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Mark Andrews authored
WARNING: ThreadSanitizer: lock-order-inversion (potential deadlock) Cycle in lock order graph: M1 (0x000000000001) => M2 (0x000000000002) => M1 Mutex M2 acquired here while holding mutex M1 in thread T1: #0 pthread_rwlock_wrlock <null> #1 isc_rwlock_lock lib/isc/rwlock.c:52:4 #2 zone_postload lib/dns/zone.c:5101:2 #3 receive_secure_db lib/dns/zone.c:16206:11 #4 dispatch lib/isc/task.c:1152:7 #5 run lib/isc/task.c:1344:2 Mutex M1 previously acquired by the same thread here: #0 pthread_mutex_lock <null> #1 receive_secure_db lib/dns/zone.c:16204:2 #2 dispatch lib/isc/task.c:1152:7 #3 run lib/isc/task.c:1344:2 Mutex M1 acquired here while holding mutex M2 in thread T1: #0 pthread_mutex_lock <null> #1 get_raw_serial lib/dns/zone.c:2518:2 #2 zone_gotwritehandle lib/dns/zone.c:2559:4 #3 dispatch lib/isc/task.c:1152:7 #4 run lib/isc/task.c:1344:2 Mutex M2 previously acquired by the same thread here: #0 pthread_rwlock_rdlock <null> #1 isc_rwlock_lock lib/isc/rwlock.c:48:3 #2 zone_gotwritehandle lib/dns/zone.c:2552:2 #3 dispatch lib/isc/task.c:1152:7 #4 run lib/isc/task.c:1344:2 Thread T1 (running) created by main thread at: #0 pthread_create <null> #1 isc_thread_create lib/isc/pthreads/thread.c:73:8 #2 isc_taskmgr_create lib/isc/task.c:1434:3 #3 create_managers bin/named/main.c:915:11 #4 setup bin/named/main.c:1223:11 #5 main bin/named/main.c:1523:2 SUMMARY: ThreadSanitizer: lock-order-inversion (potential deadlock) in pthread_rwlock_wrlock
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