[Webkit-unassigned] [Bug 49598] New: Safari Extension AdBlock with webkit causes instability

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=49598

           Summary: Safari Extension AdBlock with webkit causes
                    instability
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh Intel
        OS/Version: Mac OS X 10.6
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: WebCore JavaScript
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: smkolins at mac.com


I started having severe instability in recent webkits - the last fully stable webkit at least with this problem is WebKit-SVN-r71484. I'm currently on r71897.

What I found, after attempting various resets, that the current version of extension AdBlock would cause crashes. I remove that extension and crashes stop. I add it and they start. Often the crashes come up after the webkit notice of what version but sometimes before and sometimes after. If after almost always by the time I login to a secure site but that may be incidental.

 The crashed thread is 

Thread 0 Crashed:  Dispatch queue: com.apple.main-thread
0   com.apple.WebCore                 0x0000000100d0540e WebCore::Console::addMessage(WebCore::MessageType, WebCore::MessageLevel, WTF::PassOwnPtr<WebCore::ScriptArguments>, WTF::PassOwnPtr<WebCore::ScriptCallStack>, bool) + 302
1   com.apple.WebCore                 0x0000000100d0561c WebCore::Console::log(WTF::PassOwnPtr<WebCore::ScriptArguments>, WTF::PassOwnPtr<WebCore::ScriptCallStack>) + 60
2   com.apple.WebCore                 0x0000000101171208 WebCore::jsConsolePrototypeFunctionLog(JSC::ExecState*) + 200
3   ???                               0x00004e42fb2001b8 0 + 86049587986872
4   com.apple.JavaScriptCore          0x00000001007e2687 JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 1159
5   ???                               000000000000000000 0 + 0
6   ???                               0x00000001034e8050 0 + 4350443600
7   com.apple.JavaScriptCore          0x000000010082be30 JSC::JSActivation::~JSActivation() + 0
8   ???                               0x0000000000841f0f 0 + 8658703

(from the crash log)

I'll attach the entire crashlog.

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