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  1. Qt
  2. QTBUG-126107

tst_QStingConverter::invalidConverter() triggers valgrind

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Details

    • Linux/X11
    • 9d5611dc9 (dev), ae44b283a (6.8), 49b83dc77 (6.7)

    Description

      Running tst_qstringconverter under Valgrind, I get

      ********* Start testing of tst_QStringConverter *********
Config: Using QtTest library 6.9.0, Qt 6.9.0 (x86_64-little_endian-lp64 shared (dynamic) debug build; by GCC 11.2.1 20211211), ubuntu 20.04
QINFO  : tst_QStringConverter::initTestCase() System locale is UTF-8
PASS   : tst_QStringConverter::initTestCase()
PASS   : tst_QStringConverter::threadSafety()
PASS   : tst_QStringConverter::constructByName()
==3769588== Conditional jump or move depends on uninitialised value(s)
==3769588==    at 0x483FEDC: strcmp (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==3769588==    by 0x4C41EB6: qstrcmp(char const*, char const*) (in /home/marc/Qt/qtbase-submit-build/lib/libQt6Core.so.6.9.0)
==3769588==    by 0x48975D8: QTest::compare_string_helper(char const*, char const*, char const*, char const*, char const*, int) (in /home/marc/Qt/qtbase-submit-build/lib/libQt6Test.so.6.9.0)
==3769588==    by 0x12B12A: QTest::qCompare(char*, char*, char const*, char const*, char const*, int) (in /home/marc/Qt/qtbase-submit-build/tests/auto/corelib/text/qstringconverter/tst_qstringconverter)
==3769588==    by 0x10EE94: tst_QStringConverter::invalidConverter() (in /home/marc/Qt/qtbase-submit-build/tests/auto/corelib/text/qstringconverter/tst_qstringconverter)
==3769588==    by 0x127071: tst_QStringConverter::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (in /home/marc/Qt/qtbase-submit-build/tests/auto/corelib/text/qstringconverter/tst_qstringconverter)
==3769588==    by 0x4B336BD: QMetaMethodInvoker::invokeImpl(QMetaMethod, void*, Qt::ConnectionType, long long, void const* const*, char const* const*, QtPrivate::QMetaTypeInterface const* const*) (in /home/marc/Qt/qtbase-submit-build/lib/libQt6Core.so.6.9.0)
==3769588==    by 0x4B329E5: QMetaMethod::invokeImpl(QMetaMethod, void*, Qt::ConnectionType, long long, void const* const*, char const* const*, QtPrivate::QMetaTypeInterface const* const*) (in /home/marc/Qt/qtbase-submit-build/lib/libQt6Core.so.6.9.0)
==3769588==    by 0x489E66D: std::enable_if<!std::disjunction<>::value, bool>::type QMetaMethod::invoke<void>(QObject*, Qt::ConnectionType, QTemplatedMetaMethodReturnArgument<void>) const (in /home/marc/Qt/qtbase-submit-build/lib/libQt6Test.so.6.9.0)
==3769588==    by 0x489C11B: std::enable_if<!std::disjunction<>::value, bool>::type QMetaMethod::invoke<>(QObject*, Qt::ConnectionType) const (in /home/marc/Qt/qtbase-submit-build/lib/libQt6Test.so.6.9.0)
==3769588==    by 0x488DA44: QTest::invokeTestMethodIfValid(QMetaMethod, QObject*) (in /home/marc/Qt/qtbase-submit-build/lib/libQt6Test.so.6.9.0)
==3769588==    by 0x48902D3: QTest::TestMethods::invokeTestOnData(int) const (in /home/marc/Qt/qtbase-submit-build/lib/libQt6Test.so.6.9.0)
==3769588== 
==3769588== Conditional jump or move depends on uninitialised value(s)
==3769588==    at 0x483FEFB: strcmp (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==3769588==    by 0x4C41EB6: qstrcmp(char const*, char const*) (in /home/marc/Qt/qtbase-submit-build/lib/libQt6Core.so.6.9.0)
==3769588==    by 0x48975D8: QTest::compare_string_helper(char const*, char const*, char const*, char const*, char const*, int) (in /home/marc/Qt/qtbase-submit-build/lib/libQt6Test.so.6.9.0)
==3769588==    by 0x12B12A: QTest::qCompare(char*, char*, char const*, char const*, char const*, int) (in /home/marc/Qt/qtbase-submit-build/tests/auto/corelib/text/qstringconverter/tst_qstringconverter)
==3769588==    by 0x10EE94: tst_QStringConverter::invalidConverter() (in /home/marc/Qt/qtbase-submit-build/tests/auto/corelib/text/qstringconverter/tst_qstringconverter)
