[llvm-bugs] [Bug 35075] New: Assertion failure in clang::ento::MemRegion::getAsOffset

via llvm-bugs llvm-bugs at lists.llvm.org
Wed Oct 25 09:07:35 PDT 2017


https://bugs.llvm.org/show_bug.cgi?id=35075

            Bug ID: 35075
           Summary: Assertion failure in
                    clang::ento::MemRegion::getAsOffset
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Static Analyzer
          Assignee: dcoughlin at apple.com
          Reporter: alexfh at google.com
                CC: llvm-bugs at lists.llvm.org

Here's a stack trace, a test case will be coming later:

assertion failed at llvm/tools/clang/include/clang/AST/Type.h:628 in const
clang::ExtQualsTypeCommonBase *clang::QualType::getCommonPtr() const: !isNull()
&& "Cannot retrieve a NULL type pointer"
    @          0xd25eade        368  __assert_fail
    @           0x6fc519         32  clang::QualType::getCommonPtr()
    @           0x6fc4a9         16  clang::QualType::getTypePtr()
    @          0xb0b012a        608  clang::ento::MemRegion::getAsOffset()
    @          0xafdf94d        224  (anonymous namespace)::BindingKey::Make()
    @          0xafde5d3         32  (anonymous
namespace)::RegionBindingsRef::lookup()
    @          0xafe384c         32  (anonymous
namespace)::RegionBindingsRef::getDirectBinding()
    @          0xafdce9c        224  (anonymous
namespace)::RegionStoreManager::getBindingForField()
    @          0xafdc43e        896  (anonymous
namespace)::RegionStoreManager::getBinding()
    @          0xafd7aa2        256  (anonymous
namespace)::RegionStoreManager::getBinding()
    @          0xb069d98        480  clang::ento::ProgramState::getSVal()
    @          0xace7512        480  (anonymous
namespace)::NonnullGlobalConstantsChecker::checkLocation()
    @          0xb106dcb        448  (anonymous
namespace)::CheckLocationContext::runChecker()
    @          0xb100e71        736  expandGraphWithCheckers<>()
    @          0xb100977        320 
clang::ento::CheckerManager::runCheckersForLocation()
    @          0xb13bb49        736  clang::ento::ExprEngine::evalLocation()
    @          0xb13be75        736  clang::ento::ExprEngine::evalLoadCommon()
    @          0xb13a7df        704  clang::ento::ExprEngine::evalLoad()
    @          0xb1874bb       2752  clang::ento::ExprEngine::VisitCast()
    @          0xb12d693       4864  clang::ento::ExprEngine::Visit()
    @          0xb12a811        736  clang::ento::ExprEngine::ProcessStmt()
    @          0xb12a308        480 
clang::ento::ExprEngine::processCFGElement()
    @          0xb16f065        256  clang::ento::CoreEngine::HandlePostStmt()
    @          0xb16e23a        928 
clang::ento::CoreEngine::dispatchWorkItem()
    @          0xb16dc2c        768  clang::ento::CoreEngine::ExecuteWorkList()
    @          0x9d72124        192  clang::ento::ExprEngine::ExecuteWorkList()
...

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