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 29test_target() 30{ 31 SUPPORT='n' 32 if uname -m | grep -q "amd64" && command -v cc >/dev/null 2>&1 && \ 33 ! echo __clang__ | cc -E - | grep -q __clang__; then 34 # only clang with major version newer than 7 is supported 35 CLANG_MAJOR=`echo __clang_major__ | cc -E - | grep -o '^[[:digit:]]'` 36 if [ "$CLANG_MAJOR" -ge "7" ]; then 37 SUPPORT='y' 38 fi 39 fi 40} 41 42atf_test_case heap 43heap_head() { 44 atf_set "descr" "Test memory sanitizer for uninitialized heap value case" 45 atf_set "require.progs" "cc paxctl" 46} 47 48atf_test_case heap_profile 49heap_profile_head() { 50 atf_set "descr" "Test memory sanitizer for uninitialized heap value with profiling option" 51 atf_set "require.progs" "cc paxctl" 52} 53atf_test_case heap_pic 54heap_pic_head() { 55 atf_set "descr" "Test memory sanitizer for uninitialized heap value with position independent code (PIC) flag" 56 atf_set "require.progs" "cc paxctl" 57} 58atf_test_case heap_pie 59heap_pie_head() { 60 atf_set "descr" "Test memory sanitizer for uninitialized heap value with position independent execution (PIE) flag" 61 atf_set "require.progs" "cc paxctl" 62} 63 64heap_body(){ 65 cat > test.c << EOF 66#include <stdlib.h> 67int main() { int *a = (int *)malloc(sizeof(int)); return *a; } 68EOF 69 70 cc -fsanitize=memory -o test test.c 71 paxctl +a test 72 atf_check -s ignore -o ignore -e match:"WARNING: MemorySanitizer: use-of-uninitialized-value" ./test 73} 74 75heap_profile_body(){ 76 cat > test.c << EOF 77#include <stdlib.h> 78int main() { int *a = (int *)malloc(sizeof(int)); return *a; } 79EOF 80 81 cc -fsanitize=memory -static -o test -pg test.c 82 paxctl +a test 83 atf_check -s ignore -o ignore -e match:"WARNING: MemorySanitizer: use-of-uninitialized-value" ./test 84} 85 86heap_pic_body(){ 87 cat > test.c << EOF 88#include <stdio.h> 89#include <stdlib.h> 90int help(int); 91int main(int argc, char **argv) {return help(argc);} 92EOF 93 94 cat > pic.c << EOF 95#include <stdlib.h> 96int help(int argc) { int *a = (int *)malloc(sizeof(int)); return *a; } 97EOF 98 99 cc -fsanitize=memory -fPIC -shared -o libtest.so pic.c 100 cc -o test test.c -fsanitize=memory -L. -ltest 101 paxctl +a test 102 103 export LD_LIBRARY_PATH=. 104 atf_check -s ignore -o ignore -e match:"WARNING: MemorySanitizer: use-of-uninitialized-value" ./test 105} 106heap_pie_body(){ 107 108 #check whether -pie flag is supported on this architecture 109 if ! cc -pie -dM -E - < /dev/null 2>/dev/null >/dev/null; then 110 atf_set_skip "cc -pie not supported on this architecture" 111 fi 112 cat > test.c << EOF 113#include <stdlib.h> 114int main() { int *a = (int *)malloc(sizeof(int)); return *a; } 115EOF 116 117 cc -fsanitize=memory -o test -fpie -pie test.c 118 paxctl +a test 119 atf_check -s ignore -o ignore -e match:"WARNING: MemorySanitizer: use-of-uninitialized-value" ./test 120} 121 122atf_test_case target_not_supported 123target_not_supported_head() 124{ 125 atf_set "descr" "Test forced skip" 126} 127 128target_not_supported_body() 129{ 130 atf_skip "Target is not supported" 131} 132 133atf_init_test_cases() 134{ 135 test_target 136 test $SUPPORT = 'n' && { 137 atf_add_test_case target_not_supported 138 return 0 139 } 140 atf_add_test_case heap 141 atf_add_test_case heap_profile 142 atf_add_test_case heap_pie 143 atf_add_test_case heap_pic 144} 145