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-rw-r--r--fs/exec.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/exec.c b/fs/exec.c
index 0291a68a3626..4d38ad0b70d6 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -723,7 +723,12 @@ static int de_thread(struct task_struct *tsk)
current->parent = current->real_parent = leader->real_parent;
leader->parent = leader->real_parent = child_reaper;
current->group_leader = current;
- leader->group_leader = leader;
+ leader->group_leader = current;
+
+ /* Reduce leader to a thread */
+ detach_pid(leader, PIDTYPE_PGID);
+ detach_pid(leader, PIDTYPE_SID);
+ list_del_init(&leader->tasks);
add_parent(current);
add_parent(leader);