65 lines
1.3 KiB
C
65 lines
1.3 KiB
C
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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) Huawei Technologies Co., Ltd. 2021. All rights reserved.
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* Author: Xie Ziyao <xieziyao@huawei.com>
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*/
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/*\
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* [Description]
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*
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* Verify that, epoll_pwait() and epoll_pwait2() return -1 and set errno to
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* EFAULT with a sigmask points outside user's accessible address space.
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*/
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#include <sys/epoll.h>
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#include "tst_test.h"
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#include "epoll_pwait_var.h"
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static int efd, sfd[2];
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static struct epoll_event e;
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static void *bad_addr;
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static void run(void)
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{
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TST_EXP_FAIL(do_epoll_pwait(efd, &e, 1, -1, bad_addr),
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EFAULT, "with an invalid sigmask pointer");
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}
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static void setup(void)
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{
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epoll_pwait_info();
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SAFE_SOCKETPAIR(AF_UNIX, SOCK_STREAM, 0, sfd);
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efd = epoll_create(1);
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if (efd == -1)
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tst_brk(TBROK | TERRNO, "epoll_create()");
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e.events = EPOLLIN;
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if (epoll_ctl(efd, EPOLL_CTL_ADD, sfd[0], &e))
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tst_brk(TBROK | TERRNO, "epoll_clt(..., EPOLL_CTL_ADD, ...)");
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SAFE_WRITE(SAFE_WRITE_ALL, sfd[1], "w", 1);
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bad_addr = tst_get_bad_addr(NULL);
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}
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static void cleanup(void)
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{
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if (efd > 0)
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SAFE_CLOSE(efd);
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if (sfd[0] > 0)
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SAFE_CLOSE(sfd[0]);
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if (sfd[1] > 0)
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SAFE_CLOSE(sfd[1]);
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}
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static struct tst_test test = {
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.test_all = run,
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.setup = setup,
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.cleanup = cleanup,
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.test_variants = TEST_VARIANTS,
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};
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