t_tsan_signal_errno.sh revision 1.3
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 # Detect address space larger than 32 bits 33 maxaddress=`sysctl vm.maxaddress|awk '{print $3}'` 34 if [ $maxaddress -gt 4294967295 ]; then 35 if command -v cc >/dev/null 2>&1; then 36 if ! echo __clang__ | cc -E - | grep -q __clang__; then 37 SUPPORT='y' 38 elif ! cc -v 2>&1 | awk '/gcc version/{print $3}' | \ 39 awk -F '.' '($0+0) > 9 {exit 1}'; then 40 SUPPORT='y' 41 fi 42 fi 43 fi 44} 45 46atf_test_case signal_errno 47signal_errno_head() { 48 atf_set "descr" "Test thread sanitizer for errno modification in signal condition" 49 atf_set "require.progs" "c++ paxctl" 50} 51 52atf_test_case signal_errno_profile 53signal_errno_profile_head() { 54 atf_set "descr" "Test thread sanitizer for errno modification in signal with profiling option" 55 atf_set "require.progs" "c++ paxctl" 56} 57atf_test_case signal_errno_pic 58signal_errno_pic_head() { 59 atf_set "descr" "Test thread sanitizer for errno modification in signal with position independent code (PIC) flag" 60 atf_set "require.progs" "c++ paxctl" 61} 62atf_test_case signal_errno_pie 63signal_errno_pie_head() { 64 atf_set "descr" "Test thread sanitizer for errno modification in signal with position independent execution (PIE) flag" 65 atf_set "require.progs" "c++ paxctl" 66} 67 68signal_errno_body(){ 69 cat > test.cc << EOF 70#include <pthread.h> 71#include <signal.h> 72#include <stdlib.h> 73#include <errno.h> 74 75pthread_t mainth; 76static void MyHandler(int a, siginfo_t *s, void *c) { errno = 1; } 77static void* sendsignal(void *p) { pthread_kill(mainth, SIGPROF); return NULL; } 78int main() { 79 mainth = pthread_self(); 80 struct sigaction act = {}; 81 act.sa_sigaction = &MyHandler; 82 sigaction(SIGPROF, &act, 0); 83 pthread_t th; 84 pthread_create(&th, 0, sendsignal, 0); 85 pthread_join(th, 0); 86 return 0; 87} 88EOF 89 90 c++ -fsanitize=thread -o test test.cc 91 paxctl +a test 92 atf_check -s ignore -o ignore -e match:"WARNING: ThreadSanitizer: signal handler spoils errno" ./test 93} 94 95signal_errno_profile_body(){ 96 cat > test.cc << EOF 97#include <pthread.h> 98#include <signal.h> 99#include <stdlib.h> 100#include <errno.h> 101 102pthread_t mainth; 103static void MyHandler(int a, siginfo_t *s, void *c) { errno = 1; } 104static void* sendsignal(void *p) { pthread_kill(mainth, SIGPROF); return NULL; } 105int main() { 106 mainth = pthread_self(); 107 struct sigaction act = {}; 108 act.sa_sigaction = &MyHandler; 109 sigaction(SIGPROF, &act, 0); 110 pthread_t th; 111 pthread_create(&th, 0, sendsignal, 0); 112 pthread_join(th, 0); 113 return 0; 114} 115EOF 116 117 c++ -fsanitize=thread -o test -pg test.cc 118 paxctl +a test 119 atf_check -s ignore -o ignore -e match:"WARNING: ThreadSanitizer: signal handler spoils errno" ./test 120} 121 122signal_errno_pic_body(){ 123 cat > test.cc << EOF 124#include <stdio.h> 125#include <stdlib.h> 126int help(int); 127int main(int argc, char **argv) {return help(argc);} 128EOF 129 130 cat > pic.cc << EOF 131#include <pthread.h> 132#include <signal.h> 133#include <stdlib.h> 134#include <errno.h> 135 136pthread_t mainth; 137static void MyHandler(int a, siginfo_t *s, void *c) { errno = 1; } 138static void* sendsignal(void *p) { pthread_kill(mainth, SIGPROF); return NULL; } 139int help(int argc) { 140 mainth = pthread_self(); 141 struct sigaction act = {}; 142 act.sa_sigaction = &MyHandler; 143 sigaction(SIGPROF, &act, 0); 144 pthread_t th; 145 pthread_create(&th, 0, sendsignal, 0); 146 pthread_join(th, 0); 147 return 0; 148} 149EOF 150 151 c++ -fsanitize=thread -fPIC -shared -o libtest.so pic.cc 152 c++ -o test test.cc -fsanitize=thread -L. -ltest 153 paxctl +a test 154 155 export LD_LIBRARY_PATH=. 156 atf_check -s ignore -o ignore -e match:"WARNING: ThreadSanitizer: signal handler spoils errno" ./test 157} 158signal_errno_pie_body(){ 159 160 #check whether -pie flag is supported on this architecture 161 if ! c++ -pie -dM -E - < /dev/null 2>/dev/null >/dev/null; then 162 atf_set_skip "c++ -pie not supported on this architecture" 163 fi 164 cat > test.cc << EOF 165#include <pthread.h> 166#include <signal.h> 167#include <stdlib.h> 168#include <errno.h> 169 170pthread_t mainth; 171static void MyHandler(int a, siginfo_t *s, void *c) { errno = 1; } 172static void* sendsignal(void *p) { pthread_kill(mainth, SIGPROF); return NULL; } 173int main() { 174 mainth = pthread_self(); 175 struct sigaction act = {}; 176 act.sa_sigaction = &MyHandler; 177 sigaction(SIGPROF, &act, 0); 178 pthread_t th; 179 pthread_create(&th, 0, sendsignal, 0); 180 pthread_join(th, 0); 181 return 0; 182} 183EOF 184 185 c++ -fsanitize=thread -o test -fpie -pie test.cc 186 paxctl +a test 187 atf_check -s ignore -o ignore -e match:"WARNING: ThreadSanitizer: signal handler spoils errno" ./test 188} 189 190 191atf_test_case target_not_supported 192target_not_supported_head() 193{ 194 atf_set "descr" "Test forced skip" 195} 196 197target_not_supported_body() 198{ 199 atf_skip "Target is not supported" 200} 201 202atf_init_test_cases() 203{ 204 test_target 205 test $SUPPORT = 'n' && { 206 atf_add_test_case target_not_supported 207 return 0 208 } 209 atf_add_test_case signal_errno 210 atf_add_test_case signal_errno_profile 211 atf_add_test_case signal_errno_pie 212 atf_add_test_case signal_errno_pic 213} 214