==3769588==    by 0x127071: tst_QStringConverter::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (in /home/marc/Qt/qtbase-submit-build/tests/auto/corelib/text/qstringconverter/tst_qstringconverter)
==3769588==    by 0x4B336BD: QMetaMethodInvoker::invokeImpl(QMetaMethod, void*, Qt::ConnectionType, long long, void const* const*, char const* const*, QtPrivate::QMetaTypeInterface const* const*) (in /home/marc/Qt/qtbase-submit-build/lib/libQt6Core.so.6.9.0)
==3769588==    by 0x4B329E5: QMetaMethod::invokeImpl(QMetaMethod, void*, Qt::ConnectionType, long long, void const* const*, char const* const*, QtPrivate::QMetaTypeInterface const* const*) (in /home/marc/Qt/qtbase-submit-build/lib/libQt6Core.so.6.9.0)
==3769588==    by 0x489E66D: std::enable_if<!std::disjunction<>::value, bool>::type QMetaMethod::invoke<void>(QObject*, Qt::ConnectionType, QTemplatedMetaMethodReturnArgument<void>) const (in /home/marc/Qt/qtbase-submit-build/lib/libQt6Test.so.6.9.0)
==3769588==    by 0x489C11B: std::enable_if<!std::disjunction<>::value, bool>::type QMetaMethod::invoke<>(QObject*, Qt::ConnectionType) const (in /home/marc/Qt/qtbase-submit-build/lib/libQt6Test.so.6.9.0)
==3769588==    by 0x488DA44: QTest::invokeTestMethodIfValid(QMetaMethod, QObject*) (in /home/marc/Qt/qtbase-submit-build/lib/libQt6Test.so.6.9.0)
==3769588==    by 0x48902D3: QTest::TestMethods::invokeTestOnData(int) const (in /home/marc/Qt/qtbase-submit-build/lib/libQt6Test.so.6.9.0)
==3769588== 
==3769588== Conditional jump or move depends on uninitialised value(s)
==3769588==    at 0x48B2DB9: QTestResult::reportResult(bool, void const*, void const*, char const* (*)(void const*), char const* (*)(void const*), char const*, char const*, QTest::ComparisonOperation, char const*, int, char const*) (in /home/marc/Qt/qtbase-submit-build/lib/libQt6Test.so.6.9.0)
==3769588==    by 0x489662C: QTest::compare_helper(bool, char const*, void const*, void const*, char const* (*)(void const*), char const* (*)(void const*), char const*, char const*, char const*, int) (in /home/marc/Qt/qtbase-submit-build/lib/libQt6Test.so.6.9.0)
==3769588==    by 0x4897611: QTest::compare_string_helper(char const*, char const*, char const*, char const*, char const*, int) (in /home/marc/Qt/qtbase-submit-build/lib/libQt6Test.so.6.9.0)
==3769588==    by 0x12B12A: QTest::qCompare(char*, char*, char const*, char const*, char const*, int) (in /home/marc/Qt/qtbase-submit-build/tests/auto/corelib/text/qstringconverter/tst_qstringconverter)
==3769588==    by 0x10EE94: tst_QStringConverter::invalidConverter() (in /home/marc/Qt/qtbase-submit-build/tests/auto/corelib/text/qstringconverter/tst_qstringconverter)
==3769588==    by 0x127071: tst_QStringConverter::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (in /home/marc/Qt/qtbase-submit-build/tests/auto/corelib/text/qstringconverter/tst_qstringconverter)
==3769588==    by 0x4B336BD: QMetaMethodInvoker::invokeImpl(QMetaMethod, void*, Qt::ConnectionType, long long, void const* const*, char const* const*, QtPrivate::QMetaTypeInterface const* const*) (in /home/marc/Qt/qtbase-submit-build/lib/libQt6Core.so.6.9.0)
==3769588==    by 0x4B329E5: QMetaMethod::invokeImpl(QMetaMethod, void*, Qt::ConnectionType, long long, void const* const*, char const* const*, QtPrivate::QMetaTypeInterface const* const*) (in /home/marc/Qt/qtbase-submit-build/lib/libQt6Core.so.6.9.0)
==3769588==    by 0x489E66D: std::enable_if<!std::disjunction<>::value, bool>::type QMetaMethod::invoke<void>(QObject*, Qt::ConnectionType, QTemplatedMetaMethodReturnArgument<void>) const (in /home/marc/Qt/qtbase-submit-build/lib/libQt6Test.so.6.9.0)
==3769588==    by 0x489C11B: std::enable_if<!std::disjunction<>::value, bool>::type QMetaMethod::invoke<>(QObject*, Qt::ConnectionType) const (in /home/marc/Qt/qtbase-submit-build/lib/libQt6Test.so.6.9.0)
