RE: clone() and CLONE_PID
Robert Dinse (Fabian.Frederick@prov-liege.be)
Mon, 13 Sep 1999 15:57:31 +0200
> > You have this the wrong way round. The CLONE_PID option is one
> > approach to implementing signals according to the POSIX threads
> > spec. But it is not the only approach, and since it would require a
> > separate notion of thread id to be added to the kernel, it might not
> > be the simplest approach (as far as the kernel is concerned).
>
> CLONE_PID causes enough potential security hazards it is
> going away in
> 2.2.13 and some point in 2.3.x. It was never intended to be
> user accessible
> its a hack for the boot up code
What kind of security hole could give PID ack ?
Does it mean the whole thread library falls under 2.2.13 ?
Fabian
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