mirror of
https://github.com/ioacademy-jikim/debugging
synced 2026-08-30 09:19:28 +00:00
first commit
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@@ -0,0 +1,240 @@
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------ This is output for >= glibc 2.4 ------
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---------------- pthread_create/join ----------------
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---Thread-Announcement------------------------------------------
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Thread #x is the program's root thread
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---Thread-Announcement------------------------------------------
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Thread #x was created
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...
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by 0x........: pthread_create_WRK (hg_intercepts.c:...)
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by 0x........: pthread_create@* (hg_intercepts.c:...)
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by 0x........: main (tc20_verifywrap.c:81)
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----------------------------------------------------------------
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Possible data race during write of size 2 at 0x........ by thread #x
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Locks held: none
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at 0x........: main (tc20_verifywrap.c:83)
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This conflicts with a previous write of size 2 by thread #x
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Locks held: none
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at 0x........: racy_child (tc20_verifywrap.c:39)
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by 0x........: mythread_wrapper (hg_intercepts.c:...)
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...
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Location 0x........ is 0 bytes inside global var "unprotected"
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declared at tc20_verifywrap.c:32
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----------------------------------------------------------------
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Thread #x's call to pthread_join failed
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with error code 45 (EDEADLK: Resource deadlock would occur)
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at 0x........: pthread_join_WRK (hg_intercepts.c:...)
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by 0x........: pthread_join (hg_intercepts.c:...)
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by 0x........: main (tc20_verifywrap.c:88)
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---------------- pthread_mutex_lock et al ----------------
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----------------------------------------------------------------
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Thread #x's call to pthread_mutex_init failed
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with error code 122 (EOPNOTSUPP: Operation not supported on transport endpoint)
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at 0x........: pthread_mutex_init (hg_intercepts.c:...)
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by 0x........: main (tc20_verifywrap.c:102)
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----------------------------------------------------------------
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Thread #x: pthread_mutex_destroy of a locked mutex
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at 0x........: mutex_destroy_WRK (hg_intercepts.c:...)
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by 0x........: pthread_mutex_destroy (hg_intercepts.c:...)
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by 0x........: main (tc20_verifywrap.c:112)
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----------------------------------------------------------------
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Thread #x's call to pthread_mutex_destroy failed
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with error code 16 (EBUSY: Device or resource busy)
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at 0x........: mutex_destroy_WRK (hg_intercepts.c:...)
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by 0x........: pthread_mutex_destroy (hg_intercepts.c:...)
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by 0x........: main (tc20_verifywrap.c:112)
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----------------------------------------------------------------
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Thread #x's call to pthread_mutex_lock failed
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with error code 22 (EINVAL: Invalid argument)
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at 0x........: mutex_lock_WRK (hg_intercepts.c:...)
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by 0x........: pthread_mutex_lock (hg_intercepts.c:...)
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by 0x........: main (tc20_verifywrap.c:118)
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----------------------------------------------------------------
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Thread #x's call to pthread_mutex_trylock failed
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with error code 22 (EINVAL: Invalid argument)
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at 0x........: mutex_trylock_WRK (hg_intercepts.c:...)
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by 0x........: pthread_mutex_trylock (hg_intercepts.c:...)
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by 0x........: main (tc20_verifywrap.c:126)
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----------------------------------------------------------------
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Thread #x's call to pthread_mutex_timedlock failed
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with error code 22 (EINVAL: Invalid argument)
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at 0x........: mutex_timedlock_WRK (hg_intercepts.c:...)
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by 0x........: pthread_mutex_timedlock (hg_intercepts.c:...)
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by 0x........: main (tc20_verifywrap.c:131)
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----------------------------------------------------------------
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Thread #x unlocked an invalid lock at 0x........
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at 0x........: mutex_unlock_WRK (hg_intercepts.c:...)
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by 0x........: pthread_mutex_unlock (hg_intercepts.c:...)
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by 0x........: main (tc20_verifywrap.c:135)
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----------------------------------------------------------------
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Thread #x's call to pthread_mutex_unlock failed
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with error code 22 (EINVAL: Invalid argument)
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at 0x........: mutex_unlock_WRK (hg_intercepts.c:...)
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by 0x........: pthread_mutex_unlock (hg_intercepts.c:...)
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by 0x........: main (tc20_verifywrap.c:135)
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---------------- pthread_cond_wait et al ----------------
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----------------------------------------------------------------
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Thread #x: pthread_cond_{timed}wait called with un-held mutex
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at 0x........: pthread_cond_wait_WRK (hg_intercepts.c:...)
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by 0x........: pthread_cond_wait@* (hg_intercepts.c:...)
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by 0x........: main (tc20_verifywrap.c:157)
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----------------------------------------------------------------
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Thread #x's call to pthread_cond_wait failed
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with error code 1 (EPERM: Operation not permitted)
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at 0x........: pthread_cond_wait_WRK (hg_intercepts.c:...)
