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8173361: various crashes in JvmtiExport::post_compiled_method_load

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Don't post information that uses metadata from unloaded nmethods

Reviewed-by: eosterlund, dholmes, sspitsyn
This commit is contained in:
Coleen Phillimore 2019-12-02 08:40:52 -05:00
parent 67e0f3b490
commit b1d915ef80
9 changed files with 87 additions and 24 deletions
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4
src/hotspot/share/oops/instanceKlass.cpp
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@ -1980,7 +1980,7 @@ jmethodID InstanceKlass::get_jmethod_id(const methodHandle& method_h) {
// we're single threaded or at a safepoint - no locking needed
get_jmethod_id_length_value(jmeths, idnum, &length, &id);
} else {
MutexLocker ml(JmethodIdCreation_lock);
MutexLocker ml(JmethodIdCreation_lock, Mutex::_no_safepoint_check_flag);
get_jmethod_id_length_value(jmeths, idnum, &length, &id);
}
}
@ -2030,7 +2030,7 @@ jmethodID InstanceKlass::get_jmethod_id(const methodHandle& method_h) {
id = get_jmethod_id_fetch_or_update(idnum, new_id, new_jmeths,
&to_dealloc_id, &to_dealloc_jmeths);
} else {
MutexLocker ml(JmethodIdCreation_lock);
MutexLocker ml(JmethodIdCreation_lock, Mutex::_no_safepoint_check_flag);
id = get_jmethod_id_fetch_or_update(idnum, new_id, new_jmeths,
&to_dealloc_id, &to_dealloc_jmeths);
}