Quoting Eric W. Biederman (ebiederm@xxxxxxxxxxxx):
> From: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
>
> 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@xxxxxxxxxxxx>
Acked-by: Serge E. Hallyn <serge.hallyn@xxxxxxxxxx>
> ---
> 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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