Re: [PATCH review 11/16] procfs: Print task uids and gids in the userns that opened the proc file

[Serge Hallyn <serge.hallyn-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>]

Quoting Eric W. Biederman (ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org):
> From: "Eric W. Biederman" <ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
> 
> Instead of using current_userns() use the userns of the opener
> of the file so that if the file is passed between processes
> the contents of the file do not change.
> 
> Signed-off-by: "Eric W. Biederman" <ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>

Acked-by: Serge E. Hallyn <serge.hallyn-GeWIH/nMZzLQT0dZR+AlfA@public.gmane.org>

> ---
>  fs/proc/array.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/fs/proc/array.c b/fs/proc/array.c
> index c1c207c..5544342 100644
> --- a/fs/proc/array.c
> +++ b/fs/proc/array.c
> @@ -162,7 +162,7 @@ static inline const char *get_task_state(struct task_struct *tsk)
>  static inline void task_state(struct seq_file *m, struct pid_namespace *ns,
>  				struct pid *pid, struct task_struct *p)
>  {
> -	struct user_namespace *user_ns = current_user_ns();
> +	struct user_namespace *user_ns = seq_user_ns(m);
>  	struct group_info *group_info;
>  	int g;
>  	struct fdtable *fdt = NULL;
> -- 
> 1.7.5.4
> 
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