diff options
| -rw-r--r-- | source4/lib/events/events_signal.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/source4/lib/events/events_signal.c b/source4/lib/events/events_signal.c index 2c18a677b1..9a8ebea6ae 100644 --- a/source4/lib/events/events_signal.c +++ b/source4/lib/events/events_signal.c @@ -171,6 +171,11 @@ struct signal_event *common_event_add_signal(struct event_context *ev, se->private_data = private_data; se->signum = signum; se->sa_flags = sa_flags; + + /* Ensure, no matter the destruction order, that we always have a handle on the global sig_state */ + if (!talloc_reference(se, sig_state)) { + return NULL; + } /* only install a signal handler if not already installed */ if (sig_state->sig_handlers[signum] == NULL) { |