mjw | 0c66d2e | 2015-09-04 09:41:42 +0000 | [diff] [blame] | 1 | |
| 2 | |
| 3 | |
| 4 | ------ This is output for >= glibc 2.4 ------ |
| 5 | |
| 6 | ---------------- pthread_create/join ---------------- |
| 7 | |
| 8 | ---Thread-Announcement------------------------------------------ |
| 9 | |
| 10 | Thread #x is the program's root thread |
| 11 | |
| 12 | ---Thread-Announcement------------------------------------------ |
| 13 | |
| 14 | Thread #x was created |
| 15 | ... |
| 16 | by 0x........: pthread_create@* (hg_intercepts.c:...) |
Elliott Hughes | a0664b9 | 2017-04-18 17:46:52 -0700 | [diff] [blame^] | 17 | by 0x........: main (tc20_verifywrap.c:86) |
mjw | 0c66d2e | 2015-09-04 09:41:42 +0000 | [diff] [blame] | 18 | |
| 19 | ---------------------------------------------------------------- |
| 20 | |
| 21 | Possible data race during write of size 2 at 0x........ by thread #x |
| 22 | Locks held: none |
Elliott Hughes | a0664b9 | 2017-04-18 17:46:52 -0700 | [diff] [blame^] | 23 | at 0x........: main (tc20_verifywrap.c:88) |
mjw | 0c66d2e | 2015-09-04 09:41:42 +0000 | [diff] [blame] | 24 | |
| 25 | This conflicts with a previous write of size 2 by thread #x |
| 26 | Locks held: none |
Elliott Hughes | a0664b9 | 2017-04-18 17:46:52 -0700 | [diff] [blame^] | 27 | at 0x........: racy_child (tc20_verifywrap.c:44) |
mjw | 0c66d2e | 2015-09-04 09:41:42 +0000 | [diff] [blame] | 28 | by 0x........: mythread_wrapper (hg_intercepts.c:...) |
| 29 | ... |
| 30 | Location 0x........ is 0 bytes inside global var "unprotected" |
Elliott Hughes | a0664b9 | 2017-04-18 17:46:52 -0700 | [diff] [blame^] | 31 | declared at tc20_verifywrap.c:37 |
mjw | 0c66d2e | 2015-09-04 09:41:42 +0000 | [diff] [blame] | 32 | |
| 33 | ---------------------------------------------------------------- |
| 34 | |
| 35 | Thread #x's call to pthread_join failed |
| 36 | with error code 35 (EDEADLK: Resource deadlock would occur) |
| 37 | at 0x........: pthread_join_WRK (hg_intercepts.c:...) |
| 38 | by 0x........: pthread_join (hg_intercepts.c:...) |
Elliott Hughes | a0664b9 | 2017-04-18 17:46:52 -0700 | [diff] [blame^] | 39 | by 0x........: main (tc20_verifywrap.c:93) |
mjw | 0c66d2e | 2015-09-04 09:41:42 +0000 | [diff] [blame] | 40 | |
| 41 | |
| 42 | ---------------- pthread_mutex_lock et al ---------------- |
| 43 | |
| 44 | ---------------------------------------------------------------- |
| 45 | |
| 46 | Thread #x's call to pthread_mutex_init failed |
| 47 | with error code 95 (EOPNOTSUPP: Operation not supported on transport endpoint) |
| 48 | at 0x........: pthread_mutex_init (hg_intercepts.c:...) |
Elliott Hughes | a0664b9 | 2017-04-18 17:46:52 -0700 | [diff] [blame^] | 49 | by 0x........: main (tc20_verifywrap.c:107) |
mjw | 0c66d2e | 2015-09-04 09:41:42 +0000 | [diff] [blame] | 50 | |
| 51 | ---------------------------------------------------------------- |
| 52 | |
| 53 | Thread #x: pthread_mutex_destroy of a locked mutex |
| 54 | at 0x........: mutex_destroy_WRK (hg_intercepts.c:...) |
| 55 | by 0x........: pthread_mutex_destroy (hg_intercepts.c:...) |
