diff --git a/mm/kasan/kasan_test.c b/mm/kasan/kasan_test.c
index b61cc6a42541..0119075d2e58 100644
--- a/mm/kasan/kasan_test.c
+++ b/mm/kasan/kasan_test.c
@@ -450,7 +450,8 @@ static void kmalloc_oob_16(struct kunit *test)
 	/* This test is specifically crafted for the generic mode. */
 	KASAN_TEST_NEEDS_CONFIG_ON(test, CONFIG_KASAN_GENERIC);
 
-	ptr1 = kmalloc(sizeof(*ptr1) - 3, GFP_KERNEL);
+	/* RELOC_HIDE to prevent gcc from warning about short alloc */
+	ptr1 = RELOC_HIDE(kmalloc(sizeof(*ptr1) - 3, GFP_KERNEL), 0);
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr1);
 
 	ptr2 = kmalloc(sizeof(*ptr2), GFP_KERNEL);