Re: [PATCH] exec: Only allow a threaded init to exec from thethread_group_leader

[Andrew Morton]

ebiederm@xxxxxxxxxxxx (Eric W. Biederman) wrote:
>
>  If process id namespaces become a reality init stops being
>  terribly special, and becomes something you may have several
>  of running at any one time.  If one of those inits is compromised
>  by a hostile user I having the whole system go down so we can
>  avoid executing a cheap test sounds terribly wrong.  That is
>  why I really care.

Wouldn't it be better to do nothing until/unless there's some code in the
kernel or init which actually needs the change?

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