Author :
Nick Mathewson
Date :
2014-03-18 11:25:58
Hash :ec99dd82 Message :Fix a use-after-free error on EV_CLOSURE_EVENT_FINALIZE callbacks
After running the callback, we were checking evcb->evcb_closure to
decide whether to call mm_free(ev). But the callback itself might
have freed ev, so we need to grab that field first
Found with AddressSanitizer