[Webkit-unassigned] [Bug 12557] New: Occasional crashes when using JS-keyboard shortcuts

[bugzilla-daemon at webkit.org]

http://bugs.webkit.org/show_bug.cgi?id=12557

           Summary: Occasional crashes when using JS-keyboard shortcuts
           Product: WebKit
           Version: 420+ (nightly)
          Platform: Macintosh
               URL: http://mail.google.com/
        OS/Version: Mac OS X 10.4
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: WebCore JavaScript
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: wac at google.com


It looks like this is coming from an unsafe dereference in wtf/HashTable.h near
line 398.

Backtrace looks like:

Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_INVALID_ADDRESS at address: 0x5c6a5c78

#0  0x014633b1 in WTF::HashTable<int, int, WTF::IdentityExtractor<int>,
WTF::IntHash<int>, WTF::HashTraits<int>, WTF::HashTraits<int> >::contains<int,
WTF::IdentityHashTranslator<int, int, WTF::IntHash<int> > > ()
#1  0x011e5fda in WebCore::TimerBase::isActive ()
#2  0x010c3033 in WebCore::Frame::keepAlive ()
#3  0x01224c6e in KJS::ScriptInterpreter::globalExec ()
#4  0x01230cf8 in KJS::JSAbstractEventListener::handleEvent ()
#5  0x011fde20 in WebCore::EventTargetNode::handleLocalEvents ()
#6  0x011fe652 in WebCore::EventTargetNode::dispatchGenericEvent ()
#7  0x011feb78 in WebCore::EventTargetNode::dispatchEvent ()
#8  0x011fee9a in WebCore::EventTargetNode::dispatchKeyEvent ()
#9  0x013c7b15 in WebCore::EventHandler::keyEvent ()
#10 0x013c57b7 in WebCore::EventHandler::keyEvent ()
#11 0x0032f4c8 in -[WebHTMLView keyDown:] ()
#12 0x9334cbe1 in -[NSWindow sendEvent:] ()
#13 0x0002338e in ?? ()
#14 0x9333e350 in -[NSApplication sendEvent:] ()
#15 0x00022f1e in ?? ()
#16 0x93268dfe in -[NSApplication run] ()
#17 0x9325cd2f in NSApplicationMain ()
#18 0x0005f7de in ?? ()
#19 0x0005f6f9 in ?? ()


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