Elliott Hughes | a0664b9 | 2017-04-18 17:46:52 -0700 | [diff] [blame^] | 56 | by 0x........: main (tc20_verifywrap.c:117) |
mjw | 0c66d2e | 2015-09-04 09:41:42 +0000 | [diff] [blame] | 57 | |
| 58 | ---------------------------------------------------------------- |
| 59 | |
| 60 | Thread #x's call to pthread_mutex_destroy failed |
| 61 | with error code 16 (EBUSY: Device or resource busy) |
| 62 | at 0x........: mutex_destroy_WRK (hg_intercepts.c:...) |
| 63 | by 0x........: pthread_mutex_destroy (hg_intercepts.c:...) |
Elliott Hughes | a0664b9 | 2017-04-18 17:46:52 -0700 | [diff] [blame^] | 64 | by 0x........: main (tc20_verifywrap.c:117) |
mjw | 0c66d2e | 2015-09-04 09:41:42 +0000 | [diff] [blame] | 65 | |
| 66 | ---------------------------------------------------------------- |
| 67 | |
| 68 | Thread #x's call to pthread_mutex_lock failed |
| 69 | with error code 22 (EINVAL: Invalid argument) |
| 70 | at 0x........: mutex_lock_WRK (hg_intercepts.c:...) |
| 71 | by 0x........: pthread_mutex_lock (hg_intercepts.c:...) |
Elliott Hughes | a0664b9 | 2017-04-18 17:46:52 -0700 | [diff] [blame^] | 72 | by 0x........: main (tc20_verifywrap.c:123) |
mjw | 0c66d2e | 2015-09-04 09:41:42 +0000 | [diff] [blame] | 73 | |
| 74 | ---------------------------------------------------------------- |
| 75 | |
| 76 | Thread #x's call to pthread_mutex_trylock failed |
| 77 | with error code 22 (EINVAL: Invalid argument) |
| 78 | at 0x........: mutex_trylock_WRK (hg_intercepts.c:...) |
| 79 | by 0x........: pthread_mutex_trylock (hg_intercepts.c:...) |
Elliott Hughes | a0664b9 | 2017-04-18 17:46:52 -0700 | [diff] [blame^] | 80 | by 0x........: main (tc20_verifywrap.c:131) |
mjw | 0c66d2e | 2015-09-04 09:41:42 +0000 | [diff] [blame] | 81 | |
| 82 | ---------------------------------------------------------------- |
| 83 | |
| 84 | Thread #x's call to pthread_mutex_timedlock failed |
| 85 | with error code 22 (EINVAL: Invalid argument) |
| 86 | at 0x........: mutex_timedlock_WRK (hg_intercepts.c:...) |
| 87 | by 0x........: pthread_mutex_timedlock (hg_intercepts.c:...) |
Elliott Hughes | a0664b9 | 2017-04-18 17:46:52 -0700 | [diff] [blame^] | 88 | by 0x........: main (tc20_verifywrap.c:136) |
mjw | 0c66d2e | 2015-09-04 09:41:42 +0000 | [diff] [blame] | 89 | |
| 90 | ---------------------------------------------------------------- |
| 91 | |
| 92 | Thread #x unlocked an invalid lock at 0x........ |
| 93 | at 0x........: mutex_unlock_WRK (hg_intercepts.c:...) |
| 94 | by 0x........: pthread_mutex_unlock (hg_intercepts.c:...) |
Elliott Hughes | a0664b9 | 2017-04-18 17:46:52 -0700 | [diff] [blame^] | 95 | by 0x........: main (tc20_verifywrap.c:140) |
mjw | 0c66d2e | 2015-09-04 09:41:42 +0000 | [diff] [blame] | 96 | |
| 97 | ---------------------------------------------------------------- |
| 98 | |
| 99 | Thread #x's call to pthread_mutex_unlock failed |
| 100 | with error code 22 (EINVAL: Invalid argument) |
| 101 | at 0x........: mutex_unlock_WRK (hg_intercepts.c:...) |
| 102 | by 0x........: pthread_mutex_unlock (hg_intercepts.c:...) |
