make resolver->zspill atomic to prevent potential deadlock

70 jobs for !2760 with 1486-threadsanitizer-lock-order-inversion-potential-deadlock-dns_resolver_createfetch-vs in 30 minutes and 5 seconds (queued for 7 minutes and 20 seconds)
detached
Status Job ID Name Coverage
  Precheck
passed #474444
amd64 linux
🐞:sid:amd64

00:03:56

passed #474442
amd64 linux
autoreconf:sid:amd64

00:00:21

passed #474443
amd64 linux
misc:sid:amd64

00:00:21

 
  Build
passed #474457
amd64 linux
asan:sid:amd64

00:01:23

passed #474464
amd64 freebsd
clang:freebsd11.3:amd64

00:01:47

passed #474465
amd64 freebsd
clang:freebsd12.0:amd64

00:01:38

passed #474466
amd64 openbsd
clang:openbsd6.5:amd64

00:25:00

passed #474461
amd64 linux
clang:stretch:amd64

00:01:41

passed #474462
i386 linux
clang:stretch:i386

00:01:17

passed #474445
amd64 linux
gcc:alpine3.10:amd64

00:02:03

passed #474456
amd64 linux
gcc:bionic:amd64

00:01:30

passed #474451
amd64 linux
gcc:buster:amd64

00:01:31

passed #474446
amd64 linux
gcc:centos6:amd64

00:02:03

passed #474447
amd64 linux
gcc:centos7:amd64

00:01:48

passed #474448
amd64 linux
gcc:centos8:amd64

00:02:33

passed #474454
amd64 linux
gcc:fedora31:amd64

00:02:17

passed #474449
amd64 linux
gcc:jessie:amd64

00:01:32

passed #474452
amd64 linux
gcc:sid:amd64

00:03:23

passed #474453
i386 linux
gcc:sid:i386

00:01:30

passed #474450
amd64 linux
gcc:stretch:amd64

00:01:52

passed #474455
amd64 linux
gcc:xenial:amd64

00:00:57

passed #474468
amd64 windows
msvc:windows:amd64

00:01:55

passed #474460
amd64 linux
mutexatomics:sid:amd64

00:02:01

passed #474467
amd64 linux
nolibtool:sid:amd64

00:02:25

passed #474463
amd64 linux
pkcs11:sid:amd64

00:01:47

passed #474459
amd64 linux
rwlock:sid:amd64

00:01:41

passed #474458
amd64 linux
tsan:buster:amd64

00:03:19

 
  Unit
passed #474481
amd64 linux
unit:asan:sid:amd64

00:04:59

passed #474486
amd64 freebsd
unit:clang:freebsd11.3:amd64

00:00:43

passed #474487
amd64 freebsd
unit:clang:freebsd12.0:amd64

00:01:22

passed #474484
amd64 linux
unit:clang:stretch:amd64

00:00:38

passed #474469
amd64 linux
unit:gcc:alpine3.10:amd64

00:02:35

passed #474480
amd64 linux
unit:gcc:bionic:amd64

00:00:53

passed #474475
amd64 linux
unit:gcc:buster:amd64

00:01:29

passed #474470
amd64 linux
unit:gcc:centos6:amd64

00:00:42

passed #474471
amd64 linux
unit:gcc:centos7:amd64

00:00:55

passed #474472
amd64 linux
unit:gcc:centos8:amd64

00:00:53

passed #474478
amd64 linux
unit:gcc:fedora31:amd64

00:01:26

passed #474473
amd64 linux
unit:gcc:jessie:amd64

00:00:32

passed #474476
amd64 linux
unit:gcc:sid:amd64

00:01:34

passed #474477
i386 linux
unit:gcc:sid:i386

00:01:44

passed #474474
amd64 linux
unit:gcc:stretch:amd64

00:00:37

passed #474479
amd64 linux
unit:gcc:xenial:amd64

00:00:54

passed #474488
amd64 linux
unit:nolibtool:sid:amd64

00:01:55

passed #474485
amd64 linux
unit:pkcs11:sid:amd64

00:01:08

passed #474483
amd64 linux
unit:rwlock:sid:amd64

00:01:25

passed #474482
amd64 linux
unit:tsan:buster:amd64

00:04:44

 
  System
passed #474501
amd64 linux
system:asan:sid:amd64

00:09:52

passed #474505
amd64 freebsd
system:clang:freebsd11.3:amd64

00:09:37

passed #474506
amd64 freebsd
system:clang:freebsd12.0:amd64

00:09:41

passed #474489
amd64 linux
system:gcc:alpine3.10:amd64

00:09:15

passed #474500
amd64 linux
system:gcc:bionic:amd64

00:07:57

passed #474495
amd64 linux
system:gcc:buster:amd64

00:08:46

passed #474490
amd64 linux
system:gcc:centos6:amd64

00:08:43

passed #474491
amd64 linux
system:gcc:centos7:amd64

00:10:26

passed #474492
amd64 linux
system:gcc:centos8:amd64

00:09:02

passed #474498
amd64 linux
system:gcc:fedora31:amd64

00:08:58

passed #474493
amd64 linux
system:gcc:jessie:amd64

00:08:34

passed #474496
amd64 linux
system:gcc:sid:amd64

00:08:29

passed #474536
linux i386
system:gcc:sid:i386

00:07:32

passed #474494
amd64 linux
system:gcc:stretch:amd64

00:07:49

passed #474499
amd64 linux
system:gcc:xenial:amd64

00:08:05

passed #474507
amd64 linux
system:nolibtool:sid:amd64

00:08:48

passed #474504
amd64 linux
system:pkcs11:sid:amd64

00:08:54

passed #474503
amd64 linux
system:rwlock:sid:amd64

00:08:39

failed #474502
amd64 linux allowed to fail
system:tsan:buster:amd64

00:12:56

failed #474497
i386 linux
system:gcc:sid:i386

00:09:26

 
  Docs
passed #474508
amd64 linux
docs:sid:amd64

00:01:24

 
  Postcheck
passed #474510
amd64 linux
cppcheck:gcc:sid:amd64

00:01:36

passed #474509
amd64 linux
scan-build:buster:amd64

00:10:35

 
Name Stage Failure
failed
system:tsan:buster:amd64 System
No job log