1 files changed, 5 insertions, 4 deletions

diff --git a/fs/proc/array.c b/fs/proc/array.c
index 89600fd5963d..81818adb8e9e 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -412,10 +412,11 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
         mm = get_task_mm(task);
         if (mm) {
                 vsize = task_vsize(mm);
-                if (permitted) {
-                        eip = KSTK_EIP(task);
-                        esp = KSTK_ESP(task);
-                }
+                /*
+                 * esp and eip are intentionally zeroed out.  There is no
+                 * non-racy way to read them without freezing the task.
+                 * Programs that need reliable values can use ptrace(2).
+                 */
         }
 
         get_task_comm(tcomm, task);