diff options
Diffstat (limited to 'kernel/sys.c')
| -rw-r--r-- | kernel/sys.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/kernel/sys.c b/kernel/sys.c index c326d6dceee..7de9c984f69 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -1054,12 +1054,11 @@ asmlinkage long sys_setsid(void) if (group_leader->signal->leader) goto out; - /* Fail if a process group id already exists that equals the proposed - * session id. + /* Fail if a process group id already exists that equals the + * proposed session id. * - * Don't check if session == 1 because kernel threads and CLONE_NEWPID - * tasks use this session id and so the check will always fail and make - * it so init cannot successfully call setsid. + * Don't check if session == 1, clone(CLONE_NEWPID) creates + * this group/session beforehand. */ if (session != 1 && pid_task(sid, PIDTYPE_PGID)) goto out; |