ThreadSanitizer: data race lib/isc/netmgr/tcpdns.c:1091:12 in isc__nm_tcpdns_send
Job #2502181 failed for 4df5a54e9b61aa6fd8b9dad3adaa1d39340ae62b on the v9_16_sub branch, which is basically 9.16.28-S1.
WARNING: ThreadSanitizer: data race
Read of size 8 at 0x000000000001 by thread T1:
#0 isc__nm_tcpdns_send lib/isc/netmgr/tcpdns.c:1091:12
#1 isc_nm_send lib/isc/netmgr/netmgr.c:2438:3
#2 client_sendpkg lib/ns/client.c:355:2
#3 ns_client_send lib/ns/client.c:697:3
#4 query_send lib/ns/query.c:584:2
#5 ns_query_done lib/ns/query.c:11959:2
#6 query_respond lib/ns/query.c:8435:10
#7 query_prepresponse lib/ns/query.c:10969:10
#8 query_gotanswer lib/ns/query.c
#9 query_resume lib/ns/query.c:6886:10
#10 fetch_callback lib/ns/query.c:6442:12
#11 task_run lib/isc/task.c:851:5
#12 isc_task_run lib/isc/task.c:944:10
#13 process_netievent lib/isc/netmgr/netmgr.c
#14 process_queue lib/isc/netmgr/netmgr.c:1040:16
#15 process_all_queues lib/isc/netmgr/netmgr.c:814:25
#16 async_cb lib/isc/netmgr/netmgr.c:842:6
#17 uv__async_io /usr/src/libuv-v1.43.0/src/unix/async.c:163:5
#18 isc__trampoline_run lib/isc/trampoline.c:209:11
Previous write of size 8 at 0x000000000001 by thread T2:
#0 isc__nm_tcpdns_send lib/isc/netmgr/tcpdns.c:1092:23
#1 isc_nm_send lib/isc/netmgr/netmgr.c:2438:3
#2 client_sendpkg lib/ns/client.c:355:2
#3 ns_client_send lib/ns/client.c:697:3
#4 query_send lib/ns/query.c:584:2
#5 ns_query_done lib/ns/query.c:11959:2
#6 query_respond lib/ns/query.c:8435:10
#7 query_prepresponse lib/ns/query.c:10969:10
#8 query_gotanswer lib/ns/query.c
#9 query_resume lib/ns/query.c:6886:10
#10 fetch_callback lib/ns/query.c:6442:12
#11 task_run lib/isc/task.c:851:5
#12 isc_task_run lib/isc/task.c:944:10
#13 process_netievent lib/isc/netmgr/netmgr.c
#14 process_queue lib/isc/netmgr/netmgr.c:1040:16
#15 process_all_queues lib/isc/netmgr/netmgr.c:814:25
#16 async_cb lib/isc/netmgr/netmgr.c:842:6
#17 uv__async_io /usr/src/libuv-v1.43.0/src/unix/async.c:163:5
#18 isc__trampoline_run lib/isc/trampoline.c:209:11
Location is heap block of size 1361 at 0x000000000018 allocated by thread T3:
#0 malloc <null>
#1 default_memalloc lib/isc/mem.c:715:8
#2 mem_get lib/isc/mem.c:624:8
#3 mem_allocateunlocked lib/isc/mem.c:1289:8
#4 isc___mem_allocate lib/isc/mem.c:1309:7
#5 isc__mem_allocate lib/isc/mem.c:2399:10
#6 isc___mem_get lib/isc/mem.c:1059:11
#7 isc__mem_get lib/isc/mem.c:2378:10
#8 accept_connection lib/isc/netmgr/tcpdns.c:956:10
#9 tcpdns_connection_cb lib/isc/netmgr/tcpdns.c:624:11
#10 uv__server_io /usr/src/libuv-v1.43.0/src/unix/stream.c:570:5
#11 isc__trampoline_run lib/isc/trampoline.c:209:11
Thread T1 (running) created by main thread at:
#0 pthread_create <null>
#1 isc_thread_create lib/isc/pthreads/thread.c:81:8
#2 isc__netmgr_create lib/isc/netmgr/netmgr.c:370:3
#3 isc_managers_create lib/isc/managers.c:35:2
#4 create_managers bin/named/./main.c:931:11
#5 setup bin/named/./main.c:1256:11
#6 main bin/named/./main.c:1576:2
Thread T2 (running) created by main thread at:
#0 pthread_create <null>
#1 isc_thread_create lib/isc/pthreads/thread.c:81:8
#2 isc__netmgr_create lib/isc/netmgr/netmgr.c:370:3
#3 isc_managers_create lib/isc/managers.c:35:2
#4 create_managers bin/named/./main.c:931:11
#5 setup bin/named/./main.c:1256:11
#6 main bin/named/./main.c:1576:2
Thread T3 (running) created by main thread at:
#0 pthread_create <null>
#1 isc_thread_create lib/isc/pthreads/thread.c:81:8
#2 isc__netmgr_create lib/isc/netmgr/netmgr.c:370:3
#3 isc_managers_create lib/isc/managers.c:35:2
#4 create_managers bin/named/./main.c:931:11
#5 setup bin/named/./main.c:1256:11
#6 main bin/named/./main.c:1576:2
SUMMARY: ThreadSanitizer: data race lib/isc/netmgr/tcpdns.c:1091:12 in isc__nm_tcpdns_send