1 # Copyright (c) 2018 The NetBSD Foundation, Inc. 2 # All rights reserved. 3 # 4 # This code is derived from software contributed to The NetBSD Foundation 5 # by Yang Zheng. 6 # 7 # Redistribution and use in source and binary forms, with or without 8 # modification, are permitted provided that the following conditions 9 # are met: 10 # 1. Redistributions of source code must retain the above copyright 11 # notice, this list of conditions and the following disclaimer. 12 # 2. Redistributions in binary form must reproduce the above copyright 13 # notice, this list of conditions and the following disclaimer in the 14 # documentation and/or other materials provided with the distribution. 15 # 16 # THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 # ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 # POSSIBILITY OF SUCH DAMAGE. 27 # 28 29 test_target() 30 { 31 SUPPORT='n' 32 if uname -m | grep -q "amd64" && command -v c++ >/dev/null 2>&1 && \ 33 ! echo __clang__ | c++ -E - | grep -q __clang__; then 34 # only clang with major version newer than 7 is supported 35 CLANG_MAJOR=`echo __clang_major__ | c++ -E - | grep -o '^[[:digit:]]'` 36 if [ "$CLANG_MAJOR" -ge "7" ]; then 37 SUPPORT='y' 38 fi 39 fi 40 } 41 42 atf_test_case simple 43 simple_head() { 44 atf_set "descr" "Test thread sanitizer for error exit condition" 45 atf_set "require.progs" "c++ paxctl" 46 } 47 48 atf_test_case simple_profile 49 simple_profile_head() { 50 atf_set "descr" "Test thread sanitizer for simple with profiling option" 51 atf_set "require.progs" "c++ paxctl" 52 } 53 atf_test_case simple_pic 54 simple_pic_head() { 55 atf_set "descr" "Test thread sanitizer for simple with position independent code (PIC) flag" 56 atf_set "require.progs" "c++ paxctl" 57 } 58 atf_test_case simple_pie 59 simple_pie_head() { 60 atf_set "descr" "Test thread sanitizer for simple with position independent execution (PIE) flag" 61 atf_set "require.progs" "c++ paxctl" 62 } 63 64 simple_body(){ 65 cat > test.cc << EOF 66 #include <stdlib.h> 67 #include <stdio.h> 68 #include <stdint.h> 69 70 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { 71 if (size > 0 && data[0] == 'b') { 72 fprintf(stderr, "BINGO\n"); 73 exit(1); 74 } 75 76 return 0; 77 } 78 EOF 79 80 c++ -fsanitize=fuzzer -o test test.cc 81 paxctl +a test 82 atf_check -s ignore -o ignore -e match:"BINGO" ./test 83 } 84 85 simple_profile_body(){ 86 cat > test.cc << EOF 87 #include <stdlib.h> 88 #include <stdio.h> 89 #include <stdint.h> 90 91 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { 92 if (size > 0 && data[0] == 'b') { 93 fprintf(stderr, "BINGO\n"); 94 exit(1); 95 } 96 97 return 0; 98 } 99 EOF 100 101 c++ -fsanitize=fuzzer -static -o test -pg test.cc 102 paxctl +a test 103 atf_check -s ignore -o ignore -e match:"BINGO" ./test 104 } 105 106 simple_pic_body(){ 107 cat > test.cc << EOF 108 #include <stddef.h> 109 #include <stdint.h> 110 int help(const uint8_t *data, size_t size); 111 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { 112 return help(data, size); 113 } 114 EOF 115 116 cat > pic.cc << EOF 117 #include <stdlib.h> 118 #include <stdio.h> 119 #include <stdint.h> 120 121 int help(const uint8_t *data, size_t size) { 122 if (size > 0 && data[0] == 'b') { 123 fprintf(stderr, "BINGO\n"); 124 exit(1); 125 } 126 127 return 0; 128 } 129 EOF 130 131 c++ -fsanitize=fuzzer -fPIC -shared -o libtest.so pic.cc 132 c++ -o test test.cc -fsanitize=fuzzer -L. -ltest 133 paxctl +a test 134 135 export LD_LIBRARY_PATH=. 136 atf_check -s ignore -o ignore -e match:"BINGO" ./test 137 } 138 simple_pie_body(){ 139 140 #check whether -pie flag is supported on this architecture 141 if ! c++ -pie -dM -E - < /dev/null 2>/dev/null >/dev/null; then 142 atf_set_skip "c++ -pie not supported on this architecture" 143 fi 144 cat > test.cc << EOF 145 #include <stdlib.h> 146 #include <stdio.h> 147 #include <stdint.h> 148 149 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { 150 if (size > 0 && data[0] == 'b') { 151 fprintf(stderr, "BINGO\n"); 152 exit(1); 153 } 154 155 return 0; 156 } 157 EOF 158 159 c++ -fsanitize=fuzzer -o test -fpie -pie test.cc 160 paxctl +a test 161 atf_check -s ignore -o ignore -e match:"BINGO" ./test 162 } 163 164 165 atf_test_case target_not_supported 166 target_not_supported_head() 167 { 168 atf_set "descr" "Test forced skip" 169 } 170 171 target_not_supported_body() 172 { 173 atf_skip "Target is not supported" 174 } 175 176 atf_init_test_cases() 177 { 178 test_target 179 test $SUPPORT = 'n' && { 180 atf_add_test_case target_not_supported 181 return 0 182 } 183 atf_add_test_case simple 184 atf_add_test_case simple_profile 185 atf_add_test_case simple_pie 186 atf_add_test_case simple_pic 187 } 188
Indexes created Sat Sep 20 22:09:52 GMT 2025