t_tsan_signal_errno.sh revision 1.7
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 29tsan_available_archs() 30{ 31 atf_set "require.arch" "x86_64" 32} 33 34atf_test_case signal_errno 35signal_errno_head() { 36 atf_set "descr" "Test thread sanitizer for errno modification in signal condition" 37 atf_set "require.progs" "c++ paxctl" 38 tsan_available_archs 39} 40 41atf_test_case signal_errno_profile 42signal_errno_profile_head() { 43 atf_set "descr" "Test thread sanitizer for errno modification in signal with profiling option" 44 atf_set "require.progs" "c++ paxctl" 45 tsan_available_archs 46} 47atf_test_case signal_errno_pic 48signal_errno_pic_head() { 49 atf_set "descr" "Test thread sanitizer for errno modification in signal with position independent code (PIC) flag" 50 atf_set "require.progs" "c++ paxctl" 51 tsan_available_archs 52} 53atf_test_case signal_errno_pie 54signal_errno_pie_head() { 55 atf_set "descr" "Test thread sanitizer for errno modification in signal with position independent execution (PIE) flag" 56 atf_set "require.progs" "c++ paxctl" 57 tsan_available_archs 58} 59 60signal_errno_body(){ 61 cat > test.cc << EOF 62#include <pthread.h> 63#include <signal.h> 64#include <stdlib.h> 65#include <errno.h> 66 67pthread_t mainth; 68static void MyHandler(int a, siginfo_t *s, void *c) { errno = 1; } 69static void* sendsignal(void *p) { pthread_kill(mainth, SIGPROF); return NULL; } 70int main() { 71 mainth = pthread_self(); 72 struct sigaction act = {}; 73 act.sa_sigaction = &MyHandler; 74 sigaction(SIGPROF, &act, 0); 75 pthread_t th; 76 pthread_create(&th, 0, sendsignal, 0); 77 pthread_join(th, 0); 78 return 0; 79} 80EOF 81 82 c++ -fsanitize=thread -o test test.cc 83 paxctl +a test 84 atf_check -s ignore -o ignore -e match:"WARNING: ThreadSanitizer: signal handler spoils errno" ./test 85} 86 87signal_errno_profile_body(){ 88 atf_expect_fail "PR toolchain/55760" 89 cat > test.cc << EOF 90#include <pthread.h> 91#include <signal.h> 92#include <stdlib.h> 93#include <errno.h> 94 95pthread_t mainth; 96static void MyHandler(int a, siginfo_t *s, void *c) { errno = 1; } 97static void* sendsignal(void *p) { pthread_kill(mainth, SIGPROF); return NULL; } 98int main() { 99 mainth = pthread_self(); 100 struct sigaction act = {}; 101 act.sa_sigaction = &MyHandler; 102 sigaction(SIGPROF, &act, 0); 103 pthread_t th; 104 pthread_create(&th, 0, sendsignal, 0); 105 pthread_join(th, 0); 106 return 0; 107} 108EOF 109 110 c++ -fsanitize=thread -static -o test -pg test.cc 111 paxctl +a test 112 atf_check -s ignore -o ignore -e match:"WARNING: ThreadSanitizer: signal handler spoils errno" ./test 113} 114 115signal_errno_pic_body(){ 116 cat > test.cc << EOF 117#include <stdio.h> 118#include <stdlib.h> 119int help(int); 120int main(int argc, char **argv) {return help(argc);} 121EOF 122 123 cat > pic.cc << EOF 124#include <pthread.h> 125#include <signal.h> 126#include <stdlib.h> 127#include <errno.h> 128 129pthread_t mainth; 130static void MyHandler(int a, siginfo_t *s, void *c) { errno = 1; } 131static void* sendsignal(void *p) { pthread_kill(mainth, SIGPROF); return NULL; } 132int help(int argc) { 133 mainth = pthread_self(); 134 struct sigaction act = {}; 135 act.sa_sigaction = &MyHandler; 136 sigaction(SIGPROF, &act, 0); 137 pthread_t th; 138 pthread_create(&th, 0, sendsignal, 0); 139 pthread_join(th, 0); 140 return 0; 141} 142EOF 143 144 c++ -fsanitize=thread -fPIC -shared -o libtest.so pic.cc 145 c++ -o test test.cc -fsanitize=thread -L. -ltest 146 paxctl +a test 147 148 export LD_LIBRARY_PATH=. 149 atf_check -s ignore -o ignore -e match:"WARNING: ThreadSanitizer: signal handler spoils errno" ./test 150} 151signal_errno_pie_body(){ 152 153 #check whether -pie flag is supported on this architecture 154 if ! c++ -pie -dM -E - < /dev/null 2>/dev/null >/dev/null; then 155 atf_set_skip "c++ -pie not supported on this architecture" 156 fi 157 cat > test.cc << EOF 158#include <pthread.h> 159#include <signal.h> 160#include <stdlib.h> 161#include <errno.h> 162 163pthread_t mainth; 164static void MyHandler(int a, siginfo_t *s, void *c) { errno = 1; } 165static void* sendsignal(void *p) { pthread_kill(mainth, SIGPROF); return NULL; } 166int main() { 167 mainth = pthread_self(); 168 struct sigaction act = {}; 169 act.sa_sigaction = &MyHandler; 170 sigaction(SIGPROF, &act, 0); 171 pthread_t th; 172 pthread_create(&th, 0, sendsignal, 0); 173 pthread_join(th, 0); 174 return 0; 175} 176EOF 177 178 c++ -fsanitize=thread -o test -fpie -pie test.cc 179 paxctl +a test 180 atf_check -s ignore -o ignore -e match:"WARNING: ThreadSanitizer: signal handler spoils errno" ./test 181} 182 183atf_init_test_cases() 184{ 185 atf_add_test_case signal_errno 186 atf_add_test_case signal_errno_profile 187 atf_add_test_case signal_errno_pie 188 atf_add_test_case signal_errno_pic 189} 190