1 /*
2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this list of
9 * conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
12 * of conditions and the following disclaimer in the documentation and/or other materials
13 * provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
16 * to endorse or promote products derived from this software without specific prior written
17 * permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31 #include "it_test_vm.h"
32 #include "signal.h"
33
34 #define INVALID_USER_VADDR 0x1200000
35
Testcase(void)36 static int Testcase(void)
37 {
38 int ret;
39 sigset_t oldset;
40 const char *str = "Hi, OHOS.";
41
42 /* sigprocmask 内核系统调用接口通过arch_copy_from_user拷贝用户参数 */
43 ret = sigprocmask(SIG_BLOCK, reinterpret_cast<sigset_t *>(1), &oldset);
44 ICUNIT_ASSERT_EQUAL(ret, -1, ret);
45 ICUNIT_ASSERT_EQUAL(errno, EFAULT, errno);
46
47 ret = sigprocmask(SIG_BLOCK, reinterpret_cast<sigset_t *>(INVALID_USER_VADDR), &oldset);
48 ICUNIT_ASSERT_EQUAL(ret, -1, ret);
49 ICUNIT_ASSERT_EQUAL(errno, EFAULT, errno);
50
51 /* sigprocmask 内核系统调用接口通过arch_copy_to_user将内核参数拷贝至用户 */
52 ret = sigprocmask(SIG_BLOCK, reinterpret_cast<sigset_t *>(INVALID_USER_VADDR), reinterpret_cast<sigset_t *>(1));
53 ICUNIT_ASSERT_EQUAL(ret, -1, ret);
54 ICUNIT_ASSERT_EQUAL(errno, EFAULT, errno);
55
56 ret = sigprocmask(SIG_BLOCK, reinterpret_cast<sigset_t *>(INVALID_USER_VADDR),
57 reinterpret_cast<sigset_t *>(INVALID_USER_VADDR));
58 ICUNIT_ASSERT_EQUAL(ret, -1, ret);
59 ICUNIT_ASSERT_EQUAL(errno, EFAULT, errno);
60
61 ret = sigprocmask(SIG_BLOCK, reinterpret_cast<sigset_t *>(INVALID_USER_VADDR),
62 reinterpret_cast<sigset_t *>(const_cast<char *>(str)));
63 ICUNIT_ASSERT_EQUAL(ret, -1, ret);
64 ICUNIT_ASSERT_EQUAL(errno, EFAULT, errno);
65
66 return 0;
67 }
68
ItTestUserCopy001(void)69 void ItTestUserCopy001(void)
70 {
71 TEST_ADD_CASE("IT_MEM_USER_COPY_001", Testcase, TEST_LOS, TEST_MEM, TEST_LEVEL0, TEST_FUNCTION);
72 }
73