[Webkit-unassigned] [Bug 75148] New: Crash in WebKit::WebPage::runModal() running request-animation-frame-during-modal.html under Guard Malloc

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=75148

           Summary: Crash in WebKit::WebPage::runModal() running
                    request-animation-frame-during-modal.html under Guard
                    Malloc
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: simon.fraser at apple.com
                CC: sam at webkit.org, rniwa at webkit.org


Created an attachment (id=120399)
 --> (https://bugs.webkit.org/attachment.cgi?id=120399&action=review)
Crash log

I ran tests on SL/WK2 under guard malloc. fast/animation/request-animation-frame-during-modal.html crashed:


Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x0000000147362ff2
Crashed Thread:  0  Dispatch queue: com.apple.main-thread

Thread 0 Crashed:  Dispatch queue: com.apple.main-thread
0   com.apple.WebKit2                 0x00000001005ec27c WebKit::WebPage::runModal() + 92 (WebPage.cpp:2705)
1   com.apple.WebKit2                 0x00000001005953f9 WebKit::WebChromeClient::runModal() + 25 (WebChromeClient.cpp:191)
2   com.apple.WebCore                 0x0000000102018670 WebCore::Chrome::runModal() const + 96 (Chrome.cpp:234)
3   com.apple.WebCore                 0x00000001023e7990 WebCore::DOMWindow::showModalDialog(WTF::String const&, WTF::String const&, WebCore::DOMWindow*, WebCore::DOMWindow*, void (*)(WebCore::DOMWindow*, void*), void*) + 496 (DOMWindow.cpp:1929)
4   com.apple.WebCore                 0x0000000102984272 WebCore::JSDOMWindow::showModalDialog(JSC::ExecState*) + 402 (JSDOMWindowCustom.cpp:620)
5   com.apple.WebCore                 0x00000001029738a6 WebCore::jsDOMWindowPrototypeFunctionShowModalDialog(JSC::ExecState*) + 374 (JSDOMWindow.cpp:10890)
6   ???                               0x0000507cb9801218 0 + 88496618344984

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