JDK-8184009 : Missing null pointer check in InterpreterRuntime::update_mdp_for_ret()
  • Type: Bug
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: 8u161,9,10
  • Priority: P3
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2017-07-07
  • Updated: 2018-02-15
  • Resolved: 2017-07-19
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JDK 10 JDK 8
10 b21Fixed 8u162Fixed
MethodData::data_at(int data_index) may return NULL if the data_index is out of bounds but the code in InterpreterRuntime::update_mdp_for_ret() does not check for NULL:

  ProfileData* data = h_mdo->data_at(h_mdo->dp_to_di(fr.interpreter_frame_mdp()));
  RetData* rdata = data->as_RetData();
ILW = Potential null pointer exception in profile handling code, never showed up, -XX:-ProfileInterpreter = HLM = P3