From 6cbbaa50aac809ad6e0692247876c82d58e466bf Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Thu, 2 Jul 2009 03:30:55 -0700 Subject: Fix possible race when freeing object in fast bin list. --- malloc/malloc.c | 1 + 1 file changed, 1 insertion(+) (limited to 'malloc') diff --git a/malloc/malloc.c b/malloc/malloc.c index 516d401991..70e4e58845 100644 --- a/malloc/malloc.c +++ b/malloc/malloc.c @@ -4822,6 +4822,7 @@ _int_free(mstate av, mchunkptr p) goto errout; } p->fd = fd = old; + atomic_full_barrier (); } while ((old = catomic_compare_and_exchange_val_acq (fb, p, fd)) != fd); #else -- cgit 1.4.1