// Poison value for freed memory
-#define POISON 66
+#define POISON 1
// Memory with correct data
-#define WINE 33
+#define WINE 0
#define SLAB_SIZE 2
-#define read_poison (data_read[0] == POISON)
+#define read_poison (data_read_first[0] == POISON || data_read_second[0] == POISON)
#define RCU_GP_CTR_BIT (1 << 7)
#define RCU_GP_CTR_NEST_MASK (RCU_GP_CTR_BIT - 1)