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Type: Bug
Resolution: Done
Priority: P1: Critical
Fix Version/s: 5.13.2
Affects Version/s: 5.13.0, 5.13.1
Component/s: WebEngine
Labels:
- Reported_by_support_standard

Platform/s:

Windows

To reproduce, run simple browser example (debug build) and repeatedly click "Developers" link in qt.io. It seems completely random and may take many tens of clicks to occur.

It shows a dialog that the render process crashed. Pressing Yes to reload the page, crashes the example with this printed to the output:

[21636:22496:0821/103950.169:FATAL:network_context.cc(969)] Check failed: false. 
Backtrace:
	QWebEngineUrlSchemeHandler::qt_static_metacall [0x12BA1135+838917]
	QWebEngineUrlSchemeHandler::qt_static_metacall [0x12BAEA74+894532]
	QWebEngineUrlSchemeHandler::qt_static_metacall [0x12BAEAAC+894588]
	QWebEngineUrlSchemeHandler::qt_static_metacall [0x12ADF71E+45806]
	GetHandleVerifier [0x14202169+23269801]
	QtWebEngineCore::JavaScriptDialogController::qt_static_metacall [0x0F99A2CE+1158526]
	GetHandleVerifier [0x141FB99A+23243226]
	GetHandleVerifier [0x12F068C1+3365121]
	GetHandleVerifier [0x12F05A66+3361446]
	GetHandleVerifier [0x12F0E7C3+3397635]
	GetHandleVerifier [0x12F064AF+3364079]
	GetHandleVerifier [0x12EFCC6C+3325100]
	GetHandleVerifier [0x12EFA4E1+3314977]
	GetHandleVerifier [0x12F0E7C3+3397635]
	GetHandleVerifier [0x12EF3880+3287232]
	GetHandleVerifier [0x12EF4A95+3291861]
	GetHandleVerifier [0x12EF43C7+3290119]
	GetHandleVerifier [0x12EF44D3+3290387]
	QtWebEngineCore::PdfiumDocumentWrapperQt::pageAsQImage [0x0F83434A+133050]
	QtWebEngineCore::PdfiumDocumentWrapperQt::pageAsQImage [0x0F834411+133249]
	QtWebEngineCore::PdfiumDocumentWrapperQt::pageAsQImage [0x0F834578+133608]
	QtWebEngineCore::PdfiumDocumentWrapperQt::pageAsQImage [0x0F8397A1+154641]
	CertificateErrorController::operator= [0x0F72D17F+127]
	QtWebEngineCore::JavaScriptDialogController::qt_static_metacall [0x10633AEF+14370207]
	QtWebEngineCore::JavaScriptDialogController::qt_static_metacall [0x10631A1C+14361804]
	QtWebEngineCore::JavaScriptDialogController::qt_static_metacall [0x10631A8C+14361916]
	QtWebEngineCore::JavaScriptDialogController::qt_static_metacall [0x10631C3E+14362350]
	QtWebEngineCore::JavaScriptDialogController::qt_static_metacall [0x1063480E+14373566]
	QtWebEngineCore::JavaScriptDialogController::qt_static_metacall [0x117B0123+32705491]
	GetHandleVerifier [0x12F1ED5B+3464603]
	GetHandleVerifier [0x12F1EDBC+3464700]
	GetHandleVerifier [0x12F1EE61+3464865]
	GetHandleVerifier [0x12F1FE74+3468980]
	QtWebEngineCore::WebEngineSettings::setWebContentsAdapter [0x0F7278D5+3045]
	GetHandleVerifier [0x12BE72DA+90906]
	QWebEngineUrlSchemeHandler::qt_static_metacall [0x12BB4D33+919811]
	QWebEngineUrlSchemeHandler::qt_static_metacall [0x12BB3B08+915160]
	QWebEngineUrlSchemeHandler::qt_static_metacall [0x12BB419D+916845]
	QWebEngineUrlSchemeHandler::qt_static_metacall [0x12B7DA91+693857]
	QWebEngineUrlSchemeHandler::qt_static_metacall [0x12B7E869+697401]
	QWebEngineUrlSchemeHandler::qt_static_metacall [0x12BB4AB5+919173]
	QWebEngineUrlSchemeHandler::qt_static_metacall [0x12B1F878+308296]
	QWebEngineUrlSchemeHandler::qt_static_metacall [0x12B25BD2+333730]
	QtWebEngineCore::JavaScriptDialogController::qt_static_metacall [0x11B75B5C+36660748]
	QtWebEngineCore::JavaScriptDialogController::qt_static_metacall [0x11B75E5E+36661518]
	QWebEngineUrlSchemeHandler::qt_static_metacall [0x12B26653+336419]
	QWebEngineUrlSchemeHandler::qt_static_metacall [0x12AE622C+73212]
	BaseThreadInitThunk [0x772E8494+36]
	RtlAreBitsSet [0x775641C8+136]
	RtlAreBitsSet [0x77564198+88]

