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 #define INVALID_FD 0xFFFFFFFF
33 #define INVALID_VADDR 0xAFFFFFFF
34 #define VALIDE_ADDR 0x12000000
35 #define ADDR_OFFSET 0X123
36 #define OVER_LEN 0x40000000
37 #define MAP_LEN 0x1000
38 #define FLAG_NUM 3
39
Testcase(void)40 static int Testcase(void)
41 {
42 void *mem = NULL;
43 void *invalueAddr = NULL;
44 size_t len = MAP_LEN;
45 char file[] = "/storage/testMmapEINVAL.txt";
46 int flags[FLAG_NUM] = {0, MAP_ANON, MAP_PRIVATE | MAP_SHARED};
47 int ret, fd;
48
49 fd = open(file, O_CREAT | O_RDWR, S_IRWXU | S_IRWXG | S_IRWXO);
50 ICUNIT_ASSERT_NOT_EQUAL(fd, -1, fd);
51
52 invalueAddr = reinterpret_cast<void *>(VALIDE_ADDR | ADDR_OFFSET);
53 mem = mmap(invalueAddr, len, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_FIXED, fd, 0);
54 ICUNIT_GOTO_EQUAL(mem, MAP_FAILED, mem, EXIT);
55 ICUNIT_GOTO_EQUAL(errno, EINVAL, errno, EXIT);
56
57 mem = mmap((void *)INVALID_VADDR, len, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_FIXED, fd, 0);
58 ICUNIT_GOTO_EQUAL(mem, MAP_FAILED, mem, EXIT);
59 ICUNIT_GOTO_EQUAL(errno, EINVAL, errno, EXIT);
60
61 mem = mmap((void *)INVALID_VADDR, len, PROT_READ | PROT_WRITE, MAP_ANON | MAP_SHARED, -1, 0);
62 ICUNIT_GOTO_NOT_EQUAL(mem, MAP_FAILED, mem, EXIT);
63 ret = munmap(mem, len);
64 ICUNIT_GOTO_EQUAL(ret, 0, ret, EXIT);
65
66 len = OVER_LEN;
67 mem = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
68 ICUNIT_GOTO_EQUAL(mem, MAP_FAILED, mem, EXIT);
69 ICUNIT_GOTO_EQUAL(errno, EINVAL, errno, EXIT);
70
71 len = MAP_LEN;
72 mem = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, INVALID_FD);
73 ICUNIT_GOTO_EQUAL(mem, MAP_FAILED, mem, EXIT);
74 ICUNIT_GOTO_EQUAL(errno, EINVAL, errno, EXIT);
75
76 len = 0;
77 mem = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
78 ICUNIT_GOTO_EQUAL(mem, MAP_FAILED, mem, EXIT);
79 ICUNIT_GOTO_EQUAL(errno, EINVAL, errno, EXIT);
80
81 len = MAP_LEN;
82 for (int i = 0; i < FLAG_NUM; i++) {
83 mem = mmap(NULL, len, PROT_READ | PROT_WRITE, flags[i], fd, 0);
84 ICUNIT_GOTO_EQUAL(mem, MAP_FAILED, mem, EXIT);
85 ICUNIT_GOTO_EQUAL(errno, EINVAL, errno, EXIT);
86 }
87
88 EXIT:
89 ret = close(fd);
90 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
91 ret = remove(file);
92 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
93
94 return 0;
95 }
96
ItTestMmap006(void)97 void ItTestMmap006(void)
98 {
99 TEST_ADD_CASE("IT_MEM_MMAP_006", Testcase, TEST_LOS, TEST_MEM, TEST_LEVEL0, TEST_FUNCTION);
100 }
101