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Type: Bug
Resolution: Fixed
Priority: Not Evaluated
Fix Version/s: None
Affects Version/s: 6.5.5-1, 6.6.2, 6.7.0 RC2
Component/s: WebEngine
Labels:
None
Environment:
Windows 10 22H2, MSVC 2019 x64

Steps to reproduce

Build and run the "WebEngine Widgets PrintMe Example" in Debug mode (https://doc.qt.io/qt-6/qtwebengine-webenginewidgets-printme-example.html )
Press Ctrl+P

Outcomes
The app crashes with the following output:

Received fatal exception EXCEPTION_BREAKPOINT
Backtrace:
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE6D3B3D08+276843548]
	invalid_parameter [0x00007FFE9E0C7EC6+406]
	invalid_parameter [0x00007FFE9E0C7D90+96]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE73BF9548+386180188]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE73BF8EBD+386178513]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE73BF8F1D+386178609]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE73BF8DF1+386178309]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE73BF910A+386179102]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE73BEAAD3+386120167]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE792C40A7+477188027]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE792C445B+477188975]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE792CA50C+477213728]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE792B666B+477132159]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE792B700C+477134624]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE792B83A0+477139636]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE792D14D6+477242346]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE5D413455+8799081]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE792C206E+477179778]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE792C3D1C+477187120]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE792CAE1B+477216047]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE792CE4A2+477230006]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE6CFFE02F+272953155]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE792BE8E5+477165561]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE6EC14D1A+302406702]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE6EC129D3+302397671]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE6EC551D8+302670060]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE6EC140E8+302403580]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE6F6ED0FF+313778195]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE6F6E112B+313729087]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE6F6E1845+313730905]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE6F6E1C80+313731988]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE6F6F2656+313800042]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE5D413455+8799081]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE6D1D47D7+274880235]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE6D35D217+276488491]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE6D370B55+276568681]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE6D36FA5F+276564339]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE6D11E5B6+274134218]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE6D37B458+276611948]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE6D30B4CD+276153313]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE73F5BBBD+389728977]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE6B71F3DC+246874864]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE6B71DFE0+246869748]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE6B717121+246841397]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE6B711D8D+246820001]
	QWebEnginePage::setUrlRequestInterceptor [0x00007FFE5D494B4E+9329250]
	TargetGetStockObject [0x00007FF7CA4B49A3+287008]
	TargetGetStockObject [0x00007FF7CAC36FF7+8161140]
	TargetGetStockObject [0x00007FF7CAC36DFE+8160635]
	TargetGetStockObject [0x00007FF7CAC2E7A2+8126239]
	TargetGetStockObject [0x00007FF7CAC2E64E+8125899]
	TargetGetStockObject [0x00007FF7CAC2E50E+8125579]
	TargetGetStockObject [0x00007FF7CAC2E83E+8126395]
	BaseThreadInitThunk [0x00007FFF509D7344+20]
	RtlUserThreadStart [0x00007FFF517A26B1+33]
[33472:23964:0326/154355.401:INFO:web_contents_delegate_qt.cpp(279)] ProcessGone: 3 (-2147483645)
[33472:23964:0326/154355.401:INFO:web_contents_delegate_qt.cpp(279)] ProcessGone: 3 (-2147483645)

Notes
With Qt 5.15.16 LTS and Qt 6.2.12 LTS, the example does not crash and the print succeeds (tested using "Microsoft Print to PDF"). However, the app does report "Invalid parameter passed to C runtime function." I'm not sure if this is related to the same crash or not.

relates to

QTBUG-122384 html2pdf Example Fails to Generate Output PDF on Windows

Closed

split from

QTBUG-119878 [Reg 5.15->6.x] Crash and/or bad output when printing via Qt WebEngine's PDF plugin

Closed

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For Gerrit Dashboard: QTBUG-123755
#	Subject	Branch	Project	Status	CR	V
551705,1	FIXUP: Workaround debug iterator issues with MSVC	112-based	qt/qtwebengine-chromium	Status: ABANDONED	0	0
551706,1	FIXUP: Workaround debug iterator issues with MSVC	118-based	qt/qtwebengine-chromium	Status: ABANDONED	0	0

Assignee:: Qt WebEngine Team

Reporter:: Sze Howe Koh

Votes:: 0 Vote for this issue

Watchers:: 2 Start watching this issue

Created:: 26 Mar '24 07:50

Updated:: 27 Mar '24 14:44

Resolved:: 27 Mar '24 14:44

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FIXUP: Workaround debug iterator issues with MSVC: Gerrit Review:

FIXUP: Workaround debug iterator issues with MSVC: Gerrit Review:

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