Elliott Hughes | a0664b9 | 2017-04-18 17:46:52 -0700 | [diff] [blame^] | 103 | by 0x........: main (tc20_verifywrap.c:140) |
mjw | 0c66d2e | 2015-09-04 09:41:42 +0000 | [diff] [blame] | 104 | |
| 105 | |
| 106 | ---------------- pthread_cond_wait et al ---------------- |
| 107 | |
| 108 | ---------------------------------------------------------------- |
| 109 | |
| 110 | Thread #x: pthread_cond_{timed}wait called with un-held mutex |
| 111 | at 0x........: pthread_cond_wait_WRK (hg_intercepts.c:...) |
| 112 | by 0x........: pthread_cond_wait@* (hg_intercepts.c:...) |
Elliott Hughes | a0664b9 | 2017-04-18 17:46:52 -0700 | [diff] [blame^] | 113 | by 0x........: main (tc20_verifywrap.c:162) |
mjw | 0c66d2e | 2015-09-04 09:41:42 +0000 | [diff] [blame] | 114 | |
| 115 | ---------------------------------------------------------------- |
| 116 | |
| 117 | Thread #x's call to pthread_cond_wait failed |
| 118 | with error code 1 (EPERM: Operation not permitted) |
| 119 | at 0x........: pthread_cond_wait_WRK (hg_intercepts.c:...) |
| 120 | by 0x........: pthread_cond_wait@* (hg_intercepts.c:...) |
Elliott Hughes | a0664b9 | 2017-04-18 17:46:52 -0700 | [diff] [blame^] | 121 | by 0x........: main (tc20_verifywrap.c:162) |
mjw | 0c66d2e | 2015-09-04 09:41:42 +0000 | [diff] [blame] | 122 | |
| 123 | ---------------------------------------------------------------- |
| 124 | |
| 125 | Thread #x: pthread_cond_{signal,broadcast}: dubious: associated lock is not held by any thread |
| 126 | at 0x........: pthread_cond_signal_WRK (hg_intercepts.c:...) |
| 127 | by 0x........: pthread_cond_signal@* (hg_intercepts.c:...) |
Elliott Hughes | a0664b9 | 2017-04-18 17:46:52 -0700 | [diff] [blame^] | 128 | by 0x........: main (tc20_verifywrap.c:167) |
mjw | 0c66d2e | 2015-09-04 09:41:42 +0000 | [diff] [blame] | 129 | |
| 130 | |
| 131 | FIXME: can't figure out how to verify wrap of pthread_cond_signal |
| 132 | |
| 133 | ---------------------------------------------------------------- |
| 134 | |
| 135 | Thread #x: pthread_cond_{signal,broadcast}: dubious: associated lock is not held by any thread |
| 136 | at 0x........: pthread_cond_broadcast_WRK (hg_intercepts.c:...) |
| 137 | by 0x........: pthread_cond_broadcast@* (hg_intercepts.c:...) |
Elliott Hughes | a0664b9 | 2017-04-18 17:46:52 -0700 | [diff] [blame^] | 138 | by 0x........: main (tc20_verifywrap.c:173) |
mjw | 0c66d2e | 2015-09-04 09:41:42 +0000 | [diff] [blame] | 139 | |
| 140 | |
| 141 | FIXME: can't figure out how to verify wrap of pthread_broadcast_signal |
| 142 | |
| 143 | ---------------------------------------------------------------- |
| 144 | |
| 145 | Thread #x: pthread_cond_{timed}wait called with un-held mutex |
| 146 | at 0x........: pthread_cond_timedwait_WRK (hg_intercepts.c:...) |
| 147 | by 0x........: pthread_cond_timedwait@* (hg_intercepts.c:...) |
Elliott Hughes | a0664b9 | 2017-04-18 17:46:52 -0700 | [diff] [blame^] | 148 | by 0x........: main (tc20_verifywrap.c:180) |
mjw | 0c66d2e | 2015-09-04 09:41:42 +0000 | [diff] [blame] | 149 | |
