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8218266: G1 crash in AccessInternal::PostRuntimeDispatch

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Protection_domains can be unloaded in the dictionary pd_set.

Reviewed-by: zgu, hseigel
This commit is contained in:
Coleen Phillimore 2019-02-28 16:30:31 -05:00
parent 29d842b5a0
commit 84a6e34fb0
8 changed files with 174 additions and 108 deletions
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2
src/hotspot/share/runtime/mutexLocker.cpp
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@ -39,6 +39,7 @@
Mutex* Patching_lock = NULL;
Monitor* SystemDictionary_lock = NULL;
Mutex* ProtectionDomainSet_lock = NULL;
Mutex* SharedDictionary_lock = NULL;
Mutex* Module_lock = NULL;
Mutex* CompiledIC_lock = NULL;
@ -254,6 +255,7 @@ void mutex_init() {
def(JmethodIdCreation_lock , PaddedMutex , leaf, true, Monitor::_safepoint_check_always); // used for creating jmethodIDs.
def(SystemDictionary_lock , PaddedMonitor, leaf, true, Monitor::_safepoint_check_always); // lookups done by VM thread
def(ProtectionDomainSet_lock , PaddedMutex , leaf-1, true, Monitor::_safepoint_check_never);
def(SharedDictionary_lock , PaddedMutex , leaf, true, Monitor::_safepoint_check_always); // lookups done by VM thread
def(Module_lock , PaddedMutex , leaf+2, true, Monitor::_safepoint_check_always);
def(InlineCacheBuffer_lock , PaddedMutex , leaf, true, Monitor::_safepoint_check_never);