Bug 78502 – [Qt] inspector/styles/undo-add-new-rule.html crashes

• Status: RESOLVED
• Resolution: FIXED
• Component: Tools / Tests

[Csaba Osztrogonác]

inspector/styles/undo-add-new-rule.html introduced in http://trac.webkit.org/changeset/107561

[Csaba Osztrogonác]

... but crashes on 32 bit QtWebKit (pass on 64 bit)

here is the backtrace:
$ cat undo-add-new-rule-crash-log.txt | c++filt
1   0x8066ecb /ramdisk/qt-linux-release/build/WebKitBuild/Release/bin/DumpRenderTree() [0x8066ecb]
2   0xf76f7400 [0xf76f7400]
3   0xf5f44527 /ramdisk/qt-linux-release/build/WebKitBuild/Release/lib/libQtWebKit.so.4(WebCore::StylePropertySet::ensureCSSStyleDeclaration() const+0x17) [0xf5f44527]
4   0xf6240922 /ramdisk/qt-linux-release/build/WebKitBuild/Release/lib/libQtWebKit.so.4(WebCore::InspectorStyleSheet::deleteRule(WebCore::InspectorCSSId const&, int&)+0xb2) [0xf6240922]
5   0xf61df13e /ramdisk/qt-linux-release/build/WebKitBuild/Release/lib/libQtWebKit.so.4(WebCore::InspectorCSSAgent::AddRuleAction::undo(int&)+0x2e) [0xf61df13e]
6   0xf621bfb8 /ramdisk/qt-linux-release/build/WebKitBuild/Release/lib/libQtWebKit.so.4(WebCore::InspectorHistory::undo(int&)+0xb8) [0xf621bfb8]
7   0xf620300c /ramdisk/qt-linux-release/build/WebKitBuild/Release/lib/libQtWebKit.so.4(WebCore::InspectorDOMAgent::undo(WTF::String*)+0x3c) [0xf620300c]
8   0xf6ccfbfb /ramdisk/qt-linux-release/build/WebKitBuild/Release/lib/libQtWebKit.so.4(WebCore::InspectorBackendDispatcherImpl::DOM_undo(long, WebCore::InspectorObject*)+0x5b) [0xf6ccfbfb]
9   0xf6cc7946 /ramdisk/qt-linux-release/build/WebKitBuild/Release/lib/libQtWebKit.so.4(WebCore::InspectorBackendDispatcherImpl::dispatch(WTF::String const&)+0x346) [0xf6cc7946]
10  0xf61f09df /ramdisk/qt-linux-release/build/WebKitBuild/Release/lib/libQtWebKit.so.4(WebCore::InspectorController::dispatchMessageFromFrontend(WTF::String const&)+0x1f) [0xf61f09df]
11  0xf6216b43 /ramdisk/qt-linux-release/build/WebKitBuild/Release/lib/libQtWebKit.so.4(WebCore::InspectorBackendDispatchTask::onTimer(WebCore::Timer<WebCore::InspectorBackendDispatchTask>*)+0xf3) [0xf6216b43]
12  0xf6215831 /ramdisk/qt-linux-release/build/WebKitBuild/Release/lib/libQtWebKit.so.4(WebCore::Timer<WebCore::InspectorBackendDispatchTask>::fired()+0x21) [0xf6215831]
13  0xf6429f79 /ramdisk/qt-linux-release/build/WebKitBuild/Release/lib/libQtWebKit.so.4(WebCore::ThreadTimers::sharedTimerFiredInternal()+0xa9) [0xf6429f79]
14  0xf642a055 /ramdisk/qt-linux-release/build/WebKitBuild/Release/lib/libQtWebKit.so.4(WebCore::ThreadTimers::sharedTimerFired()+0x45) [0xf642a055]
15  0xf6623056 /ramdisk/qt-linux-release/build/WebKitBuild/Release/lib/libQtWebKit.so.4(WebCore::SharedTimerQt::timerEvent(QTimerEvent*)+0x46) [0xf6623056]
16  0xf3b354e4 /usr/local/Trolltech/Qt-4.8.0/lib/libQtCore.so.4(QObject::event(QEvent*)+0x84) [0xf3b354e4]
17  0xf3f3ee0c /usr/local/Trolltech/Qt-4.8.0/lib/libQtGui.so.4(QApplicationPrivate::notify_helper(QObject*, QEvent*)+0xac) [0xf3f3ee0c]
18  0xf3f44cc2 /usr/local/Trolltech/Qt-4.8.0/lib/libQtGui.so.4(QApplication::notify(QObject*, QEvent*)+0x162) [0xf3f44cc2]
19  0xf3b221ab /usr/local/Trolltech/Qt-4.8.0/lib/libQtCore.so.4(QCoreApplication::notifyInternal(QObject*, QEvent*)+0x7b) [0xf3b221ab]
20  0xf3b58b87 /usr/local/Trolltech/Qt-4.8.0/lib/libQtCore.so.4(+0x1c5b87) [0xf3b58b87]
21  0xf3b55b6a /usr/local/Trolltech/Qt-4.8.0/lib/libQtCore.so.4(+0x1c2b6a) [0xf3b55b6a]
22  0xf4ec0305 /lib/libglib-2.0.so.0(g_main_context_dispatch+0x1d5) [0xf4ec0305]
23  0xf4ec3fe8 /lib/libglib-2.0.so.0(+0x3efe8) [0xf4ec3fe8]
24  0xf4ec41c8 /lib/libglib-2.0.so.0(g_main_context_iteration+0x68) [0xf4ec41c8]
25  0xf3b55855 /usr/local/Trolltech/Qt-4.8.0/lib/libQtCore.so.4(QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)+0x65) [0xf3b55855]
26  0xf3ff9775 /usr/local/Trolltech/Qt-4.8.0/lib/libQtGui.so.4(+0x229775) [0xf3ff9775]
27  0xf3b20a69 /usr/local/Trolltech/Qt-4.8.0/lib/libQtCore.so.4(QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)+0x49) [0xf3b20a69]
28  0xf3b20f72 /usr/local/Trolltech/Qt-4.8.0/lib/libQtCore.so.4(QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)+0x182) [0xf3b20f72]
29  0xf3b2732f /usr/local/Trolltech/Qt-4.8.0/lib/libQtCore.so.4(QCoreApplication::exec()+0xaf) [0xf3b2732f]
30  0xf3f3de77 /usr/local/Trolltech/Qt-4.8.0/lib/libQtGui.so.4(QApplication::exec()+0x27) [0xf3f3de77]
31  0x8067f81 /ramdisk/qt-linux-release/build/WebKitBuild/Release/bin/DumpRenderTree() [0x8067f81]

[Csaba Osztrogonác]

I skipped it until proper fix - http://trac.webkit.org/changeset/107578

[Pavel Feldman]

*** Bug 78522 has been marked as a duplicate of this bug. ***

[Pavel Feldman]

Created attachment 126916 [details]
Patch

[Pavel Feldman]

Fix landed as http://trac.webkit.org/changeset/107676.