Messages in this thread | | | Date | Fri, 16 Sep 2005 14:05:35 -0400 | From | Daniel Jacobowitz <> | Subject | Re: [PATCH 2.6.13.1] Patch for invisible threads |
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On Fri, Sep 16, 2005 at 08:46:06AM +0100, Al Viro wrote: > > Further, about actual permission checks that we are doing, can we say: "A > > process should be able to see /proc/<pid>/task/* of another process only if > > they both belong to same uid or reader is root"? But any such change will > > change the behavior of commands like 'ps', right? > > Right. The real question is whether the current behaviour makes any sense. > I've no objections to your patch + modification above, but I really wonder > if we should keep current rules in that area.
Why should there be any more restrictions on /proc/<pid>/task than there are in /proc? Threads are not listed in the latter, but that's strictly for performance/usability; you can enumerate threads in /proc by just trying all the valid PIDs.
-- Daniel Jacobowitz CodeSourcery, LLC - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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