Messages in this thread | | | Date | Thu, 1 May 2008 17:38:00 -0700 | From | Chris Wright <> | Subject | Re: [PATCH] capabilities: add bounding set to /proc/self/status |
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* Serge E. Hallyn (serue@us.ibm.com) wrote: > There is currently no way to query the bounding set of another > task. As there appears to be no security reason not to, and > as Michael Kerrisk points out the following valid reasons to do > so exist: > > * consistency (I can see all of the other per-thread/process sets in > /proc/.../status) > * debugging -- I could imagine that it would make the job of debugging > an application that uses capabilities a little simpler. > > this patch adds the bounding set to /proc/self/status right after > the effective set. > > If at all possible (and if acked by Andrew Morgan) it would be nice to > get this into the 2.6.26 cycle. But I realize it probably is too late > for that.
I've no issue with this.
> Signed-off-by: Serge E. Hallyn <serue@us.ibm.com> > Acked-by: Michael Kerrisk <mtk.manpages@gmail.com>
Acked-by: Chris Wright <chrisw@sous-sol.org>
> --- > fs/proc/array.c | 1 + > 1 files changed, 1 insertions(+), 0 deletions(-) > > diff --git a/fs/proc/array.c b/fs/proc/array.c > index c135cbd..160dd4a 100644 > --- a/fs/proc/array.c > +++ b/fs/proc/array.c > @@ -297,6 +297,7 @@ static inline void task_cap(struct seq_file *m, struct task_struct *p) > render_cap_t(m, "CapInh:\t", &p->cap_inheritable); > render_cap_t(m, "CapPrm:\t", &p->cap_permitted); > render_cap_t(m, "CapEff:\t", &p->cap_effective); > + render_cap_t(m, "CapBnd:\t", &p->cap_bset); > } > > static inline void task_context_switch_counts(struct seq_file *m,
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