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-rw-r--r--fs/proc/array.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/proc/array.c b/fs/proc/array.c
index 4dae164bc85a..fd826e15234c 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -161,7 +161,8 @@ static inline char * task_state(struct task_struct *p, char *buffer)
"Uid:\t%d\t%d\t%d\t%d\n"
"Gid:\t%d\t%d\t%d\t%d\n",
get_task_state(p), p->tgid,
- p->pid, p->pid ? p->real_parent->pid : 0, 0,
+ p->pid, p->pid ? p->real_parent->pid : 0,
+ p->pid && p->ptrace ? p->parent->pid : 0,
p->uid, p->euid, p->suid, p->fsuid,
p->gid, p->egid, p->sgid, p->fsgid);
read_unlock(&tasklist_lock);