| 150 | ---------------------------------------------------------------- |
| 151 | |
| 152 | Thread #x's call to pthread_cond_timedwait failed |
| 153 | with error code 22 (EINVAL: Invalid argument) |
| 154 | at 0x........: pthread_cond_timedwait_WRK (hg_intercepts.c:...) |
| 155 | by 0x........: pthread_cond_timedwait@* (hg_intercepts.c:...) |
Elliott Hughes | a0664b9 | 2017-04-18 17:46:52 -0700 | [diff] [blame^] | 156 | by 0x........: main (tc20_verifywrap.c:180) |
mjw | 0c66d2e | 2015-09-04 09:41:42 +0000 | [diff] [blame] | 157 | |
| 158 | |
| 159 | ---------------- pthread_rwlock_* ---------------- |
| 160 | |
| 161 | ---------------------------------------------------------------- |
| 162 | |
| 163 | Thread #x unlocked a not-locked lock at 0x........ |
| 164 | at 0x........: pthread_rwlock_unlock_WRK (hg_intercepts.c:...) |
| 165 | by 0x........: pthread_rwlock_unlock (hg_intercepts.c:...) |
| 166 | ... |
Elliott Hughes | a0664b9 | 2017-04-18 17:46:52 -0700 | [diff] [blame^] | 167 | by 0x........: main (tc20_verifywrap.c:194) |
mjw | 0c66d2e | 2015-09-04 09:41:42 +0000 | [diff] [blame] | 168 | Lock at 0x........ was first observed |
| 169 | at 0x........: pthread_rwlock_init_WRK (hg_intercepts.c:...) |
| 170 | by 0x........: pthread_rwlock_init (hg_intercepts.c:...) |
Elliott Hughes | a0664b9 | 2017-04-18 17:46:52 -0700 | [diff] [blame^] | 171 | by 0x........: main (tc20_verifywrap.c:193) |
mjw | 0c66d2e | 2015-09-04 09:41:42 +0000 | [diff] [blame] | 172 | Location 0x........ is 0 bytes inside local var "rwl" |
Elliott Hughes | a0664b9 | 2017-04-18 17:46:52 -0700 | [diff] [blame^] | 173 | declared at tc20_verifywrap.c:57, in frame #x of thread x |
mjw | 0c66d2e | 2015-09-04 09:41:42 +0000 | [diff] [blame] | 174 | |
| 175 | |
| 176 | (1) no error on next line |
| 177 | (2) no error on next line |
| 178 | (3) ERROR on next line |
| 179 | ---------------------------------------------------------------- |
| 180 | |
| 181 | Thread #x unlocked a not-locked lock at 0x........ |
| 182 | at 0x........: pthread_rwlock_unlock_WRK (hg_intercepts.c:...) |
| 183 | by 0x........: pthread_rwlock_unlock (hg_intercepts.c:...) |
| 184 | ... |
Elliott Hughes | a0664b9 | 2017-04-18 17:46:52 -0700 | [diff] [blame^] | 185 | by 0x........: main (tc20_verifywrap.c:211) |
mjw | 0c66d2e | 2015-09-04 09:41:42 +0000 | [diff] [blame] | 186 | Lock at 0x........ was first observed |
| 187 | at 0x........: pthread_rwlock_init_WRK (hg_intercepts.c:...) |
| 188 | by 0x........: pthread_rwlock_init (hg_intercepts.c:...) |
Elliott Hughes | a0664b9 | 2017-04-18 17:46:52 -0700 | [diff] [blame^] | 189 | by 0x........: main (tc20_verifywrap.c:201) |
mjw | 0c66d2e | 2015-09-04 09:41:42 +0000 | [diff] [blame] | 190 | Location 0x........ is 0 bytes inside local var "rwl2" |
Elliott Hughes | a0664b9 | 2017-04-18 17:46:52 -0700 | [diff] [blame^] | 191 | declared at tc20_verifywrap.c:58, in frame #x of thread x |
mjw | 0c66d2e | 2015-09-04 09:41:42 +0000 | [diff] [blame] | 192 | |
| 193 | |
| 194 | (4) no error on next line |
