ThreadSanitizer: data race bin/named/server.c:9678:25 in view_loaded

WARNING: ThreadSanitizer: data race
  Write of size 4 at 0x000000000001 by thread T1:
    #0 view_loaded bin/named/server.c:9678:25
    #1 call_loaddone lib/dns/zt.c:308:3
    #2 doneloading lib/dns/zt.c:582:3
    #3 zone_asyncload lib/dns/zone.c:2322:3
    #4 dispatch lib/isc/task.c:1152:7
    #5 run lib/isc/task.c:1344:2

  Previous read of size 4 at 0x000000000001 by thread T2:
    #0 named_server_status bin/named/server.c:11903:14
    #1 named_control_docommand bin/named/control.c:272:12
    #2 control_command bin/named/controlconf.c:390:17
    #3 dispatch lib/isc/task.c:1152:7
    #4 run lib/isc/task.c:1344:2

  Location is heap block of size 409 at 0x000000000011 allocated by main thread:
    #0 malloc <null>
    #1 default_memalloc lib/isc/mem.c:713:8
    #2 mem_get lib/isc/mem.c:622:8
    #3 mem_allocateunlocked lib/isc/mem.c:1268:8
    #4 isc___mem_allocate lib/isc/mem.c:1288:7
    #5 isc__mem_allocate lib/isc/mem.c:2453:10
    #6 isc___mem_get lib/isc/mem.c:1037:11
    #7 isc__mem_get lib/isc/mem.c:2432:10
    #8 named_server_create bin/named/server.c:9978:27
    #9 setup bin/named/main.c:1256:2
    #10 main bin/named/main.c:1523:2

  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

  Thread T2 (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: data race bin/named/server.c:9678:25 in view_loaded