osfmk/kern/zalloc.c

478         void		*z_element;		/* the element that was zalloc'ed of zfree'ed */
1894 		if (!corruption_debug_flag && zrecords[zcurrent].z_element && zrecorded < log_records) {
1904 			        if (zrecords[i].z_element == NULL) {
1911 			        if (zrecords[i].z_element == NULL) {
1923 		  if (zrecords[zcurrent].z_element == NULL)
1926 		  zrecords[zcurrent].z_element = (void *)addr;
2151 			if (zrecords[zcurrent].z_element == NULL)
2154 			zrecords[zcurrent].z_element = (void *)addr;
2179 			        if (zrecords[i].z_element == addr) {
2180 				        zrecords[i].z_element = NULL;