73 lines
1.4 KiB
C
73 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2017 FUJITSU LIMITED. All rights reserved.
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* Author: Xiao Yang <yangx.jy@cn.fujitsu.com>
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*/
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/*
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* Test for EFAULT when rlim points outside the accessible address space.
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*/
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#define _GNU_SOURCE
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#include <errno.h>
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#include <sys/resource.h>
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#include <sys/time.h>
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#include <sys/wait.h>
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#include <stdlib.h>
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#include "tst_test.h"
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static void *bad_addr;
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static void verify_setrlimit(void)
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{
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int status;
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pid_t pid;
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pid = SAFE_FORK();
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if (!pid) {
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TEST(setrlimit(RLIMIT_NOFILE, bad_addr));
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if (TST_RET != -1) {
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tst_res(TFAIL, "setrlimit() succeeded unexpectedly");
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exit(0);
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}
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/* Usually, setrlimit() should return EFAULT */
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if (TST_ERR == EFAULT) {
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tst_res(TPASS | TTERRNO,
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"setrlimit() failed as expected");
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} else {
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tst_res(TFAIL | TTERRNO,
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"setrlimit() should fail with EFAULT, got");
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}
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exit(0);
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}
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SAFE_WAITPID(pid, &status, 0);
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/* If glibc has to convert between 32bit and 64bit struct rlimit
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* in some cases, it is possible to get SegFault.
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*/
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if (WIFSIGNALED(status) && WTERMSIG(status) == SIGSEGV) {
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tst_res(TPASS, "setrlimit() caused SIGSEGV");
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return;
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}
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if (WIFEXITED(status) && WEXITSTATUS(status) == 0)
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return;
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tst_res(TFAIL, "child %s", tst_strstatus(status));
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}
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static void setup(void)
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{
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bad_addr = tst_get_bad_addr(NULL);
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}
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static struct tst_test test = {
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.test_all = verify_setrlimit,
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.forks_child = 1,
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.setup = setup,
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};
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