1 /* 2 * Check decoding of setns syscall. 3 * 4 * Copyright (c) 2016 Eugene Syromyatnikov <evgsyr (at) gmail.com> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #include "tests.h" 31 32 #include <asm/unistd.h> 33 34 #ifdef __NR_setns 35 36 # include <stdio.h> 37 # include <unistd.h> 38 39 int 40 main(void) 41 { 42 static const kernel_ulong_t bogus_fd = 43 (kernel_ulong_t) 0xfeedfacedeadc0deULL; 44 45 static struct { 46 kernel_ulong_t val; 47 const char *str; 48 } nstypes[] = { 49 { (kernel_ulong_t) 0xdefaced100000000ULL, "0" }, 50 { (kernel_ulong_t) 0xbadc0dedfeedfaceULL, 51 "0xfeedface /* CLONE_NEW??? */" }, 52 { (kernel_ulong_t) 0xca75f15702000000ULL, "CLONE_NEWCGROUP" }, 53 }; 54 55 long rc; 56 unsigned int i; 57 58 for (i = 0; i < ARRAY_SIZE(nstypes); i++) { 59 rc = syscall(__NR_setns, bogus_fd, nstypes[i].val); 60 printf("setns(%d, %s) = %s\n", 61 (int) bogus_fd, nstypes[i].str, sprintrc(rc)); 62 } 63 64 puts("+++ exited with 0 +++"); 65 66 return 0; 67 } 68 69 #else 70 71 SKIP_MAIN_UNDEFINED("__NR_setns"); 72 73 #endif 74
