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
32 #include <stdio.h>
33 #include <stdlib.h>
34 #include <string.h>
35
BufWriteTest(void * buf,int start,int end)36 static void BufWriteTest(void *buf, int start, int end)
37 {
38 for (int i = start; i <= end; i++) {
39 ((char *)buf)[i] = 'a';
40 }
41 }
42
BufReadTest(void * buf,int start,int end)43 static void BufReadTest(void *buf, int start, int end)
44 {
45 char tmp;
46 for (int i = start; i <= end; i++) {
47 tmp = ((char *)buf)[i];
48 }
49 }
50
LmsMallocTest(void)51 static void LmsMallocTest(void)
52 {
53 #define TEST_SIZE 16
54 printf("\n-------- LmsMallocTest Start --------\n");
55 char *buf = (char *)malloc(TEST_SIZE);
56 if (buf == NULL) {
57 return;
58 }
59 printf("[LmsMallocTest] read overflow & underflow error should be triggered, read range[-1, TEST_SIZE]\n");
60 BufReadTest(buf, -1, TEST_SIZE);
61 printf("[LmsMallocTest] write overflow error should be triggered, write range[0, TEST_SIZE]\n");
62 BufWriteTest(buf, 0, TEST_SIZE);
63
64 free(buf);
65 printf("\n-------- LmsMallocTest End --------\n");
66 }
67
LmsReallocTest(void)68 static void LmsReallocTest(void)
69 {
70 #define TEST_SIZE 64
71 #define TEST_SIZE_MIN 32
72 printf("\n-------- LmsReallocTest Start --------\n");
73 char *buf = (char *)malloc(TEST_SIZE);
74 printf("[LmsReallocTest] read overflow & underflow error should be triggered, read range[-1, TEST_SIZE]\n");
75 BufReadTest(buf, -1, TEST_SIZE);
76 char *buf1 = (char *)realloc(buf, TEST_SIZE_MIN);
77 if (buf1 == NULL) {
78 free(buf);
79 return;
80 }
81 buf = NULL;
82 printf("[LmsReallocTest] read overflow & underflow error should be triggered, read range[-1, TEST_SIZE_MIN]\n");
83 BufReadTest(buf1, -1, TEST_SIZE_MIN);
84 free(buf1);
85 printf("\n-------- LmsReallocTest End --------\n");
86 }
87
LmsCallocTest(void)88 static void LmsCallocTest(void)
89 {
90 #define TEST_SIZE 16
91 printf("\n-------- LmsCallocTest Start --------\n");
92 char *buf = (char *)calloc(4, 4); /* 4: test size */
93 if (buf == NULL) {
94 return;
95 }
96 printf("[LmsCallocTest] read overflow & underflow error should be triggered, read range[-1, TEST_SIZE]\n");
97 BufReadTest(buf, -1, TEST_SIZE);
98 free(buf);
99 printf("\n-------- LmsCallocTest End --------\n");
100 }
101
LmsVallocTest(void)102 static void LmsVallocTest(void)
103 {
104 #define TEST_SIZE 4096
105 printf("\n-------- LmsVallocTest Start --------\n");
106 char *buf = (char *)valloc(TEST_SIZE);
107 if (buf == NULL) {
108 return;
109 }
110 printf("[LmsVallocTest] read overflow & underflow error should be triggered, read range[-1, TEST_SIZE]\n");
111 BufReadTest(buf, -1, TEST_SIZE);
112 free(buf);
113 printf("\n-------- LmsVallocTest End --------\n");
114 }
115
LmsAlignedAllocTest(void)116 static void LmsAlignedAllocTest(void)
117 {
118 #define TEST_ALIGN_SIZE 64
119 #define TEST_SIZE 128
120 printf("\n-------- LmsAlignedAllocTest Start --------\n");
121 char *buf = (char *)aligned_alloc(TEST_ALIGN_SIZE, TEST_SIZE);
122 if (buf == NULL) {
123 return;
124 }
125 printf("[LmsAlignedAllocTest] read overflow & underflow error should be triggered, read range[-1,128]\n");
126 BufReadTest(buf, -1, 128);
127 free(buf);
128 printf("\n-------- LmsAlignedAllocTest End --------\n");
129 }
130
LmsMemsetTest(void)131 static void LmsMemsetTest(void)
132 {
133 #define TEST_SIZE 32
134 printf("\n-------- LmsMemsetTest Start --------\n");
135 char *buf = (char *)malloc(TEST_SIZE);
136 if (buf == NULL) {
137 return;
