ThreadSanitizer: data race (bin/named/.libs/named+0x449fe2) in ns__client_setup lib/ns/client.c:2278:13
There are more variants where the second thread runs:
fetch_callback()
WARNING: ThreadSanitizer: data race
Write of size 8 at 0x000000000001 by thread T1:
#0 memset <null>
#1 ns__client_setup lib/ns/client.c:2278:13
#2 ns__client_request lib/ns/client.c:1643:12
#3 processbuffer lib/isc/netmgr/tcpdns.c:177:3
#4 dnslisten_readcb lib/isc/netmgr/tcpdns.c:231:12
#5 read_cb lib/isc/netmgr/tcp.c:768:4
#6 <null> <null>
Previous read of size 8 at 0x000000000001 by thread T2:
#0 fetch_callback lib/ns/query.c:5680:29
#1 dispatch lib/isc/task.c:1143:7
#2 run lib/isc/task.c:1328:2
Location is heap block of size 7489 at 0x000000000012 allocated by thread T1:
#0 malloc <null>
#1 default_memalloc lib/isc/mem.c:685:8
#2 mem_get lib/isc/mem.c:598:8
#3 mem_allocateunlocked lib/isc/mem.c:1222:8
#4 isc___mem_allocate lib/isc/mem.c:1242:7
#5 isc__mem_allocate lib/isc/mem.c:2387:10
#6 isc___mem_get lib/isc/mem.c:1007:11
#7 isc__mem_get lib/isc/mem.c:2365:10
#8 alloc_handle lib/isc/netmgr/netmgr.c:918:3
#9 isc__nmhandle_get lib/isc/netmgr/netmgr.c:942:12
#10 processbuffer lib/isc/netmgr/tcpdns.c:176:15
#11 dnslisten_readcb lib/isc/netmgr/tcpdns.c:231:12
#12 read_cb lib/isc/netmgr/tcp.c:768:4
#13 <null> <null>
Thread T1 (running) created by main thread at:
#0 pthread_create <null>
#1 isc_thread_create lib/isc/pthreads/thread.c:75:8
#2 isc_nm_start lib/isc/netmgr/netmgr.c:149:3
#3 create_managers bin/named/./main.c:895:15
#4 setup bin/named/./main.c:1235:11
#5 main bin/named/./main.c:1515:2
Thread T2 (running) created by main thread at:
#0 pthread_create <null>
#1 isc_thread_create lib/isc/pthreads/thread.c:75:8
#2 isc_taskmgr_create lib/isc/task.c:1419:3
#3 create_managers bin/named/./main.c:902:11
#4 setup bin/named/./main.c:1235:11
#5 main bin/named/./main.c:1515:2
SUMMARY: ThreadSanitizer: data race in memsetWARNING: ThreadSanitizer: data race
Write of size 8 at 0x000000000001 by thread T1:
#0 memset <null>
#1 ns__client_setup lib/ns/client.c:2278:13
#2 ns__client_request lib/ns/client.c:1643:12
#3 udp_recv_cb lib/isc/netmgr/udp.c:317:2
#4 <null> <null>
Previous read of size 8 at 0x000000000001 by thread T2:
#0 fetch_callback lib/ns/query.c:5680:29
#1 dispatch lib/isc/task.c:1143:7
#2 run lib/isc/task.c:1328:2
Location is heap block of size 7489 at 0x000000000010 allocated by thread T1:
#0 malloc <null>
#1 default_memalloc lib/isc/mem.c:685:8
#2 mem_get lib/isc/mem.c:598:8
#3 mem_allocateunlocked lib/isc/mem.c:1222:8
#4 isc___mem_allocate lib/isc/mem.c:1242:7
#5 isc__mem_allocate lib/isc/mem.c:2387:10
#6 isc___mem_get lib/isc/mem.c:1007:11
#7 isc__mem_get lib/isc/mem.c:2365:10
#8 alloc_handle lib/isc/netmgr/netmgr.c:918:3
#9 isc__nmhandle_get lib/isc/netmgr/netmgr.c:942:12
#10 udp_recv_cb lib/isc/netmgr/udp.c:312:13
#11 <null> <null>
Thread T1 (running) created by main thread at:
#0 pthread_create <null>
#1 isc_thread_create lib/isc/pthreads/thread.c:75:8
#2 isc_nm_start lib/isc/netmgr/netmgr.c:149:3
#3 create_managers bin/named/./main.c:895:15
#4 setup bin/named/./main.c:1235:11
#5 main bin/named/./main.c:1515:2
Thread T2 (running) created by main thread at:
#0 pthread_create <null>
#1 isc_thread_create lib/isc/pthreads/thread.c:75:8
#2 isc_taskmgr_create lib/isc/task.c:1419:3
#3 create_managers bin/named/./main.c:902:11
#4 setup bin/named/./main.c:1235:11
#5 main bin/named/./main.c:1515:2
SUMMARY: ThreadSanitizer: data race in memsetisc_sockaddr_pf()
WARNING: ThreadSanitizer: data race
Write of size 8 at 0x000000000001 by thread T1:
#0 memset <null>
#1 ns__client_setup lib/ns/client.c:2278:13
#2 ns__client_request lib/ns/client.c:1643:12
#3 udp_recv_cb lib/isc/netmgr/udp.c:317:2
#4 <null> <null>
Previous read of size 2 at 0x000000000001 by thread T2:
#0 isc_sockaddr_pf lib/isc/sockaddr.c:326:28
#1 ns_client_send lib/ns/client.c:633:11
#2 respond lib/ns/update.c:1559:2
#3 updatedone_action lib/ns/update.c:3391:2
#4 dispatch lib/isc/task.c:1143:7
#5 run lib/isc/task.c:1328:2