[21636:22496:0821/103950.169:FATAL:network_context.cc(969)] Check failed: false. 
Backtrace:
	QWebEngineUrlSchemeHandler::qt_static_metacall [0x12BA1135+838917]
	QWebEngineUrlSchemeHandler::qt_static_metacall [0x12BAEA74+894532]
	QWebEngineUrlSchemeHandler::qt_static_metacall [0x12BAEAAC+894588]
	QWebEngineUrlSchemeHandler::qt_static_metacall [0x12ADF71E+45806]
	GetHandleVerifier [0x14202169+23269801]
	QtWebEngineCore::JavaScriptDialogController::qt_static_metacall [0x0F99A2CE+1158526]
	GetHandleVerifier [0x141FB99A+23243226]
	GetHandleVerifier [0x12F068C1+3365121]
	GetHandleVerifier [0x12F05A66+3361446]
	GetHandleVerifier [0x12F0E7C3+3397635]
	GetHandleVerifier [0x12F064AF+3364079]
	GetHandleVerifier [0x12EFCC6C+3325100]
	GetHandleVerifier [0x12EFA4E1+3314977]
	GetHandleVerifier [0x12F0E7C3+3397635]
	GetHandleVerifier [0x12EF3880+3287232]
	GetHandleVerifier [0x12EF4A95+3291861]
	GetHandleVerifier [0x12EF43C7+3290119]
	GetHandleVerifier [0x12EF44D3+3290387]
	QtWebEngineCore::PdfiumDocumentWrapperQt::pageAsQImage [0x0F83434A+133050]
	QtWebEngineCore::PdfiumDocumentWrapperQt::pageAsQImage [0x0F834411+133249]
	QtWebEngineCore::PdfiumDocumentWrapperQt::pageAsQImage [0x0F834578+133608]
	QtWebEngineCore::PdfiumDocumentWrapperQt::pageAsQImage [0x0F8397A1+154641]
	CertificateErrorController::operator= [0x0F72D17F+127]
	QtWebEngineCore::JavaScriptDialogController::qt_static_metacall [0x10633AEF+14370207]
	QtWebEngineCore::JavaScriptDialogController::qt_static_metacall [0x10631A1C+14361804]
	QtWebEngineCore::JavaScriptDialogController::qt_static_metacall [0x10631A8C+14361916]
	QtWebEngineCore::JavaScriptDialogController::qt_static_metacall [0x10631C3E+14362350]
	QtWebEngineCore::JavaScriptDialogController::qt_static_metacall [0x1063480E+14373566]
	QtWebEngineCore::JavaScriptDialogController::qt_static_metacall [0x117B0123+32705491]
	GetHandleVerifier [0x12F1ED5B+3464603]
	GetHandleVerifier [0x12F1EDBC+3464700]
	GetHandleVerifier [0x12F1EE61+3464865]
	GetHandleVerifier [0x12F1FE74+3468980]
	QtWebEngineCore::WebEngineSettings::setWebContentsAdapter [0x0F7278D5+3045]
	GetHandleVerifier [0x12BE72DA+90906]
	QWebEngineUrlSchemeHandler::qt_static_metacall [0x12BB4D33+919811]
	QWebEngineUrlSchemeHandler::qt_static_metacall [0x12BB3B08+915160]
	QWebEngineUrlSchemeHandler::qt_static_metacall [0x12BB419D+916845]
	QWebEngineUrlSchemeHandler::qt_static_metacall [0x12B7DA91+693857]
	QWebEngineUrlSchemeHandler::qt_static_metacall [0x12B7E869+697401]
	QWebEngineUrlSchemeHandler::qt_static_metacall [0x12BB4AB5+919173]
	QWebEngineUrlSchemeHandler::qt_static_metacall [0x12B1F878+308296]
	QWebEngineUrlSchemeHandler::qt_static_metacall [0x12B25BD2+333730]
	QtWebEngineCore::JavaScriptDialogController::qt_static_metacall [0x11B75B5C+36660748]
	QtWebEngineCore::JavaScriptDialogController::qt_static_metacall [0x11B75E5E+36661518]
	QWebEngineUrlSchemeHandler::qt_static_metacall [0x12B26653+336419]
	QWebEngineUrlSchemeHandler::qt_static_metacall [0x12AE622C+73212]
	BaseThreadInitThunk [0x772E8494+36]
	RtlAreBitsSet [0x775641C8+136]
	RtlAreBitsSet [0x77564198+88]

10:39:55: The program has unexpectedly finished.
10:39:55: The process was ended forcefully.
10:39:55: C:/Qt/Examples/Qt-5.13.0/webenginewidgets/build-simplebrowser/debug/simplebrowser.exe crashed.

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Assignee:: Qt WebEngine Team

Reporter:: Joni Poikelin

Votes:: 0 Vote for this issue

Watchers:: 6 Start watching this issue

Created:: 22 Aug '19 09:03

Updated:: 02 Oct '19 09:21

Resolved:: 02 Oct '19 09:21

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Fix iterating when erasing last element from task queue: Gerrit Review:

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