| 195 | (5) no error on next line |
| 196 | (6) no error on next line |
| 197 | (7) no error on next line |
| 198 | (8) ERROR on next line |
| 199 | ---------------------------------------------------------------- |
| 200 | |
| 201 | Thread #x unlocked a not-locked lock at 0x........ |
| 202 | at 0x........: pthread_rwlock_unlock_WRK (hg_intercepts.c:...) |
| 203 | by 0x........: pthread_rwlock_unlock (hg_intercepts.c:...) |
| 204 | ... |
Elliott Hughes | a0664b9 | 2017-04-18 17:46:52 -0700 | [diff] [blame^] | 205 | by 0x........: main (tc20_verifywrap.c:232) |
mjw | 0c66d2e | 2015-09-04 09:41:42 +0000 | [diff] [blame] | 206 | Lock at 0x........ was first observed |
| 207 | at 0x........: pthread_rwlock_init_WRK (hg_intercepts.c:...) |
| 208 | by 0x........: pthread_rwlock_init (hg_intercepts.c:...) |
Elliott Hughes | a0664b9 | 2017-04-18 17:46:52 -0700 | [diff] [blame^] | 209 | by 0x........: main (tc20_verifywrap.c:201) |
mjw | 0c66d2e | 2015-09-04 09:41:42 +0000 | [diff] [blame] | 210 | Location 0x........ is 0 bytes inside local var "rwl2" |
Elliott Hughes | a0664b9 | 2017-04-18 17:46:52 -0700 | [diff] [blame^] | 211 | declared at tc20_verifywrap.c:58, in frame #x of thread x |
mjw | 0c66d2e | 2015-09-04 09:41:42 +0000 | [diff] [blame] | 212 | |
| 213 | |
| 214 | |
Elliott Hughes | a0664b9 | 2017-04-18 17:46:52 -0700 | [diff] [blame^] | 215 | ---------------- pthread_spin_* ---------------- |
| 216 | |
| 217 | |
mjw | 0c66d2e | 2015-09-04 09:41:42 +0000 | [diff] [blame] | 218 | ---------------- sem_* ---------------- |
| 219 | |
| 220 | ---------------------------------------------------------------- |
| 221 | |
| 222 | Thread #x's call to sem_init failed |
| 223 | with error code 22 (EINVAL: Invalid argument) |
| 224 | at 0x........: sem_init_WRK (hg_intercepts.c:...) |
| 225 | by 0x........: sem_init@* (hg_intercepts.c:...) |
Elliott Hughes | a0664b9 | 2017-04-18 17:46:52 -0700 | [diff] [blame^] | 226 | by 0x........: main (tc20_verifywrap.c:267) |
mjw | 0c66d2e | 2015-09-04 09:41:42 +0000 | [diff] [blame] | 227 | |
| 228 | |
| 229 | FIXME: can't figure out how to verify wrap of sem_destroy |
| 230 | |
| 231 | ---------------------------------------------------------------- |
| 232 | |
| 233 | Thread #x: Bug in libpthread: sem_wait succeeded on semaphore without prior sem_post |
| 234 | at 0x........: sem_wait_WRK (hg_intercepts.c:...) |
| 235 | by 0x........: sem_wait (hg_intercepts.c:...) |
Elliott Hughes | a0664b9 | 2017-04-18 17:46:52 -0700 | [diff] [blame^] | 236 | by 0x........: main (tc20_verifywrap.c:281) |
mjw | 0c66d2e | 2015-09-04 09:41:42 +0000 | [diff] [blame] | 237 | |
| 238 | |
| 239 | FIXME: can't figure out how to verify wrap of sem_post |
| 240 | |
| 241 | |
| 242 | ------------ dealloc of mem holding locks ------------ |
| 243 | |
| 244 | ---------------------------------------------------------------- |
| 245 | |
| 246 | Thread #x: Exiting thread still holds 1 lock |
| 247 | ... |
| 248 | |
| 249 | |
| 250 | ERROR SUMMARY: 22 errors from 22 contexts (suppressed: 0 from 0) |