Re: [PATCH] fix race copy_process() vs de_thread()

[Oleg Nesterov]

On 08/24, Roland McGrath wrote:
>
> I think I like your first patch better.  It's a larger patch, but that's
> because it winds up with smaller code.

Yes, agreed.

And another reason for the first patch: ->live should not be used as a refcnt,
it is not. This should work for copy_process() but looks confusing and relies
on CLONE_THREAD subtleness anyway.

I'll re-check this patch and resend. I guess -stable needs this fix too.

Oleg.

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