t_tsan_data_race.sh revision 1.4 
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 data_race
35data_race_head() {
36	atf_set "descr" "Test thread sanitizer for data race condition"
37	atf_set "require.progs" "cc paxctl"
38	tsan_available_archs
39}
40
41atf_test_case data_race_profile
42data_race_profile_head() {
43	atf_set "descr" "Test thread sanitizer for data race with profiling option"
44	atf_set "require.progs" "cc paxctl"
45	tsan_available_archs
46}
47atf_test_case data_race_pic
48data_race_pic_head() {
49	atf_set "descr" "Test thread sanitizer for data race with position independent code (PIC) flag"
50	atf_set "require.progs" "cc paxctl"
51	tsan_available_archs
52}
53atf_test_case data_race_pie
54data_race_pie_head() {
55	atf_set "descr" "Test thread sanitizer for data race with position independent execution (PIE) flag"
56	atf_set "require.progs" "cc paxctl"
57	tsan_available_archs
58}
59
60data_race_body(){
61	cat > test.c << EOF
62#include <pthread.h>
63int GlobalData; pthread_barrier_t barrier;
64void *Thread(void *a) { pthread_barrier_wait(&barrier); GlobalData = 42; return 0; }
65int main() {
66  pthread_t t;
67  pthread_barrier_init(&barrier, NULL, 2);
68  pthread_create(&t, NULL, Thread, NULL);
69  pthread_barrier_wait(&barrier);
70  GlobalData = 43;
71  pthread_join(t, NULL);
72  return 0;
73}
74EOF
75
76	cc -fsanitize=thread -o test test.c
77	paxctl +a test
78	atf_check -s ignore -o ignore -e match:"WARNING: ThreadSanitizer: data race " ./test
79}
80
81data_race_profile_body(){
82	cat > test.c << EOF
83#include <pthread.h>
84int GlobalData; pthread_barrier_t barrier;
85void *Thread(void *a) { pthread_barrier_wait(&barrier); GlobalData = 42; return 0; }
86int main() {
87  pthread_t t;
88  pthread_barrier_init(&barrier, NULL, 2);
89  pthread_create(&t, NULL, Thread, NULL);
90  pthread_barrier_wait(&barrier);
91  GlobalData = 43;
92  pthread_join(t, NULL);
93  return 0;
94}
95EOF
96
97	cc -fsanitize=thread -o test -pg test.c
98	paxctl +a test
99	atf_check -s ignore -o ignore -e match:"WARNING: ThreadSanitizer: data race " ./test
100}
101
102data_race_pic_body(){
103	cat > test.c << EOF
104#include <stdio.h>
105#include <stdlib.h>
106int help(int);
107int main(int argc, char **argv) {return help(argc);}
108EOF
109
110	cat > pic.c << EOF
111#include <pthread.h>
112int GlobalData; pthread_barrier_t barrier;
113void *Thread(void *a) { pthread_barrier_wait(&barrier); GlobalData = 42; return 0; }
114int help(int argc) {
115  pthread_t t;
116  pthread_barrier_init(&barrier, NULL, 2);
117  pthread_create(&t, NULL, Thread, NULL);
118  pthread_barrier_wait(&barrier);
119  GlobalData = 43;
120  pthread_join(t, NULL);
121  return 0;
122}
123EOF
124
125	cc -fsanitize=thread -fPIC -shared -o libtest.so pic.c
126	cc -o test test.c -fsanitize=thread -L. -ltest
127	paxctl +a test
128
129	export LD_LIBRARY_PATH=.
130	atf_check -s ignore -o ignore -e match:"WARNING: ThreadSanitizer: data race " ./test
131}
132data_race_pie_body(){
133	
134	#check whether -pie flag is supported on this architecture
135	if ! cc -pie -dM -E - < /dev/null 2>/dev/null >/dev/null; then 
136		atf_set_skip "cc -pie not supported on this architecture"
137	fi
138	cat > test.c << EOF
139#include <pthread.h>
140int GlobalData; pthread_barrier_t barrier;
141void *Thread(void *a) { pthread_barrier_wait(&barrier); GlobalData = 42; return 0; }
142int main() {
143  pthread_t t;
144  pthread_barrier_init(&barrier, NULL, 2);
145  pthread_create(&t, NULL, Thread, NULL);
146  pthread_barrier_wait(&barrier);
147  GlobalData = 43;
148  pthread_join(t, NULL);
149  return 0;
150}
151EOF
152
153	cc -fsanitize=thread -o test -fpie -pie test.c
154	paxctl +a test
155	atf_check -s ignore -o ignore -e match:"WARNING: ThreadSanitizer: data race " ./test
156}
157
158atf_init_test_cases()
159{
160	atf_add_test_case data_race
161	atf_add_test_case data_race_profile
162	atf_add_test_case data_race_pie
163	atf_add_test_case data_race_pic
164}
165