126 lines
3.2 KiB
C
126 lines
3.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/*
|
|
* Copyright (c) 2020 Linaro Ltd.
|
|
*
|
|
* Failure tests.
|
|
*/
|
|
|
|
#include <unistd.h>
|
|
#include <errno.h>
|
|
#include <stdlib.h>
|
|
#include <sys/time.h>
|
|
#include <sys/types.h>
|
|
#include <sys/wait.h>
|
|
#include <fcntl.h>
|
|
#include "select_var.h"
|
|
|
|
static fd_set readfds_reg, writefds_reg, fds_closed;
|
|
static fd_set *preadfds_reg = &readfds_reg, *pwritefds_reg = &writefds_reg;
|
|
static fd_set *pfds_closed = &fds_closed, *nullfds = NULL, *faulty_fds;
|
|
static int fd_closed, fd[2];
|
|
static int negative_nfds = -1, maxfds;
|
|
static struct timeval timeout = {.tv_sec = 0, .tv_usec = 100000};
|
|
|
|
static struct timeval *valid_to = &timeout, *invalid_to;
|
|
|
|
static struct tcases {
|
|
char *name;
|
|
int *nfds;
|
|
fd_set **readfds;
|
|
fd_set **writefds;
|
|
fd_set **exceptfds;
|
|
struct timeval **timeout;
|
|
int exp_errno;
|
|
} tests[] = {
|
|
{ "Negative nfds", &negative_nfds, &preadfds_reg, &pwritefds_reg, &nullfds, &valid_to, EINVAL },
|
|
{ "Invalid readfds", &maxfds, &pfds_closed, &pwritefds_reg, &nullfds, &valid_to, EBADF },
|
|
{ "Invalid writefds", &maxfds, &preadfds_reg, &pfds_closed, &nullfds, &valid_to, EBADF },
|
|
{ "Invalid exceptfds", &maxfds, &preadfds_reg, &pwritefds_reg, &pfds_closed, &valid_to, EBADF },
|
|
{ "Faulty readfds", &maxfds, &faulty_fds, &pwritefds_reg, &nullfds, &valid_to, EFAULT },
|
|
{ "Faulty writefds", &maxfds, &preadfds_reg, &faulty_fds, &nullfds, &valid_to, EFAULT },
|
|
{ "Faulty exceptfds", &maxfds, &preadfds_reg, &pwritefds_reg, &faulty_fds, &valid_to, EFAULT },
|
|
{ "Faulty timeout", &maxfds, &preadfds_reg, &pwritefds_reg, &nullfds, &invalid_to, EFAULT },
|
|
};
|
|
|
|
static void verify_select(unsigned int n)
|
|
{
|
|
struct tcases *tc = &tests[n];
|
|
|
|
TEST(do_select_faulty_to(*tc->nfds, *tc->readfds, *tc->writefds,
|
|
*tc->exceptfds, *tc->timeout,
|
|
tc->timeout == &invalid_to));
|
|
|
|
if (TST_RET != -1) {
|
|
tst_res(TFAIL, "%s: select() passed unexpectedly with %ld",
|
|
tc->name, TST_RET);
|
|
return;
|
|
}
|
|
|
|
if (tc->exp_errno != TST_ERR) {
|
|
tst_res(TFAIL | TTERRNO, "%s: select()() should fail with %s",
|
|
tc->name, tst_strerrno(tc->exp_errno));
|
|
return;
|
|
}
|
|
|
|
tst_res(TPASS | TTERRNO, "%s: select() failed as expected", tc->name);
|
|
|
|
exit(0);
|
|
}
|
|
|
|
static void run(unsigned int n)
|
|
{
|
|
int pid, status;
|
|
|
|
pid = SAFE_FORK();
|
|
if (!pid)
|
|
verify_select(n);
|
|
|
|
SAFE_WAITPID(pid, &status, 0);
|
|
|
|
if (WIFEXITED(status))
|
|
return;
|
|
|
|
if (tst_variant == GLIBC_SELECT_VARIANT &&
|
|
tests[n].timeout == &invalid_to &&
|
|
WIFSIGNALED(status) && WTERMSIG(status) == SIGSEGV) {
|
|
tst_res(TPASS, "%s: select() killed by signal", tests[n].name);
|
|
return;
|
|
}
|
|
|
|
tst_res(TFAIL, "Child %s", tst_strstatus(status));
|
|
}
|
|
|
|
static void setup(void)
|
|
{
|
|
void *faulty_address;
|
|
|
|
select_info();
|
|
|
|
/* Regular file */
|
|
fd_closed = SAFE_OPEN("tmpfile1", O_CREAT | O_RDWR, 0777);
|
|
FD_ZERO(&fds_closed);
|
|
FD_SET(fd_closed, &fds_closed);
|
|
|
|
SAFE_PIPE(fd);
|
|
FD_ZERO(&readfds_reg);
|
|
FD_ZERO(&writefds_reg);
|
|
FD_SET(fd[0], &readfds_reg);
|
|
FD_SET(fd[1], &writefds_reg);
|
|
|
|
SAFE_CLOSE(fd_closed);
|
|
|
|
maxfds = fd[1] + 1;
|
|
faulty_address = tst_get_bad_addr(NULL);
|
|
invalid_to = faulty_address;
|
|
faulty_fds = faulty_address;
|
|
}
|
|
|
|
static struct tst_test test = {
|
|
.test = run,
|
|
.tcnt = ARRAY_SIZE(tests),
|
|
.test_variants = TEST_VARIANTS,
|
|
.setup = setup,
|
|
.needs_tmpdir = 1,
|
|
.forks_child = 1,
|
|
};
|