procfs: Print task uids and gids in the userns that opened the proc file
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.
Acked-by: Serge E. Hallyn <serge.hallyn@ubuntu.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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 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;