Re: [PATCH] sched: Don't allow setuid to succeed if the user doesnot have rt bandwidth

[Ingo Molnar]

* Dhaval Giani <dhaval@xxxxxxxxxxxxxxxxxx> wrote:

> 
> Corey Hickey reported that on using setuid to change the uid of a
> rt process, the process would be unkillable and not be running.
> This is because there was no rt runtime for that user group. Add
> in a check to see if a user can attach an rt task to its task group.
> On failure, return EINVAL, which is also returned in
> CONFIG_CGROUP_SCHED.
> 
> Signed-off-by: Dhaval Giani <dhaval@xxxxxxxxxxxxxxxxxx>
> Acked-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
> ---
>  include/linux/sched.h |    4 ++++
>  kernel/sched.c        |   13 +++++++++++--
>  kernel/sys.c          |   31 ++++++++++++++++++++-----------
>  kernel/user.c         |   18 ++++++++++++++++++
>  4 files changed, 53 insertions(+), 13 deletions(-)

Applied to tip:sched/urgent, thanks Dhaval!

	Ingo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/