--- xnu/xnu-12377.121.6/tests/vfs/devfs_nested_subdirs.c
+++ /dev/null
@@ -1,162 +0,0 @@
-/*
- * Copyright (c) 2025 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. The rights granted to you under the License
- * may not be used to create, or enable the creation or redistribution of,
- * unlawful or unlicensed copies of an Apple operating system, or to
- * circumvent, violate, or enable the circumvention or violation of, any
- * terms of an Apple operating system software license agreement.
- *
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
- */
-
-/* compile: xcrun -sdk macosx.internal clang -ldarwintest -o devfs_nested_dir devfs_nested_dirs.c -g -Weverything */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <errno.h>
-#include <sys/mount.h>
-#include <sys/param.h>
-#include <sys/stat.h>
-#include <darwintest.h>
-#include <darwintest/utils.h>
-
-T_GLOBAL_META(
-	T_META_NAMESPACE("xnu.vfs"),
-	T_META_RADAR_COMPONENT_NAME("xnu"),
-	T_META_RADAR_COMPONENT_VERSION("vfs"),
-	T_META_ASROOT(true),
-	T_META_ENABLED(TARGET_OS_OSX),
-	T_META_CHECK_LEAKS(false));
-
-
-#define MAX_NESTED_SUBDIRS      16
-
-static char template[MAXPATHLEN];
-static char *mount_path;
-
-static void
-cleanup(void)
-{
-	if (mount_path) {
-		unmount(mount_path, MNT_FORCE);
-		rmdir(mount_path);
-	}
-}
-
-/* Create n-level nested subdirs and Return the last parent dir's fd. */
-static int
-create_nested_subdirs(char *dir, int levels)
-{
-	int parentdirfd = -1;
-
-	T_QUIET; T_ASSERT_POSIX_SUCCESS((parentdirfd = open(mount_path, O_SEARCH, 0777)),
-	    "Opening mount root diretory");
-
-	for (int i = 0; i <= levels; i++) {
-		int dirfd;
-
-		T_QUIET; T_ASSERT_POSIX_SUCCESS(mkdirat(parentdirfd, dir, 0777),
-		    "Verifying that creating subdir at level %d should pass", i);
-		T_QUIET; T_ASSERT_POSIX_SUCCESS((dirfd = openat(parentdirfd, dir, O_SEARCH)),
-		    "Verifying that opening subdir at level %d should pass", i);
-
-		close(parentdirfd);
-		parentdirfd = dirfd;
-	}
-
-	return parentdirfd;
-}
-
-T_DECL(nested_subdirs_limit,
-    "Test creating and renaming nested subdirs in devfs mount",
-    T_META_ENABLED(true))
-{
-	char todirpath[PATH_MAX];
-	int lastdirfd, rootdirfd, todirfd;
-
-#if (!TARGET_OS_OSX)
-	T_SKIP("Not macOS");
-#endif
-
-	T_ATEND(cleanup);
-
-	T_SETUPBEGIN;
-
-	snprintf(template, sizeof(template), "%s/devfs", dt_tmpdir());
-	T_ASSERT_POSIX_NOTNULL((mount_path = mkdtemp(template)),
-	    "Creating mount path %s", template);
-
-	T_ASSERT_POSIX_SUCCESS(mount("devfs", mount_path, MNT_IGNORE_OWNERSHIP, NULL),
-	    "Mounting devfs mount using path %s", mount_path);
-
-	T_ASSERT_POSIX_SUCCESS(chmod(mount_path, 0777),
-	    "Changing permission on root diretory");
-
-	T_SETUPEND;
-
-	lastdirfd = create_nested_subdirs("aaa", MAX_NESTED_SUBDIRS);
-	T_ASSERT_NE_INT(lastdirfd, -1, "create_nested_subdirs(aaa, 16)");
-
-	T_ASSERT_POSIX_FAILURE(mkdirat(lastdirfd, "aaa", 0777), EMLINK,
-	    "Verifying that creating subdir at max level (>16) should fail");
-	close(lastdirfd);
-
-	/* Create a nested subdirs of 8 levels deep.*/
-	lastdirfd = create_nested_subdirs("bbb", 8);
-	T_ASSERT_NE_INT(lastdirfd, -1, "create_nested_subdirs(bbb, 8)");
-	close(lastdirfd);
-
-	/* Create a nested subdirs of 10 levels deep.*/
-	lastdirfd = create_nested_subdirs("ccc", 10);
-	T_ASSERT_NE_INT(lastdirfd, -1, "create_nested_subdirs(ccc, 10)");
-	close(lastdirfd);
-
-	T_QUIET; T_ASSERT_POSIX_SUCCESS((rootdirfd = open(mount_path, O_SEARCH, 0777)),
-	    "Opening mount root diretory");
-
-	snprintf(todirpath, sizeof(todirpath),
-	    "%s/bbb/bbb/bbb/bbb/bbb/bbb/bbb/bbb/bbb", mount_path);
-	T_QUIET; T_ASSERT_POSIX_SUCCESS((todirfd = open(todirpath, O_SEARCH, 0777)),
-	    "Opening target diretory");
-
-	/*
-	 * Verify that rename should fail if the deepest subdir (after rename)
-	 * would exceed the max nested subdirs limit.
-	 */
-	T_ASSERT_POSIX_FAILURE(renameat(rootdirfd, "ccc", todirfd, "ccc"), EMLINK,
-	    "Verifying that rename a dir with deep nested subdirs that exceed limit should fail");
-
-	/* Create a nested subdirs of 4 levels deep.*/
-	lastdirfd = create_nested_subdirs("ddd", 4);
-	T_ASSERT_NE_INT(lastdirfd, -1, "create_nested_subdirs(ddd, 4)");
-	close(lastdirfd);
-
-	/*
-	 * Verify that rename should succeed if the deepest subdir (after rename)
-	 * doesn't exceed the max nested subdirs limit.
-	 */
-	T_ASSERT_POSIX_SUCCESS(renameat(rootdirfd, "ddd", todirfd, "ddd"),
-	    "Verifying that rename a dir with nested subdirs that doesn't exceed limit should succeed");
-
-	close(todirfd);
-	close(rootdirfd);
-}