On 07/24, Jann Horn wrote: > > --- a/kernel/fork.c > +++ b/kernel/fork.c > @@ -1902,6 +1902,10 @@ static __latent_entropy struct task_struct *copy_process( > delayacct_tsk_init(p); /* Must remain after dup_task_struct() */ > p->flags &= ~(PF_SUPERPRIV | PF_WQ_WORKER | PF_IDLE); > p->flags |= PF_FORKNOEXEC; > + if (!(clone_flags & CLONE_THREAD)) > + p->flags &= ~PF_PF_WAIT_PID; > + if (clone_flags & CLONE_WAIT_PID) > + p->flags |= PF_PF_WAIT_PID; agreed, but then the "if (!thread_group_leader(tsk))" block in de_thread() should also copy PF_PF_WAIT_PID. > An alternative would be to not use p->flags at all, but instead make > this a property of the signal_struct - since the property is shared by > all threads, that might make more sense? I tend to agree. Oleg.
