net, syscall: a race condition caused by syscall.SocketDisableIPv6 #7687
Description
Sigh, at this point using syscall.SocketDisableIPv6 is completely pointless.
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WARNING: DATA RACE
Write by goroutine 408:
net.TestDialGoogleIPv4()
/home/mikioh/go/src/pkg/net/dialgoogle_test.go:149 +0x8e8
testing.tRunner()
/home/mikioh/go/src/pkg/testing/testing.go:422 +0x10f
Previous read by goroutine 400:
syscall.Socket()
/home/mikioh/go/src/pkg/syscall/syscall_unix.go:274 +0x67
net.sysSocket()
/home/mikioh/go/src/pkg/net/sys_cloexec.go:19 +0x6b
net.socket()
/home/mikioh/go/src/pkg/net/sock_posix.go:40 +0x91
net.internetSocket()
/home/mikioh/go/src/pkg/net/ipsock_posix.go:137 +0x189
net.dialTCP()
/home/mikioh/go/src/pkg/net/tcpsock_posix.go:155 +0x117
net.dialSingle()
/home/mikioh/go/src/pkg/net/dial.go:238 +0x42e
net.func·020()
/home/mikioh/go/src/pkg/net/dial.go:200 +0x12e
Goroutine 408 (running) created at:
testing.RunTests()
/home/mikioh/go/src/pkg/testing/testing.go:503 +0xb32
testing.Main()
/home/mikioh/go/src/pkg/testing/testing.go:435 +0xba
main.main()
/var/folders/7d/d3y9vsls2yd880k121jmzcyr0000gn/T/go-build643325068/net/_test/_testmain.go:333 +0xdc
Goroutine 400 (finished) created at:
net.dialMulti()
/home/mikioh/go/src/pkg/net/dial.go:210 +0x326
net.func·019()
/home/mikioh/go/src/pkg/net/dial.go:168 +0x176
net.dial()
/home/mikioh/go/src/pkg/net/fd_unix.go:40 +0x82
net.(*Dialer).Dial()
/home/mikioh/go/src/pkg/net/dial.go:171 +0x594
net.TestDialDualStackLocalhost()
/home/mikioh/go/src/pkg/net/dial_test.go:546 +0x601
testing.tRunner()
/home/mikioh/go/src/pkg/testing/testing.go:422 +0x10f
==================