--- xnu/xnu-12377.101.15/bsd/tests/stack_chk_tests_sysctl.c
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * Copyright (c) 2021 Apple 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@
- */
-
-#if (DEVELOPMENT || DEBUG) && !KASAN
-
-#include <sys/sysctl.h>
-#include <libkern/stack_protector.h>
-
-__attribute__((noinline))
-static int
-check_for_cookie(size_t len)
-{
-	long buf[4];
-	long *search = (long *)(void *)&buf[0];
-	size_t n;
-
-	assert(len < sizeof(buf));
-	assert(__stack_chk_guard != 0);
-	assert(((uintptr_t)search & (sizeof(long) - 1)) == 0);
-
-	/* force compiler to insert stack cookie check: */
-	memset_s(buf, len, 0, len);
-
-	/* 32 x sizeof(long) should be plenty to find the cookie: */
-	for (n = 0; n < 32; ++n) {
-		if (*(search++) == __stack_chk_guard) {
-			return 0;
-		}
-	}
-
-	return ESRCH;
-}
-
-static int
-sysctl_run_stack_chk_tests SYSCTL_HANDLER_ARGS
-{
-	#pragma unused(arg1, arg2, oidp)
-
-	unsigned int dummy = 0;
-	int error, changed = 0, kr;
-	error = sysctl_io_number(req, 0, sizeof(dummy), &dummy, &changed);
-	if (error || !changed) {
-		return error;
-	}
-
-	kr = check_for_cookie(3);
-	return kr;
-}
-
-SYSCTL_PROC(_kern, OID_AUTO, run_stack_chk_tests,
-    CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_LOCKED | CTLFLAG_MASKED,
-    0, 0, sysctl_run_stack_chk_tests, "I", "");
-
-#endif /* (DEVELOPMENT || DEBUG) && !KASAN */