Location is heap block of size 7473 at 0x000000000013 allocated by thread T1:
#0 malloc <null>
#1 default_memalloc lib/isc/mem.c:685:8
#2 mem_get lib/isc/mem.c:598:8
#3 isc___mem_get lib/isc/mem.c:1013:9
#4 isc__mem_get lib/isc/mem.c:2365:10
#5 alloc_handle lib/isc/netmgr/netmgr.c:918:3
#6 isc__nmhandle_get lib/isc/netmgr/netmgr.c:942:12
#7 udp_recv_cb lib/isc/netmgr/udp.c:312:13
#8 <null> <null>
Thread T1 (running) created by main thread at:
#0 pthread_create <null>
#1 isc_thread_create lib/isc/pthreads/thread.c:75:8
#2 isc_nm_start lib/isc/netmgr/netmgr.c:149:3
#3 create_managers bin/named/./main.c:895:15
#4 setup bin/named/./main.c:1235:11
#5 main bin/named/./main.c:1515:2
Thread T2 (running) created by main thread at:
#0 pthread_create <null>
#1 isc_thread_create lib/isc/pthreads/thread.c:75:8
#2 isc_taskmgr_create lib/isc/task.c:1419:3
#3 create_managers bin/named/./main.c:902:11
#4 setup bin/named/./main.c:1235:11
#5 main bin/named/./main.c:1515:2
SUMMARY: ThreadSanitizer: data race in memsetupdatedone_action()
WARNING: ThreadSanitizer: data race
Write of size 8 at 0x000000000001 by thread T1:
#0 memset <null>
#1 ns__client_setup lib/ns/client.c:2278:13
#2 ns__client_request lib/ns/client.c:1643:12
#3 udp_recv_cb lib/isc/netmgr/udp.c:317:2
#4 <null> <null>
Previous read of size 8 at 0x000000000001 by thread T2:
#0 updatedone_action lib/ns/update.c:3393:29
#1 dispatch lib/isc/task.c:1143:7
#2 run lib/isc/task.c:1328:2
Location is heap block of size 7473 at 0x000000000010 allocated by thread T1:
#0 malloc <null>
#1 default_memalloc lib/isc/mem.c:685:8
#2 mem_get lib/isc/mem.c:598:8
#3 isc___mem_get lib/isc/mem.c:1013:9
#4 isc__mem_get lib/isc/mem.c:2365:10
#5 alloc_handle lib/isc/netmgr/netmgr.c:918:3
#6 isc__nmhandle_get lib/isc/netmgr/netmgr.c:942:12
#7 udp_recv_cb lib/isc/netmgr/udp.c:312:13
#8 <null> <null>
Thread T1 (running) created by main thread at:
#0 pthread_create <null>
#1 isc_thread_create lib/isc/pthreads/thread.c:75:8
#2 isc_nm_start lib/isc/netmgr/netmgr.c:149:3
#3 create_managers bin/named/./main.c:895:15
#4 setup bin/named/./main.c:1235:11
#5 main bin/named/./main.c:1515:2
Thread T2 (running) created by main thread at:
#0 pthread_create <null>
#1 isc_thread_create lib/isc/pthreads/thread.c:75:8
#2 isc_taskmgr_create lib/isc/task.c:1419:3
#3 create_managers bin/named/./main.c:902:11
#4 setup bin/named/./main.c:1235:11
#5 main bin/named/./main.c:1515:2
SUMMARY: ThreadSanitizer: data race in memsetWARNING: ThreadSanitizer: data race
Write of size 8 at 0x000000000001 by thread T1:
#0 memset <null>
#1 ns__client_setup lib/ns/client.c:2278:13
#2 ns__client_request lib/ns/client.c:1643:12
#3 udp_recv_cb lib/isc/netmgr/udp.c:317:2
#4 <null> <null>
Previous read of size 8 at 0x000000000001 by thread T2:
#0 updatedone_action lib/ns/update.c:3393:29
#1 dispatch lib/isc/task.c:1143:7
#2 run lib/isc/task.c:1328:2
Location is heap block of size 7489 at 0x000000000010 allocated by thread T1:
#0 malloc <null>
#1 default_memalloc lib/isc/mem.c:685:8
#2 mem_get lib/isc/mem.c:598:8
#3 mem_allocateunlocked lib/isc/mem.c:1222:8
#4 isc___mem_allocate lib/isc/mem.c:1242:7
#5 isc__mem_allocate lib/isc/mem.c:2387:10
#6 isc___mem_get lib/isc/mem.c:1007:11
#7 isc__mem_get lib/isc/mem.c:2365:10
#8 alloc_handle lib/isc/netmgr/netmgr.c:918:3
#9 isc__nmhandle_get lib/isc/netmgr/netmgr.c:942:12
#10 udp_recv_cb lib/isc/netmgr/udp.c:312:13
#11 <null> <null>
Thread T1 (running) created by main thread at:
#0 pthread_create <null>
#1 isc_thread_create lib/isc/pthreads/thread.c:75:8
#2 isc_nm_start lib/isc/netmgr/netmgr.c:149:3
#3 create_managers bin/named/./main.c:895:15
#4 setup bin/named/./main.c:1235:11
#5 main bin/named/./main.c:1515:2
Thread T2 (running) created by main thread at:
#0 pthread_create <null>
#1 isc_thread_create lib/isc/pthreads/thread.c:75:8
#2 isc_taskmgr_create lib/isc/task.c:1419:3
#3 create_managers bin/named/./main.c:902:11
#4 setup bin/named/./main.c:1235:11
#5 main bin/named/./main.c:1515:2
SUMMARY: ThreadSanitizer: data race in memset