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Fix use-after-free error in EV_CLOSURE_EVENT callback

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John Ohl 2014-09-16 22:25:52 -04:00 committed by Nick Mathewson
parent 35f107de92
commit 3cc0eace2e
1 changed files with 2 additions and 1 deletions
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3
event.c
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@ -1569,8 +1569,9 @@ event_process_active_single_queue(struct event_base *base,
event_persist_closure(base, ev);
break;
case EV_CLOSURE_EVENT: {
void (*evcb_callback)(evutil_socket_t, short, void *) = *ev->ev_callback;
void (*evcb_callback)(evutil_socket_t, short, void *);
EVUTIL_ASSERT(ev != NULL);
evcb_callback = *ev->ev_callback;
EVBASE_RELEASE_LOCK(base, th_base_lock);
evcb_callback(ev->ev_fd, ev->ev_res, ev->ev_arg);
}