Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Codes: 0x000000000000000d, 0x0000000000000000 Crashed Thread: 0 Dispatch queue: com.apple.main-thread Thread 0 Crashed: Dispatch queue: com.apple.main-thread 0 com.apple.WebCore 0x0000000101103255 WebCore::markDOMNodeWrapper(JSC::MarkStack&, WebCore::Document*, WebCore::Node*) + 37 1 com.apple.JavaScriptCore 0x00000001007a312e JSC::MarkStack::markChildren(JSC::JSCell*) + 350 2 ??? 0x0000000000000001 0 + 1 3 com.apple.JavaScriptCore 0x0000000100828150 JSC::JSArray::~JSArray() + 0 4 ??? 0x0000000000841f0f 0 + 8658703
OK, better steps: 1. Open webkit nightly. 2. Open url. 3. Refresh if it hasn't crashed, yet. It seems with the latest nightly to crash more often if it is the first thing you do and sometimes you need to refresh once.
<rdar://problem/8453279>
*** This bug has been marked as a duplicate of bug 45205 ***