android13/external/ltp/testcases/kernel/syscalls/fsmount/fsmount02.c

81 lines
1.8 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2020 Viresh Kumar <viresh.kumar@linaro.org>
*
* Basic fsmount() failure tests.
*/
#include "tst_test.h"
#include "lapi/fsmount.h"
int fd = -1, invalid_fd = -1;
#define MNTPOINT "mntpoint"
static struct tcase {
char *name;
int *fd;
unsigned int flags;
unsigned int mount_attrs;
int exp_errno;
} tcases[] = {
{"invalid-fd", &invalid_fd, FSMOUNT_CLOEXEC, 0, EBADF},
{"invalid-flags", &fd, 0x02, 0, EINVAL},
{"invalid-attrs", &fd, FSMOUNT_CLOEXEC, 0x100, EINVAL},
};
static void cleanup(void)
{
if (fd != -1)
SAFE_CLOSE(fd);
}
static void setup(void)
{
fsopen_supported_by_kernel();
TEST(fd = fsopen(tst_device->fs_type, 0));
if (fd == -1)
tst_brk(TBROK | TTERRNO, "fsopen() failed");
TEST(fsconfig(fd, FSCONFIG_SET_STRING, "source", tst_device->dev, 0));
if (TST_RET == -1)
tst_brk(TBROK | TTERRNO, "fsconfig(FSCONFIG_SET_STRING) failed");
TEST(fsconfig(fd, FSCONFIG_CMD_CREATE, NULL, NULL, 0));
if (TST_RET == -1)
tst_brk(TBROK | TTERRNO, "fsconfig(FSCONFIG_CMD_CREATE) failed");
}
static void run(unsigned int n)
{
struct tcase *tc = &tcases[n];
TEST(fsmount(*tc->fd, tc->flags, tc->mount_attrs));
if (TST_RET != -1) {
SAFE_CLOSE(TST_RET);
tst_res(TFAIL, "%s: fsmount() succeeded unexpectedly (index: %d)",
tc->name, n);
return;
}
if (tc->exp_errno != TST_ERR) {
tst_res(TFAIL | TTERRNO, "%s: fsmount() should fail with %s",
tc->name, tst_strerrno(tc->exp_errno));
return;
}
tst_res(TPASS | TTERRNO, "%s: fsmount() failed as expected", tc->name);
}
static struct tst_test test = {
.tcnt = ARRAY_SIZE(tcases),
.test = run,
.setup = setup,
.cleanup = cleanup,
.needs_root = 1,
.mntpoint = MNTPOINT,
.format_device = 1,
.all_filesystems = 1,
.skip_filesystems = (const char *const []){"fuse", NULL},
};