diff options
Diffstat (limited to 'kernel/signal.c')
| -rw-r--r-- | kernel/signal.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/kernel/signal.c b/kernel/signal.c index cbf70c808969..10b464b9d91f 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -2003,9 +2003,15 @@ void posixtimer_send_sigqueue(struct k_itimer *tmr) if (!prepare_signal(sig, t, false)) { result = TRACE_SIGNAL_IGNORED; - /* Paranoia check. Try to survive. */ - if (WARN_ON_ONCE(!list_empty(&q->list))) + if (!list_empty(&q->list)) { + /* + * If task group is exiting with the signal already pending, + * wait for __exit_signal() to do its job. Otherwise if + * ignored, it's not supposed to be queued. Try to survive. + */ + WARN_ON_ONCE(!(t->signal->flags & SIGNAL_GROUP_EXIT)); goto out; + } /* Periodic timers with SIG_IGN are queued on the ignored list */ if (tmr->it_sig_periodic) { |