net: pure Go DNS resolver hangs with ipv6 link-local address on macOS

<!-- Please answer these questions before submitting your issue. Thanks! --> ### What version of Go are you using (`go version`)? <pre> $ go version go version go1.18 darwin/amd64 </pre> This is also reproduced against go1.17.8, so doesn't appear to be new to go1.18. ### Does this issue reproduce with the latest release? Yes. ### What operating system and processor architecture are you using (`go env`)? macOS 12.3, Intel (amd64) <details><summary><code>go env</code> Output</summary><br><pre> $ go env GO111MODULE="" GOARCH="amd64" GOBIN="" GOCACHE="/Users/xxx/Library/Caches/go-build" GOENV="/Users/xxx/Library/Application Support/go/env" GOEXE="" GOEXPERIMENT="" GOFLAGS="" GOHOSTARCH="amd64" GOHOSTOS="darwin" GOINSECURE="" GOMODCACHE="/Users/xxx/go/pkg/mod" GOOS="darwin" GOPATH="/Users/xxx/go" GOPROXY="https://proxy.golang.org/,direct" GOROOT="/usr/local/Cellar/go/1.18/libexec" GOSUMDB="sum.golang.org" GOTMPDIR="" GOTOOLDIR="/usr/local/Cellar/go/1.18/libexec/pkg/tool/darwin_amd64" GOVCS="" GOVERSION="go1.18" GCCGO="gccgo" GOAMD64="v1" AR="ar" CC="clang" CXX="clang++" CGO_ENABLED="1" GOMOD="/dev/null" GOWORK="" CGO_CFLAGS="-g -O2" CGO_CPPFLAGS="" CGO_CXXFLAGS="-g -O2" CGO_FFLAGS="-g -O2" CGO_LDFLAGS="-g -O2" PKG_CONFIG="pkg-config" GOGCCFLAGS="-fPIC -arch x86_64 -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/var/folders/pb/fk1_tmbn1nq32bgpd6njflcw0000gn/T/go-build3259567292=/tmp/go-build -gno-record-gcc-switches -fno-common

Posted by mattrobenolt on May 10, 2022, 10:47 PM

Tags

• support (Network)

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