Quoting Gowrishankar M (gowrishanka...@linux.vnet.ibm.com):
> From: Gowrishankar M <gomut...@linux.vnet.ibm.com>
>
> At present we scan all processes in init namespace, while getting or setting
> process priorities for a user. Incase of PID namespace, it leads to leak
> priority to processes in other namespace.
>
> Below patch proposes to use new macro controller to fix the boundary of
> processes list in current namespace.
>
> Signed-off-by: Gowrishankar M <gowrishanka...@linux.vnet.ibm.com>
Acked-by: Serge Hallyn <se...@us.ibm.com>
> ---
> kernel/sys.c | 4 ++--
> 1 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/kernel/sys.c b/kernel/sys.c
> index 31deba8..50973de 100644
> --- a/kernel/sys.c
> +++ b/kernel/sys.c
> @@ -181,7 +181,7 @@ asmlinkage long sys_setpriority(int which, int who, int
> niceval)
> if ((who != current->uid) && !(user =
> find_user(who)))
> goto out_unlock; /* No processes
> for this user */
>
> - do_each_thread(g, p)
> + do_each_thread_in_ns(g, p, current->nsproxy->pid_ns)
> if (p->uid == who)
> error = set_one_prio(p, niceval, error);
> while_each_thread(g, p);
> @@ -243,7 +243,7 @@ asmlinkage long sys_getpriority(int which, int who)
> if ((who != current->uid) && !(user =
> find_user(who)))
> goto out_unlock; /* No processes
> for this user */
>
> - do_each_thread(g, p)
> + do_each_thread_in_ns(g, p, current->nsproxy->pid_ns)
> if (p->uid == who) {
> niceval = 20 - task_nice(p);
> if (niceval > retval)
> --
> 1.5.5.1
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