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 allocated_memory 43 allocated_memory_head() { 44 atf_set "descr" "Test memory sanitizer for __msan_allocated_memory interface" 45 atf_set "require.progs" "c++ paxctl" 46 } 47 48 atf_test_case allocated_memory_profile 49 allocated_memory_profile_head() { 50 atf_set "descr" "Test memory sanitizer for __msan_allocated_memory with profiling option" 51 atf_set "require.progs" "c++ paxctl" 52 } 53 atf_test_case allocated_memory_pic 54 allocated_memory_pic_head() { 55 atf_set "descr" "Test memory sanitizer for __msan_allocated_memory with position independent code (PIC) flag" 56 atf_set "require.progs" "c++ paxctl" 57 } 58 atf_test_case allocated_memory_pie 59 allocated_memory_pie_head() { 60 atf_set "descr" "Test memory sanitizer for __msan_allocated_memory with position independent execution (PIE) flag" 61 atf_set "require.progs" "c++ paxctl" 62 } 63 64 allocated_memory_body(){ 65 cat > test.cc << EOF 66 #include <stdio.h> 67 #include <sanitizer/msan_interface.h> 68 69 int main() { 70 int x = 0; 71 __msan_allocated_memory(&x, sizeof(x)); 72 return x; 73 } 74 EOF 75 76 c++ -fsanitize=memory -o test test.cc 77 paxctl +a test 78 atf_check -s ignore -o ignore -e match:"WARNING: MemorySanitizer: use-of-uninitialized-value" ./test 79 } 80 81 allocated_memory_profile_body(){ 82 cat > test.cc << EOF 83 #include <stdio.h> 84 #include <sanitizer/msan_interface.h> 85 86 int main() { 87 int x = 0; 88 __msan_allocated_memory(&x, sizeof(x)); 89 return x; 90 } 91 EOF 92 93 c++ -fsanitize=memory -static -o test -pg test.cc 94 paxctl +a test 95 atf_check -s ignore -o ignore -e match:"WARNING: MemorySanitizer: use-of-uninitialized-value" ./test 96 } 97 98 allocated_memory_pic_body(){ 99 cat > test.cc << EOF 100 #include <stdio.h> 101 #include <stdlib.h> 102 int help(int); 103 int main(int argc, char **argv) {return help(argc);} 104 EOF 105 106 cat > pic.cc << EOF 107 #include <stdio.h> 108 #include <sanitizer/msan_interface.h> 109 110 int help(int argc) { 111 int x = 0; 112 __msan_allocated_memory(&x, sizeof(x)); 113 return x; 114 } 115 EOF 116 117 c++ -fsanitize=memory -fPIC -shared -o libtest.so pic.cc 118 c++ -o test test.cc -fsanitize=memory -L. -ltest 119 paxctl +a test 120 121 export LD_LIBRARY_PATH=. 122 atf_check -s ignore -o ignore -e match:"WARNING: MemorySanitizer: use-of-uninitialized-value" ./test 123 } 124 allocated_memory_pie_body(){ 125 126 #check whether -pie flag is supported on this architecture 127 if ! c++ -pie -dM -E - < /dev/null 2>/dev/null >/dev/null; then 128 atf_set_skip "c++ -pie not supported on this architecture" 129 fi 130 cat > test.cc << EOF 131 #include <stdio.h> 132 #include <sanitizer/msan_interface.h> 133 134 int main() { 135 int x = 0; 136 __msan_allocated_memory(&x, sizeof(x)); 137 return x; 138 } 139 EOF 140 141 c++ -fsanitize=memory -o test -fpie -pie test.cc 142 paxctl +a test 143 atf_check -s ignore -o ignore -e match:"WARNING: MemorySanitizer: use-of-uninitialized-value" ./test 144 } 145 146 atf_test_case target_not_supported 147 target_not_supported_head() 148 { 149 atf_set "descr" "Test forced skip" 150 } 151 152 target_not_supported_body() 153 { 154 atf_skip "Target is not supported" 155 } 156 157 atf_init_test_cases() 158 { 159 test_target 160 test $SUPPORT = 'n' && { 161 atf_add_test_case target_not_supported 162 return 0 163 } 164 atf_add_test_case allocated_memory 165 atf_add_test_case allocated_memory_profile 166 atf_add_test_case allocated_memory_pie 167 atf_add_test_case allocated_memory_pic 168 } 169
Indexes created Sat Sep 20 22:09:52 GMT 2025