t_tsan_signal_errno.sh revision 1.1
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 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 42atf_test_case signal_errno 43signal_errno_head() { 44 atf_set "descr" "Test thread sanitizer for errno modification in signal condition" 45 atf_set "require.progs" "c++ paxctl" 46} 47 48atf_test_case signal_errno_profile 49signal_errno_profile_head() { 50 atf_set "descr" "Test thread sanitizer for errno modification in signal with profiling option" 51 atf_set "require.progs" "c++ paxctl" 52} 53atf_test_case signal_errno_pic 54signal_errno_pic_head() { 55 atf_set "descr" "Test thread sanitizer for errno modification in signal with position independent code (PIC) flag" 56 atf_set "require.progs" "c++ paxctl" 57} 58atf_test_case signal_errno_pie 59signal_errno_pie_head() { 60 atf_set "descr" "Test thread sanitizer for errno modification in signal with position independent execution (PIE) flag" 61 atf_set "require.progs" "c++ paxctl" 62} 63 64signal_errno_body(){ 65 cat > test.cc << EOF 66#include <pthread.h> 67#include <signal.h> 68#include <stdlib.h> 69#include <errno.h> 70 71pthread_t mainth; 72static void MyHandler(int a, siginfo_t *s, void *c) { errno = 1; } 73static void* sendsignal(void *p) { pthread_kill(mainth, SIGPROF); return NULL; } 74int main() { 75 mainth = pthread_self(); 76 struct sigaction act = {}; 77 act.sa_sigaction = &MyHandler; 78 sigaction(SIGPROF, &act, 0); 79 pthread_t th; 80 pthread_create(&th, 0, sendsignal, 0); 81 pthread_join(th, 0); 82 return 0; 83} 84EOF 85 86 c++ -fsanitize=thread -o test test.cc 87 paxctl +a test 88 atf_check -s ignore -o ignore -e match:"WARNING: ThreadSanitizer: signal handler spoils errno" ./test 89} 90 91signal_errno_profile_body(){ 92 cat > test.cc << EOF 93#include <pthread.h> 94#include <signal.h> 95#include <stdlib.h> 96#include <errno.h> 97 98pthread_t mainth; 99static void MyHandler(int a, siginfo_t *s, void *c) { errno = 1; } 100static void* sendsignal(void *p) { pthread_kill(mainth, SIGPROF); return NULL; } 101int main() { 102 mainth = pthread_self(); 103 struct sigaction act = {}; 104 act.sa_sigaction = &MyHandler; 105 sigaction(SIGPROF, &act, 0); 106 pthread_t th; 107 pthread_create(&th, 0, sendsignal, 0); 108 pthread_join(th, 0); 109 return 0; 110} 111EOF 112 113 c++ -fsanitize=thread -o test -pg test.cc 114 paxctl +a test 115 atf_check -s ignore -o ignore -e match:"WARNING: ThreadSanitizer: signal handler spoils errno" ./test 116} 117 118signal_errno_pic_body(){ 119 cat > test.cc << EOF 120#include <stdio.h> 121#include <stdlib.h> 122int help(int); 123int main(int argc, char **argv) {return help(argc);} 124EOF 125 126 cat > pic.cc << EOF 127#include <pthread.h> 128#include <signal.h> 129#include <stdlib.h> 130#include <errno.h> 131 132pthread_t mainth; 133static void MyHandler(int a, siginfo_t *s, void *c) { errno = 1; } 134static void* sendsignal(void *p) { pthread_kill(mainth, SIGPROF); return NULL; } 135int help(int argc) { 136 mainth = pthread_self(); 137 struct sigaction act = {}; 138 act.sa_sigaction = &MyHandler; 139 sigaction(SIGPROF, &act, 0); 140 pthread_t th; 141 pthread_create(&th, 0, sendsignal, 0); 142 pthread_join(th, 0); 143 return 0; 144} 145EOF 146 147 c++ -fsanitize=thread -fPIC -shared -o libtest.so pic.cc 148 c++ -o test test.cc -fsanitize=thread -L. -ltest 149 paxctl +a test 150 151 export LD_LIBRARY_PATH=. 152 atf_check -s ignore -o ignore -e match:"WARNING: ThreadSanitizer: signal handler spoils errno" ./test 153} 154signal_errno_pie_body(){ 155 156 #check whether -pie flag is supported on this architecture 157 if ! c++ -pie -dM -E - < /dev/null 2>/dev/null >/dev/null; then 158 atf_set_skip "c++ -pie not supported on this architecture" 159 fi 160 cat > test.cc << EOF 161#include <pthread.h> 162#include <signal.h> 163#include <stdlib.h> 164#include <errno.h> 165 166pthread_t mainth; 167static void MyHandler(int a, siginfo_t *s, void *c) { errno = 1; } 168static void* sendsignal(void *p) { pthread_kill(mainth, SIGPROF); return NULL; } 169int main() { 170 mainth = pthread_self(); 171 struct sigaction act = {}; 172 act.sa_sigaction = &MyHandler; 173 sigaction(SIGPROF, &act, 0); 174 pthread_t th; 175 pthread_create(&th, 0, sendsignal, 0); 176 pthread_join(th, 0); 177 return 0; 178} 179EOF 180 181 c++ -fsanitize=thread -o test -fpie -pie test.cc 182 paxctl +a test 183 atf_check -s ignore -o ignore -e match:"WARNING: ThreadSanitizer: signal handler spoils errno" ./test 184} 185 186 187atf_test_case target_not_supported 188target_not_supported_head() 189{ 190 atf_set "descr" "Test forced skip" 191} 192 193atf_init_test_cases() 194{ 195 test_target 196 test $SUPPORT = 'n' && { 197 atf_add_test_case target_not_supported 198 return 0 199 } 200 atf_add_test_case signal_errno 201 atf_add_test_case signal_errno_profile 202 atf_add_test_case signal_errno_pie 203 atf_add_test_case signal_errno_pic 204} 205