[Webkit-unassigned] [Bug 145346] New: [GTK][Stable] Crash in WebCore::Frame::willDetachPage

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=145346

            Bug ID: 145346
           Summary: [GTK][Stable] Crash in WebCore::Frame::willDetachPage
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Gtk
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mcatanzaro at igalia.com

Moving from downstream. This is probably our biggest crasher, with 2700 reports so far. It seems to be a regression introduced in 2.6.6, maybe from r181631.

Thread no. 1 (10 frames)
 #0 WebCore::Frame::willDetachPage at /usr/src/debug/webkitgtk-2.6.6/Source/WebCore/page/Frame.cpp:783
 #1 WebCore::FrameLoader::detachFromParent at /usr/src/debug/webkitgtk-2.6.6/Source/WebCore/loader/FrameLoader.cpp:2487
 #2 WebKit::WebPage::close at /usr/src/debug/webkitgtk-2.6.6/Source/WebKit2/WebProcess/WebPage/WebPage.cpp:969
 #3 handleMessage<Messages::WebPage::Close, WebKit::WebPage, void (WebKit::WebPage::*)()> at /usr/src/debug/webkitgtk-2.6.6/Source/WebKit2/Platform/IPC/HandleMessage.h:120
 #4 WebKit::WebPage::didReceiveWebPageMessage at /usr/src/debug/webkitgtk-2.6.6/x86_64-redhat-linux-gnu/DerivedSources/WebKit2/WebPageMessageReceiver.cpp:592
 #5 IPC::MessageReceiverMap::dispatchMessage at /usr/src/debug/webkitgtk-2.6.6/Source/WebKit2/Platform/IPC/MessageReceiverMap.cpp:87
 #6 WebKit::WebProcess::didReceiveMessage at /usr/src/debug/webkitgtk-2.6.6/Source/WebKit2/WebProcess/WebProcess.cpp:599
 #7 IPC::Connection::dispatchMessage at /usr/src/debug/webkitgtk-2.6.6/Source/WebKit2/Platform/IPC/Connection.cpp:828
 #8 IPC::Connection::dispatchOneMessage at /usr/src/debug/webkitgtk-2.6.6/Source/WebKit2/Platform/IPC/Connection.cpp:856
 #9 WTF::RunLoop::performWork at /usr/src/debug/webkitgtk-2.6.6/Source/WTF/wtf/RunLoop.cpp:119

Full backtrace downstream.

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