138 }
139 printf("[LmsMemsetTest] memset overflow & underflow error should be triggered, memset size:%d\n", TEST_SIZE + 1);
140 memset(buf, 0, TEST_SIZE + 1);
141 free(buf);
142 printf("\n-------- LmsMemsetTest End --------\n");
143 }
144
LmsMemcpyTest(void)145 static void LmsMemcpyTest(void)
146 {
147 #define TEST_SIZE 20
148 printf("\n-------- LmsMemcpyTest Start --------\n");
149 char *buf = (char *)malloc(TEST_SIZE);
150 if (buf == NULL) {
151 return;
152 }
153 char localBuf[32] = {0}; /* 32: test size */
154 printf("[LmsMemcpyTest] memcpy overflow error should be triggered, memcpy size:%d\n", TEST_SIZE + 1);
155 memcpy(buf, localBuf, TEST_SIZE + 1);
156 free(buf);
157 printf("\n-------- LmsMemcpyTest End --------\n");
158 }
159
LmsMemmoveTest(void)160 static void LmsMemmoveTest(void)
161 {
162 #define TEST_SIZE 20
163 printf("\n-------- LmsMemmoveTest Start --------\n");
164 char *buf = (char *)malloc(TEST_SIZE);
165 if (buf == NULL) {
166 return;
167 }
168 printf("[LmsMemmoveTest] memmove overflow error should be triggered\n");
169 memmove(buf + 12, buf, 10); /* 12 and 10: test size */
170 free(buf);
171 printf("\n-------- LmsMemmoveTest End --------\n");
172 }
173
LmsStrcpyTest(void)174 static void LmsStrcpyTest(void)
175 {
176 #define TEST_SIZE 16
177 printf("\n-------- LmsStrcpyTest Start --------\n");
178 char *buf = (char *)malloc(TEST_SIZE);
179 if (buf == NULL) {
180 return;
181 }
182 char *testStr = "bbbbbbbbbbbbbbbbb";
183 printf("[LmsStrcpyTest] strcpy overflow error should be triggered, src string buf size:%d\n",
184 (int)strlen(testStr) + 1);
185 strcpy(buf, testStr);
186 free(buf);
187 printf("\n-------- LmsStrcpyTest End --------\n");
188 }
189
LmsStrcatTest(void)190 static void LmsStrcatTest(void)
191 {
192 #define TEST_SIZE 16
193 printf("\n-------- LmsStrcatTest Start --------\n");
194 char *buf = (char *)malloc(TEST_SIZE);
195 if (buf == NULL) {
196 return;
197 }
198 buf[0] = 'a';
199 buf[1] = 'b';
200 buf[2] = 0;
201 char *testStr = "cccccccccccccc";
202 printf("[LmsStrcatTest] strcat overflow error should be triggered, src string:%s dest string:%s"
203 "total buf size:%d\n",
204 testStr, buf, strlen(testStr) + strlen(buf) + 1);
205 strcat(buf, testStr);
206 free(buf);
207 printf("\n-------- LmsStrcatTest End --------\n");
208 }
209
LmsFreeTest(void)210 static void LmsFreeTest(void)
211 {
212 #define TEST_SIZE 16
213 printf("\n-------- LmsFreeTest Start --------\n");
214 char *buf = (char *)malloc(TEST_SIZE);
215 if (buf == NULL) {
216 return;
217 }
218 printf("[LmsFreeTest] free size:%d\n", TEST_SIZE);
219 free(buf);
220 printf("[LmsFreeTest] Use after free error should be triggered, read range[1,1]\n");
221 BufReadTest(buf, 1, 1);
222 printf("[LmsFreeTest] double free error should be triggered\n");
223 free(buf);
224 printf("\n-------- LmsFreeTest End --------\n");
225 }
226
main(int argc,char * const * argv)227 int main(int argc, char * const *argv)
228 {
229 (void)argc;
230 (void)argv;
231 printf("\n############### Lms Test start ###############\n");
232 char *tmp = (char *)malloc(5000); /* 5000: test mem size */
233 if (tmp == NULL) {
234 return;
235 }
236 LmsMallocTest();
237 LmsReallocTest();
238 LmsCallocTest();
239 LmsVallocTest();
240 LmsAlignedAllocTest();
241 LmsMemsetTest();
242 LmsMemcpyTest();
243 LmsMemmoveTest();
244 LmsStrcpyTest();
245 LmsStrcatTest();
246 LmsFreeTest();
247 free(tmp);
248 printf("\n############### Lms Test End ###############\n");
249 }
250