2 * Check decoding of setfsuid/setfsgid/setfsuid32/setfsgid32 syscalls.
4 * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
5 * Copyright (c) 2016-2017 The strace developers.
8 * SPDX-License-Identifier: GPL-2.0-or-later
15 printuid(unsigned UGID_TYPE id)
17 if (id == (unsigned UGID_TYPE) -1U)
26 unsigned int ugid = GETUGID;
28 const kernel_ulong_t tests[] = {
31 F8ILL_KULONG_MASK | ugid,
37 (long) 0xfacefeeddeadbeefULL
42 for (i = 0; i < ARRAY_SIZE(tests); ++i) {
43 const unsigned int num = (unsigned UGID_TYPE) tests[i];
46 rc = syscall(SYSCALL_NR, tests[i]);
47 printf("%s(", SYSCALL_NAME);
49 printf(") = %u\n", rc);
51 rc = syscall(SYSCALL_NR, ugid);
52 printf("%s(%u) = %u\n", SYSCALL_NAME, ugid, rc);
55 puts("+++ exited with 0 +++");