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      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 
     29 
     30 tsan_available_archs()
     31 {
     32 	atf_set "require.arch" "x86_64"
     33 }
     34 
     35 atf_test_case locked_mutex_destroy
     36 locked_mutex_destroy_head() {
     37 	atf_set "descr" "Test thread sanitizer for destroying locked mutex condition"
     38 	atf_set "require.progs" "c++ paxctl"
     39 	tsan_available_archs
     40 }
     41 
     42 atf_test_case locked_mutex_destroy_profile
     43 locked_mutex_destroy_profile_head() {
     44 	atf_set "descr" "Test thread sanitizer for destroying locked mutex with profiling option"
     45 	atf_set "require.progs" "c++ paxctl"
     46 	tsan_available_archs
     47 }
     48 atf_test_case locked_mutex_destroy_pic
     49 locked_mutex_destroy_pic_head() {
     50 	atf_set "descr" "Test thread sanitizer for destroying locked mutex with position independent code (PIC) flag"
     51 	atf_set "require.progs" "c++ paxctl"
     52 	tsan_available_archs
     53 }
     54 atf_test_case locked_mutex_destroy_pie
     55 locked_mutex_destroy_pie_head() {
     56 	atf_set "descr" "Test thread sanitizer for destroying locked mutex with position independent execution (PIE) flag"
     57 	atf_set "require.progs" "c++ paxctl"
     58 	tsan_available_archs
     59 }
     60 
     61 locked_mutex_destroy_body(){
     62 	cat > test.cc << EOF
     63 #include <pthread.h>
     64 #include <stdlib.h>
     65 
     66 pthread_mutex_t mutex;
     67 pthread_barrier_t barrier;
     68 void *Thread(void *a) {
     69   pthread_mutex_lock(&mutex);
     70   pthread_barrier_wait(&barrier);
     71   return 0;
     72 }
     73 
     74 int main() {
     75   pthread_t t;
     76   pthread_barrier_init(&barrier, NULL, 2);
     77   pthread_mutex_init(&mutex, NULL);
     78   pthread_create(&t, NULL, Thread, NULL);
     79   pthread_barrier_wait(&barrier);
     80   pthread_mutex_destroy(&mutex);
     81   pthread_join(t, NULL);
     82   return 0;
     83 }
     84 EOF
     85 
     86 	c++ -fsanitize=thread -o test test.cc
     87 	paxctl +a test
     88 	atf_check -s ignore -o ignore -e match:"WARNING: ThreadSanitizer: destroy of a locked mutex" ./test
     89 }
     90 
     91 locked_mutex_destroy_profile_body(){
     92 	atf_expect_fail "PR toolchain/55760"
     93 	cat > test.cc << EOF
     94 #include <pthread.h>
     95 #include <stdlib.h>
     96 
     97 pthread_mutex_t mutex;
     98 pthread_barrier_t barrier;
     99 void *Thread(void *a) {
    100   pthread_mutex_lock(&mutex);
    101   pthread_barrier_wait(&barrier);
    102   return 0;
    103 }
    104 
    105 int main() {
    106   pthread_t t;
    107   pthread_barrier_init(&barrier, NULL, 2);
    108   pthread_mutex_init(&mutex, NULL);
    109   pthread_create(&t, NULL, Thread, NULL);
    110   pthread_barrier_wait(&barrier);
    111   pthread_mutex_destroy(&mutex);
    112   pthread_join(t, NULL);
    113   return 0;
    114 }
    115 EOF
    116 
    117 	c++ -fsanitize=thread -static -o test -pg test.cc
    118 	paxctl +a test
    119 	atf_check -s ignore -o ignore -e match:"WARNING: ThreadSanitizer: destroy of a locked mutex" ./test
    120 }
    121 
    122 locked_mutex_destroy_pic_body(){
    123 	cat > test.cc << EOF
    124 #include <stdio.h>
    125 #include <stdlib.h>
    126 int help(int);
    127 int main(int argc, char **argv) {return help(argc);}
    128 EOF
    129 
    130 	cat > pic.cc << EOF
    131 #include <pthread.h>
    132 #include <stdlib.h>
    133 
    134 pthread_mutex_t mutex;
    135 pthread_barrier_t barrier;
    136 void *Thread(void *a) {
    137   pthread_mutex_lock(&mutex);
    138   pthread_barrier_wait(&barrier);
    139   return 0;
    140 }
    141 
    142 int help(int argc) {
    143   pthread_t t;
    144   pthread_barrier_init(&barrier, NULL, 2);
    145   pthread_mutex_init(&mutex, NULL);
    146   pthread_create(&t, NULL, Thread, NULL);
    147   pthread_barrier_wait(&barrier);
    148   pthread_mutex_destroy(&mutex);
    149   pthread_join(t, NULL);
    150   return 0;
    151 }
    152 EOF
    153 
    154 	c++ -fsanitize=thread -fPIC -shared -o libtest.so pic.cc
    155 	c++ -o test test.cc -fsanitize=thread -L. -ltest
    156 	paxctl +a test
    157 
    158 	export LD_LIBRARY_PATH=.
    159 	atf_check -s ignore -o ignore -e match:"WARNING: ThreadSanitizer: destroy of a locked mutex" ./test
    160 }
    161 locked_mutex_destroy_pie_body(){
    162 
    163 	#check whether -pie flag is supported on this architecture
    164 	if ! c++ -pie -dM -E - < /dev/null 2>/dev/null >/dev/null; then
    165 		atf_set_skip "c++ -pie not supported on this architecture"
    166 	fi
    167 	cat > test.cc << EOF
    168 #include <pthread.h>
    169 #include <stdlib.h>
    170 
    171 pthread_mutex_t mutex;
    172 pthread_barrier_t barrier;
    173 void *Thread(void *a) {
    174   pthread_mutex_lock(&mutex);
    175   pthread_barrier_wait(&barrier);
    176   return 0;
    177 }
    178 
    179 int main() {
    180   pthread_t t;
    181   pthread_barrier_init(&barrier, NULL, 2);
    182   pthread_mutex_init(&mutex, NULL);
    183   pthread_create(&t, NULL, Thread, NULL);
    184   pthread_barrier_wait(&barrier);
    185   pthread_mutex_destroy(&mutex);
    186   pthread_join(t, NULL);
    187   return 0;
    188 }
    189 EOF
    190 
    191 	c++ -fsanitize=thread -o test -fpie -pie test.cc
    192 	paxctl +a test
    193 	atf_check -s ignore -o ignore -e match:"WARNING: ThreadSanitizer: destroy of a locked mutex" ./test
    194 }
    195 
    196 
    197 atf_init_test_cases()
    198 {
    199 	atf_add_test_case locked_mutex_destroy
    200 	atf_add_test_case locked_mutex_destroy_profile
    201 	atf_add_test_case locked_mutex_destroy_pie
    202 	atf_add_test_case locked_mutex_destroy_pic
    203 }
    204