KASAN_SHADOW_INIT 111 arch/arm64/mm/kasan_init.c memset(__va(page_phys), KASAN_SHADOW_INIT, PAGE_SIZE); KASAN_SHADOW_INIT 259 arch/arm64/mm/kasan_init.c memset(kasan_early_shadow_page, KASAN_SHADOW_INIT, PAGE_SIZE); KASAN_SHADOW_INIT 614 mm/kasan/common.c __memset(ret, KASAN_SHADOW_INIT, shadow_size);