Re: [Trivial Patch] Bad tgid and tid lookup for /proc

[Kingsley Cheung]

On Fri, Mar 12, 2004 at 09:09:09AM +1100, Rusty Russell wrote:
> In message <20040209135110.H17768@xxxxxxxxxx> you write:
> > All,
> > 
> > On 2.6.2, one can do the following, which is clearly wrong:
> > 
> > gen2 02:49:45 ~: cat /proc/1/task/$$/stat
> > 1669 (bash) S 1668 1669 1669 34816 1730 256 1480 6479 12 4 8 5 5 17 15 0 1 0 
> 8065 3252224 451 4294967295 134512640 134955932 3221225104 3221222840 429496014
> 4 0 65536 3686404 1266761467 3222442959 0 0 17 0 0 0
> > gen2 02:50:44 ~: ls /proc/1/task
> > 1
> 
> Patch was mangled, and IMHO wasn't exactly trivial.  As I understand
> it, you could access any task under /proc/xxx/task.  Your patch seems to
> make it that you can access any task under /proc/xxx/task if xxx is a
> thread group leader.
> 
> A little confused,
> Rusty.

Rusty,

Andrew Morton, Peter Chubb, and a few others actually had a discussion
and resolved some issues around that patch.  So thanks to them I guess
there's no need to be confused ;)

Thanks for looking at it anyway.

-- 
		Kingsley
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