android13/external/ltp/testcases/kernel/syscalls/move_mount/move_mount02.c

93 lines
2.3 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2020 Viresh Kumar <viresh.kumar@linaro.org>
*
* Basic move_mount() failure tests.
*/
#include "tst_test.h"
#include "lapi/fsmount.h"
#define MNTPOINT "mntpoint"
int invalid_fd = -1, fsmfd;
static struct tcase {
char *name;
int *from_dirfd;
const char *from_pathname;
int to_dirfd;
const char *to_pathname;
unsigned int flags;
int exp_errno;
} tcases[] = {
{"invalid-from-fd", &invalid_fd, "", AT_FDCWD, MNTPOINT, MOVE_MOUNT_F_EMPTY_PATH, EBADF},
{"invalid-from-path", &fsmfd, "invalid", AT_FDCWD, MNTPOINT, MOVE_MOUNT_F_EMPTY_PATH, ENOENT},
{"invalid-to-fd", &fsmfd, "", -1, MNTPOINT, MOVE_MOUNT_F_EMPTY_PATH, EBADF},
{"invalid-to-path", &fsmfd, "", AT_FDCWD, "invalid", MOVE_MOUNT_F_EMPTY_PATH, ENOENT},
{"invalid-flags", &fsmfd, "", AT_FDCWD, MNTPOINT, 0x08, EINVAL},
};
static void run(unsigned int n)
{
struct tcase *tc = &tcases[n];
int fd;
TEST(fd = fsopen(tst_device->fs_type, 0));
if (fd == -1) {
tst_res(TFAIL | TTERRNO, "fsopen() failed");
return;
}
TEST(fsconfig(fd, FSCONFIG_SET_STRING, "source", tst_device->dev, 0));
if (TST_RET == -1) {
SAFE_CLOSE(fd);
tst_res(TFAIL | TTERRNO, "fsconfig(FSCONFIG_SET_STRING) failed");
return;
}
TEST(fsconfig(fd, FSCONFIG_CMD_CREATE, NULL, NULL, 0));
if (TST_RET == -1) {
SAFE_CLOSE(fd);
tst_res(TFAIL | TTERRNO, "fsconfig(FSCONFIG_CMD_CREATE) failed");
return;
}
TEST(fsmfd = fsmount(fd, 0, 0));
SAFE_CLOSE(fd);
if (fsmfd == -1) {
tst_res(TFAIL | TTERRNO, "fsmount() failed");
return;
}
TEST(move_mount(*tc->from_dirfd, tc->from_pathname, tc->to_dirfd,
tc->to_pathname, tc->flags));
SAFE_CLOSE(fsmfd);
if (TST_RET != -1) {
SAFE_UMOUNT(MNTPOINT);
tst_res(TFAIL, "%s: move_mount() succeeded unexpectedly (index: %d)",
tc->name, n);
return;
}
if (tc->exp_errno != TST_ERR) {
tst_res(TFAIL | TTERRNO, "%s: move_mount() should fail with %s",
tc->name, tst_strerrno(tc->exp_errno));
return;
}
tst_res(TPASS | TTERRNO, "%s: move_mount() failed as expected", tc->name);
}
static struct tst_test test = {
.tcnt = ARRAY_SIZE(tcases),
.test = run,
.setup = fsopen_supported_by_kernel,
.needs_root = 1,
.format_device = 1,
.mntpoint = MNTPOINT,
.all_filesystems = 1,
.skip_filesystems = (const char *const []){"fuse", NULL},
};