[Webkit-unassigned] [Bug 160337] Crash in JavaScriptCore GC when using JSC on dispatch queues (thread_get_state returns NULL stack pointer)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=160337

--- Comment #5 from Ben Nham <nham at fb.com> ---
Ugh, I'm commenting too fast. thread_get_register_pointer_values just leaves the sp output parameter untouched when state.__rsp (or the equivalent register on another arch) is 0x0 and also returns KERN_SUCCESS. I don't see how this behavior would fix this crash. Seems like the simplest workaround is to ignore threads with null stack pointers.

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