1 /* 2 * Check decoding of setrlimit syscall. 3 * 4 * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org> 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 #include <asm/unistd.h> 32 33 #ifdef __NR_setrlimit 34 35 # include "xgetrlimit.c" 36 37 int main(void)38 main(void) 39 { 40 kernel_ulong_t *const rlimit = tail_alloc(sizeof(*rlimit) * 2); 41 const struct xlat *xlat; 42 43 for (xlat = resources; xlat->str; ++xlat) { 44 unsigned long res = 0xfacefeed00000000ULL | xlat->val; 45 long rc = syscall(__NR_setrlimit, res, 0); 46 printf("setrlimit(%s, NULL) = %s\n", xlat->str, sprintrc(rc)); 47 48 struct rlimit libc_rlim = {}; 49 if (getrlimit((int) res, &libc_rlim)) 50 continue; 51 rlimit[0] = libc_rlim.rlim_cur; 52 rlimit[1] = libc_rlim.rlim_max; 53 54 rc = syscall(__NR_setrlimit, res, rlimit); 55 const char *errstr = sprintrc(rc); 56 printf("setrlimit(%s, {rlim_cur=%s, rlim_max=%s}) = %s\n", 57 xlat->str, 58 sprint_rlim(rlimit[0]), sprint_rlim(rlimit[1]), 59 errstr); 60 } 61 62 puts("+++ exited with 0 +++"); 63 return 0; 64 } 65 66 #else 67 68 SKIP_MAIN_UNDEFINED("__NR_setrlimit") 69 70 #endif 71