99 lines
1.9 KiB
C
99 lines
1.9 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) International Business Machines Corp., 2002
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* 01/02/2003 Port to LTP avenkat@us.ibm.com
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* 11/11/2002: Ported to LTP Suite by Ananda
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* 06/30/2001 Port to Linux nsharoff@us.ibm.com
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*/
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/*\
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* [Description]
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*
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* Checks that process which called abort() gets killed by SIGIOT and dumps core.
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*
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* [Algorithm]
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* - Fork child.
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* - Child calls abort.
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* - Parent checks return status.
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*/
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <errno.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/resource.h>
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#include "tst_test.h"
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static void do_child(void)
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{
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abort();
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tst_res(TFAIL, "Abort returned");
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exit(0);
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}
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void verify_abort(void)
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{
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int status, kidpid;
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int sig, core;
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kidpid = SAFE_FORK();
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if (kidpid == 0)
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do_child();
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SAFE_WAIT(&status);
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if (!WIFSIGNALED(status)) {
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tst_res(TFAIL, "Child %s, expected SIGIOT",
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tst_strstatus(status));
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return;
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}
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core = WCOREDUMP(status);
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sig = WTERMSIG(status);
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if (core == 0)
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tst_res(TFAIL, "abort() failed to dump core");
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else
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tst_res(TPASS, "abort() dumped core");
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if (sig == SIGIOT)
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tst_res(TPASS, "abort() raised SIGIOT");
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else
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tst_res(TFAIL, "abort() raised %s", tst_strsig(sig));
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}
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#define MIN_RLIMIT_CORE (512 * 1024)
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static void setup(void)
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{
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struct rlimit rlim;
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/* make sure we get core dumps */
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SAFE_GETRLIMIT(RLIMIT_CORE, &rlim);
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if (rlim.rlim_max < MIN_RLIMIT_CORE) {
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if (geteuid() != 0) {
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tst_brk(TCONF, "hard limit(%lu)less than MIN_RLIMT_CORE(%i)",
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rlim.rlim_max, MIN_RLIMIT_CORE);
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}
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tst_res(TINFO, "Raising rlim_max to %i", MIN_RLIMIT_CORE);
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rlim.rlim_max = MIN_RLIMIT_CORE;
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}
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if (rlim.rlim_cur < MIN_RLIMIT_CORE) {
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rlim.rlim_cur = MIN_RLIMIT_CORE;
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SAFE_SETRLIMIT(RLIMIT_CORE, &rlim);
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}
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}
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static struct tst_test test = {
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.needs_tmpdir = 1,
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.forks_child = 1,
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.setup = setup,
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.test_all = verify_abort,
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};
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