2 * Check decoding of fchownat syscall.
4 * Copyright (c) 2016-2018 Dmitry V. Levin <ldv@altlinux.org>
7 * SPDX-License-Identifier: GPL-2.0-or-later
11 #include <asm/unistd.h>
14 #if defined __NR_fchownat && defined AT_FDCWD && defined AT_SYMLINK_NOFOLLOW
22 static const char sample[] = "fchownat_sample";
23 uid_t uid = geteuid();
24 uid_t gid = getegid();
26 if (open(sample, O_RDONLY | O_CREAT, 0400) == -1)
27 perror_msg_and_fail("open");
29 long rc = syscall(__NR_fchownat, AT_FDCWD, sample, uid, gid, 0);
30 printf("fchownat(AT_FDCWD, \"%s\", %d, %d, 0) = %s\n",
31 sample, uid, gid, sprintrc(rc));
34 perror_msg_and_fail("unlink");
36 rc = syscall(__NR_fchownat, AT_FDCWD,
37 sample, -1, -1L, AT_SYMLINK_NOFOLLOW);
38 printf("fchownat(AT_FDCWD, \"%s\", -1, -1, AT_SYMLINK_NOFOLLOW) = %s\n",
39 sample, sprintrc(rc));
41 puts("+++ exited with 0 +++");
47 SKIP_MAIN_UNDEFINED("__NR_fchownat && AT_FDCWD && AT_SYMLINK_NOFOLLOW")