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-rw-r--r--malloc/malloc.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/malloc/malloc.c b/malloc/malloc.c
index 70e4e58..0c0182e 100644
--- a/malloc/malloc.c
+++ b/malloc/malloc.c
@@ -4822,9 +4822,8 @@ _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);
+ while ((old = catomic_compare_and_exchange_val_rel (fb, p, fd)) != fd);
#else
/* Another simple check: make sure the top of the bin is not the
record we are going to add (i.e., double free). */