/* * Check decoding of setrlimit syscall. * * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org> * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "tests.h" #include <asm/unistd.h> #ifdef __NR_setrlimit # include "xgetrlimit.c" int main(void) { kernel_ulong_t *const rlimit = tail_alloc(sizeof(*rlimit) * 2); const struct xlat *xlat; for (xlat = resources; xlat->str; ++xlat) { unsigned long res = 0xfacefeed00000000ULL | xlat->val; long rc = syscall(__NR_setrlimit, res, 0); printf("setrlimit(%s, NULL) = %s\n", xlat->str, sprintrc(rc)); struct rlimit libc_rlim = {}; if (getrlimit((int) res, &libc_rlim)) continue; rlimit[0] = libc_rlim.rlim_cur; rlimit[1] = libc_rlim.rlim_max; rc = syscall(__NR_setrlimit, res, rlimit); const char *errstr = sprintrc(rc); printf("setrlimit(%s, {rlim_cur=%s, rlim_max=%s}) = %s\n", xlat->str, sprint_rlim(rlimit[0]), sprint_rlim(rlimit[1]), errstr); } puts("+++ exited with 0 +++"); return 0; } #else SKIP_MAIN_UNDEFINED("__NR_setrlimit") #endif