Re: [PATCH 4/4] ptrace: fix possible zombie leak on PTRACE_DETACH

[Oleg Nesterov]

On 02/04, Roland McGrath wrote:
>
> ACK on the change, though looks different if you put __ptrace_detach in
> ptrace.c with the earliar patch, as I suggest.  Also, I think this warrants
> a comment for the release_task call mentioning briefly what it means:
> 
> 	/*
> 	 * The flag means __ptrace_detach() determined that this child
> 	 * was a zombie that should have been auto-reaped already.
> 	 * Don't leak it.
> 	 */
> 	if (unlikely(dead))
> 		release_task(child);

OK, will add this to the cleanup patch too.

Oleg.

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