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by 0x........: pthread_cond_wait@* (hg_intercepts.c:...)
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by 0x........: main (tc20_verifywrap.c:157)
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----------------------------------------------------------------
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Thread #x: pthread_cond_{signal,broadcast}: dubious: associated lock is not held by any thread
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at 0x........: pthread_cond_signal_WRK (hg_intercepts.c:...)
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by 0x........: pthread_cond_signal@* (hg_intercepts.c:...)
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by 0x........: main (tc20_verifywrap.c:162)
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FIXME: can't figure out how to verify wrap of pthread_cond_signal
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----------------------------------------------------------------
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Thread #x: pthread_cond_{signal,broadcast}: dubious: associated lock is not held by any thread
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at 0x........: pthread_cond_broadcast_WRK (hg_intercepts.c:...)
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by 0x........: pthread_cond_broadcast@* (hg_intercepts.c:...)
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by 0x........: main (tc20_verifywrap.c:168)
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FIXME: can't figure out how to verify wrap of pthread_broadcast_signal
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----------------------------------------------------------------
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Thread #x: pthread_cond_{timed}wait called with un-held mutex
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at 0x........: pthread_cond_timedwait_WRK (hg_intercepts.c:...)
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by 0x........: pthread_cond_timedwait@* (hg_intercepts.c:...)
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by 0x........: main (tc20_verifywrap.c:175)
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----------------------------------------------------------------
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Thread #x's call to pthread_cond_timedwait failed
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with error code 22 (EINVAL: Invalid argument)
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at 0x........: pthread_cond_timedwait_WRK (hg_intercepts.c:...)
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by 0x........: pthread_cond_timedwait@* (hg_intercepts.c:...)
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by 0x........: main (tc20_verifywrap.c:175)
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---------------- pthread_rwlock_* ----------------
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----------------------------------------------------------------
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Thread #x unlocked a not-locked lock at 0x........
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at 0x........: pthread_rwlock_unlock_WRK (hg_intercepts.c:...)
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by 0x........: pthread_rwlock_unlock (hg_intercepts.c:...)
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...
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by 0x........: main (tc20_verifywrap.c:189)
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Lock at 0x........ was first observed
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at 0x........: pthread_rwlock_init_WRK (hg_intercepts.c:...)
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by 0x........: pthread_rwlock_init (hg_intercepts.c:...)
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by 0x........: main (tc20_verifywrap.c:188)
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(1) no error on next line
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(2) no error on next line
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(3) ERROR on next line
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----------------------------------------------------------------
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Thread #x unlocked a not-locked lock at 0x........
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at 0x........: pthread_rwlock_unlock_WRK (hg_intercepts.c:...)
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by 0x........: pthread_rwlock_unlock (hg_intercepts.c:...)
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...
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by 0x........: main (tc20_verifywrap.c:206)
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Lock at 0x........ was first observed
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at 0x........: pthread_rwlock_init_WRK (hg_intercepts.c:...)
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by 0x........: pthread_rwlock_init (hg_intercepts.c:...)
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by 0x........: main (tc20_verifywrap.c:196)
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(4) no error on next line
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(5) no error on next line
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(6) no error on next line
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(7) no error on next line
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(8) ERROR on next line
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----------------------------------------------------------------
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Thread #x unlocked a not-locked lock at 0x........
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at 0x........: pthread_rwlock_unlock_WRK (hg_intercepts.c:...)
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by 0x........: pthread_rwlock_unlock (hg_intercepts.c:...)
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...
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by 0x........: main (tc20_verifywrap.c:227)
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Lock at 0x........ was first observed
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at 0x........: pthread_rwlock_init_WRK (hg_intercepts.c:...)
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by 0x........: pthread_rwlock_init (hg_intercepts.c:...)
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by 0x........: main (tc20_verifywrap.c:196)
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---------------- sem_* ----------------
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----------------------------------------------------------------
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Thread #x's call to sem_init failed
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with error code 22 (EINVAL: Invalid argument)
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at 0x........: sem_init_WRK (hg_intercepts.c:...)
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by 0x........: sem_init@* (hg_intercepts.c:...)
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by 0x........: main (tc20_verifywrap.c:243)
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FIXME: can't figure out how to verify wrap of sem_destroy
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----------------------------------------------------------------
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Thread #x: Bug in libpthread: sem_wait succeeded on semaphore without prior sem_post
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at 0x........: sem_wait_WRK (hg_intercepts.c:...)
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by 0x........: sem_wait (hg_intercepts.c:...)
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by 0x........: main (tc20_verifywrap.c:257)
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FIXME: can't figure out how to verify wrap of sem_post
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------------ dealloc of mem holding locks ------------
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----------------------------------------------------------------
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Thread #x: Exiting thread still holds 1 lock
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...
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ERROR SUMMARY: 22 errors from 22 contexts (suppressed: 0 from 0)
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