59 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			59 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
| // SPDX-License-Identifier: GPL-2.0-or-later
 | |
| /*
 | |
|  * Copyright (c) 2020 Viresh Kumar <viresh.kumar@linaro.org>
 | |
|  *
 | |
|  * Description:
 | |
|  * Basic pidfd_open() test to test invalid arguments.
 | |
|  */
 | |
| #include "tst_test.h"
 | |
| #include "lapi/pidfd_open.h"
 | |
| 
 | |
| pid_t expired_pid, my_pid, invalid_pid = -1;
 | |
| 
 | |
| static struct tcase {
 | |
| 	char *name;
 | |
| 	pid_t *pid;
 | |
| 	int flags;
 | |
| 	int exp_errno;
 | |
| } tcases[] = {
 | |
| 	{"expired pid", &expired_pid, 0, ESRCH},
 | |
| 	{"invalid pid", &invalid_pid, 0, EINVAL},
 | |
| 	{"invalid flags", &my_pid, 1, EINVAL},
 | |
| };
 | |
| 
 | |
| static void setup(void)
 | |
| {
 | |
| 	expired_pid = tst_get_unused_pid();
 | |
| 	my_pid = getpid();
 | |
| }
 | |
| 
 | |
| static void run(unsigned int n)
 | |
| {
 | |
| 	struct tcase *tc = &tcases[n];
 | |
| 
 | |
| 	TEST(pidfd_open(*tc->pid, tc->flags));
 | |
| 
 | |
| 	if (TST_RET != -1) {
 | |
| 		SAFE_CLOSE(TST_RET);
 | |
| 		tst_res(TFAIL, "%s: pidfd_open succeeded unexpectedly (index: %d)",
 | |
| 			tc->name, n);
 | |
| 		return;
 | |
| 	}
 | |
| 
 | |
| 	if (tc->exp_errno != TST_ERR) {
 | |
| 		tst_res(TFAIL | TTERRNO, "%s: pidfd_open() should fail with %s",
 | |
| 			tc->name, tst_strerrno(tc->exp_errno));
 | |
| 		return;
 | |
| 	}
 | |
| 
 | |
| 	tst_res(TPASS | TTERRNO, "%s: pidfd_open() failed as expected",
 | |
| 		tc->name);
 | |
| }
 | |
| 
 | |
| static struct tst_test test = {
 | |
| 	.min_kver = "5.3",
 | |
| 	.tcnt = ARRAY_SIZE(tcases),
 | |
| 	.test = run,
 | |
| 	.setup = setup,
 | |
| };
 |