Hello,
One of our users reported the following crash:
Unhandled exception at 0x00007FF82C50EF89 (ntdll.dll) in
fdm.exe.3964.dmp: 0xC0000374: A heap has been corrupted (parameters:
0x00007FF82C5777F0).
With the following stack trace:
ntdll.dll!RtlReportFatalFailure () Unknown
ntdll.dll!RtlReportCriticalFailure () Unknown
ntdll.dll!RtlpHeapHandleError () Unknown
ntdll.dll!RtlpHpHeapHandleError () Unknown
ntdll.dll!RtlpLogHeapFailure () Unknown
ntdll.dll!RtlpLowFragHeapAllocFromContext() Unknown
ntdll.dll!RtlpAllocateHeapInternal () Unknown
ucrtbase.dll!_malloc_base() Unknown
libcrypto-1_1-x64.dll!00007fffc4a6f16e() Unknown
libcrypto-1_1-x64.dll!00007fffc4a719b9() Unknown
libssl-1_1-x64.dll!00007ff813f6e166() Unknown
libssl-1_1-x64.dll!00007ff813f85f3f() Unknown
libssl-1_1-x64.dll!00007ff813f66d0c() Unknown
Qt5Network.dll!QSslSocketBackendPrivate::startHandshake() Line 1011 C++
Qt5Network.dll!QSslSocketBackendPrivate::startServerEncryption() Line
695 C++
Qt5Network.dll!QSslSocket::startClientEncryption() Line 1855 C++
Qt5Network.dll!QSslSocket::qt_static_metacall(QObject * _o,
QMetaObject::Call _c, int _id, void * * _a) Line 180 C++
Qt5Core.dll!QMetaObject::activate(QObject * sender, int signalOffset,
int local_signal_index, void * * argv) Line 3807 C++
Qt5Network.dll!QAbstractSocketPrivate::_q_testConnection() Line 1181 C++
Qt5Network.dll!QWriteNotifier::event(QEvent * e) Line 1310 C++
Qt5Widgets.dll!QApplicationPrivate::notify_helper(QObject * receiver,
QEvent * e) Line 3652 C++
Qt5Widgets.dll!QApplication::notify(QObject * receiver, QEvent * e) Line
3604 C++
Qt5Core.dll!QCoreApplication::notifyInternal2(QObject * receiver, QEvent
* event) Line 1088 C++
Qt5Core.dll!qt_internal_proc(HWND__ * hwnd, unsigned int message,
unsigned __int64 wp, __int64 lp) Line 204 C++
user32.dll!UserCallWinProcCheckWow() Unknown
user32.dll!DispatchMessageWorker() Unknown
Qt5Core.dll!QEventDispatcherWin32::processEvents(QFlags<enum
QEventLoop::ProcessEventsFlag> flags) Line 650 C++
Qt5Core.dll!QEventLoop::exec(QFlags<enum QEventLoop::ProcessEventsFlag>
flags) Line 225 C++
Qt5Core.dll!QThread::exec() Line 531 C++
Qt5Core.dll!QThreadPrivate::start(void * arg) Line 405 C++
kernel32.dll!BaseThreadInitThunk () Unknown
ntdll.dll!RtlUserThreadStart () Unknown
We use Qt 5.12.10. It seems it's a rare crash. Any thoughts what can be
the cause of it and can it be fixed somehow?
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