[Webkit-unassigned] [Bug 56253] REGRESSION: Frequent crashes inside MachineStackMarker::registerThread

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=56253





--- Comment #26 from Niklas Brunberg <n.brunberg at gmail.com>  2011-03-23 05:25:47 PST ---
(In reply to comment #25)
> I believe I've narrowed this to r80742. If anyone could confirm, the dozen builds I've done won't go to waste.

I don't have the ability to build on this computer but can confirm that this still happens on r81689:


Thread 0 Crashed:  Dispatch queue: com.apple.main-thread
0   libSystem.B.dylib                 0x00007fff88a2d44c pthread_getspecific + 0
1   com.apple.JavaScriptCore          0x0000000100893035 JSC::MachineThreads::addCurrentThread() + 85
2   com.apple.JavaScriptCore          0x000000010088a98c JSWeakObjectMapClear + 124
3   com.apple.Safari                  0x00000001001a0b5e 0x100000000 + 1706846
4   com.apple.Safari                  0x00000001001a03df 0x100000000 + 1704927
5   com.apple.JavaScriptCore          0x0000000100830b4e JSC::JSCallbackObject<JSC::JSObjectWithGlobalObject>::~JSCallbackObject() + 62
6   com.apple.JavaScriptCore          0x0000000100894856 JSC::MarkedSpace::allocateFromSizeClass(JSC::MarkedSpace::SizeClass&) + 102
7   com.apple.JavaScriptCore          0x0000000100817636 cti_op_new_regexp + 118
8   ???                               0x000059ccc74e8851 0 + 98736052013137
9   com.apple.JavaScriptCore          0x00000001007d9c2d JSC::Interpreter::executeCall(JSC::ExecState*, JSC::JSObject*, JSC::CallType, JSC::CallData const&, JSC::JSValue, JSC::ArgList const&) + 765
10  ???                               0x000000000000000a 0 + 10
11  ???                               0x00000001187bc8f0 0 + 4705732848
12  com.apple.JavaScriptCore          0x000000010083c120 JSC::JSFunction::~JSFunction() + 0
13  ???                               0x00152b40058d48fd 0 + 5958528481970429

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