On 08/15, Jamie Iles wrote: > > --- a/kernel/signal.c > +++ b/kernel/signal.c > @@ -1194,7 +1194,11 @@ force_sig_info(int sig, struct siginfo *info, struct > task_struct *t) > recalc_sigpending_and_wake(t); > } > } > - if (action->sa.sa_handler == SIG_DFL) > + /* > + * Don't clear SIGNAL_UNKILLABLE for traced tasks, users won't expect > + * debugging to leave init killable. > + */ > + if (action->sa.sa_handler == SIG_DFL && !t->ptrace) > t->signal->flags &= ~SIGNAL_UNKILLABLE; > ret = specific_send_sig_info(sig, info, t); > spin_unlock_irqrestore(&t->sighand->siglock, flags);
Acked-by: Oleg Nesterov <[email protected]>
