[Webkit-unassigned] [Bug 109048] New: "ASSERTION FAILED: !document()->childNeedsStyleRecalc()" and segfault in "virtual bool WebCore::Node::isFocusable() const" when using CSS :checked pseudoclass

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=109048

           Summary: "ASSERTION FAILED:
                    !document()->childNeedsStyleRecalc()" and segfault in
                    "virtual bool WebCore::Node::isFocusable() const" when
                    using CSS :checked pseudoclass
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: New Bugs
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: jkt at flaska.net


Created an attachment (id=186846)
 --> (https://bugs.webkit.org/attachment.cgi?id=186846&action=review)
webkit-input-checked-crash.html

ASSERTION FAILED: !document()->childNeedsStyleRecalc()
dom/Node.cpp(931) : virtual bool WebCore::Node::isFocusable() const
1   0x7fe3756c9afc /opt/qt5/lib/libQt5WebKit.so.5(+0xd20afc) [0x7fe3756c9afc]
2   0x7fe377022aae /opt/qt5/lib/libQt5WebKit.so.5(+0x2679aae) [0x7fe377022aae]
3   0x7fe3772c2f8d /opt/qt5/lib/libQt5WebKit.so.5(+0x2919f8d) [0x7fe3772c2f8d]
4   0x7fe37737d0de /opt/qt5/lib/libQt5WebKit.so.5(+0x29d40de) [0x7fe37737d0de]
5   0x7fe37737db38 /opt/qt5/lib/libQt5WebKit.so.5(+0x29d4b38) [0x7fe37737db38]
6   0x7fe3772e3cc3 /opt/qt5/lib/libQt5WebKit.so.5(+0x293acc3) [0x7fe3772e3cc3]
7   0x7fe3756cee47 /opt/qt5/lib/libQt5WebKit.so.5(+0xd25e47) [0x7fe3756cee47]
8   0x7fe3759ad8fd /opt/qt5/lib/libQt5WebKit.so.5(+0x10048fd) [0x7fe3759ad8fd]
9   0x7fe3759ae5a8 /opt/qt5/lib/libQt5WebKit.so.5(+0x10055a8) [0x7fe3759ae5a8]
10  0x7fe374e96580 /opt/qt5/lib/libQt5WebKit.so.5(_ZN15QWebPageAdapter17mouseReleaseEventEP11QMouseEvent+0x70) [0x7fe374e96580]
11  0x7fe37c9141d7 /opt/qt5/lib/libQt5WebKitWidgets.so.5(_ZN8QWebPage5eventEP6QEvent+0x111) [0x7fe37c9141d7]
12  0x7fe37c91c0af /opt/qt5/lib/libQt5WebKitWidgets.so.5(_ZN8QWebView17mouseReleaseEventEP11QMouseEvent+0x6d) [0x7fe37c91c0af]
13  0x7fe373b53614 /opt/qt5/lib/libQt5Widgets.so.5(_ZN7QWidget5eventEP6QEvent+0x176) [0x7fe373b53614]
14  0x7fe37c91bad2 /opt/qt5/lib/libQt5WebKitWidgets.so.5(_ZN8QWebView5eventEP6QEvent+0x27e) [0x7fe37c91bad2]
15  0x7fe373afa7d1 /opt/qt5/lib/libQt5Widgets.so.5(_ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent+0x18b) [0x7fe373afa7d1]
16  0x7fe373af869f /opt/qt5/lib/libQt5Widgets.so.5(_ZN12QApplication6notifyEP7QObjectP6QEvent+0xbdb) [0x7fe373af869f]
17  0x7fe3726601ad /opt/qt5/lib/libQt5Core.so.5(_ZN16QCoreApplication14notifyInternalEP7QObjectP6QEvent+0xad) [0x7fe3726601ad]
18  0x7fe373afd5ca /opt/qt5/lib/libQt5Widgets.so.5(_ZN16QCoreApplication20sendSpontaneousEventEP7QObjectP6QEvent+0x60) [0x7fe373afd5ca]
19  0x7fe373af715e /opt/qt5/lib/libQt5Widgets.so.5(_ZN19QApplicationPrivate14sendMouseEventEP7QWidgetP11QMouseEventS1_S1_PS1_R8QPointerIS0_Eb+0x4dc) [0x7fe373af715e]
20  0x7fe373b8a0b5 /opt/qt5/lib/libQt5Widgets.so.5(+0x20e0b5) [0x7fe373b8a0b5]
21  0x7fe373b89431 /opt/qt5/lib/libQt5Widgets.so.5(+0x20d431) [0x7fe373b89431]
22  0x7fe373afa7d1 /opt/qt5/lib/libQt5Widgets.so.5(_ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent+0x18b) [0x7fe373afa7d1]
23  0x7fe373af7e8b /opt/qt5/lib/libQt5Widgets.so.5(_ZN12QApplication6notifyEP7QObjectP6QEvent+0x3c7) [0x7fe373af7e8b]
24  0x7fe3726601ad /opt/qt5/lib/libQt5Core.so.5(_ZN16QCoreApplication14notifyInternalEP7QObjectP6QEvent+0xad) [0x7fe3726601ad]
25  0x7fe372c6a2e6 /opt/qt5/lib/libQt5Gui.so.5(_ZN16QCoreApplication20sendSpontaneousEventEP7QObjectP6QEvent+0x60) [0x7fe372c6a2e6]
26  0x7fe372c63cce /opt/qt5/lib/libQt5Gui.so.5(_ZN22QGuiApplicationPrivate17processMouseEventEPN29QWindowSystemInterfacePrivate10MouseEventE+0x6b2) [0x7fe372c63cce]
27  0x7fe372c63427 /opt/qt5/lib/libQt5Gui.so.5(_ZN22QGuiApplicationPrivate24processWindowSystemEventEPN29QWindowSystemInterfacePrivate17WindowSystemEventE+0x163) [0x7fe372c63427]
28  0x7fe372c4c072 /opt/qt5/lib/libQt5Gui.so.5(_ZN22QWindowSystemInterface36sendWindowSystemEventsImplementationE6QFlagsIN10QEventLoop17ProcessEventsFlagEE+0x6e) [0x7fe372c4c072]
29  0x7fe372c4bfad /opt/qt5/lib/libQt5Gui.so.5(_ZN22QWindowSystemInterface22sendWindowSystemEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE+0x33) [0x7fe372c4bfad]
30  0x7fe36ba01085 /opt/qt5/plugins/platforms/libqxcb.so(+0x6a085) [0x7fe36ba01085]
31  0x7fe379f2e603 /usr/lib64/libglib-2.0.so.0(g_main_context_dispatch+0x163) [0x7fe379f2e603]
Segmentation fault

Using qt5's QWebView, commit v5.0.0-24-g70c60ff. The crash happens when the user clicks on the [...] <label> in the attached testcase. It works fine using Qt4's webkit.

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