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Fix #4882 - Avoid a crash in createFluidProperties during FT that's due to Undefined Behavior #4884

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merged 2 commits into from May 12, 2023

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jmarrec
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@jmarrec jmarrec commented May 10, 2023

Pull request overview

Pull Request Author

  • Model API Changes / Additions
  • Any new or modified fields have been implemented in the EnergyPlus ForwardTranslator (and ReverseTranslator as appropriate)
  • Model API methods are tested (in src/model/test)
  • EnergyPlus ForwardTranslator Tests (in src/energyplus/Test)
  • If a new object or method, added a test in NREL/OpenStudio-resources: Add Link
  • If needed, added VersionTranslation rules for the objects (src/osversion/VersionTranslator.cpp)
  • Verified that C# bindings built fine on Windows, partial classes used as needed, etc.
  • All new and existing tests passes
  • If methods have been deprecated, update rest of code to use the new methods

Labels:

  • If change to an IDD file, add the label IDDChange
  • If breaking existing API, add the label APIChange
  • If deemed ready, add label Pull Request - Ready for CI so that CI builds your PR

Review Checklist

This will not be exhaustively relevant to every PR.

  • Perform a Code Review on GitHub
  • Code Style, strip trailing whitespace, etc.
  • All related changes have been implemented: model changes, model tests, FT changes, FT tests, VersionTranslation, OS App
  • Labeling is ok
  • If defect, verify by running develop branch and reproducing defect, then running PR and reproducing fix
  • If feature, test running new feature, try creative ways to break it
  • CI status: all green or justified

@jmarrec jmarrec added severity - Normal Bug component - IDF Translation Pull Request - Ready for CI This pull request if finalized and is ready for continuous integration verification prior to merge. labels May 10, 2023
@jmarrec jmarrec self-assigned this May 10, 2023
Comment on lines +174 to +189
TEST_F(EnergyPlusFixture, ForwardTranslator_PlantLoop_createFluidProperties) {
// test for #4482 - It crashes with 5 plantloops

for (int n = 1; n <= 10; ++n) {
Model m;

for (int i = 0; i < n; ++i) {
PlantLoop p(m);
EXPECT_TRUE(p.setFluidType("PropyleneGlycol"));
EXPECT_TRUE(p.setGlycolConcentration(50 + i));
}
ForwardTranslator ft;
// EXPECT_TRUE(false) << "Failed for " << n << " PlantLoops";
ASSERT_NO_THROW(ft.translateModel(m)) << "Failed for " << n << " PlantLoops";
}
}
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Before fix it crashes at 5 PlantLoops

[ RUN      ] EnergyPlusFixture.ForwardTranslator_PlantLoop_createFluidProperties
/Users/julien/Software/Others/OpenStudio/src/energyplus/Test/PlantLoop_GTest.cpp:186: Failure
Value of: false
  Actual: false
Expected: true
Failed for 1 PlantLoops
/Users/julien/Software/Others/OpenStudio/src/energyplus/Test/PlantLoop_GTest.cpp:186: Failure
Value of: false
  Actual: false
Expected: true
Failed for 2 PlantLoops
/Users/julien/Software/Others/OpenStudio/src/energyplus/Test/PlantLoop_GTest.cpp:186: Failure
Value of: false
  Actual: false
Expected: true
Failed for 3 PlantLoops
/Users/julien/Software/Others/OpenStudio/src/energyplus/Test/PlantLoop_GTest.cpp:186: Failure
Value of: false
  Actual: false
Expected: true
Failed for 4 PlantLoops
/Users/julien/Software/Others/OpenStudio/src/energyplus/Test/PlantLoop_GTest.cpp:186: Failure
Value of: false
  Actual: false
Expected: true
Failed for 5 PlantLoops
[BOOST_ASSERT] <2> Assertion m_impl failed on line 2031 of openstudio::IdfObject::IdfObject(const openstudio::IdfObject &) in file /Users/julien/Software/Others/OpenStudio/src/utilities/idf/IdfObject.cpp.
Assertion failed: (false), function assertion_failed, file Assert.hpp, line 61.


0% tests passed, 1 tests failed out of 1

Total Test time (real) =   0.49 sec

The following tests FAILED:
        2890 - EnergyPlusFixture.ForwardTranslator_PlantLoop_createFluidProperties (Subprocess aborted)

Comment on lines +4514 to +4519
// NOTE: do not do another emplace_back before returning
IdfObject& fluidPropName = m_idfObjects.emplace_back(openstudio::IddObjectType::FluidProperties_Name);
fluidPropName.setString(FluidProperties_NameFields::FluidName, glycolName);
fluidPropName.setString(FluidProperties_NameFields::FluidType, "Glycol");

return {fluidPropName};
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fix here

@joseph-robertson
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I tested the Ubuntu 22.04 installer locally on WSL2, and it seems to correct the issue.

@tijcolem tijcolem merged commit 53176d7 into develop May 12, 2023
4 of 6 checks passed
@tijcolem tijcolem deleted the 4882_fluidProperties_UB branch May 12, 2023 21:36
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OS 3.6 segmentation fault
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