Details
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Bug
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Resolution: Unresolved
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P2: Important
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None
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5.11.2, 5.12.2
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None
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Windows 10 Pro Build 17763
Windows 10 Home Single Language Build 17134
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Windows
Description
Our users experience nondeterministic crahes while calling QProcess::waitForFinished() in a loop like this:
QProcess::ProcessState state = myProcess.state();
while (QProcess::ProcessState::Running == state || QProcess::ProcessState::Starting == state) {
myProcess.waitForFinished(250);
QCoreApplication::processEvents();
state = myProcess.state();
}
Here is the call stack:
> Qt5Core.dll!QTranslatorPrivate::do_translate(const char * context, const char * sourceText, const char * comment, int n) Line 1024 C++ Qt5Core.dll!QTranslatorPrivate::do_translate(const char * context, const char * sourceText, const char * comment, int n) Line 1024 C++ Qt5Core.dll!QTranslator::translate(const char * context, const char * sourceText, const char * disambiguation, int n) Line 1130 C++ Qt5Core.dll!QCoreApplication::translate(const char * context, const char * sourceText, const char * disambiguation, int n) Line 2114 C++ [Inline Frame] Qt5Core.dll!QMetaObject::tr(const char *) Line 375 C++ Qt5Core.dll!QProcess::trUtf8(const char * s, const char * c, int n) Line 112 C++ [Inline Frame] Qt5Core.dll!QProcessPrivate::setError(QProcess::ProcessError) Line 972 C++ Qt5Core.dll!QProcessPrivate::waitForFinished(int msecs) Line 793 C++ Qt5Core.dll!QProcess::waitForFinished(int msecs) Line 1919 C++ Application.exe!Init::runInternal() Line 734 C++ Application.exe!Init::run() Line 870 C++ [Inline Frame] Qt5Core.dll!QtPrivate::QSlotObjectBase::call(QObject *) Line 376 C++ Qt5Core.dll!QMetaObject::activate(QObject * sender, int signalOffset, int local_signal_index, void * * argv) Line 3759 C++ [Inline Frame] Qt5Core.dll!QMetaObject::activate(QObject *) Line 3633 C++ [Inline Frame] Qt5Core.dll!QThread::started(QThread::QPrivateSignal _t1) Line 158 C++ Qt5Core.dll!QThreadPrivate::start(void * arg) Line 378 C++ kernel32.dll!BaseThreadInitThunk () Unknown ntdll.dll!RtlUserThreadStart () Unknown
An exception happens while executing "uint hash = read32(middle);" instruction. Any ideas why this might happen?
Qt is built using MSVC 2017 x64 as shared library.