.c":240
> Definition
> Function EntryPoint "dllcrt0.c":323
> Function hythread_attach "thread_native_basic.c":241
> Function hythread_tls_alloc "thread_native_tls.c":57
> Function hythread_monitor_exit "thread_native_fat_monitor.c":155
> Function hythread_monitor_exit "thread_native_fat_monitor.c":155
> Function JNI_CreateJavaVM "jni.cpp":493
> Function int vm_init1(struct JavaVM_Internal *,struct JavaVMInitArgs *) "vm_init.cpp":664
> Function gc_init "init.cpp":281
> Function void init_mem(void) "init.cpp":270
> 1st Access
> Function interpreterInvoke "interpreter.cpp":3381
> Function void interpreter(struct StackFrame &) "interpreter.cpp":2886
> Function Opcode_INVOKESTATIC "interpreter.cpp":2093
> Function interpreterInvokeStatic "interpreter.cpp":3266
> Function void interpreterInvokeStaticNative(struct StackFrame &,struct StackFrame &,struct Method *) "interp_native_ia32.cpp":424
> Function invokeJNI "interp_native_ia32.cpp":49
> Function Java_java_lang_VMThreadManager_wait "java_lang_vmthreadmanager.cpp":202
> Function jthread_monitor_timed_wait "thread_java_monitors.c":310
> Function inflate_lock "thread_native_thin_monitor.c":601
> Function set_fat_lock_id "thread_native_thin_monitor.c":83
> 2nd Access
> Function ExecuteMethod "em_intf.cpp":43
> Function void DrlEMImpl::executeMethod(struct _jmethodID *,union jvalue *,union jvalue *) "drlemimpl.cpp":514
> Function JIT_execute_method "interp_exports.cpp":162
> Function void interpreter_execute_method(struct Method *,union jvalue *,union jvalue *) "interpreter.cpp":3184
> Function void interpreter(struct StackFrame &) "interpreter.cpp":2828
> Function Opcode_MONITORENTER "interpreter.cpp":2256
> Function void vm_monitor_enter_wrapper(struct ManagedObject *) "interp_imports.cpp":29
> Function vm_monitor_enter_default "mon_enter_exit.cpp":117
> Function jthread_monitor_enter "thread_java_monitors.c":84
> Function hythread_thin_monitor_try_enter "thread_native_thi
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