53 lines
1.1 KiB
C
53 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/*
|
|
* Copyright (c) 2019 Federico Bonfiglio fedebonfi95@gmail.com
|
|
*/
|
|
|
|
/*
|
|
* Test ioctl_ns with NS_GET_PARENT request.
|
|
*
|
|
* Tries to get namespace parent for UTS namespace, which
|
|
* should make the call fail with EINVAL, being a nonhierarchical
|
|
* namespace.
|
|
*
|
|
*/
|
|
#define _GNU_SOURCE
|
|
|
|
#include <errno.h>
|
|
#include "tst_test.h"
|
|
#include "lapi/ioctl_ns.h"
|
|
|
|
static void setup(void)
|
|
{
|
|
int exists = access("/proc/self/ns/uts", F_OK);
|
|
|
|
if (exists < 0)
|
|
tst_res(TCONF, "namespace not available");
|
|
}
|
|
|
|
static void run(void)
|
|
{
|
|
int fd, parent_fd;
|
|
|
|
fd = SAFE_OPEN("/proc/self/ns/uts", O_RDONLY);
|
|
parent_fd = ioctl(fd, NS_GET_PARENT);
|
|
if (parent_fd == -1) {
|
|
if (errno == ENOTTY)
|
|
tst_brk(TCONF, "ioctl(NS_GET_PARENT) not implemented");
|
|
|
|
if (errno == EINVAL)
|
|
tst_res(TPASS, "NS_GET_PARENT fails with EINVAL");
|
|
else
|
|
tst_res(TFAIL | TERRNO, "unexpected ioctl error");
|
|
} else {
|
|
SAFE_CLOSE(fd);
|
|
tst_res(TFAIL, "call to ioctl succeded");
|
|
}
|
|
}
|
|
|
|
static struct tst_test test = {
|
|
.test_all = run,
|
|
.min_kver = "4.9",
|
|
.setup = setup
|
|
};
|