CVE-2023-52560 mm/damon/vaddr-test: fix memory leak in damon_do_test_apply_three_regions()

In the Linux kernel, the following vulnerability has been resolved: mm/damon/vaddr-test: fix memory leak in damondotestapplythreeregions When CONFIGDAMONVADDRKUNITTEST=y and making CONFIGDEBUGKMEMLEAK=y and CONFIGDEBUGKMEMLEAKAUTOSCAN=y, the below memory leak is detected. Since commit 9f86d624292...