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Mark Andrews authored
WARNING: ThreadSanitizer: lock-order-inversion (potential deadlock) Cycle in lock order graph: M1 (0x000000000000) => M2 (0x000000000000) => M1 Mutex M2 acquired here while holding mutex M1 in thread T1: #0 pthread_mutex_lock <null> #1 dns_view_findzonecut lib/dns/view.c:1310:2 #2 fctx_create lib/dns/resolver.c:5070:13 #3 dns_resolver_createfetch lib/dns/resolver.c:10813:12 #4 dns_resolver_prime lib/dns/resolver.c:10442:12 #5 dns_view_find lib/dns/view.c:1176:4 #6 dbfind_name lib/dns/adb.c:3833:11 #7 dns_adb_createfind lib/dns/adb.c:3155:12 #8 findname lib/dns/resolver.c:3497:11 #9 fctx_getaddresses lib/dns/resolver.c:3808:3 #10 fctx_try lib/dns/resolver.c:4197:12 #11 fctx_start lib/dns/resolver.c:4824:4 #12 dispatch lib/isc/task.c:1152:7 #13 run lib/isc/task.c:1344:2 Mutex M1 previously acquired by the same thread here: #0 pthread_mutex_lock <null> #1 dns_resolver_createfetch lib/dns/resolver.c:10767:2 #2 dns_resolver_prime lib/dns/resolver.c:10442:12 #3 dns_view_find lib/dns/view.c:1176:4 #4 dbfind_name lib/dns/adb.c:3833:11 #5 dns_adb_createfind lib/dns/adb.c:3155:12 #6 findname lib/dns/resolver.c:3497:11 #7 fctx_getaddresses lib/dns/resolver.c:3808:3 #8 fctx_try lib/dns/resolver.c:4197:12 #9 fctx_start lib/dns/resolver.c:4824:4 #10 dispatch lib/isc/task.c:1152:7 #11 run lib/isc/task.c:1344:2 Mutex M1 acquired here while holding mutex M2 in thread T1: #0 pthread_mutex_lock <null> #1 dns_resolver_shutdown lib/dns/resolver.c:10530:4 #2 view_flushanddetach lib/dns/view.c:632:4 #3 dns_view_detach lib/dns/view.c:689:2 #4 qctx_destroy lib/ns/query.c:5152:2 #5 fetch_callback lib/ns/query.c:5749:3 #6 dispatch lib/isc/task.c:1152:7 #7 run lib/isc/task.c:1344:2 Mutex M2 previously acquired by the same thread here: #0 pthread_mutex_lock <null> #1 view_flushanddetach lib/dns/view.c:630:3 #2 dns_view_detach lib/dns/view.c:689:2 #3 qctx_destroy lib/ns/query.c:5152:2 #4 fetch_callback lib/ns/query.c:5749:3 #5 dispatch lib/isc/task.c:1152:7 #6 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_mutex_lock (cherry picked from commit a669c919)
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