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-rw-r--r--kernel/sys.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/kernel/sys.c b/kernel/sys.c
index 7bf50dcc6d53..071de900c824 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1309,6 +1309,17 @@ out:
return retval;
}
+static void set_special_pids(struct pid *pid)
+{
+ struct task_struct *curr = current->group_leader;
+
+ if (task_session(curr) != pid)
+ change_pid(curr, PIDTYPE_SID, pid);
+
+ if (task_pgrp(curr) != pid)
+ change_pid(curr, PIDTYPE_PGID, pid);
+}
+
SYSCALL_DEFINE0(setsid)
{
struct task_struct *group_leader = current->group_leader;
@@ -1328,7 +1339,7 @@ SYSCALL_DEFINE0(setsid)
goto out;
group_leader->signal->leader = 1;
- __set_special_pids(sid);
+ set_special_pids(sid);
proc_clear_tty(group_leader);