==3769588==    by 0x488DA44: QTest::invokeTestMethodIfValid(QMetaMethod, QObject*) (in /home/marc/Qt/qtbase-submit-build/lib/libQt6Test.so.6.9.0)
==3769588==    by 0x48902D3: QTest::TestMethods::invokeTestOnData(int) const (in /home/marc/Qt/qtbase-submit-build/lib/libQt6Test.so.6.9.0)
==3769588== 
==3769588== Conditional jump or move depends on uninitialised value(s)
==3769588==    at 0x48B1EC6: checkStatement(bool, char const*, char const*, int) (in /home/marc/Qt/qtbase-submit-build/lib/libQt6Test.so.6.9.0)
==3769588==    by 0x48B2E27: QTestResult::reportResult(bool, void const*, void const*, char const* (*)(void const*), char const* (*)(void const*), char const*, char const*, QTest::ComparisonOperation, char const*, int, char const*) (in /home/marc/Qt/qtbase-submit-build/lib/libQt6Test.so.6.9.0)
==3769588==    by 0x489662C: QTest::compare_helper(bool, char const*, void const*, void const*, char const* (*)(void const*), char const* (*)(void const*), char const*, char const*, char const*, int) (in /home/marc/Qt/qtbase-submit-build/lib/libQt6Test.so.6.9.0)
==3769588==    by 0x4897611: QTest::compare_string_helper(char const*, char const*, char const*, char const*, char const*, int) (in /home/marc/Qt/qtbase-submit-build/lib/libQt6Test.so.6.9.0)
==3769588==    by 0x12B12A: QTest::qCompare(char*, char*, char const*, char const*, char const*, int) (in /home/marc/Qt/qtbase-submit-build/tests/auto/corelib/text/qstringconverter/tst_qstringconverter)
==3769588==    by 0x10EE94: tst_QStringConverter::invalidConverter() (in /home/marc/Qt/qtbase-submit-build/tests/auto/corelib/text/qstringconverter/tst_qstringconverter)
==3769588==    by 0x127071: tst_QStringConverter::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (in /home/marc/Qt/qtbase-submit-build/tests/auto/corelib/text/qstringconverter/tst_qstringconverter)
==3769588==    by 0x4B336BD: QMetaMethodInvoker::invokeImpl(QMetaMethod, void*, Qt::ConnectionType, long long, void const* const*, char const* const*, QtPrivate::QMetaTypeInterface const* const*) (in /home/marc/Qt/qtbase-submit-build/lib/libQt6Core.so.6.9.0)
==3769588==    by 0x4B329E5: QMetaMethod::invokeImpl(QMetaMethod, void*, Qt::ConnectionType, long long, void const* const*, char const* const*, QtPrivate::QMetaTypeInterface const* const*) (in /home/marc/Qt/qtbase-submit-build/lib/libQt6Core.so.6.9.0)
==3769588==    by 0x489E66D: std::enable_if<!std::disjunction<>::value, bool>::type QMetaMethod::invoke<void>(QObject*, Qt::ConnectionType, QTemplatedMetaMethodReturnArgument<void>) const (in /home/marc/Qt/qtbase-submit-build/lib/libQt6Test.so.6.9.0)
==3769588==    by 0x489C11B: std::enable_if<!std::disjunction<>::value, bool>::type QMetaMethod::invoke<>(QObject*, Qt::ConnectionType) const (in /home/marc/Qt/qtbase-submit-build/lib/libQt6Test.so.6.9.0)
==3769588==    by 0x488DA44: QTest::invokeTestMethodIfValid(QMetaMethod, QObject*) (in /home/marc/Qt/qtbase-submit-build/lib/libQt6Test.so.6.9.0)
==3769588== 
PASS   : tst_QStringConverter::invalidConverter()

      Posting here to not forget about it.

      Attachments

        For Gerrit Dashboard: QTBUG-126107
        # Subject Branch Project Status CR V
        566986,1 tst_QStringConverter: compare pointer distances, not pointers tqtc/lts-6.5 qt/tqtc-qtbase Status: NEW 0 0
        566342,3 tst_QStringConverter: compare pointer distances, not pointers dev qt/qtbase Status: MERGED +2 0
        566720,2 tst_QStringConverter: compare pointer distances, not pointers 6.8 qt/qtbase Status: MERGED +2 0
        566812,2 tst_QStringConverter: compare pointer distances, not pointers 6.7 qt/qtbase Status: MERGED +2 0

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            thiago Thiago Macieira
            mmutz Marc Mutz
            Vladimir Minenko Vladimir Minenko
            Alex Blasche Alex Blasche
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              Updated:
              Resolved:

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