1 files changed, 0 insertions, 179 deletions
diff --git a/tools/testing/selftests/mm/seal_elf.c b/tools/testing/selftests/mm/seal_elf.c
deleted file mode 100644
index f2babec79bb6..000000000000
--- a/tools/testing/selftests/mm/seal_elf.c
+++ /dev/null
@@ -1,179 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#define _GNU_SOURCE
-#include <sys/mman.h>
-#include <stdint.h>
-#include <unistd.h>
-#include <string.h>
-#include <sys/time.h>
-#include <sys/resource.h>
-#include <stdbool.h>
-#include "../kselftest.h"
-#include <syscall.h>
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <fcntl.h>
-#include <sys/ioctl.h>
-#include <sys/vfs.h>
-#include <sys/stat.h>
-
-/*
- * need those definition for manually build using gcc.
- * gcc -I ../../../../usr/include   -DDEBUG -O3  -DDEBUG -O3 seal_elf.c -o seal_elf
- */
-#define FAIL_TEST_IF_FALSE(c) do {\
-		if (!(c)) {\
-			ksft_test_result_fail("%s, line:%d\n", __func__, __LINE__);\
-			goto test_end;\
-		} \
-	} \
-	while (0)
-
-#define SKIP_TEST_IF_FALSE(c) do {\
-		if (!(c)) {\
-			ksft_test_result_skip("%s, line:%d\n", __func__, __LINE__);\
-			goto test_end;\
-		} \
-	} \
-	while (0)
-
-
-#define TEST_END_CHECK() {\
-		ksft_test_result_pass("%s\n", __func__);\
-		return;\
-test_end:\
-		return;\
-}
-
-#ifndef u64
-#define u64 unsigned long long
-#endif
-
-/*
- * define sys_xyx to call syscall directly.
- */
-static int sys_mseal(void *start, size_t len)
-{
-	int sret;
-
-	errno = 0;
-	sret = syscall(__NR_mseal, start, len, 0);
-	return sret;
-}
-
-static void *sys_mmap(void *addr, unsigned long len, unsigned long prot,
-	unsigned long flags, unsigned long fd, unsigned long offset)
-{
-	void *sret;
-
-	errno = 0;
-	sret = (void *) syscall(__NR_mmap, addr, len, prot,
-		flags, fd, offset);
-	return sret;
-}
-
-static inline int sys_mprotect(void *ptr, size_t size, unsigned long prot)
-{
-	int sret;
-
-	errno = 0;
-	sret = syscall(__NR_mprotect, ptr, size, prot);
-	return sret;
-}
-
-static bool seal_support(void)
-{
-	int ret;
-	void *ptr;
-	unsigned long page_size = getpagesize();
-
-	ptr = sys_mmap(NULL, page_size, PROT_READ, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
-	if (ptr == (void *) -1)
-		return false;
-
-	ret = sys_mseal(ptr, page_size);
-	if (ret < 0)
-		return false;
-
-	return true;
-}
-
-const char somestr[4096] = {"READONLY"};
-
-static void test_seal_elf(void)
-{
-	int ret;
-	FILE *maps;
-	char line[512];
-	uintptr_t  addr_start, addr_end;
-	char prot[5];
-	char filename[256];
-	unsigned long page_size = getpagesize();
-	unsigned long long ptr = (unsigned long long) somestr;
-	char *somestr2 = (char *)somestr;
-
-	/*
-	 * Modify the protection of readonly somestr
-	 */
-	if (((unsigned long long)ptr % page_size) != 0)
-		ptr = (unsigned long long)ptr & ~(page_size - 1);
-
-	ksft_print_msg("somestr = %s\n", somestr);
-	ksft_print_msg("change protection to rw\n");
-	ret = sys_mprotect((void *)ptr, page_size, PROT_READ|PROT_WRITE);
-	FAIL_TEST_IF_FALSE(!ret);
-	*somestr2 = 'A';
-	ksft_print_msg("somestr is modified to: %s\n", somestr);
-	ret = sys_mprotect((void *)ptr, page_size, PROT_READ);
-	FAIL_TEST_IF_FALSE(!ret);
-
-	maps = fopen("/proc/self/maps", "r");
-	FAIL_TEST_IF_FALSE(maps);
-
-	/*
-	 * apply sealing to elf binary
-	 */
-	while (fgets(line, sizeof(line), maps)) {
-		if (sscanf(line, "%lx-%lx %4s %*x %*x:%*x %*u %255[^\n]",
-			&addr_start, &addr_end, prot, filename) == 4) {
-			if (strlen(filename)) {
-				/*
-				 * seal the mapping if read only.
-				 */
-				if (strstr(prot, "r-")) {
-					ret = sys_mseal((void *)addr_start, addr_end - addr_start);
-					FAIL_TEST_IF_FALSE(!ret);
-					ksft_print_msg("sealed: %lx-%lx %s %s\n",
-						addr_start, addr_end, prot, filename);
-					if ((uintptr_t) somestr >= addr_start &&
-						(uintptr_t) somestr <= addr_end)
-						ksft_print_msg("mapping for somestr found\n");
-				}
-			}
-		}
-	}
-	fclose(maps);
-
-	ret = sys_mprotect((void *)ptr, page_size, PROT_READ | PROT_WRITE);
-	FAIL_TEST_IF_FALSE(ret < 0);
-	ksft_print_msg("somestr is sealed, mprotect is rejected\n");
-
-	TEST_END_CHECK();
-}
-
-int main(int argc, char **argv)
-{
-	bool test_seal = seal_support();
-
-	ksft_print_header();
-	ksft_print_msg("pid=%d\n", getpid());
-
-	if (!test_seal)
-		ksft_exit_skip("sealing not supported, check CONFIG_64BIT\n");
-
-	ksft_set_plan(1);
-
-	test_seal_elf();
-
-	ksft_finished();
-}